航空缩略语词典

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COMSAT Communications Satellite Corporation ) z0 Q$ E5 G0 c9 B& eCOMSEC Communications Security. Concept Exploration & ( s5 ~$ H$ \) n2 q. fDefinition j7 }1 ^* Z2 g4 L. cThe initial phase (Phase 0) of the system acquisition process, beginning at ' u, c. V& I9 ~: W. |Mission Need Determination. During this phase, the acquisition strategy is ; g# O1 O4 J) b$ ^8 q V+ v! ndeveloped, system alternatives are proposed and examined, and the system program requirements document is expanded to support subsequent phases. Concept of $ N# k) c* H) BOperations o! Z: e3 ~4 c(CONOPS) (1) A statement, in broad outline, of a commander’s outline or intent in regard to an operation or series of operations. The concept is designed to give an overall : S n8 {. u5 k% H x; G4 u' T+ _picture of the operation. (MDA Lexicon) 2 B# F, X' c- P; O0 c% N- f2 e(2) A verbal or graphic statement, in broad outline, of a commander’s assumptions or intent in regard to an operation or series of operations. The concept of operations frequently is embodied in campaign plans and operation plans; in the later case, particularly when the plans cover a series of connected # [* p9 ~# X1 w) H9 n8 Q3 ioperations to be carried out simultaneously or in succession. The concept is 7 p( }2 I9 [& |2 f& q0 |designed to give an overall picture of the operation. It is included primarily for Q. i/ Z, h/ e7 Gadditional clarity of purpose. Concept Plan An operation plan in concept format. Also called CONPLAN. Concurrency Part of an acquisition strategy which combines or overlaps two or more phases of . A& U/ A/ b- y. ]2 l* Ethe acquisition process, or combines development T&E with operational T&E. % e* }7 Z& u0 ]/ g) }+ u. ^- V: MConcurrent 9 i, T `- a( w4 n5 ~! V2 pEngineering ( b# R% J( N' [! BA systematic approach to the integrated, simultaneous design of products and , G# O/ l# r. Mtheir related processes, including manufacture and support. This approach is . {, _. o; y4 f0 U2 p. @intended to cause developers, from the beginning, to consider all elements of the system life cycle from requirements development through dispersal, including cost, schedule, and performance. CONEX CONOPS Exerciser. 9 h" ^8 H- \& c7 {4 ]Configuration A collection of an item’s descriptive and governing characteristics, which can be expressed in functional terms (i.e., what performance the item is expected to achieve); and in physical terms (i.e., what the item should look like and consist of ! s' F7 z) X" O/ j: c! gwhen it is built). 7 v0 V& H6 C. j9 A8 ?! a( f+ I/ QMDA GLOSSARY, VER. 4.0 C # Z* |) L3 \% }2 Y& P4 L, G59 3 _5 p9 ~: q/ W9 UConfiguration 9 G: w8 U0 y# ^$ C7 ^Audit One of the Configuration Management tasks which includes a functional ( m$ B# Q v$ [' q; Uconfiguration audit (FCA) to validate that the development of a configuration item 9 W7 y, j7 `* A4 V5 thas been completed satisfactorily and that the configuration item has achieved to specified performance and functional characteristics, and also includes a $ Z1 n8 B1 [- E) t9 J5 _; f! ?physical configuration audit (PCA) to verify that the configuration item “As Built” 7 z2 D! P! x+ H( yconforms to the technical documentation which defines the configuration item. Configuration Baseline ' L S' @8 k# u* {* a+ l8 AThe configuration documentation formally designated by the Government at a specific time during a system’s or configuration item’s life cycle. Configuration baselines, plus approved changes from those baselines, constitute the current configuration baselines, namely the functional, allocated, and product baselines. Configuration $ x7 g% {( g3 R) E/ JControl One of the Configuration Management tasks that involves the systematic 4 `8 n/ G2 T4 Qevaluation, coordination, approval, or disapproval of proposed changes to the ! E; u! W6 B+ H, R# f# Kdesign and construction of a configuration item whose configuration has been formally approved. Configuration 4 O" E2 b$ k, H' D, p$ {5 [1 \Identification 8 f# [6 b' Y# a) KOne of the Configuration Management tasks, which require that for every r: \! M5 U3 ^change that is made to an Automated Data processing (ADP) system, the design ) T! s) g4 p* `; Zand requirements of the changed version of the system should be identified. Configuration Item (CI) An aggregation of system elements that satisfies an end use function and is designated by the Government for separate configuration management. Configuration items vary widely in complexity, size, and type. Any item required for logistic support and designated for separate procurement is a configuration 3 Z1 o3 o# N7 v0 Jitem. Configuration items are traceable to the work breakdown structure (WBS). Configuration Management 2 k7 ?0 w1 U7 X6 _- l* @7 G(CM) & w- T% M7 H0 O" Y1 p3 `" ]6 pIn computer modeling and simulation, a discipline applying technical and administrative oversight and control to identify and document the functional ) N) H+ g( P# H" n- o: Lrequirements and capabilities of a model or simulation and its supporting + [( Q3 B8 i# L, P- Tdatabases, control changes to those capabilities, and document and report the - S" N8 M) O1 r; dchanges. See also Accreditation. CONOPS Concept of Operations. ! `8 P) G7 V: q1 T; ^. s# k- aCONPLAN Concept Plan 2 b' h5 A' O4 L7 _ K! o: v& OCONS Contracting Squadron. Consolidated Command Center " s& V3 q; y8 H) I(CCC) - j8 O& T, j" M i6 [- D, \A single command center from which USCINCSPACE/CINCNORAD can direct all his assigned missions, to include BMD. (USSPACECOM) Located in Colorado Springs, CO. Consolidated . Y5 f0 s a. l; t5 CIntelligence Watch (CIW) ) R% u$ B" W" F, x8 u( q0 QA consolidation of intelligence watch functions within the Intelligence Operations Center (IOC) consisting of the USSPACECOM ITW Center, the NORAD Aerospace Defense Intelligence Center (ADIC), and the Air Force Space Command Space Intelligence Element (SIE). , U: x( |- F, R8 C; N, A7 S! E2 B7 DConsolidated . ]2 x( o7 _: i: n" SSpace Operations Center (CSOC) Series of centers at Falcon AFB, CO, which operationally control and maintain assigned DoD satellites. Consolidated + S' c, e+ U4 D) J; qSpace Test Center (CSTC) Series of centers at Onizuka AFB, CA (Sunnyvale), which support launch and / E* L( C5 ?9 {/ T3 t; Zinitial on-orbit checkout of operational satellites, operate R&D satellites, and : i! a/ d5 @7 _5 Fserves as a backup to CSOC for operational DoD satellites. MDA GLOSSARY, VER. 4.0 C ) x6 @, ]7 a3 K, y60 3 h6 P% ]8 b5 u* Q0 D4 vConstellation Size (CSIZE) The number of satellites of a particular system placed in orbit about the earth. Contact Fuse Device used to detonate warhead on physical contact with another object. # ] j4 T1 l; q" ~) U; B$ W4 s6 z* jContingency Deployment Plan (CDP) An executable plan designed to deploy an early missile defense capability and reduce deployment time. The plan provides specific executable deployment options and describes activities required before and after a deployment decision. 3 d7 `# t# o8 R9 V( XThe plan also allows decision makers to have oversight on technical progress, ' q8 X1 r y e1 V6 `$ G, K1 }0 h: zcost, schedule, and risks associated with a deployment system. Continuity of ) R7 `) d; K) N8 A2 V' eCommand & A2 m1 k* e: `( p$ \. J* ]3 K* }The degree or state of being continuous in the exercise of the authority vested in an individual of the armed forces for the direction, coordination, and control of M( K1 [( C, E+ U( @, Cmilitary forces. * I- Z8 i4 w+ D1 n. ?9 vContinuity of Operations The degree or state of being continuous in the conduct of functions, tasks, or % K- v# s- \- Y' c! `duties necessary to accomplish a military action or mission in carrying out the national military strategy. It includes the functions and duties of the commander, 9 c+ L3 C5 X9 V8 {2 Tas well as the supporting functions and duties performed by the staff and others E# [; ^" x; Z: c9 [2 ]acting under the authority and direction of the commander. ) b4 S# ]: P yContract Administration 2 F9 w7 o) C# r& i4 }, K$ E) R5 JOffice (CAO) ) F# R8 l7 H7 l) g2 j7 w _7 ]The activity identified in the DoD Directory of Contract Administration Services Components assigned to perform contract administration responsibilities. It is a general term and includes Defense Contract Management Regions (DCMRs), Defense Contract Management Area Operations (DCMAOs), and Defense Plant Representative Offices (DPROs). (Defense Systems Management College Glossary) Contract Data ! V4 Y/ p6 y- r2 t/ PRequirements 1 w! {5 G* }1 x' `3 P7 W. r% sList (CDRL) # j5 K& D! y9 b; H6 x) f2 d) a" O" D- HDocument used to order (“buy”) and require delivery of data. Tells contractor what data to deliver, when and how it will be accepted, where to look for instructions, etc. Contract Definition " v J0 W( F9 I# g) s( h( h, {A funded effort, normally by two or more competing contractors, to establish $ c( y: L, D& v# zspecifications, to select technical approaches, to identify high-risk areas, and to make cost and production time estimates for developing large weapons systems. - d. f) m+ i* ~5 e2 oContract Work Breakdown / e3 \ O- Q2 P! M$ B& _Structure 7 X" K: `4 E# }) M) R3 y& l8 aThe complete WBS for a contract developed and used by a contractor within the # V! J- l$ V! fguidelines of MIL-STD 881A, and in accordance with the contract statement of : p7 D/ V) h, j1 l2 F# ywork. Contracting 8 g" b6 T; {4 t. ^. k3 v( TOfficer (CO) - T, R! j1 `, P+ kA person with the authority to enter into, administer, or terminate contracts and make related determinations and findings. The term includes any authorized # W v A' J5 g2 E" ^7 Vrepresentatives of the CO acting within the limits of their authority. A CO whose # Z) F5 ~8 ^. Hprimary responsibility is to administer contracts is an Administrative Contracting Officer. One whose primary responsibility is to terminate contracts and/or settle terminated contracts is a Termination Contracting Officer. A single contracting officer may be responsible for duties in any or all of these areas. ; x6 j8 p7 F6 d' U4 uControl Authority that may be less than full command exercised by a commander over 4 j, D) X' O/ j+ rpart of the activities of subordinate or other organizations. 0 V$ @% r, y# H, d) Y2 Q" U7 RControl Abstraction (Software) The process of extracting the essential characteristics of control by [; j" ?7 [& D9 n" F, ]$ U5 Sdefining abstract mechanisms and their associated characteristics while disregarding low-level details and the entities to be controlled.

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MDA GLOSSARY, VER. 4.0 C * S: R; B# Y: `61 Control and Reporting Center An element of the US Air Force tactical air control system, subordinate to the tactical air control center, from which radar control and warning operations are 5 m7 w4 y. _" K, Rconducted within its area of responsibility. % A6 D+ A: W+ w6 `. M0 I5 uControl and Reporting Post & d& I1 U9 _! b" bAn element of the US Air Force tactical air control system, subordinate to the 0 p7 n; g$ l6 \! y4 ^0 |control and reporting center, that provides radar control and surveillance within + w9 R0 c+ r$ C+ w7 U- {its area of responsibility. 7 {; I3 F, ~4 _# VControl Area A controlled airspace extending upwards from a specified limit above the Earth. * U0 P+ ]8 S+ p9 ?Controlled Environment n% G: X4 `0 B$ QArea where entry into the radiation hazard area is controlled. Control Procedure / _3 s4 y$ `7 V4 AThe means used to control the orderly communication of information between & h3 m2 D) E# H; E |1 estations on a data link. Also called line discipline. Control Station The station on a network, which supervises the network control procedures such & P* J5 o! l* f4 [8 was polling, selecting, and recovery. It also is responsible for establishing order 1 k9 U9 o& P% D; R7 \& A2 Don the line in the event of contention, or any other abnormal situation, arising 8 r. j6 c# M) ?0 L. x! vbetween any stations on the network. + r) w; A' ?0 `) [: XControl Zone The space, expressed in feet or radius, that surrounds equipment that is used to process sensitive defense information and that is under sufficient physical and & I4 @; k3 L- N7 P) Ntechnical control to preclude an unauthorized entry or compromise. & I t# n* y4 b6 L: [, J% r" w( zCONUS Continental United States. Conventional Co- Production An effort between governments to produce the same end item, or components of the same end item, in concert. Conventional Weapon " K8 i, i/ Y- K6 e! TA weapon that is neither nuclear, biological, nor chemical. Coop Cooperative Coordinated Engagement Planning/Actions Necessary coordination among engagement components to ensure maximum / q8 }' [" M- a0 oeffectiveness of the SDS and resources are not wasted on targets already targeted. Coordinating Authority ' p! k2 G Y3 F+ H) ~$ ]( L; [- kA commander or individual assigned responsibility for coordinating specific 8 L: }9 ^- X. bfunctions of activities involving forces of two or more Services or two or more forces of the same Service. The commander or individual has the authority to 2 Q* x; N: q& z3 m: wrequire consultation between the agencies involved, but does not have the + x, Y m" H- n6 e& Z9 Aauthority to compel agreement. In the event that essential agreement cannot be ( I- L8 O3 I, @1 i v8 d% ~& K" Zreached, the matter shall be referred to the appointing authority. ; {1 b/ N: o5 A& y) A0 d5 bCOP Committee of Principals 2 e! |! C! O! h- zCOR Contracting Officer’s Representative. Contracting Officer. + f9 p5 a4 E( g8 w- @7 @) A. |, e! w# tCORBA Common Object Request Broker Architecture. CORM Commission on Roles and Missions. MDA GLOSSARY, VER. 4.0 C 62 Corner Reflector (1) A device, normally consisting of three metallic surfaces or screens + E, a3 ^. O" Yperpendicular to one another, designed to act as a radar target or - f$ W6 ]6 X$ s9 w+ J Lmarker. / ?( [4 S7 q& z2 p) ?6 A(2) In radar interpretation, an object that, by means of multiple reflections $ @+ \9 i1 z1 o# n \$ C* g7 ]0 wfrom smooth surfaces, produces a radar return of greater magnitude than might be expected from the physical size of the object. 6 m+ K: D& r3 I U* ^Corps SAM OBSOLETE. See Medium Extended Air Defense System. 0 d( @2 n0 X* lCorrelation (1) The process of relating observations or tracks from one set of data to observations or tracks from another set of data, i.e., collecting data from different frames or sensors that presumably relate to the same target. (2) ' X2 P9 c0 N. d) G6 fIn air defense, the determination that an aircraft appearing on a radarscope, on a plotting board, or visual is the same as that on which + k5 X" W, ] u6 q+ L. b4 zinformation is being received form another source. (3) In intelligence usage, the process which associates and combines data on a single $ C( g$ \) F6 B5 y# S$ C2 Ientity or subject from independent observations, in order to improve the ! f" Z0 b; [' ?$ w6 `/ e5 breliability or credibility or the information. COSEMS Evolving architecture operations support tool. COSM Computer System Operator’s Manual COSMIC NATO security category. # C7 K$ i6 o8 y! r: qCost Analysis Improvement Group (CAIG) 4 q+ D P1 R+ _$ N& Q+ x% n2 K w+ _/ wAn organization within the office of OSD Director, PA&E which advises the DAB on all matters concerning the estimation, review, and presentation of cost analysis of future weapon systems. The CAIG also develops common cost estimating procedures for DoD. Cost Analysis Requirements Document + a" A" L- _) Y(CARD) The document describing the technical baseline, which is a subset of current / G/ C) @1 B2 Osystem technical data and is used to generate the baseline cost estimate for an ( T* C( `5 D# N4 ^SDS element. It includes, but is not limited to, the element description, & l i' k' R+ B' K& E. m. pinterfaces, operational concept quantity requirements, manpower requirements, 6 I3 |0 q- F& b4 Factivity rates, schedules, research and development-phasing plan, and facilities ; q% j2 J' T, m J8 Yrequirements. Cost and 3 ^2 u' N. p: l( V! S- O$ X! K5 Y( jOperational Effectiveness Analysis (COEA) An analysis of the estimated costs and operational effectiveness of alternative materiel systems to meet a mission need, and the associated program for 1 }$ D4 i+ g! |. v9 V- bacquiring each alternative. Cost Risk Cost estimating risk and schedule/technical risk. Cost estimating risk is the risk 2 K2 a) X c! |& S+ fdue to cost estimating errors and the statistical uncertainty in the estimate. & x! P) G0 k+ f7 H: V! ]! uSchedule/technical risk is risk due to inability to conquer the problems posed by the intended design COTR Contracting Officer’s Technical Representative. See Contracting Officer. COTS Commercial Off-The-Shelf. Counterair A US Air Force term for air operations conducted to attain and maintain a desired degree of air superiority by the destruction or neutralization or enemy forces. Both air offensive and air defensive actions are involved. The former range throughout enemy territory and are generally conducted at the initiative of ; `2 C, h5 s; U S) qfriendly forces. The latter are conducted near or over friendly territory and are generally reactive to the initiative of the enemy air forces. " S0 E% q) i( p4 PMDA GLOSSARY, VER. 4.0 C ( N1 @% F' @- v( r4 |63 ! ]' y: ?# p) v6 W* hCountercountermeasures 9 x% a- Y+ w& d' p(CCM) Measures taken by the defense to defeat offensive countermeasures. Counterforce The employment of strategic air and missile forces in an effort to destroy, or / T' y, }- r9 z* \. Trender impotent, selected military capabilities of an enemy force under any of the 3 @% a( f5 c; K( N- Vcircumstances by which hostilities may be initiated. Countermeasure A design or procedural measure taken against covert or overt attacks. % s# `7 t! S3 ~$ T3 s6 MCountermeasure % ]0 I1 K7 m# I* {, q' ms (CM) ; f8 K2 v( @! ]$ ^That form of military science that by the employment of devices and/or ; M3 W) N) s- etechniques has as its objective the impairment of the operational effectiveness of enemy activity. 9 j1 I& ?2 b8 d- e( H( w7 i' zCountermeasure s Rejection 3 N, d* P1 t4 z( H! s: | c( d(Surveillance) Improvement or rejection of an object signal in the presence of countermeasures. 9 x# `5 ]2 I9 y& z5 iCourse of Action * `( h+ V5 y' G4 J N$ J(COA) (1) Any sequence of acts that an individual or unit may follow. (2) A possible & v' t2 C. p; X8 \* Q1 R0 d7 x, Rplan open to an individual or command that would accomplish or is related to the accomplishment of his mission. (3) The scheme adopted , B' I1 M* U; r4 Z3 k- Gto accomplish a job or mission. (4) A line of conduct in an engagement. % D8 |6 S! @' U6 r0 t4 t' K! S(5) A plan to accomplish a mission. It describes the execution concept - t% U; e6 H L3 Ifor BMD of North America. It will specify the engagement priorities, resource allocation and desired results by Area of Operation (AO). 0 x( @& `5 \1 x$ I2 v(USSPACECOM) (6) The scheme adopted to accomplish a task or ) W, S" d3 Q% @' [% imission. It is a product of the Joint Operation Planning and Execution System concept development phase. The supported commander will include a recommended course of action in the commander’s estimate. The recommended course of action will include the concept of $ J" v$ z, g; `# n+ V( Q* |3 O a) moperations, evaluation of supportability estimates of supporting organizations, and an integrated time-phased data base of combat, , a8 @: |( a. a6 ccombat support, and combat service support forces and sustainment. , {% U0 R" w$ [5 B4 XRefinement of this database will be contingent on the time available for course of action development. When approved, the course of action becomes the basis for the development of an operation plan or & B0 m1 b# J; \7 d0 S0 j3 i! Y+ H4 Yoperation order. Coverage (1) The ground area represented on imagery, photomaps, mosaics, maps, and other geographical presentation systems. (2) Cover or protection, as the coverage of troops by supporting fire. (3) The extent to which intelligence information is available in respect to any specified area of 4 l Y. L- [) S+ Linterest. (4) The summation of the geographical areas and volumes of aerospace under surveillance. Covert Timing % @* _0 o! I0 h( DChannel A covert channel in which one process signals information to another by 5 P( }: Y$ |8 r/ ?- S0 ?modulating its own use of system resources in such a way that this manipulation affects the real response time observed by the second process. ) z2 m3 i* ]/ P7 V9 h: `% ^CP Command Post. CPA (1) Chairman’s Program Assessment. (2) Closest Point of Approach. . W( e3 q4 w' s- _CPAF Cost Plus Award Fee. 8 U4 O! ?- O& |9 V* `+ vCPAM Chief of Naval Operations Program Assessment Memorandum (Navy) MDA GLOSSARY, VER. 4.0 C 64 CPAR Cost Performance Assessment Report. CPAT Critical Process Assessment Tool CPB Charged Particle Beam. CPEV Communications/Processor [Network] Experimental Version. : R" F' L& | V, e3 \( [CPFF Cost Plus Fixed Fee. CPIF Cost Plus Incentive Fee. CPIPT Cost-Performance Integrated Product (Process) Team. CPM (1) Critical Path Method. (2) Contractor Performance Measurement. CPP Critical Performance Parameter. CPR Cost Performance Report. CPR/NC Cost Performance Report/No Criteria (Contract management term). ; q" }% _: J3 _CPS (1) Consolidated Program Summary. (2) Competitive Prototyping Strategy. . z9 M' `" M8 ?! S(3) Current Program Status. 9 x% V/ G' ^3 ^CPU Central Processing Unit (TelComm/Computer term). # S( U8 g# G1 _) \) ]! h2 iCPX See Command Post Exercise. CQAE Chief/Contract Quality Assurance Evaluator. ! S- j) w. P8 s' p: K! F( zCR (1) Computer Resources. (2) Continuing Resolution (US Congress term). [$ ^7 G$ n& RCR-UAV Close Range Unmanned Aerial Vehicle. - z. w1 E7 B. }3 S/ f( tCRA (1) Coordinating Review Authority. (2) Command Relationships Agreement T" K- b0 P! kCRADA Cooperative Research and Development Agreement. CRAM (1) Control Random Access Memory. (2) Cross-tie Random Access Memory (Computer term). ' V3 x: N! g' T5 e$ eCRB Configuration Review Board. 0 ~5 o$ ]. a/ m7 J7 nCRC Control and Reporting Center. CRD (1) Capstone Requirements Document. ) F6 ~' X& q6 f* A* p& }4 b(2) Component Requirements Document. CRDA Cooperative Research and Development Agreement. + u6 T, K' c( n! b% x @, ^CRG Communications Relay Groups (PATRIOT). . i% c9 o7 l" c" l+ hCRI Classification, Recognition and Identification. # X C9 y. {) I4 f6 I( u% y/ BCRISD Computer Resources Integrated Support Document

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MDA GLOSSARY, VER. 4.0 C ' \6 G/ F7 |) s0 z% y65 . V6 Y" P" @5 f8 v0 ECritical Design 1 T5 e, T" V% h7 `3 t% J I0 |Review (CDR) A review conducted to determine that the detailed design satisfies the performance and engineering requirements of the development specification; to establish the detailed design compatibility between the item and other items of equipment, facilities, computer programs, and personnel; to assess producibility % e# V7 ?' q0 R2 U- u6 Dand risk areas; and to review the preliminary product specifications. Conducted during Phase I, Demonstration and Validation (for prototypes) and Phase II, Engineering and Manufacturing Development. Critical Information 1 @+ a, E* {" ]+ S! I( F7 eSpecific facts about friendly intentions, capabilities, and activities vitally needed by adversaries for them to plan and act effectively so as to guarantee failure or ' | i, Y' ]0 C. i4 ]( }1 {3 t5 Runacceptable consequences for friendly mission accomplishment. Critical - p: n G( y6 H' lIntelligence Parameter # \ y2 d# {. Q% h: ]A threat capability or threshold established by the program, changes to which " b6 G3 u7 A; X5 C0 zcould critically impact on the effectiveness and survivability of the proposed system. Critical Issues Those aspects of a system’s capability, either operational, technical, or other, that must be questioned before a system’s overall suitability can be known, and * \; o/ C8 k2 N$ k8 B: Dwhich are of primary importance to the decision authority in reaching a decision to allow the system to advance into the next phase of design, development, 7 Y2 R% _* D1 ?production, or post-production. 8 y. r$ e8 B; X6 k8 ^1 KCritical 9 D2 E/ u, h9 T( s9 C& v7 q LOperational Issue A key operational effectiveness or operational suitability issue that must be ' d# G/ v2 N8 _examined in operational test and evaluation to determine the system’s capability to perform its mission. A critical operational issue is normally phrased as a / }0 n" p- G2 z8 hquestion to be answered in evaluating a system’s operational effectiveness and/or operational suitability. 3 @- `6 B& S. I. |. aCritical Path ' ^ I. p' E9 w* P5 u- ~Method $ X( g; G9 |* x( @1 ^A technique that aids dependency of other activities and the time required to complete. Activities, which when delayed have an impact on the total project : D' z- G% v, T" E& Sschedule, are critical and are said to be on the critical path. / n/ T& R. y4 N$ a# Y, o4 z2 ^: ICritical Risk The existence of a vulnerability that could cause exceptionally grave damage to ' Y0 c" G& {# Z1 v; t4 b4 A& m0 ithe viability or the operational effectiveness of the SDS. Critical Security Risk The existence of a security vulnerability that, if exploited by an adversary, could ( c: z: ?9 H0 D7 `3 ]+ Ccause exceptionally grave damage to the viability of the BMD or the operational 9 U: {* ]: a+ n1 k5 B2 Keffectiveness of the SDS. Critical risks assume an adversary’s capability to cause major system disruption or degradation (e.g., single point failure), destruction of mission-critical components, or usurpation of system functions. 7 ^$ A" n& E. |' F6 g$ ^ yCritical Supporting Technology # {( \. b8 W" z0 TA technology that program management personnel consider a critical part of the program being described. 4 i8 Q! Y6 c5 H! ~" RCRLCMP Computer Resources Life-Cycle Management Plan. : d; A9 K" A zCRM Computer Resources Management. CRMP Computer Resources Management Plan. 1 P& i9 B ~# d9 C8 y; ECRO Chemical Release Observation. 5 V- l5 n: _( X: @6 f, UCRP (1) Command and Reporting Post. (2) Control and Reporting Point (JFACC term.) ( U y9 Y# e. {' z4 fMDA GLOSSARY, VER. 4.0 C 66 / l X* p/ n4 I; V8 h; C0 o! `CRS (1) Computer Resources Support. (2) Congressional Research Service. (3) Contractor Reporting System. 1 `4 G' M. q0 Z( _; cCRT Cathode Ray Tube. - a& ]$ Z5 D& ^- r, R, B) G/ hCRWG Computer Resource Working Group. / T1 A8 O' F9 I1 E- cCryocoolers Cryogenic Coolers. ' F; _7 y6 _0 LCryogenic Of or related to cryogens (substances which are used to obtain low temperatures). Crypto A designation or marking which identifies classified operational keying material, and which indicates that this material requires special consideration with respect 6 j7 u( H$ Z% `7 V% N1 _5 nto access, storage and handling. ' j1 w1 g% ~+ ~Cryptographic System - P+ H1 m# Z7 t5 c' A3 WThe documents, devices, equipment, and associated techniques that are used 5 I% l5 o3 w; K C: ^( b+ Qas a unit to provide a single means of encryption (enciphering or encoding). ; @/ f( r8 S3 A- s# N# ACryptology The science that deals with hidden, disguised, or encrypted communications. It includes communications security and communications intelligence. ' Z+ b! b/ P- ACS (1) OBSOLETE. See Corps SAM. (2) Contracting Specialist. (3) Contract Start. 5 V# ]& e* T( VCS/CSS Combat Support and Combat Service Support (USAF budget term). 0 F! N+ b# b8 Z1 {2 X$ ZCSA Chief of Staff of the Army. CSAF Chief of Staff of the Air Force. CSC Computer Software Component. CSCE OBSOLETE – Conference on Security and Cooperation in Europe. (See OSCE) ! [7 c6 B$ P# A0 K8 ?8 GCSCSC Cost/Schedule Control System Criteria. ! b+ o! b5 r V* v+ JCSD (1) Constant Speed Drive. (2) Critical System Demonstration. 2 g4 _1 y4 x C8 kCSE Center for Security Evaluations (DCI). ; g8 n0 R7 w' z) ]0 d( jCSEDS Combat System Engineering Development Site, supporting the AEGIS Weapon System, located in Cherry Hill, NJ. CSF Consolidated Support Facility, Arlington, VA. & C h* U: a. O$ j1 _6 B/ R* JCSI (1) Critical Safety Item. (2) Critical Sustainability Item. * W! }- [9 ]% TCSIP Current Systems Improvement Program. 6 `8 C: R, F! r/ fCSIZE Constellation Size. CSL Computer Systems Laboratory. CSM (1) Core Support Module (*C2E term). (2) Communications Support Model. CSNI Communications Shared Network Interface (NATO term). MDA GLOSSARY, VER. 4.0 C $ Y; N8 c! p' ], V* q67 CSO Closely Spaced Objects. CSOC See Consolidated Space Operations Center. CSOM Computer System Operator’s Manual CSOSS Combat System Operational System Sequencing CSP Communications Support Processor (numerous locations, including USAF Air Development Center, Rome, NY term). 3 i% R3 h% ^$ ]- E# U% `1 e: Q6 PCSRD Computer System Requirements Document. , I/ y2 |1 j1 o# y+ ICSS (1) Cooperating Space System. (2) Communications System Segment. (3) Contractor Support Services. (4) Common Sharing System. (5) Communications i; b1 O# S3 Y3 eSupport System (Navy term). (6) Common Support System. (7) Combat Service ! f) W8 ?& O/ ~, u- Q% g% ySupport. ) a4 M* s3 ]( _$ u+ C) c7 UCSSCS Combat Service Support Control System (USA term). 1 I0 K i5 ]" ]4 k( b0 Q) hCSSPAB Computer System Security and Privacy Advisory Board. , |- h) A/ Z* E4 b! l7 NCSSO Computer Systems Security Officer. / h! x+ A& l5 a, w; k" iCSSTSS Combat Service Support Training Simulation System (US Army term). CSTC Consolidated Space Test Center. CSTI Civil Space Technology Initiative. CSU (1) Computer Software Unit. (2) Communications System Utilization. CSUR Communications System Utilization Report. CT (1) Counter-terrorism. (2) Communications Terminal. (3) Control Telemetry. (4) Cryptologic Technician (Navy occupation specialty). , ~) g9 @$ R; Y, tCTACS Contingency Theater Air Control System (JFACC term). 0 a3 `+ V2 Z8 PCTAPS Contingency Theater Automated Planning System (USAF). CTB (1) Communications Test Bed. (2) Comprehensive Test Ban [Treaty term]. 7 U5 f/ Y! o5 E' i; u$ }0 ]8 yCTBM Conventionally-0armed TBM. CTC Combat Training Center, Ft. Leavenworth, KS. # b9 t4 }& D& w r8 ~7 r5 \: ZCTCC Critical Technology Coordinating Committee. CTD Communications Test Driver. CTE (1) Center for Test and Evaluation (JIEO term) (2) Common Test Environment. CTEIP Central Test and Evaluation Investment Program. A DoD program for centrally " L; `5 e6 C6 w! Wfunding selected test investments proposed by the Services and Defense Agencies (including MDA).

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MDA GLOSSARY, VER. 4.0 C 0 V+ R$ W i% ^. @ Q1 q+ E68 5 p+ m+ s& S& ]( H' p+ ?. LCTF Controlled Test Flights. CTI Concept Technology Insertion. CTN CALS Test Network. CTOC Corps Tactical Operations Center. CTOL Conventional Takeoff/Landing aircraft. # O1 G6 T8 Q7 [9 t5 a7 R, lCTP (1) Critical Technical Parameters. 7 P0 Z% M( `' K7 P8 h0 Q: k(2) Communication Tasking Plan. 8 Q8 H; l$ v% m# o* p4 x(3) Consolidated Targets Program. CTPE Central Tactical Processing Element. CTPP Consolidated Targets Program Plan. CTR Cooperative Threat Reduction (Treaty negotiation term). CTRS Centers & m% e. g) K, W) d4 @/ H! WCTS (1) Clear To Send (TelComm/Computer term). . t* M& Q" F6 l, x, F6 G6 C; }4 m(2) Contact Test Set (USA IFTE term). CTSS Computer and Telecommunications Staff. 4 J- W6 N, ^$ E" V8 E+ I& OCTT Commander’s Tactical Terminal (US Army). CTT-H/R Commander’s Tactical Terminal –Hybrid Receiver (USA term). CTV Control Test Vehicle(s). 0 b/ `& l$ n/ O7 u; p7 ~CUDIXS Common User Digital Information Exchange System. Cued Operation The directing of one sensor based upon the data received from another sensor. Cueing Command The command within a tactic, which specifies the sensor element’s coverage # R. f& G6 u! qvolume. % U0 ^6 u8 t5 g3 L, d' QCueing Data Cueing data is a subset of object tracks within a sensor element’s coverage volume. CV (1) Carrier Vehicle. (2) USN Aircraft Carrier. (3) Curriculum Vitae. - J% O+ U! _; @3 V8 }CV/BM Carrier Vehicle/Battle Management. CVBG USN aircraft carrier battle group. ) p; x7 s! G! r7 TCVHG Carrier, Aircraft (V/STOL), Guided missile. ( [$ r1 n' h0 ^; y2 E) A HCVISC Combat Visual Information Support Center. CVL Copper Vapor Lasers. ( E5 o4 h3 _: L, \$ Y- {2 SCVN USN nuclear powered aircraft carrier. MDA GLOSSARY, VER. 4.0 C " _% r/ m9 R5 D$ O8 o+ m% I6 ?69 : O3 d, t1 C- `4 M4 J& MCW (1) Continuous Wave. (2) Chemical Weapon/Warfare. (3) Carrier Wave. S2 A( T! c l8 X# M7 x% QCWAR Continuous Wave Acquisition Cycle (Hawk). 4 J9 i1 z) C* UCWBS Contract Work Breakdown Structure. " P% t: y3 g. L2 G9 pCWDD Continuous Wave Deuterium Demonstrator. : ]3 A0 H* |9 v5 m* d0 y! PCWIPT Cost Working group integrated Product Team. CY Calendar Year. ; }. @! L# w: _6 |7 `7 F3 b# N- K$ hMDA GLOSSARY, VER. 4.0 D 71 D Deuterium D Spec Process specification. $ K1 X" F9 a) p. K! q% G9 SD Star Measure of infrared sensor sensitivity. D&D Design and Development 4 B3 ~! A0 i2 [* ^D&T Detection and Tracking. 3 n# |. @+ A2 \- JD-IFOG Depolarized-Interferometric Fiber Optic Gyro. " k$ G4 \9 r3 rD-Level Depot Level (ILS term). 5 z: z+ @$ A: n% C. G/ lD/A Digital-to-Analog A4 b" a" q1 I* R) Q4 OD/V Demonstration and Validation. " \" |$ N q% H- W- K( A1 N9 \& \D2 Projective (interceptor) in the Hyper-Velocity Gun program. - j& Y& |% l+ g/ T( w& e5 `$ }DA (1) Department of the Army. (2) Department of Administration. (3) Decision Analysis. (4) Developing Agency/Activity. - K6 Y' v4 M9 \0 u(5) Data Administrator. + M& Q) v v5 f+ k" S(6) Direct Action. 0 Y9 P% K% Y4 _6 D(7) Data Adapter. DAA Designated Approval Authority (DD 5000 term). 7 ~- ]* H; s2 [- WDAASAT Direct Ascent Anti-Satellite. $ I. B7 O- ?, m. ~DAB See Defense Acquisition Board. / f- p" b% q* k e3 `1 tDAC (1) Days After Contract [Award]. (2) Department of the Army Civilian. (3) Directed Attack Characterization. (4) Deploy ACCS Component. ' `3 w4 b6 M4 W* j(5) Digital-to-Analog Converter. 8 z9 a4 x9 s/ j: x _) oDACS Divert and Attitude Control System. DAD Defense Acquisition Deskbook. / X) V2 l H; v, m# _) hDADS Distributed Air Defense Study (1993). DAE Defense Acquisition Executive. ( Y$ U9 q9 i; H/ Y5 J* L0 [2 _DAES Defense Acquisition Executive Summary. + I0 _' M" {4 ] m0 A/ MDAGGR Depressed Altitude Guided Gun Round. , A K9 i8 Z% h9 c9 eDAHQ Department of the Army Headquarters. , ^& X( Z9 x( |* n B- v2 ODAI Damage Assessment Indicator (targets). DAL Defended Asset List. MDA GLOSSARY, VER. 4.0 D 72 / z, H9 N* K( TDAMA Demand Assigned Multiple Access. , P. Z0 x3 o0 s$ {$ qDANASAT Direct Ascent Nuclear Anti-Satellite. " D+ k. b% [, `- @' D' {6 ^# ODAPR Director’s Annual Program Review (SDIO term) DARO Defense Aeronautical Reconnaissance Office (OSD). DARP Defense Aeronautical Reconnaissance Program. 8 b* |, `$ P5 y) Z K" BDARPA Defense Advanced Research Projects Agency. See ARPA. : _. a) [& t; T* Y h3 {DART OBSOLETE. Defense Acquisition Review Team. ) G3 ^. w" x4 P9 D3 z1 u' B* gDASA German Aerospace. Member of the MEADS Program Team. - J. R+ C8 G( T) S/ n, `DASC Deep Air Support Center (JFACC term). DASD OBSOLETE. Deputy Assistant Secretary of Defense. : m+ U2 |' X" P# | [! dDASD (C3) Deputy/Assistant Secretary of Defense (C3) 6 }4 B2 L5 t* y: f, l! `6 ^4 K& _DASO Demonstration and Shakedown Operation. Data Integrity The state that exists when computerized data is the same as that in the source documents and has not been exposed to accidental or malicious alteration or $ [0 j7 q. }- J% T$ ~" Vdestruction. / W+ M {1 ?2 \) D4 N+ O0 a+ _0 GDatalink (1) The means of connecting one location to another for the purpose of 9 s7 Z! s8 c' b* Dtransmitting and receiving data. ' D+ r) l/ p r' y9 s(2) A particular path between two nodes over which data is transmitted. It ( B3 | d4 ~( p# z7 j+ @includes not only the transmission medium, but also digital to analog 2 ^0 _# M2 r, b. Iconverters, modems, transmission equipment, antennas, etc., associated with this path. In the SDS backbone network, it was a path between two SDS elements. In space these datalinks were microwave or laser. On the ground, they could have been wire line, microwave, or optical fiber. DAU Defense Acquisition University, Ft. Belvoir, VA. ; T4 w, v! p' [$ W4 L/ eDAVID Development of Advanced Very long wavelength Infrared Detector (USAF Phillips Lab term). DAWS Defense Automated Warning System. Dazzling The temporary blinding of a sensor by overloading it with an intense signal of + f U" ^. M- L: kelectromagnetic radiation (e.g., from a laser or a nuclear explosion). DB Bata Base DBME Database Management Environment (Computer term). DBMS Database Management System. 1 X, i$ p- {: E! iDBOF Defense Business Operations Fund. 9 e2 }9 e+ M l+ t* mDBS Direct Broadcast Satellite.

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MDA GLOSSARY, VER. 4.0 D : f2 w( |% ?+ j2 A- _4 u( T u& c73 ! S8 Q0 y, R/ x5 G* o) gDbsm Decibels per square meter. + ?% ?5 B c- u, j+ ~! _DBSM Database System Management. # f9 g! w4 ?4 R' z; z5 ]DC (1) Disarmament Commission. (2) Direct Current. 5 D1 {; E7 {. z* nDC-X Delta Clipper Experiment. DCA (1) Defensive Counter Air. (2) OBSOLETE. Defense Communications , k) n9 R5 V) j( IAgency. (Now known as Defense Information Systems Agency (DISA)). 1 x2 k" {& I. }3 \' H3 RDCAA Defense Contract Audit Agency. DCAS Defense Contract Administrative Services. , a; Z0 x& [. X# ?0 A* \. @' L1 GDCCO Defense Commercial Communications Office (of DISA). DCDS Distributed Computer Design/Development System. DCE (1) Data Communications Equipment (TelComm/Computer term). . Z" `& z' C. g9 H(2) Distributed Computer Environment. 8 ?: B( p; z! W8 ZDCEC Defense Communications Electronics Command. 5 g5 [# D: t& T: DDCI (1) Director of Central Intelligence. (2) Dual Channel Interchange. 9 |' \3 L7 C. P9 `9 jDCINC Deputy Commander-in-Chief. DCM Defensive Counter Measures. . X1 G0 Y6 I0 B9 y8 vDCMC Defense Contract Management Command ' M F( A7 @4 O& b$ W1 aDCN Document Change Notice. DCO Director of Combat Operations (JFACC term). DCP (1) Decision Coordination Paper (see ADM). ( y: C4 F1 G/ D3 e9 M(2) Director of Combat Plans (JFACC term). DCPG Digital Clock Pulse Generator. DCS Deputy Chief of Staff. DCSOPS Deputy Chief of Staff for Operations and Plans (Army). - n( _0 @5 d$ i5 TDCT Digital Communications Terminal DCTN Defense Commercial Telecommunications Network. 3 T" c, d$ g- x g/ ~) o/ M0 oDD Variation of DoD. DDCI Deputy Director of Central Intelligence. 1 ]! v9 w$ F0 g4 N) q- l2 ?' G- hDDEL Dwight David Eisenhower Library, Abilene, KN (army term). DDG USN guided missile destroyer. + D! m9 D; J9 M) F0 yMDA GLOSSARY, VER. 4.0 D 74 DDL Disclosure authority letter. - I" e! q) v; c8 j! O0 iDDN Defense Data Network. DDR&E Director, Defense Research and Engineering. ; a7 |7 K6 f" ~' T/ f( vDDDR&E Deputy Director, Defense Research and Engineering. . N- v6 e- Y7 S! c# C* _; `# ]DDS Data phone Digital Service (AT&T service) (Telecomm/Computer term). + o/ w, g& ~! r: a! C1 R2 ]. g+ NDE (1) See Directed Energy. (2) Delay Equalizer. DEBRA Debris, Radiance Model. ) r" u( k& t; l# A: {Decentralized Control . t6 O7 O1 s' ?) mIn air defense, the normal mode whereby a higher echelon monitors unit actions, making direct target assignments to units only when necessary to ensure proper m: v8 S9 {9 L3 {; S9 N5 K) x, kfire distribution or to prevent engagement of friendly aircraft. Decentralized 4 ~* o1 B ~: {- y2 R) }Execution 3 R0 P5 w' k! X. d# D+ v( u, z! l5 MThe distributed and integrated implementation of USCINCSPACE direction by 8 [7 u* y2 U/ u- C/ J+ X2 ^3 ythe BMD forces. (AFSPACECOM) ; y( s4 T9 T: ~. I& MDecommissionin 7 T% {3 P# z' l& _g The removal or the rendering useless of obsolete or no longer needed components of the BMD system from service. Decrement A directed funding level reduction for an acquisition program. / k) m, N5 N! \- Q5 D! U5 l: lDED Data Element Definition (Computer term). 8 e( H$ w3 m" Y6 i& X. mDedicated Mode 9 C% O- t8 L! ?# \of Operation (ADP Security) A mode of operation where all users of the AIS possess the required personnel security clearance or authorization, formal access approval (if required), and a Need-to-Know for all data included in the AIS. ; D( m: M. ?' a {5 G; w7 y0 f& VDeep Space (DS) The region of outer space at altitudes greater than 3,000 nautical miles (about 3 ?$ {1 r2 e M+ _! C9 A' B5,600 kilometers) above the earth’s surface. Def Definition. DEF (1) Defense. (2) Demilitarization Enterprise Fund. DEFCON Defense Readiness Conditions. ' |3 G2 T/ [7 n" UDefended area : p' }9 M e2 Bcoverage Defended Asset List (DAL) , J$ ^9 G+ p0 G! VThe geographical region that the BMDS can protect from ballistic missile attacks ) h8 O U# H4 p3 `+ a% dwith a specified level of probability of negation. May be specified for a particular 0 `' I% k6 G9 l, H5 B& Cthreat type, launch point(s), launch regions, raid size, etc. $ T* a9 Y: ]8 kA ranked listing of facilities, forces, and national political items that require protection from attack or hostile surveillance. The list is compiled from Federal departments and agencies, Unified and Specified Commands, and the Armed Services to ensure National Security Emergency Preparedness functions. ! O9 M. E4 A1 C5 m# GMDA GLOSSARY, VER. 4.0 D 75 Defense Acquisition Board (DAB) The senior DoD acquisition review board chaired by the Under Secretary of Defense for Acquisition. The Vice Chairman of the Joint Chiefs of Staff is the 2 Q$ r" }/ B# n( {Vice-Chair. Other members of the Board are the Deputy Under Secretary of Defense for Acquisition and Technology, Service Acquisition Executives of the R% I. T" {5 t$ X: CArmy, Navy, and Air Force; the Director of Defense Research and Engineering; 1 {0 t5 G+ r9 \/ C7 o5 Qthe Assistant Secretary of Defense for Program Analysis and Evaluation; the & T6 W! r* ^4 HComptroller of the Department of Defense; the Director of Operational Test and Evaluation; the appropriate Defense Acquisition Board Committee Chair; and the Defense Acquisition Board Executive Secretary. Other persons may attend at / A N8 p) y3 y: M" K/ B8 Xthe invitation of the Chair. (See DoD Directive 5000.49, “Defense Acquisition # z+ A! n( F$ GBoard.”) Defense 8 ^6 w) u) R3 z+ u; @0 r4 w% wAcquisition Board Committee / w4 `) v& i8 ^$ I3 FAdvisory review groups subordinate to the Defense Acquisition Board. The 1 ^7 E2 o7 K! j; D9 LUnder Secretary of Defense for Acquisition determines the number of Committees. The purpose of the Committee is to review DoD Component programs prior to a Defense Acquisition Board review in order to make an independent assessment and recommendation to the Board regarding the program. (See DoD Directive 5000.49, “Defense Acquisition Board.”)

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Defense * M' v" v% q& W$ [6 RAcquisition 7 M& n# [3 l6 l* b# ^% @5 OExecutive (DAE) # ~/ _: ]% x1 @" pThe principal advisor to the Secretary of Defense on all matters pertaining to the ! e. w+ c2 ?6 e. m8 T% h$ bDepartment of Defense Acquisition System. The USD (A) is the DAE and the Defense Procurement Executive (DoD Directive 5134.1). Defense Acquisition % s! Z. ^0 t! n0 \5 j- jExecutive Summary (DAES) The DAE’s principal mechanism for tracking programs between milestone , T- S; M7 ^7 d" \: x4 Wreviews. Includes programs subject to the Selected Acquisition Report (SAR), and any non-SAR programs subject to review by the Defense Acquisition Board. Defense 6 d3 D0 q: n* L4 EEmployment Option (DEO) . ~$ v4 V o6 O f. j; o8 z9 DEngagement strategy provided to USSPACECOM component forces to achieve specific military objectives against a ballistic missile attack. It defines hostile target priorities, provides assets to defend, and allocates SDS resources to be employed. A number of DEOs may reside in a particular Preplanned Response 4 g4 q ^& M$ A- A; [Option (PRO). However, default DEOs (those believed to be best suited to # w. C, \7 B5 _& N3 F" [) ncounter the threat initially) will be automatically processed and executed when Defense Activation Authority (DAA) is given by USCINCSPACE. Defense i* L7 e/ p: b3 eEnterprise 0 i8 t% p O) N3 T \& B/ {8 K4 ^Program (DEP) . @, P: v u' YAn Acquisition program designed to streamline the acquisition process by waiver of selected regulatory requirements. # o" I- z' U2 K& vDefense In-Depth Locating mutually supportive defense positions in such a manner as to absorb and progressively weaken an attack, prevent initial observations of the entire 9 c$ [, s1 q: R* n$ }" nposition by the enemy, and allow the commander to maneuver his reserve. Defense Meteorological 2 U4 L! D; x, H: H: d* ~8 x' x. LSatellite Program (DMSP) Satellites designed to meet unique military requirements for weather information. " I2 s$ S" S! D/ `) o0 K3 eUsed to detect and observe developing cloud patterns and follow existing weather systems. Visible and infrared imagery are used to form threedimensional cloud-plural analyses of various weather conditions. ! F5 c4 B% ?- K2 D7 w0 nDefense Planning 5 c0 }6 p: t5 p) X0 \" Zand Resources Board (DPRB) + B7 y. {. _! k2 m. s: @A board, chaired by the Deputy Secretary of Defense, established to facilitate decision making during all phases of the planning, programming, and budgeting 3 i* F7 u8 C( y8 x5 \! ] wsystem process. Board members include the Secretaries of the Military Departments, the Chairman of the Joint Chiefs of Staff, the Under Secretaries of $ H: F8 |. P$ b9 VDefense for Acquisition and Technology, and Policy, the Assistant Secretary of Defense for Program Analysis and Evaluation, and the Comptroller of the 7 z2 T" @, Z# R- Y/ J& L& IDepartment of Defense. * K# L& I& _& O: X( D. WMDA GLOSSARY, VER. 4.0 D 76 4 i7 r/ v7 S1 M9 y3 o( [3 |/ `5 cDefense Planning Guidance (DPG) Document issued by SECDEF to DoD components providing strategic framework for developing the Service POMs. Result of planning effort by Joint Staff, OSD, and Services. In connection with two-year budget process, DPG is issued every other (even) year. Defense Priority and Allocation b# E8 D, o. o/ X2 I% {1 F4 P& Y1 HSystem (DPAS) The implementation of a statutory requirement where contracts in support of national defense must be accepted and performed on a priority basis over all other contracts, and which requires the allocation of materials and facilities in such a manner as to promote the national defense. See “DO” and “DX.” # f6 e+ A$ e" y- F! u% }Defense Readiness " X9 P4 r; @; p! \( H& LConditions ( H0 v0 e/ A- V* l(DEFCON) & x. M+ u+ Z2 y" V. w3 p1 TA uniform system of progressive alert postures for use between the Chairman of the Joint Chiefs of Staff and the commanders of unified and specified commands + _# C9 \+ R5 U: e2 F& Band for use by the Services. Defense readiness conditions are graduated to 8 I2 f& Z0 y/ g2 t+ Z# k7 ^" Amatch situations of varying military severity (status of alert). Defense Readiness Conditions are identified by the short title DEFCON (5), (4), (3), (2), and (1), as + Y+ @; r: P5 H J8 p) H% n2 k( wappropriate. Defense Satellite $ X' E) Y" q8 ^6 HCommunications Systems (DSCS) Advanced communications satellites in synchronous orbit around the earth. ! s# G+ u6 y1 gProvides high-capacity, super high-frequency (SHF) secure voice and data links 7 K5 H+ x2 ], m9 N& x% w8 Y! Y# M$ ]5 zfor the Worldwide Military Command and Control System (WWMCCS). They support terminal deployments for contingencies; restoration of disrupted service 7 L- k4 X' A8 f) K5 loverseas; presidential travel; global connectivity for the Diplomatic $ m3 @; Y$ M5 G1 O% @& M$ sTelecommunications Services; and transmission to the continental United States of some surveillance, intelligence, and early warning data. Defense Satellite (DSAT) Weapon . }3 F; P" G+ I. ]0 n+ \0 y6 r8 O, LA device that is intended to defend satellites by destroying attacking ASAT weapons. * ~% ]( ]) [: a- c7 wDefense Support Program (DSP) A system of satellites in geo-stationary orbits, fixed and mobile ground processing stations, one multi-purpose facility, and a ground communications network (GCN). DSP’s primary mission is to provide tactical warning and limited 8 s9 r3 L0 r+ u% o) N$ G9 w7 u# Oattack assessment of a ballistic missile attack. Defense Suppression - R/ H( w" w( ?2 k+ `" z( `& oTemporary or transient degradation of the performance of a defensive system below the level needed to fulfill its mission objectives, by an opposing force. ; i5 a( O& H" ~& k1 A' s(USSPACECOM) Defense Tier The arranging of a defensive system to correlate with the phases of a ballistic missile trajectory; i.e., boost, post-boost, midcourse, and terminal. Defensive Counter 4 s I5 D, U# R$ i" `Measures (DCM) % }) w& B+ F2 b" m. w3 g7 P1 t* DActions taken to eliminate an ASAT attack. Defensive . B4 ^3 ?+ u' t sTechnologies Study Team # E2 C8 n' i' Q(DTST) A committee, generally known as the “Fletcher Panel” after its Chairman, appointed by (former) President Reagan to investigate the technologies of potential BMD systems. DEFSMAC Defense Special Missiles and Astronautics Center, Ft. Meade, MD. - f# N0 b& h. c0 e8 DDEIS Defense Enterprise Integration Services (ex-DTIS). DEL Delivery. Delivery Error The inaccuracy associated with a given weapon system resulting in a dispersion : @: X& x& e+ O \. mof shots about the aiming point. See also Circular Error Probable. MDA GLOSSARY, VER. 4.0 D 77 * `0 p, H+ K8 k& L! }: hDelta-V A numerical index of the maneuverability of a satellite or rocket. It is the maximum change in velocity, which a spacecraft could achieve in the absence of " l7 Z& n& a' I& C4 `' X8 N/ `/ na gravitational field. 3 H, E0 a) Q: ^3 x4 }# B! n$ vDem/Val OBSOLETE. Demonstration and Validation (DD 5000 term). Demise Altitude Altitude at which object of interest (decoy, chaff, etc.) no longer performs its desired function (matching RV characteristics, screening RV, etc.) DEMO Demonstration. Demonstration and Validation (Dem/Val) $ q, ^* ~6 B2 t& a4 [9 F) }The acquisition phase when major program characteristics and product designs & F0 x: s- N! V$ [" n: \are refined through extensive study and analysis, hardware development, test, : z6 f( N( G/ W3 c4 i+ Eand evaluations. The objective is to validate the choice of alternatives and to provide the basis for determining whether or not to proceed into Engineering and Manufacturing Development (EMD). Denial Measure An action to hinder or deny the enemy the use of space, personnel, or facilities. 6 U4 q3 n2 A$ ^# i* u) |It may include destruction, removal, contamination, or erection of obstructions. DEO Defense Employment Option. / D; {6 M/ V1 j2 U3 ^2 \Department of 7 @. v5 u9 c4 H( I; R8 [Defense Acquisition System A single uniform system whereby all equipment, facilities, and services are planned, designed, developed, acquired, maintained, and disposed of within the 0 K' r4 V4 k4 M0 I) F/ vDepartment of Defense. The system encompasses establishing and enforcing 5 K! x/ B% E: o, N- E' e) zpolicies and practices that govern acquisitions, to include documenting mission needs and establishing performance goals and baselines; determining and prioritizing resource requirements for acquisition programs; planning and executing acquisition programs; directing and controlling the acquisition review 6 F! X' K' T4 t$ |process; developing and assessing logistics implications; contracting; monitoring " }4 `+ @3 M. v& f/ N, gthe execution status of approved programs; and reporting to Congress. (See ! a8 D% K) }! y6 W9 pDoD Directive 5134.1, “Under Secretary of Defense (Acquisition).”) Deployment (1) The placement of force elements in battle positions to obtain a higher state of readiness. (2) The movement required to place force elements in battle positions. 6 _4 s5 V8 |! h: J# Z$ w5 i(3) Fielding the weapons system by placing it into operational use with units in the field/fleet. 2 }( ?) \6 W3 _# d6 s3 f(4) To arrange, place, or move strategically. Deployment Planning (1) The development and maintenance of plans required to initially deploy, , a$ K* [% u7 P8 X8 h3 K: R( A% Kmaintain, and evolve the operational system in accordance with * r! X* o+ r4 l. j4 U$ p% kschedules and priorities. It includes factors such as launch facility availability and planning for the availability of other required elements # S, m# Q2 l0 `such as trained personnel or units. In addition, it identifies the impact of 1 \# W, O/ y3 \- s) ]deployment on operational readiness and any testing constraints & S j8 m* G; a% hassociated with deployment. 3 {& ]/ {% y% `- D2 V' w$ v(2) Encompasses all activities from origin or home station through 9 z1 K% A8 E; L5 fdestination, specifically including intra-continental United States, intertheater, and intra-theater movement legs, staging areas, and holding areas.

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Deployment ( Q" c( T Y5 l: k. F8 W t5 sTesting * M5 E+ v7 ?* U: R9 L# PThe testing and/or simulation of system assets in the physical and operational ) T/ x. k0 ^* ^1 [0 c' Tenvironment in which they are expected to perform. DepOpsDep Service Deputy Operations Deputies. : ?' ^$ p$ Q& `$ d( WMDA GLOSSARY, VER. 4.0 D ' V9 w% O5 h# d! X( P" p! {8 B78 , @/ A$ `4 H# z3 R* xDepressed Trajectory 8 [* m; o# _% X+ ]* ^1 D3 v5 LTrajectory with an apogee below that of the minimum-energy trajectory. DEPSCoR Defense Experimental Program to Stimulate Competitive Research. 3 B3 t3 k1 t& y& G' ]% Z# }. D, M$ jDEPSECDEF Deputy Secretary of Defense. ) s" V, }* I1 h, r7 _+ {, u# G/ EDeSecState Deputy Secretary of State. 9 o9 N7 x1 u; X& W+ l: }DERA Defense Evaluation and Research Agency. Consolidated research and development resources of the U.K. Ministry Defence. Headquartered in Farnborough, England. Derivative Classification A determination that information is in substance the same as information currently classified and the application of the same classification marking. $ [ J% X' O, r( N" E9 q! BDES Data Encryption Standard. 0 p9 ]) w% j& w0 tDESC Defense Electronics Supply Center (DLA term). 0 s3 r" J5 C* B8 o7 I6 \0 i TDesign Constraints Boundary conditions within which the developer must remain while allocating & D" Y9 p2 l) I- v. Fperformance requirements and/or synthesizing system elements. Design : J* d& |, E4 O4 y% ` C! F9 x# DParameters Qualitative, quantitative, physical, and functional value characteristics that are inputs to the design process, for use in design tradeoffs, risk analyses, and , b: ^7 l+ s( D9 a5 u( cdevelopment of a system that is responsive to system requirements. Design Phase A period of time in the software life cycle during which the designs for 0 y; o/ `8 {# qarchitecture, software components, interfaces, and data are created, 5 X" |. P8 t$ r# Z: A7 J1 Ndocumented, and verified to satisfy requirements. Design-to-Cost (DTC) Goal 6 x# j; B% X7 r% F6 C+ kManagement concept wherein rigorous cost goals are established during ) _* O: f. ` p2 odevelopment, and the control of systems costs (acquisition, operating, and support) to these goals is achieved by practical tradeoffs between operational capability, performance, costs, and schedule. Cost, as a key design parameter, is addressed on a continuing basis and as an inherent part of the development 5 R2 V8 n5 y9 C0 f/ Nand production process. A DTC goal should be in the form of average unit ' Y, g$ t7 @1 Lflyaway cost. Also, DTC parameters for operation and support will be selected—parameters that are design-controllable, significantly affect O&S costs, & {. @2 y, r6 C% k% i2 @8 n( Sand can be measured during test and evaluation. Parameters may be expressed in dollars or by other measurable factors, e.g., manpower, reliability, or maintainability. Firm goals and thresholds will be established no later than entry into EMD (Milestone II). This is an in-house goal, almost contractual in nature, between the PM (Service) and the SECDEF. Allocations from this goal will become the contractual DTC goals for contractors supporting the program. * J: i, W8 u8 lDet Detachment. DETEC Defense Technology Evaluation Code. Detector A passive IR, visible, UV detector turns photons into an electrical signal. The / L/ F7 p( T: h! O' [. aIFOV of the detector is its solid angular sub-tense. There is sometimes confusion between the detector sub-tense (size) and the pixel (picture element size). They are the same for a staring sensor, but in a scanner it depends on the array offset and number of samples per dwell. A pixel area is often only onesixth or one-eighth of a detector angular area. MDA GLOSSARY, VER. 4.0 D ! q3 c' @9 T" t0 E8 z6 M79 ; t- }2 |" h0 S% q2 b1 rDEV ENV Development Environment. Development / J4 k' e2 l3 DTest (DT) ! D$ \7 K3 R5 j" r* z ?7 y' b' qTest conducted by the development test organization to achieve specified test " c' L, I+ C2 t! Y! n- w6 J! O. Aobjectives. It may be a complete test, a subtest, or a phase of a test. 8 g: {3 f8 s# eDevelopment Test I (DT I) ' D6 K y/ A/ z$ G. V4 G7 C& ?+ N% ]% SA series of tests conducted during the demonstration and validation phase. + f. u- L. \9 n# H* m& J& C5 WComponents, subsystems, or the total (or full) system are examined to determine ; j+ k* _ U5 h% @! owhether the system is ready for EMD. State-of-the-art technology is addressed ' n( ?4 H/ y" ^8 t8 [9 Y! w0 vin DT I. # ~0 Q& i) v3 c1 G/ fDevelopment Test II (DT II) A series of tests, normally during EMD, which provide the technical data 6 I! P5 L$ N) M, ~5 fnecessary to assess whether the system is ready for low-rate initial or full production. It measures the technical performance and safety characteristics of & l5 Y9 |8 z5 S# sthe item and evaluates its associated tools, test equipment, training package, and maintenance test package as described in the development plan. DT II 3 u! C/ w6 U& W( Oaddresses accomplishment of engineering design goals and the fulfillment of 7 P$ G0 _; K) V0 i9 w( ^contract specifications. 2 p; X6 D# {$ \- ADevelopment ! U1 @; F0 h: ]+ X; cTest III (DT III) ! e- |$ B' f& u8 Q {4 _% C2 g& g2 cTests conducted during production. Development Test and 3 H/ i$ A0 W oEvaluation (DT&E) . X# V. e7 k( R( J. z: e& YTest and evaluation conducted to measure progress, usually of 7 S9 g) j% t( |- Dcomponent/subsystems, and the proofing of manufacturing processes and 7 u7 r9 K5 \( N# o5 F+ r3 ]controls and to assist the engineering design and development process and / p3 M/ S( a4 H' s; qverify attainment of technical performance specifications and objectives. Usually 1 c$ Z5 }% g5 f$ P% O+ X7 E6 l0 tconducted under controlled or laboratory conditions. Can be conducted before or after production begins. Development Test (DT) 5 @2 c' V8 Q7 j: [; ?: L1 U5 Q( QTest conducted by the development test organization to achieve specified test % e+ w# `/ N: D& hobjectives. It may be a complete test, a subtest, or a phase of a test. Deviation Criteria Limits established beyond which a Program Manager may not trade-off cost, schedule, or performance without authorization from the milestone decision authority. Acquisition Program Baseline (APB) thresholds represent these parameters. Devolution of Command % e" G0 O& ~- k; T9 {* V& h8 gMinimal essential operational capability to perform C2 provided in an orderly and / q2 v' F9 V. W! k0 ]2 otimely fashion to a duly authorized successor. DEW (1) Directed Energy Weapon. (2) Directed Energy Warfare. DEW/D Directed Energy Weapon/Discrimination. ! U% ]" }. T$ Z! G* z3 KDEWG, O Directed Energy Weapon Ground, Orbital 1 l- D' e+ d3 \3 |6 xDEWL Directed Energy Weapon, Laser (thermal or impulse). , K% ^8 o7 ^9 m( u# z& lDEWP Directed Energy Weapon, Particle Beam (neutral or charged). DF-KBS Data Fusion Knowledge Based System. 1 k3 P$ ~5 D. T6 V& aDF2 Deuterium Fluoride. DFAR Defense Federal Acquisition Regulation # m. \* X. J0 q2 X9 c* j7 n1 MDFARS Defense Federal Acquisition Regulation Supplement. 9 g3 u: ~% A( ~4 ~3 YMDA GLOSSARY, VER. 4.0 D 80 : j* a6 R2 w X: F, r" x- N- [DFAS Defense Financing and Accounting Service. 8 l1 t4 S2 C3 k) W' W. GDG OBSOLETE. Defense Guidance. See Defense Planning Guidance. DGA Director General of Armaments (France). DGP Defense Group on Proliferation. DI (1) Data Item. (2) Developmental Item. DIA Defense Intelligence Agency. * a4 u; A, e3 Y* nDIAC Defense Intelligence Analysis Center. DIAM Defense Intelligence Agency Manual % ^- D& i6 `0 t; Q6 z: r3 _Diameter (Optics) The unit of measure of the light gathering power of a lens. DICE Digital Integrated Combat Evaluator. DID Data Item Description. 5 m S# R/ g8 e$ QDiffraction The spreading out of electromagnetic radiation as it leaves an aperture. The angle of spread, which cannot be eliminated by focusing, is proportional to the ratio of the wavelength of radiation to the diameter of the aperture. # l* y! |5 `: oDigital : ^- X# q0 U! L/ s0 y2 ?Processing The most familiar type of computing, in which problems are solved through the mathematical manipulation of streams of bits. * k# t8 M: j! T0 O* Y7 B& qDII Defense Information Infrastructure Dip A period of significantly decreased RCS signatures of an RV at low altitude (6 to 12 km) between wake termination and de-sheathing. DIPS Dynamic Isotope Power System (which provides up to 10 kW of power). DIR Director. - ]) W- q h1 @$ P( L, w5 zDirect Air Support Center + o+ |) J, W$ R) \6 j2 YA subordinate operational component of a tactical air control system designed Y' @& x# F6 |for control and direction of close air support and other tactical air support operations, and normally collocated with fire support coordination elements. % k$ z! V( W7 FDirect Cost Any cost that is specifically identified with a particular final cost objective. Is not necessarily limited to items that are incorporated into the end product as labor or 3 V: N* `. S1 |- e! @% ?material. Direct Labor Labor specifically identified with a particular final cost objective. Manufacturing direct labor includes fabrication, assembly, inspection and test for constructing the end product. Engineering direct labor consists of engineering labor such as reliability, quality assurance, test, design, etc., that is readily identified with the 0 g/ W2 c" T/ H& N2 h$ W+ kend product. 1 E% U1 O8 @" t0 R' v/ iDirected Energy $ e* _" u6 ~6 c$ y9 f(DE) 1. Energy in the form of atomic particles, pellets, or focused electromagnetic 9 E, u& e4 f4 g( j# |beams that can be sent long distances at, or nearly at, the speed of . o d& }( O- N1 @! Xlight. 2. An umbrella term covering technologies that relate to the production of a beam of concentrated electromagnetic energy or atomic or subatomic particles. . Y% @7 }1 A$ c' j3 k3 [8 k+ j8 rMDA GLOSSARY, VER. 4.0 D 5 x! c, ?# j0 ?0 K5 u: j/ I81 - @* D9 D( v: h) ~/ C* }+ WDirected Energy 7 l9 {8 M" S4 v5 aDevice ( f! l' Z7 X5 ]. g) v) DA system using directed energy primarily for a purpose other than as a weapon. Directed energy devices may produce effects that could allow the device to be used as a weapon against certain threats, for example, laser rangefinders. : o7 l. r% p; bDirected Energy ' M& Q0 \7 e7 W$ |' v0 YWeapon (DEW) A system using directed energy primarily as a direct means to damage or destroy : { H! j5 A) p6 Ienemy equipment, facilities, and personnel. DIRLAUTH Direct Liaison Authorized. DIRNSA Director, National Security Agency. N; U) z6 ?& F8 C2 R7 o# wDIS (1) Distributed Interactive Simulation. (2) Defense Investigative Service. DISA Defense Information Systems Agency, Washington, DC. (Formerly known as $ c3 i' B% Y' W! I+ ~7 @Defense Communications Agency). DISCO Defense Industrial Security Clearance Office DISCOM Division Support Command (US Army term). Discretionary 2 O. X+ Y* T. C8 ~% cJudgment The authority given USCINCSPACE or his duly authorized representative to perform actions not covered by the ROE.

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DISCRIM Discrimination 0 A6 I$ e) k, MDISN Defense Information System Network (DISA term). DISSP Defense-wide Information Systems Security Program. % R, P# x3 h1 i% TDISUM Daily Intelligence Summary (JFACC term). DITDS Defense Intelligence Threat Data System. DITP Discriminating Interceptor Technology Program. The objective of DITP is the development of advanced interceptor seekers to counter advanced threats. DITP will integrate passive and active sensors into an interceptor seeker that ! s" v# d6 r( Fintegrates data fusion processors, multicolor infrared sensors, and LADAR. DTP ) p! ]. X4 N, }$ v/ Nflight demonstrations will involve the tracking and interceptor on-board 5 [3 B3 T' I1 c# }discrimination of targets of opportunity while providing fusion processor data 6 S+ S! i+ [( N( |8 x, v4 f$ Ntelemetry. (See also ASTP). , ?! l$ G4 R$ w2 K+ |. VDIVARTY Division Artillery (US Army term). DIW Defensive Information Warfare. & Z8 c* U* \& l3 [DLA Defense Logistics Agency, Alexandria, VA. DLSC Defense Logistics Services Center (Battle Creek, MI). 5 M: `. L. Y! |0 s" `. s. bDM Data Management e9 a4 L O9 R$ V$ wDMA Defense Mapping Agency, Fairfax, VA. & d/ z1 d: C: _% X- R% _DME Distributed Management Environment. DMI Dual-Mode Interceptor. ; Q- j. j( d4 f4 NMDA GLOSSARY, VER. 4.0 D & l g+ R% q7 x; k. o82 ! k+ L5 V% d* @1 @+ l5 |DMRD Defense Management Review Decision. + k9 B. V9 t* c. a; D BDMS (1) Defense Message System. (2) Dissimilar Mission Simulator. DMSO Defense Modeling and Simulation Office (OSD). ) d6 H$ I9 {- X' TDMSP Defense Meteorological Satellite Program. DMU Disk Memory Unit. + F5 W" ?. U, h E$ x" YDNA Defense Nuclear Agency, Alexandria, VA. ) _+ w) J0 J: W' H0 s9 nDNMS Distributed Network Management System. + K- N3 ]# a) d0 Q: L A5 `" sDNSIX DoDIIS Network Security Information Exchange ' ^' c- A7 r# l R- W3 l7 WDNSO Defense Network Systems Organization. 9 V- L/ N4 b1 T! o5 V+ i5 rDO The lowest rating under the DPAS. All “DO” orders take preference over unrated orders to meet a required delivery date. 5 ]( `7 y8 l( J# ]Doc Document & j& [ p7 d9 h1 {7 uDOCPREP Documentation Preparation. 9 t) w( M# t/ c1 u0 c( t8 L2 oDoctrine Fundamental principles by which the military forces or elements thereof guide their actions in support of national objectives. It is authoritative but requires judgment in the application. See also Combined Doctrine. DoD Department of Defense : o5 W; y+ v4 I. m: IDoD Component 5 j y1 \3 C. g- A2 E* o# P) D7 aAcquisition / _9 h* d$ u, m* z7 L" CExecutive & f$ \4 A j0 H& `A single official within a DoD Component who is responsible for all acquisition functions within that Component. This includes Service Acquisition Executives 6 I1 H+ p0 J$ h+ Mfor the Military Departments and Acquisition Executives in other DoD Components who have acquisition management responsibilities. DoD Components The Office of the Secretary of Defense; the Military Departments; the Chairman, Joint Chiefs of Staff and Joint Staff; the Unified and Specified Commands; the $ A& P! Q+ y; H6 l( UDefense Agencies; and DoD Field Activities. / o [) S" f$ P$ MDoDD DoD Directive. DoD Directive Y* V3 t: b) R5 M$ s- @5000.1 “Defense Acquisition.” The principal DoD directive on acquisition. It establishes policies, practices and procedures of governing the acquisition of defense x$ E4 N6 M+ N* f6 A* y/ ?/ Tacquisition programs. / g7 m9 x, u8 n, N$ U( G* Z, gDoDI DoD Instruction. 1 ~& T9 F& x q [8 p8 ?DoD Instruction 5000.2 4 z8 P" c/ H5 t- T% l! y5 h“Defense Acquisition Management Policies and Procedures.” Implements DODD 4 f- h* U; N. B5000.1. DoDIIS DoD Intelligence Information System. ; l, W% T, K# M3 j. |DoDISS DoD Index of Specifications and Standards. DoD-M DoD Manual. MDA GLOSSARY, VER. 4.0 D * B: z3 {" l( l0 @83 DoDR Department of Defense Regulation. 7 F' a; ~$ S: ` cDOD-STD Department of Defense Standard. 0 g- j: Z# K! F) q* FDoE Department of Energy. DOF Degrees of Freedom. Dog House Large Soviet A-frame radar used as a component of the Moscow ABM system 4 |8 n8 Q7 `6 U! {% _' V4 y) P9 ahaving a detection range of approximately 3000 km. It is believed to provide battle management for the totality of Moscow defenses. 5 }& I2 Z* V/ x8 jDOP (1) Degree of Protection. (2) Depot Overhaul Point (ILS term). 9 D) O& z; P& H) t/ B! h2 J% dDOPAA Description of Proposed Actions and Alternative (environmental term). Doppler Effect The phenomenon evidenced by the change in the observed frequency of a . t8 Q. G0 _$ n8 jsound or radio wave caused by a time rate of change in the effective length of the path of travel between the source and the point of observation. DoS Department of State (US). 8 I9 Z# [/ U1 ~. z: f( [DOS Disk Operating System (TelComm/Computer term). + D) A1 j# d. LDoT Department of Transportation [US]. 3 F1 }: C: v7 [/ ^- E& nDOT Designated Optical Tracker. + Z+ h' z" }) u" f/ M, _* Y6 ODOT&E Director, Operational Test & Evaluation. DOTH Defense of the Homeland. Down Select To reduce the number of contractors working on a program by eliminating one or , I. [) C$ }) E1 j$ A. umore for the next phase. ) `5 V$ D/ ~) \* L, q( i- h2 _DP (1) Data Processor. (2) Decision Point. (3) Deployment Planning. 9 V6 Z' }) w( Q! r/ I7 ~DPA Defense Production Act. : P3 V, ?3 V6 oDPA&E Director, Program Analysis and Evaluation. DPAS Defense Priority and Allocation System. DPAT Dynamic Program Analysis Tool. # B0 S# d$ X3 N( d6 U& X) g4 lDPB Defense Policy Board. 1 k4 g' L: d; P f- c* ~DPG Defense Planning Guidance. g6 {( x- P zDPM Deputy Program Manager. DPML Deputy Program Manager for Logistics DPP Distributed and Parallel Processing (Computer term). DPR Defense Performance Review. & @$ A' D3 Q5 g5 \+ H6 @& YMDA GLOSSARY, VER. 4.0 D 6 I! c' C1 r% m2 H& X84 ) X6 T& ?0 b+ QDPRB See Defense Planning and Resources Board. DPRK Democratic People’s Republic of Korea (North Korea). DPRO Defense Plant Representatives Office. DPSSL Diode-Pumped Solid State Laser. DR Deployment Review. DRAM Dynamic Random Access Memory. Draw-down Curve A method used to encapsulate the overall performance of a BMD system that ( i# a; a+ G. _) W Qplots the probability of survival on the vertical axis versus the number of attacking RVs on the horizontal axis. Used in conjunction with attack price, they are the most important expressions of a BMD capability. $ e' _" V p7 m5 V+ v4 oDRB Defense Resources Board. DREN Defense Research and Engineering Network. - F7 R/ t+ x5 GDRFP Draft Request for Proposal. o. t6 A' X9 vDrift In ballistics, a shift in projectile direction due to gyroscopic action that results from gravitational and atmospherically induced torques on the spinning projectile. 9 Q( ^0 R1 u" t0 IDRM DAB Readiness Meeting (DD 5000.2 term). Drone A land, sea, or air vehicle that is remotely or automatically controlled. See also Remotely Piloted Vehicle. DRP (1) Deployment Readiness Plan (US Army term). (2) Deployment Readiness Program. 5 S. d- u2 m& ?- a# T/ P" `( \DRR Digital Receiver Replacement (USN term). 4 E! g! v3 `% L3 ~( c( I2 p. [DS Deep Space. 6 `. S/ `( y2 hDS-1 Category of telecommunications circuit capability. ' O% j- L3 h- p9 N8 {* TDS-3 LAN Category of telecommunications circuit for a Local Area Network. DSAA Defense Security Assistance Agency (OSD). DSAT Defense Satellite Weapon. 8 [. D2 y: `( q5 l) T" A/ JDSB Defense Science Board. 4 y; C& ~2 l! `& B/ r# }2 CDSCS Defense Satellite Communications Systems. 5 U9 m7 Y C n( WDSCS-3 Defense Satellite Communications System Three. DSCSOC Defense Satellite Communications System Ops Center. DSI Defense Simulation Internet MDA GLOSSARY, VER. 4.0 D / J3 s& ^: l6 W: O; ?85 + w* m9 q* g) hDSIS (1) Defense Special Intelligence System. (2) Defense Simulation Internet ) o' G' @2 G- [ m* zSystem. DSM Decision Support Matrix - `3 X( R, i, E+ q! a: s7 `( e' H0 VDSMAC Digital Scene-Matching Area Correlation. 9 u" t6 }, n0 F, g# [& l8 ?DSMC Defense Systems Management College. DSN (1) Defense Switched Network (formerly AUTOVON). 3 t- o# K& ]% |# j9 L, S(2) Deep Space Network (NASA term). 8 x1 O3 k+ }" F" B) I# g1 \7 pDSP (1) Defense Support Program. (2) Defense Standardization Program. - n3 y0 c& e+ u. {- KDSPRTM Defense Support Program Real-Time Model. DSR Data Set Ready (TelComm/Computer term). 1 q+ D( z# M8 Y3 z$ _: U9 C! S( o) gDSRCE Down Scooped Radio Control Equipment (TelComms term). DSS (1) Defense Supply Service. (2) Digital Signature Standard. DST Defense Suppression Threat. # G, |9 F7 X( c6 A7 c* n7 zDSTAR Defense Strategic and Tactical Array Reproducibility. DSTO Defence Science Technology Organization (Australia). DSU Digital Service Unit (Telecomm/Computer term). DSWA Defense Special Weapons Agency, Alexandria, VA. DSWA is the successor to the DNA. 6 K- C8 O) P! Q! X1 O8 g( E+ Q3 ~DT (1) Discrimination Technique. (2) Development Testing. (3) See Development Test I, II, III. 7 S% O7 F+ S% d9 |* X6 z(4) Down Time (ILS term). # J% @9 I% s/ E8 F(5) Depressed Trajectory. (6) Dedicated Target. ( _3 L' F+ F7 hDT&E Development Test and Evaluation. 0 q, _2 B* ?9 f K, P+ X( \0 wDT/OA Development Test/Operational Assessment. 4 i+ ?& j# K* A9 {2 ?+ u) uDT/OT Developmental Test/Operational Test. 0 K# f6 z8 b3 b. r aDTAP Defense Technology Area Plan. 9 h' T. l2 k: l, p* HDTC Design-to-Cost. DTD Digital Transfer Device (TelComm/Computer term). DTE Data Terminal Equipment (TelComm/Computer term). DTED Digital Terrain Elevation Data. % N- @4 G7 b* E4 H$ Q" JDTIC Defense Technical Information Center, Alexandria, VA. ) J) \) {" l( G! kMDA GLOSSARY, VER. 4.0 D + Y. y1 w: s# v9 b0 \6 T8 R86 DTIS Defense Technical Information Services (now DEIS). 4 b8 A- Y3 w) rDTLCC Design to Life-Cycle Cost. 5 B& M6 z. ?! y* `0 m6 R; eDTLOMS Doctrine, Training, Leadership, Organization, Material, and Soldiers (USA BCBL " _1 u) Q6 z3 j9 Z& zterm). DTLS Descriptive Top-Level Specification. DTMF Data Tone Multiple Frequency (TelComm/Computer term). 2 t6 k+ u: H- J% f$ ~6 A7 O+ LDTO Defense Technology Objectives. , U; ]& c4 ^2 ]; U8 fDTOC Division Tactical Operations Center. # _6 _ u! x( I; r6 v% z" D% CDTR (1) Demonstration Test Round. (2) Development Test Round. / V! w1 ^( G6 W7 n- {$ bDTRM Dual Thrust Rocket Motor. DTSA Defense Technology Security Administration. DTSE&E Director, Test Systems Engineering and Evaluation. - f+ C5 ] F7 I8 ~1 |! KDTST Defensive Technologies Study Team. ' R$ x& p" B1 A6 V9 l' I3 y8 TDTT Design-To Threat ; L& B( t9 j# A7 aDTWT Dual Traveling Wave Tube (Electronics Engineering term). . l5 v8 L- [ n, y0 XDU Depleted Uranium. DUA Design Upgrade Assessment. Dual Source Two contractors producing the same components or end items for the same 0 K5 y- \( Z8 ^! t+ O2 Wprogram. 2 s. J: c9 J2 j% mDUNDEE Down Under Early Warning Experiment (MDA/DSTO term). DURIP Defense University Research Instrumentation Program. DUSD Deputy Under Secretary of Defense. DUSD (ES) Deputy Under Secretary of Defense (Environmental Security). 8 P1 W( F" _% r' hDVAL Demonstration Validation. DX The highest rating under the DPAS. It takes preference over all other rated and not rated orders on a contractor’s production line. The BMD program carries a 3 ]. r! p- N& ^2 d3 s% A* @“DX” rating. MDA GLOSSARY, VER. 4.0 E

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87 E East E2 I See Endo-Exoatmospheric Interceptor. 8 A" V' e. {) s9 jE2SRD Effectively Two-System Requirement Document. E3 (1) Electromagnetic Environmental Effects. (2) Electrical, Electronic, and Electromechanical. E Spec Materiel Specification. EA (1) Environmental Assessment. (2) Engagement Authorization. (3) Executing Agent. 1 S* U; o+ |. n% C7 A(4) Evolutionary Acquisition. (5) Environmental Analysis (environmental term). (6) Executive Agent. EAC Estimated Cost at Completion. EAD (1) Engineering Analysis and Design. (2) Extended air defense. EAD/D Engineering, Analysis, Design and Development. EADSIM Extended Air Defense Simulation. EADTB Extended Air Defense Test Bed. An object-oriented simulation tool allowing users to model military response to airborne and ballistic missile threats. 3 K b0 r+ q4 i7 `3 ~3 TEADTBP Extended Air Defense Test Bed Program. EAGLE Extended Airborne Global Launch Evaluator. * ]# `3 i9 Y7 t5 {; IEAM Emergency Action Message. % ]0 U% r Z3 ^2 rEAR Export Administration Regulations. $ e& C# Y _2 B& u( z# SEarly Operational Assessment 7 ~7 k3 i, k: i6 {, V3 m9 KAn operational assessment conducted prior to, or in support of, Milestone II. Early User Test (EUT) $ g% `# i; d) n: U, U( oA test employing representative users to examine materiel concepts, training or / H3 P1 I2 N2 V* m/ ^. D* ]5 elogistics planning, or inter-operability issues. EUT can be accomplished during % z9 @8 j( ]) y8 UDEM/VAL on brassboard configurations, experimental prototypes, or surrogates 5 r# h; Q+ W' N$ G3 r6 s' q2 pto provide data leading to the decision to enter full-scale development. n" S1 L6 n3 y; BEarly Warning (1) Early detection of an enemy ballistic missile launch, usually by means of , j0 l' x# @6 i9 f$ p$ Nsurveillance satellites and long range radar. 3 D; \! K3 x0 O$ M(2) Early notification of the launch or approach of unknown weapons or weapon carriers. 2 d: L' A2 h! r9 sEarth Limb The apparent outer edge of the earth as viewed from space. Eastern Test Range (ETR) ( z/ B+ K0 |! GBeginning at Patrick AFB, FL, this range stretches halfway around the globe where it meets the Western Test Range. An array of launch complexes, sensors, and tracking sites make up the Eastern Test Range. The ETR is now operated ' |7 G1 \) d* V! cby AFSPACECOM as shown in WTR definition. " \/ l. Z/ [ b* G. y: b2 F0 @MDA GLOSSARY, VER. 4.0 E 88 % j" s1 g4 j3 l' ?. n' x3 wEB (1) Electron Beam. (2) Enhanced Blast. ' q2 ]. l4 q8 xEBB Electronic Bulletin Board. EBCDIC Extended Binary Code Decimal Interchange Code. 0 Z2 U; E1 a* ]3 V0 ~# q7 `; z$ iEBW Electron Beam Welding. EC (1) Electronic Combat. (2) Error Control. # T+ n( D8 v& ^(3) OBSOLETE. European Community. Now known as the European Union (EU). EC/EDI Electronic Commerce/Electronic Data Interchange ECAC Electromagnetic Compatibility Analysis Center. ECB Engineering Change Board. 9 i! @2 H; x. w F7 fECC (1) Equipment Control Center. (2) Element Control Center (USAF term). " f" b$ k7 b! l2 g3 yECCM Electronic Counter-Countermeasures. ECDs Element Control Directives. ECLS ERINT Command and Launch System. ECM Electronic Countermeasures. 3 n; p+ R1 v8 G( QECN Engineering Change Notice. ECO Engagement Control Orders. ECP (1) Engineering Change Proposal. (2) Emergency Command Precedence. ECPMO Electronic Commerce Program Management Office. ECS Engagement Control Station (PATRIOT). ECU Environmental Control Unit. EDAC Error Detection and Correction EDGES Electronic Data/Guidelines for Element Survivability. $ V5 |7 J) x& P: v. YEDL Electrical Discharge Laser 3 l* x8 k6 H' N6 p ?% A1 tEDM Engineering Development Model. 1 [) w% t- v3 y7 k+ C' t YEDP Engineering Development Process ; Z5 \& k2 W( t" t) ^EDR Embedded Data Recorder (PATRIOT). 4 a ^% \! n: k i5 Q: k# \! AEDS Electronic Data Systems Corporation EDWA Engagement Determination and Weapons Assignment (PATRIOT). MDA GLOSSARY, VER. 4.0 E % K4 I. m& L6 Q89 EDX Exoatmospheric Discrimination Experiment EE (1) Electrical Engineering. (2) Engineering Estimate. EED Electro-Explosive Device. EEEV End-to-End Experimental Version. ' g I( @8 o# S6 FEEFI Essential Elements of Friendly Information. EEI Essential Elements of Information. EEIC Element of Expense Investment Code. EELV Evolved Expendable Launch Vehicle (USAF term) " F) f o) Y9 o% {' X T8 x; l% C+ hEEU Electronic Equipment Unit. EFEX Endo-Aeromechanics Flight Experiment. EFF Electronic Frontier Foundation. - [6 i/ Y! d" E7 M: T( y! a( bEffectivity A designation given to the BMDS configuration and demonstrated capability at 8 B2 n# S" Q% La point in time, becoming effective at each increment when an element or 4 l2 ]; Y! j* g# S) {! Hcomponent is inserted into a particular Block. Effective Damage That damage necessary to render a target element inoperative, unserviceable, nonproductive, or uninhabitable. ! ]" _8 Y8 ?% SEffluent Plume The pathway of movement of effluents through surface water or air. Q! H+ r' S' |3 I6 cEFP Explosively Formed Projectile. # ^/ S! y2 M& U) O5 X! x1 yEGP End Game Processor. # i& X" S% k' q' Y3 WEGTR Eglin [AFB] Gulf Test Range. EHC Enhance Hit Capability (USN term, related to SM2 Block IVA). 8 D0 q) n N0 O( C3 S, ]3 yEHF Extremely High Frequency. * x3 ]5 m! \$ F. nehp Equivalent Horsepower. EIA (1) Environmental Impact Assessment. ; q* {) e2 W1 L3 A J1 m(2) Electronic Industries Association. EIAP Environmental Impact Analysis Process. * K; @4 ~+ ]* I8 s* j+ }; z$ ?EIP Exoatmospheric Interceptor Propulsion. + N0 [/ j; _" R4 X8 t3 r( z4 H5 EEIPC Electronic Information Privacy Center. 0 @6 ~7 E8 X7 |) Q |4 fEIPT (1) Element IPT. (2) Engineering IPT. EIS (1) Environmental Impact Statement. (2) Explosive Initiation System. ) t+ W4 m! k/ ?+ f/ \EISA Extended Industry Standard Architecture (Telecomm/Computer term). 4 _5 E% f, V# N1 q1 Q8 }, KMDA GLOSSARY, VER. 4.0 E 8 \ n4 G& \/ s' E0 a+ m5 z" v; V90 / h5 [( p) r1 T" ]# _: LEKV (1) Electromagnetic Kill Vehicle. (2) Exoatmospheric Kill Vehicle. ) x$ i2 w3 i8 _Elastic Range The stress range in which a material will recover its original form when the force : B6 C. g$ y5 O6 [, X6 \. g( h(or loading) is removed. Elastic deformation refers to dimensional changes % X+ w' Z( }3 K) qoccurring within the elastic range. Electro-Optics Infrared (EO/IR) 5 |; K6 O# x0 t$ wTechnologies/techniques employed by optical sensors in the wavelength spectrum slightly longer than visible but shorter than radio. & |( L$ ?" E0 P7 U9 m, D$ T" VElectromagnetic Compatibility $ z' e1 y+ O6 @( g0 `" H(EMC) A condition when all electromagnetic emissions from electronic, electro-magnetic, , l, T3 N# ?0 a: o1 s/ `5 f4 Rand electro-optical components of a system interact without interfering with one / e9 z9 F: N6 R0 q+ Janother. 0 d+ y3 |& d/ _8 s6 J; b) h3 A4 I! FElectromagnetic 5 q4 w8 }" a' l( lEmanations 0 g! Z- T0 x2 X! nSignals transmitted as radiation through the air, through a vacuum, or through 1 I' y( @) [" J. ?" [( X( Uconductors. % g) |7 t3 X- {Electromagnetic Field (EMF) An electric or magnetic field or combination of the two, as in an electromagnetic wave. Created by electric charges in motion, having both electric and magnetic components oriented at right angles to one another and containing a definite amount of energy. ) N1 @ Z$ A2 M; c( Q' nElectromagnetic / M6 ]* n7 [# {$ F, Q% O) _Gun (EMG) A gun in which the projectile is accelerated by electromagnetic forces rather than + ~) [6 z9 y. ?* k7 M3 R. jby an explosion, as in a conventional gun. Electromagnetic Interference (EMI) ) h: b" o6 ^$ K1 K" ]4 E7 M8 v( DAny electromagnetic disturbance that interrupts, obstructs, or otherwise degrades or limits the effective performance of electronics/electrical equipment. " M* h/ D$ [6 V% e _" FIt can be induced intentionally, as in some forms of electronic warfare, or unintentionally, as a result of spurious emissions and responses, intermodulation products, and the like. Electromagnetic Pulse (EMP) The electromagnetic radiation from a nuclear explosion caused by Comptonrecoil electrons and photoelectrons from photons scattered in the materials of 8 S2 ^+ x& `& cthe nuclear device or in a surrounding medium. The resulting electric and ]; n5 E. o, E7 s& m) W2 Nmagnetic fields may couple with electrical/electronic systems to produce K* R( P/ }- t0 p5 f5 ldamaging current and voltage surges. May also be caused by non-nuclear means.

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Electromagnetic Radiation (EMR) 5 X6 j& S! ]0 q" U(1) A form of propagated energy, arising from electric charges in motion that ) ? Z* t/ M5 c, cproduces a simultaneous wavelike variation of electric and magnetic 6 w5 P7 j; @' _) yfields in space. The highest frequencies (or shortest wavelengths) of such radiation are possessed by gamma rays, which originate from processes within atomic nuclei. As one goes to lower frequencies, the electromagnetic spectrum includes x-rays, ultraviolet light, visible light, infrared light, microwaves, and radio waves. (2) Radiation made up of oscillating electric and magnetic fields and propagated with the speed of light. Includes gamma radiation, X-rays, 8 G7 U f" T, Z3 Z2 @ultraviolet, visible, and infrared radiation, and radar and radio waves. Electromagnetics Application of electrical, electronic, and magnetic phenomena to develop devices , R, ^& K5 z; Kused in system/subsystem design, excluding employment in the RF spectrum. 6 R2 j' X1 K$ Y, k* O# ZElectromagnetic Spectrum The range of frequencies of electromagnetic radiation from zero to infinity. It is % l+ {9 D3 n% ddivided into 26 alphabetically designated bands. ! O3 ^& ~9 |. y ?0 }MDA GLOSSARY, VER. 4.0 E * r. x$ [% h, K91 x+ L2 s% M: h9 T6 ?( AElectronic Counter- Countermeasure s (ECCM) 7 C# u8 \" p0 Q" h( eThat division of electronic warfare involving actions taken to insure friendly ; V9 p9 c6 C$ oeffective use of the electromagnetic, optical, and acoustic spectra despite the % |! [8 ~# Q8 A* Venemy’s use of electronic warfare to include high power microwave techniques. . H% J$ C. ~- u( VElectronic Countermeasure (ECM) That division of electronic warfare involving actions taken to prevent or reduce an enemy’s effective use of the electromagnetic spectrum. Electronic Industries # y/ O: Z0 F* SAssociation (EIA) A standards organization specializing in the electrical and functional characteristics of interface equipment. " U n/ d0 [& S: C# cElectronic + a, u- c M5 b7 {) u4 T oWarfare (EW) Any military activity involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. The three major 0 j3 ~6 j. p6 ysubdivisions are: S7 J" F' g- a1 ~! {& j•Electronic attack – Involves the use of electromagnetic or directed energy to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability. Also known as EA. ' Z+ U2 T6 K. G* y6 U9 W* I6 a. zIncludes: 1) actions taken to prevent or reduce an enemy’s effective use of ) k' T' J5 g, {' T; H) d0 U) zthe electromagnetic spectrum, such as jamming and electromagnetic * U* G( ]/ V9 V6 t6 N/ }8 i/ W2 xdeception, and 2) employment of weapons that use either electromagnetic or ; v% z$ c% a* m% Jdirected energy as their primary destructive mechanism (lasers, radio frequency weapons, particle beams). ) B0 r+ s: H* G% Y4 v9 A- u•Electronic protection -- Involves actions taken to protect personnel, facilities, 7 s- ` ]$ w; N+ v7 v& Land equipment from any effects of friendly or enemy employment of 5 h4 J9 |/ g; _- W' Y+ ?electronic warfare that degrade, neutralize, or destroy friendly combat ! _* q$ h9 }4 d) A# M2 Jcapability. Also called EP. •Electronic warfare support – Involves actions tasked by, or under direct 8 v; l% I3 p" o( D; I# Vcontrol of, an operational commander to search for, intercept, identify, and locate sources of intentional and unintentional radiated electromagnetic energy for the purpose of immediate threat recognition. Thus, electronic warfare support provides information required for immediate decisions ! p8 S5 y! P4 q4 i/ f- binvolving electronic warfare operations and other tactical actions such as threat avoidance, targeting, and homing. Also called ES. Electronic 4 Y& x: P h0 t1 {+ iWarfare (EW) Environments Electronic warfare environments result from radar and communications jamming : G7 }5 l% i( I. f( V. n* Z# cand other related electromagnetic countermeasures and countercountermeasures. Currently, radar jamming is the sole EW threat for the NMD system. Electronics Intelligence " e$ |+ H/ z# M1 g2 x(ELINT) 0 w0 i6 C3 e0 Y: `7 VTechnical and geo-location intelligence derived from foreign non-communications electromagnetic radiations emanating from other than nuclear detonations or : [7 y, Q9 k) b C" Uradioactive sources. Electronics Security (ELSEC) ; A( i; h B$ uThe protection resulting from all measures designed to deny unauthorized & V+ t$ C* w; {) e; z( }persons information of value that might be derived from their interception and study of non-communications electromagnetic radiations, e.g. radar. 4 Y7 ?: L" c8 S" ?4 |* N1 lElectro-Optics Infrared (EO/IR) ; z3 C; H1 \) }8 dTechnologies/techniques employed by optical sensors in the wavelength . E9 {# e. v6 k3 Vspectrum slightly longer than visible but shorter than radio. }4 ~3 M. M' Z4 ^) U- R8 }, sMDA GLOSSARY, VER. 4.0 E 0 D+ }7 P ~$ }' ]# v9 K9 S4 f92 Element A complete, integrated set of components capable of autonomously providing ; v" @- K i Q/ NBMDS capability. Element ( d6 w7 q: Z8 j) B8 H% p: yCapability 2 p9 x& u3 I7 G( _Specification (ECS) 4 _! q+ }* c3 \0 dA document that identifies the element-level BMDS capabilities and ) I; L2 n* R* @# ~/ n; V6 Tspecifications necessary to achieve the system capabilities identified in the SCS. + p% C! P8 [! y; }# h; hThe ECS further defines the SCS-apportioned mission/technical performance capabilities and allocates these capabilities to the element’s components. Element Control 4 H# x2 J i; P! zDirectives (ECDs) The command and control data instructions to control the conduct of the c# e$ g+ w8 ^: jengagement. ECDs are developed by command and control software based upon variable parameter input by the operators (both pre-planned and real time), : |& K7 C( V. k) G$ Zand operator defined rule sets embedded in the software. The individual battle management processors use these instructions to accomplish the assigned tasks & v! o- u3 D" w8 Tfrom the operations order. ECDs are contained within a Task and represent the , W5 D1 U, z4 z) y! s- `9 \form of parameter values that influence the resource management processes of Weapon Target Assignment (WTA), Sensor Resource Management (SRM), and 5 M# E! r D% FCommunications Management (CM). There will be numerous ECDs per Task. ( H+ d# ?" F+ n0 r6 }Element Operations 1 f! S& b$ k. m+ ?& A' H3 z$ dCenter (EOC) An Air Force operations center, which operates and maintains a BMD weapon or sensor suite. (USSPACECOM) 0 k; U" _; k% y' V0 F, c, LELF Extremely Low Frequency. ELIAS Earth Limb Infrared Atomic Structure. ELINFOSEC Electronic Information Security. 8 G7 i! l, K F/ q& @ELINT Electronics Intelligence.