航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 ! A0 W$ ]: `! C3 t3 vTheater Missile ( P/ e8 T/ o# @* R6 [& a5 pDefense Council ! Z+ H# p; Y6 m [(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for ( _4 |0 v8 O- S. N w/ E$ x! lAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High ; p# |( R r: ^- q3 A/ Q2 S9 P/ wAltitude Area Defense System (THAAD) % }+ e9 P" a8 j0 `A ground-based, air transportable interceptor system that will provide wide area 9 F( g$ Y' m" \+ Cdefense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. . _: ?4 \$ i- b$ i$ f2 UTheater Missile (TM) * {. h C" J" \7 t2 }" YA theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. 6 Z' r7 x% z/ N- c; ]+ PTheater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, 8 n6 e% s& m! l0 Vintermediate-range, or medium-range ballistic missiles. Theater Missile - u3 \4 g1 P/ O) |Defense Ground- Based Radar (TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. % f7 d8 C, l. d( L, A- WTheater Missile ) `; ]7 b t# P$ JDefense Initiative (TMDI) E- s. z% A( c/ AAn initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 4 x7 f I- ~1 E3 f6 o0 S+ L# p(Public Law 102–484) directed establishment of a TMDI office within the DoD. ! G$ |9 F! F# xTHEL Tactical High Energy Laser. & C. ?: N0 p5 aThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. ( V5 [! j- y$ g" U+ r3 gThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or p5 G- X! i* ^7 K. }reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. : g2 W& F8 |! s7 RThermal Management Technologies/techniques associated with the control and management of ! _. o7 d& S8 D9 nthermal energy, its generation, dissipation, and recovery. , l" r7 h$ U% |- fThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 0 b% \ Z }6 W- T; C8 G' B+ `fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. 0 b6 q: v5 f& H0 P1 f- eThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the ' v2 ?3 {& p% tabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated 6 q# w7 Z* J1 o" r! j1 C2 Pregion) which then emits thermal radiation. (See X-Rays.) ) U) a# X J4 K# ?, B9 rMDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting $ ^! ^; u' R0 T0 F. r' G0 wat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the % n7 ~$ y' a1 u4 o C$ Qexosphere and most or all of the ionosphere. 4 S/ C" y! y! P3 ~ e5 M" rThreat Characterization An assessment of the nature, magnitude and intent of an attack in progress. & j P( E) L Y3 O2 @) VThreat Corridor 6 o0 ^; F0 S, @6 r/ h9 \(Threat Tube) A tube containing all the objects originating from launch sites and aimed at 0 ]" k: H6 D4 ~& r# N7 ?+ xtargets whose spacing is close enough to permit the tube around the object ' Q% p: ~) k9 c1 {trajectories to be represented by a single trajectory in battle management , B' L1 h/ X4 ]4 E* ? C" C/ Jcomputation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic 9 G0 z- B E2 B1 smissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. ( H% i( J' m1 k4 p5 SThreshold Performance capability or characteristic level in terms of a minimum acceptable 0 K- V; G, y, Q3 j; ?, p; Kvalue (threshold) required to satisfy the mission need and a performance objective. 9 F% C! Q6 c( uThreshold Defense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the / ?# X1 P. s& x& a' x0 Uoffense to mount a relatively large and complex attack. 7 t+ K0 \1 q/ |6 BThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted ' `. B) m0 N* J9 K3 JReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. 8 `. O, N" _2 m2 X0 y( XTI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. 2 L3 ~( h0 u% f6 H6 C0 MTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. / }# Q; t) w2 O: P1 G HTIDP Technical Interface Design Plan. 9 Z* E# ~+ p) ~" U; gTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat - {. A" X- \; r(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. 1 ~& a1 I! B" |TIL Technical Insertion Laboratory. Z9 L$ @5 J1 l" m! ]TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T ; t" I2 @3 ^" o1 g0 t300 * [& T; I( W- l4 fTime-Phased : a# e0 x' n% ~( T7 k7 G* FForce and Deployment List + ~2 v# W$ g' W, y7 VAppendix 1 to Annex A of the operation plan. It identifies types and/or actual ! L# G' S0 o/ |units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight ( K+ D: p) E' p' A# W7 h(Max) 3 c. J! q* L3 }+ O( mThe maximum time for a booster or vehicle to perform its function from time of launch. . t: X* a5 k& q& V, p$ GTime on Station The time the sensor is in its operating position. 7 P5 j! D) k* M. g* k' GTime Sensitive Targets P. h; q. V" s8 S& dThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. 8 a5 R6 A. |/ k( p0 Y0 k& b. W: bTIMS Training Integration Management System (USAF term). ) x9 J. g$ o W+ k4 ]TIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 5 P4 M0 y2 V# T' [Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. " c* a* w) q3 k; d+ ]2 kTitan USICBM. : g% ^9 u4 ]9 {5 N" `2 z$ e7 aTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. # [3 m/ C; x6 }- |6 e% a5 WTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). & _& C3 J+ M0 M$ q: u0 jTLDD Top Level Design Document. 7 ^. A" B! i' @+ k: u3 k' OTLV Target Launch Vehicle. 1 S+ T' }& J+ G# V0 }TLX Teletype. * c4 ~/ K* t% N8 X( _6 V" hTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). & l" {3 Z- j- d: ZTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. : E, t* A) K- x+ KTMD C2 Theater Missile Defense Command and Control. - |0 i4 x+ H. dMDA GLOSSARY, VER. 4.0 T / S) u" @5 B! K5 Y- T$ E* Q* N8 s301 TMD C ; _# H ?+ o1 ^& z; z3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. 2 g2 q' V% u% s5 n' R! M7 q }5 jTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). , }# D) o( I9 g. z( [9 ~2 c6 `TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. ) X+ d( ^, K# D- Q2 `TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. # F6 X' K) R" t( @& XTMDE Test Measurement and Diagnostic Equipment (ILS term). & @9 ~( M* g) d! o& F3 W+ OTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 8 C; d( i0 `( a% b: f1 W! j0 W1 LTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. - V2 j3 i8 Y' v5 dTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. 8 x4 n, e1 h5 f3 aTNW Theater Nuclear Weapon. 8 ]3 H6 H [4 ?' vTO (1) Task Order. (2) Technical Order. * v6 B* S# Q& w& @6 N, }TOA Total Obligation Authority. : f( d- h" S7 wTOAM Tactical Air Operations Module. TOC Tactical Operations Center. 0 T& }' F* m, h' O% M' eTOE Table of Organization and Equipment. TOF Time of Flight. + v- S9 l3 O! ^3 K8 |) F( [( |TOI Track of Interest. TOIA Task Order Impact Analysis. - C" s8 [9 `0 b, Y9 N9 w: ZTolerance The ability of a system to provide continuity of operation under various abnormal 1 r' e8 L1 h# u! B1 N% iconditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. ' f# U, B% t* R) \, J- H* Y% g1 xTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). - b3 n1 U* c0 u6 W% \5 K2 L- _$ GTOO Target of Opportunity. TOOL Target of Opportunity Launch. ' ?5 D5 h! ?& HTOP Task Order Plan. ) }/ l7 ]( w) N( D. v/ nTop-Down Pertaining to an approach that starts with the highest-level component of a / \; U6 Z6 S! n3 v o* C' `hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. . y- v; \& O. r5 j7 Z+ F* Z: DTop-Down Design The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the $ S( R: H: _6 O& \* b# `( X, v6 {" fdesired level of detail is achieved. Top-Down Testing 1 r& [: a' R2 v- K9 Z- lThe process of checking out hierarchically organized programs, progressively, . G0 w1 e) F/ @$ B" efrom top to bottom, using simulation of lower level components. % L- ^5 |! L! g1 H; p! p4 iTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. 1 i* S( g! B' p- l7 x2 V$ _TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target " ?3 w& q1 j @Total Obligation 4 B& `0 i# g! m. @2 @5 TAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. 8 {( e% W8 x2 k3 P' Z5 v% s6 iTotal Quality ( T1 Y3 D$ B. |% Q0 T0 Z( IManagement (TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. ; c0 m( H1 D% C, X1 \( p6 ]Toxicity The kind and amount of poison or toxic produced by a microorganism, or ( Q- E+ ^# d0 A" f& \" Ypossessed by a chemical substance not of biological origin. 3 n/ Q! j: ?9 n; p/ wTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. 2 N& z( D9 J& E8 @' U- ~9 r5 \TPALS Theater Protection Against Limited Strikes. ' E+ \) f$ ?: j- m5 LTPBM Terminal Phase Battle Manager. , X- w( m* t3 @: ?( rTPD Mobile Tactical Radar (US). # a6 [3 g3 V: ] P" t/ rTPDR Total Processing Data Rate (TelComm/Computer term). ' ]/ j4 A- u6 E) N5 X/ B' ?9 j: I6 K- F$ cMDA GLOSSARY, VER. 4.0 T 303 % \. c6 P" ]: d7 B' QTPEC THAAD Performance Evaluation Center. 5 t2 K5 }0 V; ATPEM Technology Program Element Manager (SDIO/MDA term). 8 F7 r" B3 k1 H1 k9 O4 R" iTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. 6 j0 O b/ p' j6 x2 k* p/ i/ p$ hTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. ; @9 u: C' D8 @! STPMT Total Preventative Maintenance Time (ILS term). ! D6 i' r& n4 C2 hTPO (1) Test Planning Organization. (2) THAAD Program Office " I6 c) r: w$ CTPP Test Procedure Plan. 0 i* V: m8 S- F: m) @. xTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target ( a$ O0 x: x3 b" B% f3 ^Performance Report. TPS Thermal Protection System. TPT Theater Planning Tool. - f5 @0 J- N" l8 iTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. - \( K' `% b" lTraceability (1) The characteristic of software systems or designs or architectures or 7 r [& Q& Y2 {domain models that identifies and documents the derivation path J t2 n% b+ l! L/ s9 V i& T* [(upward) and allocation/flowdown path (downward) of requirements and constraints. % W9 P) f! ~. y) V(2) The degree to which a relationship can be established between two or ; C; B; F; w5 s* Ymore products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 1 [; | j* C7 o% [ O(2) To display or record the successive positions of a moving object. 4 \* N/ R$ C M(3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating - R$ K8 p% V0 N; a- x( S4 jinstrument at a moving target. ( ^) O8 N! f4 k) o z2 U& k(5) The actual path of an aircraft above, or a ship on, the surface of the earth. 1 C. q& e; _. ^' u |Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to Death . n8 m, a% t# `, a" M, S: l" ^The maintenance of an associated track through all phases of flight (i.e., boost + x9 h' \8 g: i* k/ gto reentry). : G- V! ?/ G, ]2 z% ]/ m) XTrack Correlation The combining of track information for identification purposes, using all available / H1 a, _# j r( ]data. 8 h5 f2 P& T) G7 k, t' t6 Y. ATrack Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time % t9 j) j1 I$ G1 P' X+ for place (e.g., reentry). . I: H0 E% C& I( oMDA GLOSSARY, VER. 4.0 T $ j5 @9 M& E, o304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of ( G1 A' E& c$ G' Q) J7 ythe above. , _( {4 a4 I) h8 M5 S' R: T' A7 CTrack File-Track . x% I' {' K' gHistory A set of individual track reports on a particular object, which taken together # H; l3 v" g* U) Dproduce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and * r; y: o8 r! I o4 u- ]. x3 P, Xany other features of interest. 2 S7 V1 ^, G6 T yTracking and Pointing 8 c) X" F' j9 ]' N& i; \( JOnce a target is detected, it must be followed or “tracked”. When the target is 7 a# E1 p* @; t- M' ksuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. 7 j W N5 c, a m! |Tracking Range (Max) The maximum line of sight distance at which a sensor can maintain track of an object. 3 s- g5 T! g' [* x1 G% ^! ?' {Track Initiation The formation of the first or initial estimate for a sensor system of the state vector + R- j2 J! g$ d9 _+ cof an object. The process typically requires observation from a number of frames. : r" ^& H! _6 fTrack Production + k. ~ J3 D0 ~; |7 K1 \, e+ u3 \Area ' Y, s" Q$ A5 d: v3 j0 q( ZAn area in which tracks are produced by one radar station. . W& E& f @* q- e$ y! f* |Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information ! `$ \/ g) C7 T9 ^7 [3 E" z2 ^( a! \between command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. * q8 z* H5 o7 U/ H! B/ H# sTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. # ?- x& n* v% T# E' U9 K8 J$ |5 {Traffic Capability + _2 W. {5 \; v a- kMaximum & \( L' r, \4 x2 N# S! k* tThe maximum number of objects per unit time which the sensor system can 3 }4 z: l5 d: O* Q* Omaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high 1 t( z9 r/ u5 X8 Eendoatmosphere. $ N5 U" k9 O- l$ H+ u5 TTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. 9 Y7 E1 Q) y) Z! D/ _Trajectory The curve described by an object moving through space. , ]. O, e4 F$ H' Y: wTrajectory % v+ T8 l: w( ~6 H$ n# iHistories n% v; M2 W8 v5 x- R/ d5 ]Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 8 T! [* v- ~6 b3 z7 s3 vTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. ; E }$ X; H [0 [MDA GLOSSARY, VER. 4.0 T ; l/ ^8 J/ A7 ^305 : M* X. i9 ^3 M7 z. M4 L a+ `TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. / w8 S/ Y! x8 d2 ]$ gTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production 7 N; |1 @ t$ m+ ^A risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a $ O/ Z3 f( I1 o6 }9 vprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) ! a9 V, T* A- D9 TTransmission 5 m( P2 E& h" X9 n. WSecurity ! g& e! U/ j) f( v6 e U2 [(TRANSEC) $ R' _* N3 z0 E# b! ?5 V, y4 C& XThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative 9 C8 W. [/ {2 aspeed of the fluid is subsonic in some places and supersonic in others. This is 2 l( m8 M0 @9 ]4 [encountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. " |" Z$ @+ R4 S$ b; Y U3 K7 aTRAP Tactical Receiver and Related Applications. ! S# I6 C% v5 tTrap Door A hidden software or hardware mechanism that permits system security & t' l F1 p, Z# ]2 ^! D) G7 Zmechanisms to be circumvented. 9 G, q2 U' r. c- ~! P. |Traveling Wave - v1 u. U, R0 i. Q1 z" ]+ u$ UTube (TWT) , H0 @1 F0 s% _An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in ( \/ n( L6 T- ~/ E, ?$ Xsynchronism with it, in such a way that there is a net transfer of energy from the / H0 q; I0 y* R$ qstream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. ! `$ L$ }5 E3 f! A8 p ZTraverse (1) To turn a weapon to the right or left on its mount. / f; g2 T* L8 N3 d(2) A method of surveying in which lengths and directions of lines between points on the earth are obtained by or from field measurements, and : p- F$ `- W$ D% n; Jused in determining positions of the points. 0 u# Q0 l# N4 `$ `0 {Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. & V9 J9 x( ?" E# VTRB Tactical Review Board. TRD Technical Requirements Document. # n' K5 p8 Q; D9 Z1 k- eTRE Tactical Receive Equipment. y9 w2 g: c( yTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. * C3 g( y& D$ QTREM Total Radiation Environment Model. ) s: v( E9 D# C# X8 sTREPS See Thrusted Replicas. * V3 N( C; V* J# z( D' |& {TRESIM Tactical Receive Equipment Simulator. ; p5 h5 D7 K$ }' J1 G& ?MDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. & D5 Z4 ^6 n1 V" s5 l' y0 m8 tTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 2 H5 f+ ?% h) u A& ATRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate , S1 X% k1 D9 N+ }4 b9 tauthorizations of the invoking process to the detriment of security or mission & N( ~# Y8 Q- w. {) b- C, u! k2 Mperformance. # C) A1 b% U+ ~8 M9 r7 G, v& lTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) t0 a2 X) O* A* ~ LTroposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric Scatter % m2 B5 d# \& e* ]) yThe propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. $ {' Z9 r Y9 E+ u- P(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. ( T3 W$ s) J; ~: t, y% a. a7 G, bTRR Test Readiness Review. ; h; ^! d' Z; M7 X/ XTrusted 8 M) ^( I7 h2 @5 t! ]2 EComputer 8 p) |+ q' {0 lSystem/Software A system or its software that employs sufficient hardware and software integrity " ^5 B* I( G1 N9 @/ l$ `measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the ) O8 W# T r' Y/ v. p3 STrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. 8 Z1 \/ n* o# O) O1 rTRW TRW, Inc. 0 j- N3 j+ h6 K5 E/ {TS (1) Terminal Service. (2) Top Secret. - z% `7 g1 H4 q l2 _9 @MDA GLOSSARY, VER. 4.0 T 307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. ; I M: _) V% p7 W% G1 sTSEU Technology Seeker Evaluation Unit. , O, B, ?& Y# D3 h, p8 FTsIAM Moscow’s Central Institute of Aviation Motors. ) R* l( l9 B: D0 Z" C! B2 ZTSM TRADOC System Manager. # e8 f! z9 f/ G; U. X1 nTSMA Theater of Strategic Military Action. TSP Target Support Plan. & R, K$ e/ X3 ^TSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. 9 @8 a: S3 [( ]8 M4 N5 [TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. 2 ]4 a9 z. t8 \+ pTT Total Time. ; N2 C1 L& N0 Q1 p" r% l7 `TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). 1 p* w' i' y1 |0 q; bTTA Total Time Accounting. , d" ?, @( C. f; M( HTTBM Terminal Tier Battle Manager. $ A! k _8 |/ \. n7 M1 O) F3 WTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP & y" y `) N, O( P+ |9 G% lprogram, which funds the development and demonstration of technologies, " A9 ]/ |( ~( a. [! Nwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. 8 B, {3 P+ q R3 o4 FTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. ( ?! j% ^# ?! }* i, rMDA GLOSSARY, VER. 4.0 T ! @6 J" V& @ U' v9 {$ c, L ]% d: v# X308 TTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. , Y _9 s5 |" `, s; E5 M" MTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. ' X- W- {8 t- {. I# WTVM Track-via-Missile. 6 d- e' j5 I7 K: Z) HTVV Technology Validation Experiment. TW Tactical Warning. 9 T7 B- S" _; t$ W2 ^" l; V3 X1 ETW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). & D- L: g5 x/ C; d8 |( @! g4 a2 cTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). : n7 r0 \0 W6 \% X+ G: lTY$M Then Year Dollars Millions. % ]+ k Z, O& J1 y, K# e8 F, OType A - System ) I' i+ q0 X1 o- RSpecification 3 |# _0 ]7 B; b( W& HStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 2 w+ s' ?1 U. `- J5 Kconstraints are included. Type A specifications state the technical and mission 2 z$ u+ R9 \7 w8 ^" H. O9 z$ Crequirements of the system as an entity. Type B - 7 {' N7 J$ M' B x; `! E' s; uDevelopment Specification " @' ^4 d" Z; \ o) S5 NStates all necessary requirements in terms of performance. Essential physical / j' ^+ r& P+ p- C/ mconstraints are included. Type B specifications state requirements for the 1 o/ i$ ?7 Q! ?3 Udevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. $ z. g+ g# V3 _* N3 CType C - Product Specification 3 N& G6 @, g( A1 W" f" V$ G" q" PProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of . c" t* s1 o* _% aprimarily function (performance) requirements or fabrication (detailed design) ( P2 M9 ~% p- ]- a: Vrequirements. Type C specifications intended to be used for the procurement of items including computer programs. Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of 2 `+ X: l. W" |objects (i.e., SS-18, SS-24). ; u1 J0 q5 _8 |1 J* n! R& `9 N1 |MDA GLOSSARY, VER. 4.0 U 309 U Uranium. + a, _; a+ |: j" h3 s( kU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. : Q5 V8 J6 \3 M% D. j) O" p. b7 pU.S.S.R. Union of Soviet Socialist Republics. . ^! ~8 u% ?# e- X3 @' vUA User Assessment (NMD BMC3 term). # o4 i$ [ N$ W0 l. }9 W1 t6 \UAE United Arab Emirates. $ b5 U: f: d- Z; ], O! S$ [UAV Unmanned Aerial Vehicle. , C2 r% i4 ~3 f: FUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. " Y; k% o' V+ d6 @UCC Uniform Commercial Code (US legal term). 1 p$ {$ l g; t! F+ i, y3 O3 Y! AUCP Unified Command Plan. * s4 K( ]8 i, E! Q3 H* I9 q* TUD/ASD United Defense/Armaments Systems Division. 8 y x C2 f3 R- B- UUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the % C* K% s3 \1 ^; T3 y( V3 ~8 ]# c- {capabilities and plans of test ranges to support program requirements. It - E. B; f1 w+ j1 J+ N9 n& fconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), # p7 L8 b- n9 }: D) D8 Y7 {2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the + w* W( D- A/ C9 U7 B9 V5 W4 K9 P1 MOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. / x) g1 j$ a# `- O mUEME Unified Electro-Magnetic Effects. 4 r4 {$ a) Q$ t% R; b. ]" fUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 2 n& k. H6 a8 m/ Q310 $ ~. ?3 `+ m6 c; b$ X$ t+ mUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. # l/ N6 a% G( M6 @% F& NUFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. * c/ _7 s4 ?( \3 n. y: eUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. & k: `9 X+ z3 I# _9 dUKAS (1) UK Architecture Study (2) UK Associate Studies. # ^ F8 S; H5 `& JUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ' [3 m B3 o7 E, a8 zULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. $ E1 |/ x' H# f, X: mULTDS Unit Level Tactical Data Switch (SINCGARS term). % I/ a0 l5 p) S; \* ]" XUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet ; f& |, j& [5 M(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). . x' J8 j- q7 q, E& d, {0 BUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. # B% ]2 g; a# X% F$ oUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion 2 i& N+ M; V5 v% j I6 Cand escape, subversion, sabotage, and other operations of a low visibility, ! T) y& e! S: V2 x/ K% Qcovert, or clandestine nature. Unified Action 3 R X) s0 B7 d% k) K( yArmed Forces A publication setting forth the principles, doctrines, and functions governing the : t. _) n# N: m4 ]4 o0 Tactivities and performance of the Armed Forces of the United States when two or 5 m0 Y+ Y% n2 [more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and 5 C% q$ j9 x6 ^' a7 tcomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. ' z$ e& w* v- h- ]8 O5 LMDA GLOSSARY, VER. 4.0 U # I2 @( v7 @* W311 UNISYS UNISYS Corporation. h, }; _( S8 N3 {5 j% K0 xUnited States - y) ^; t7 c. V- kArmy : [* O/ r- \6 h+ a- Z n9 }; {: `Space Command # n6 Q n! d. _8 @(USARSPACE) 3 v6 b, }3 v, {# ~The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 0 L6 ]$ j& Y1 \United States 9 Y$ y/ |* C$ f( y$ c3 D: u) {Space Command (USSPACECOM) 3 |/ H r4 y$ U: i: @0 p b2 qThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. * [( }) H5 B* g$ [United States Strategic Command (USSTRATCOM) 5 x6 C. P0 D/ SThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. 1 {+ a- e# n$ w, E0 y2 R1 N$ \United States Transportation + m1 k4 ^7 ]9 T- B+ ACommand " m6 T* `$ h6 H: j1 ~2 ]8 L! O* z(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and % f6 F% H6 v! }# Tterminal services, and commercial air, land, and sea transportation, including as 8 p y% N, c& ]1 Uneeded to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott 6 \/ _1 }$ d7 a1 sAFB, IL.

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Unk Unknown. 0 z3 g; Y% F, i6 l) A! V* kUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be : k) j4 }5 V; r$ }- Tindistinguishable from a single object. UNSC United Nations Security Council. 2 [3 J, O3 s2 L2 ?$ i' TUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 9 `7 t$ m- e" A- ^2 j$ f6 P6 WUOES See User Operational Evaluation System. ) d( E# F y+ c6 d* F& _UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. # C! c# O: C1 D$ N1 s1 jUQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). , x- n. L6 O3 k! o3 d- a3 Z+ sURT Upgraded RTD. US/UK United States/United Kingdom. ; U6 k: w4 u! R5 P& |: SUSA (1) United States Army. (2) Under Secretary of the Army. * s* {3 X4 F) \3 oUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. " o2 R+ `6 d* d8 OMDA GLOSSARY, VER. 4.0 U * h9 @4 y7 N8 h1 A* P4 b312 USACE United States Army Corps of Engineers. ; F- v2 k# N3 ~; OUSACOM United States Atlantic Command, Norfolk, VA. - p) U+ G5 I1 G5 ?USAF United States Air Force. ) Z: \/ V! o8 O; n/ |1 k: m3 pUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. " H" s3 [- y$ o. ?4 L6 UUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. ( }5 q4 h( f* Q5 n; `3 KUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 2 H1 w$ M0 n o4 ]USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. $ `* \' J+ p9 @( |; QUSAFE U.S. Air Forces in Europe. / L# a3 _( k& |USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. ; {8 I" |2 a" e7 d& Q: PUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. + @' o" C; j/ N& A" j8 y$ OUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. . t. }7 m$ B7 O5 r0 R& A% yUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. 6 L' A2 O, {) rUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. " p& u0 \( e, I5 fUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). & \! m& k: `5 ^5 H0 \% _- r8 k6 Y8 QUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL + D; z/ E$ I5 N# aUSATECOM U.S. Army Test and Evaluation Command. + a( l6 M6 c: TUSATRADOC U.S. Army Training and Doctrine Command. 3 y+ W! U" W' X" p2 U, Y; e/ PUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 - i$ ^9 u8 }4 C0 T; `3 ~USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. % \7 G' I, Z+ P7 H. TUSCINCEUR U.S. Commander in Chief, Europe. 0 [. L: _8 j, ~USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 6 Q- n1 z1 V) e% LUSCINCPAC Commander-in-Chief, U.S. Pacific Command. : k" `* n: s; p! Y( }1 tUSCINCSPACE Commander-in-Chief, U.S. Space Command. # N. z/ l. M) Z9 X* y+ cUSCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. ' q& u8 v/ T: u- m) yUSD(A&T) Undersecretary of Defense (Acquisition and Technology). - g6 b( k0 l; S, V- B8 T: uUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine 0 f! W0 Z2 Z" S; d- c' j(hardware) or program (software) that is compatible with a person's ability to : E* @8 r) A5 {/ Voperate it successfully and easily. 7 v+ k9 l q8 E+ w* NUser Operational " @8 v6 H2 C7 N7 W6 i3 kEvaluation System (UOES) & F! F+ B. D5 t- lPrototypical system developed and tested as part of the early phases of the - u; E$ T5 O% C9 ?3 b( t+ V: o) Q3 w3 vdevelopment process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the + x7 e: r5 i9 `$ q! |0 knormal acquisition cycle. 6 \/ w! ?3 }- v( M. \USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. - I" P' A& ]6 e& k* d* T0 K3 n7 K/ mUSFJ U.S. Forces Japan. # z( D" R. K5 r; K8 D8 MUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U p( U' ^9 _) W& |; |. q( S" p314 USLANTCOM United States Atlantic Command (Now see USACOM). 4 c2 }0 P" }( p) \ u$ n y9 r# WUSLANTFLT U.S. Atlantic Fleet. + m$ H" O r6 R2 l- S9 t- {USMAR- FORCENT U.S. Marine Component, U.S. Central Command. 1 J2 a% R8 N+ C; iUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. $ S) `1 ]2 D+ J! XUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. & X. u. i1 q0 O; B! B2 u' O9 qUSMILREP U.S. Military Representative. - w# n. G h1 f6 q/ DUSN United States Navy. * w5 N/ c" k) F9 I1 W; W8 O8 @1 [; NUSNAVCENT U.S. Naval Forces, U.S. Central Command. 7 l* k7 K G7 b* l; }0 W2 r1 ^USNAVEUR U.S. Naval Forces, U.S. European Command. 5 d. `: i- C# l" s$ {0 C4 g1 [' N, E8 NUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. 0 x. y+ D* f; ]# z5 P( kUSPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. : |9 R* o1 b+ g2 B1 ^) R1 ^+ v, IUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. 7 _+ d; x5 M8 e) OUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. ' Y. |. S a3 g' jUSSPACECOM See United States Space Command. , }1 w" I' i" r3 EUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. + L5 M& e8 ?$ Q7 H$ u, k3 F5 PUSTA United States Telephone Association. 2 G+ `' d2 J! P/ h5 R8 EUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. & j8 f y' H3 f% C$ CMDA GLOSSARY, VER. 4.0 U 315 . ]' c$ S; m+ f2 |. ZUTM Universal Transverse Mercator. : Y- A% u8 ]* B: a3 eUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). ' s) `* z+ g+ G8 F, NUV Ultraviolet. - ]9 {& o5 S* X2 cUV Electro- ; C0 R6 O/ {5 P; W( |Optics Technologies/techniques employed by optical sensors in the wavelength F2 M2 o2 {2 q1 M9 B% l; d& [spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 2 Y8 ?& M k! [: ~- BMDA GLOSSARY, VER. 4.0 V 8 {9 @6 U9 V, P) z% r* r316 ; [" ^/ v5 _, Q0 PV Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) ' {" t7 f6 o1 l# XV/STOL Vertical Short Takeoff and Landing [aircraft]. + @3 }7 A, S, [, U* J7 V% EVAFB Vandenberg Air Force Base, CA. " Y3 d* V7 b" V5 @% J4 FValidation Confirmation that the processes and outputs from a test resource parallel real 9 S" N* w% @1 Z( ^& I0 b) _world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. ; @3 M: y2 K7 ~" O, w& JVariability The manner in which the probability of damage to a specific target decreases 7 R6 S) M; D: Z2 Vwith the distance from ground zero; or, in damage assessment, a mathematical - z; C) M+ p9 o }3 pfactor introduced to average the effects of orientation, minor shielding, and ! O& i5 s5 O& u1 z. T. N; i' t$ g% kuncertainty of target response to the effects considered. # K8 G- p+ J4 MVBO Vertical Burn-Out (velocity). 2 v% m3 o4 G; ~ F& s# N+ jVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. 9 V" k! w5 }7 t5 d3 r' s' Y" H4 ~VDD Version Description Document. - }) e, w8 S; g6 O7 [* W9 ~VDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end : O& ?7 C5 R9 D; L8 W' Fof the development process to determine whether it satisfies specified ( P, Y# q% a8 R5 q$ erequirements. / t/ R G" n3 L( t9 Z, H! z/ x8 \VESA Video Electronics Standards Association. VFR Visual Flight Rules. : ]$ i) n% s$ D5 z- fVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 2 Z, L/ p6 F/ a+ JMDA GLOSSARY, VER. 4.0 V 317 / u% R4 v& c: K( Z$ `1 {+ Y' fVIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D ) E5 A5 `+ Z8 Q, @8 Q4 fExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional ) Y1 M& D4 F& Zcircuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and + y* Z3 D$ W" Q: {3 ]precision-tracked with the ANTE processor. ; R) v8 F( D2 U& KVIM Vibration Isolation Module. 3 [- O2 Y5 x# _5 e. ?' q/ }VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. ' B0 l/ J: k R4 B& T" `Visibility Range * R: I+ D) F- [1 A; u, G2 S# E(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 4 F1 P, C- a& M2 E5 fjust be seen against the horizon’s sky in daylight. The visibility is related to the ( z6 ?7 p' v7 D6 x" eclarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze 6 l# l4 `- C) M7 Nor fog. The visibility on an average clear day is taken to be 12 miles (19 1 {+ \& M% m( ~ |" jkilometers). 6 H& h9 }% Q6 m( Z+ Z( p' fVisible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. . [0 e% F* O9 l) d" d5 H* U' n QVLSI Very Large Scale Integration. # R; _2 n! t% VVLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. ( e! ~/ k# ^) k0 q, ^) IVME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. % S4 Q/ U7 T3 j4 m+ qVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 9 G5 J/ F2 w8 T6 sVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 7 Y+ z5 v) M- D" f8 tVUE Visible Light/Ultraviolet Experiment. * J6 _/ a) {( ?' ?& yMDA GLOSSARY, VER. 4.0 V 2 p6 p9 a# L" J318 % T% J' E# |* m- u! O+ \Vulcan UK bomber. 1 B; b4 A% R) LVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. , r: g" \: U; u9 W: D2 DMDA GLOSSARY, VER. 4.0 W 319 . ?1 _) ? J, G3 }W/ With. + A- J; k% {/ h% G7 O' M6 k: ~w/o Without. ! b, H) w, | c! F% S( X2 HW/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. 4 W6 z! N3 f" M9 kWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 5 e' c5 m; ?! \- ^! L! J8 ]Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. 5 U2 G" t+ P0 sWar Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. . o9 q% L* x- O; w+ y3 t1 mWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the # D# P- h A' n/ k4 s" D* c0 P' KJNTF for use in CONOPS validation, missile defense program design verification, & B5 x0 i, M9 n% J9 o4 t C; L k7 M3 }validation and accreditation, and support CinC/Allied wargames and V. D# Q+ `5 k% k" o6 dassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. 8 x o4 M) G; E; o' P$ BWarhead Section A completely assembled warhead including appropriate skin sections and related components. 1 R+ S' k/ R, P8 v( N* YWARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. , O s. \7 r' }' r9 v) }/ hWARSIM Warfighter Simulation (US Army term). 6 ^: V5 L2 f" W( f, J" m' E( q3 S2 H" VWARSIM 2000 Warfighter Simulation 2000 (US Army term). : }$ R8 M3 W3 v9 i B! i) ZWartime Reserve $ `3 s T5 T) vModes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. M+ i3 [/ [4 H d( k- kWASP Wide-body Airborne Surveillance Platform. A modified DC-10. * s; k1 z; j1 w$ P" m* r P1 nMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. ; y/ S1 S; H' S; L" V, sWastage (Max) The maximum number of defense weapons which, when used, will be ineffective : ^' }" K0 `1 a, o/ pin contributing to the defeat of the offense. Watch Condition ) a+ x6 u0 f. M4 V* ]# p(WATCHCON) q: I& b( L" t5 O. }Series of readiness conditions used by the intelligence community to alert staffs $ s) n9 d7 ^5 m; J2 [- `to watchfulness without raising DEFCON. # j. I; G& y2 U5 \WATS Wide Area Telephone System. 7 k1 e: _1 G' g& S/ I9 dWAVE Wideband Angular Vibration Experiment. {/ E M) { b7 K! OWavelength The distance between two points having the same phase in two consecutive ; |$ C+ Y4 A. X+ y# [: M; U* Dcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. ) M: \4 K1 i* nWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. ' i; z& I% k$ JWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. % U, ^6 N& C6 D6 L$ A2 R/ bWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be + M6 d/ |; X3 _" Elaunched.