航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T ; u+ d4 _# j: |; H& n; T" W298 3 B% z- E4 j6 k$ ]9 FTheater Missile Defense Council (TMDC) - Z8 H8 s, A1 h- e N5 fA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for , x. f( n- l4 @1 e, f# KAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 3 O4 O( G6 n& m9 \9 Z% Mand Program Managers. Theater High Altitude Area $ |& s6 r+ E YDefense System # w- D3 }0 Z* y: N$ [2 T/ p5 f(THAAD) A ground-based, air transportable interceptor system that will provide wide area 8 g- x: x& ^$ kdefense 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. Theater Missile (TM) ; X$ P7 m4 N% Y" Z( @& NA 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. 8 p6 w1 m ~' `: P, }: f" e% [- `Theater Missile + |* \1 \) R+ {# d- F: O' `Defense (TMD) 7 L" O% g) c& w& u7 @, T, p0 h4 MOBSOLETE. The strategies and tactics employed to defend a geographical area - B4 s2 P: x% ^: F1 J: Eoutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. 2 X+ U2 y) y0 r3 I1 ?) P gTheater Missile Defense Ground- Based Radar 0 k( E% t. i l3 _(TMD-GBR) , d$ I M9 \& d5 c% N8 Z9 xA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 7 }: ?1 k/ B2 m+ a1 X7 h+ U7 OTHAAD Radar. Theater Missile : k b2 |7 R% ]8 ~% jDefense Initiative : t5 a: _4 h' h6 | m" ~(TMDI) An 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 (Public Law 102–484) directed establishment of a TMDI office within the DoD. / k+ H7 D. }! q3 V6 B) rTHEL Tactical High Energy Laser. , u$ C* l8 E' F9 G1 XThermal 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. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. 5 Y: I3 j5 H' ~5 S! x GThermal Kill The destruction of a target by heating it, using directed energy, to the degree ) h* l( a( T; ~7 Q/ Vthat structural components fail. Thermal Management & n9 ?/ q* P8 Q- M8 hTechnologies/techniques associated with the control and management of ) ]! V3 B1 Z2 e# Z2 M }. s3 a2 Othermal energy, its generation, dissipation, and recovery. % t# j* s L! h& P' D0 rThermal ( Q# ^! e# H. y6 S9 y9 eRadiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of - {8 }! |( B [6 }ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 4 Y/ o7 s) ~# Y6 Demitted 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 absorption of this radiation by the ambient medium, accompanied by an increase 6 m2 x9 e. e* _) A- g6 Din temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 4 O* C- @- Y$ C# N4 Wit is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. % H% A5 t/ u. \9 ^) nThreat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic 4 g$ X1 n3 a: ?1 v. Jmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable 6 h9 F" j0 J$ A$ ?value (threshold) required to satisfy the mission need and a performance , @& a1 U. l7 u1 ?; Kobjective. 6 j' J. S. r* Z4 O9 ?Threshold 5 X0 l' w: _) p2 U+ t! `) tDefense " ~, k. f# [. W: u* aA defense strategy that concedes that the target can be destroyed at a price 4 c; L+ X; n+ f5 N, ^that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. . a2 E9 I' i2 I% Q; KThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. / [, n) M0 D5 h+ a1 R) HThrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to / y' [( h) {3 B( achange the decoy’s optical signature to resemble that of an RV in the reentry phase. ( U1 C) \( y$ H) O4 C" v4 eTI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. % l7 j# s. s; ]* D3 O( L- ?! A(2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. 1 j# D$ P8 S' ZTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. 9 u7 e5 W5 N6 @: H" p+ V0 J, DTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 9 E! D( f$ n6 ?; |4 {( ~: a) j( FTier An integrated set of SDS elements that address a particular phase of the threat / y1 ?: T8 i% L( T(e.g., boost phase). 3 \, n2 C3 z, qTiered Defenses The use of defensive systems at different phases of the missile trajectory. 0 s2 [. n, D2 _9 e- S3 E5 }TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. ! F1 v: V4 }% {5 {TIL Technical Insertion Laboratory. 5 J' i; F8 n# YTIM Technical Interchange Meeting. 5 ], f+ A; ^* H* @ jMDA GLOSSARY, VER. 4.0 T 300 Time-Phased 3 b. c5 b) V9 L0 f SForce and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of " u4 k8 F( y4 Y; H2 l' Cdebarkation or ocean area. Time of Flight (Max) - }4 @: q! ?; k8 I( z$ F: PThe maximum time for a booster or vehicle to perform its function from time of " u& W/ w3 @) f' [$ O( _- _launch. ' [6 J% H S4 f# o0 d: {3 E. KTime on Station The time the sensor is in its operating position. * @8 i0 |7 b: j1 z; D; l8 ETime Sensitive Targets Those target requiring immediate response because they pose (or will soon & ~8 s& c) P( e3 b6 Tpose) a clear and present danger to friendly forces or are highly lucrative, 6 T" d; W+ ^* wfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. # U5 ]1 C, i" d9 m$ iTIMS Training Integration Management System (USAF term). ; @7 ]5 O7 p" STIN Theater Intelligence Networks. 5 ^) Z2 C, U5 Q! y7 U" GTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety / Y; H/ D: a2 e& r; bTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) ! R$ u% I# }7 O2 J, fTL Team Leader. k3 V0 U$ G- Q! l8 ~2 I9 V% x- HTLA Time Line Analysis. 3 D' q* A7 w$ ?5 \9 p) u) wTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. . f1 {# s" ]: K4 q* fTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. 5 i K. t1 L6 ^( H4 i0 RTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T % S$ B8 P# T: o3 _: G' n301 TMD C 3 3 l: l& ~ n! h7 }: LI Those assets that provide connectivity between and among Theater Ballistic $ ?- s3 a4 t1 T O' mMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). + g- Q3 w9 g" D1 _% iTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). " y: ^4 a# Z {, NTMD IA Theater Missile Interoperability Architecture. 8 p6 o E7 ]* _. o; _- GTMD ITP TMD Integrated Test Plan. % V3 t- W* a7 c- xTMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). $ _+ n- B# ^8 V/ t0 W; hTMDI See Theater Missile Defense Initiative. % c: \5 t7 y- m3 vTMDSE Theater Missile Defense System Exerciser. 4 ]4 @- I9 h! `! _TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). ! }9 k1 V2 a L8 T& M1 ]' v7 GTMPCU Tomahawk Theater Mission Planning Center Upgrade. 4 H m+ n/ O: }' m. m7 z( MTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 0 R' c. [/ q" t& C2 Y3 v+ RTNF Theater Nuclear Forces [Treaty term]. * i2 A" o- p4 l2 ^& c1 iTNT Trinitrotoluene. TNW Theater Nuclear Weapon. o9 F7 J& `2 i/ x* P4 E a# Z( A4 E' mTO (1) Task Order. (2) Technical Order. * E7 d8 c( H3 A: f5 g# |3 ~9 CTOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. 6 f+ W9 i' n4 M6 VTOI Track of Interest. TOIA Task Order Impact Analysis. 9 Y6 X' \5 j. b; h b; A/ mTolerance The ability of a system to provide continuity of operation under various abnormal conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. . @3 F3 I1 C. ^( D4 qMDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. : ]/ w# \- J t2 E! M& FTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). ' U( s9 R# N8 [& X4 }TOO Target of Opportunity. * d. N2 S+ N/ p$ M) a3 l; h$ G, ?TOOL Target of Opportunity Launch. 1 L# _9 ?8 R2 tTOP Task Order Plan. 8 c+ [) z$ o7 k' y( L( uTop-Down Pertaining to an approach that starts with the highest-level component of a 7 T1 j% c: w' |) h3 rhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down : q' j: a5 `8 V3 M; HDesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the + Y! f4 P0 Y9 v; Udesired level of detail is achieved. ! c% f2 k7 K5 F& b6 pTop-Down 6 N4 @' v1 x% f& W! }Testing * q! `: D9 f/ J' N/ M c, ]The process of checking out hierarchically organized programs, progressively, 5 j4 e" I, a2 V, ?8 rfrom top to bottom, using simulation of lower level components. # k. O0 H3 \* H9 ]TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. / _0 L0 E0 m- [: d+ LTOR Terms of Reference. ! w: L7 Z8 F- d9 uTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target 0 t1 g. k7 V- J" k5 c, b- l" hTotal Obligation Authority (TOA) 6 e* j2 m6 x7 z ~9 g2 NA DoD financial term, which expresses the value of the direct program for a given - W/ f8 Y/ E5 Vfiscal year. Total Quality Management 4 B' t5 G X5 f! t9 A(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. + ?7 ]( B; u: N* |. q/ l2 C. @Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. : l; p2 U& ]5 s; ETP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. " c! T( i5 x" {TPBM Terminal Phase Battle Manager. & L0 {% j7 x# ]; K# V/ n- vTPD Mobile Tactical Radar (US). ( D7 C* C0 k- V; k8 PTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T , m8 s1 a2 N* u& z/ x303 & y. r) C( s5 Q: S9 `/ U) cTPEC THAAD Performance Evaluation Center. - ?7 v( M7 H* s$ l1 vTPEM Technology Program Element Manager (SDIO/MDA term). 9 t2 X9 b0 i' W6 `8 rTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. 1 R# C) v, R, b4 k% u' B6 A( i* gTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office 2 w# o) Z/ T2 d8 V1 \/ C- STPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. # |* |+ z# R5 e* `TPS Thermal Protection System. 8 z( d# ]/ |! T* n2 {) tTPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) ! E5 ?: j) W8 s- C7 B# }TQM Total Quality Management. - O; O4 |/ O( }6 BTraceability (1) The characteristic of software systems or designs or architectures or , W1 B& ?7 D" P9 W& D% d: `domain models that identifies and documents the derivation path 4 d$ P4 T' }! \- t, D/ L6 k(upward) and allocation/flowdown path (downward) of requirements and ( U5 [, F2 b& w; g! j r$ mconstraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate 7 `/ U* Q- G, u2 c: H1 d# Mrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (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 instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. q* h" p' q1 I: J3 lTrack Assessment 4 s1 R9 V3 @# _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 + s. s2 A# V- Z# ^The maintenance of an associated track through all phases of flight (i.e., boost to reentry). % K$ \. d0 F, ~$ \Track Correlation The combining of track information for identification purposes, using all available data. 5 L6 U7 z. [1 y. [7 H. n- pTrack 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 or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 3 x/ h) M# z- y, `304 5 R. f* t8 b4 x3 fTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of ! r1 J9 S* y1 P7 D$ `% P1 k7 z4 \( ~the above. Track File-Track History A set of individual track reports on a particular object, which taken together produce 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 6 J# t. Q5 I- r! ythree-step process of data association, track initialization, and track improvement . K$ s% y, p) }& tby filtering. Tracking The act of generating and maintaining a time history of an object's position and + K7 E! Q! q, ~" a( A$ u& W, W3 o" {any other features of interest. Tracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is 4 X/ o" ^5 q( r) M6 N1 X" S% Vsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing , D% o1 C# c) dare frequently integrated operations. ! `+ s/ _; U- N" BTracking Range (Max) ; w1 z" |! ?; EThe maximum line of sight distance at which a sensor can maintain track of an 7 r3 M \' X& R4 aobject. / V/ Q& n) E6 k. STrack Initiation The formation of the first or initial estimate for a sensor system of the state vector ( A6 _; l& F8 k) Xof an object. The process typically requires observation from a number of # T* r) Q4 p) E- [' O' h' Qframes. * K7 n$ x6 a. T# b* a: xTrack Production Area An area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. / |# A/ ?# I P9 r. aTrack Telling The process of communicating air surveillance and tactical data information - u! j7 g/ m7 w& u6 X7 ubetween command and control systems or between facilities within the systems. ) k# ?7 `. j" c2 V) R% ~) g% tTelling may be classified into the following types: back tell; cross tell; forward tell; # `/ ^9 Q8 k' p8 s `lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. 2 m5 L, s: w9 }0 S( mTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 3 Q n, [5 ~8 d" G( j' r1 uTraffic Capability & p0 ` q- H: f7 jMaximum The maximum number of objects per unit time which the sensor system can / }# ^! Z2 _4 E$ e2 S- F0 Xmaintain track files. 1 r/ n, X0 Y6 N2 c3 h$ rTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high 7 H% |% a9 I( m2 S6 J) oendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of " [/ ~$ s6 _/ u& \/ L% Y/ Freentry. Trajectory The curve described by an object moving through space. 9 d3 S; {- h* N0 t: hTrajectory p' b1 J; @0 Q( u$ g- LHistories Trajectory information on targets recorded over a period of time. 3 t# k4 l* |" n! BTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. 9 I) f3 Z% i; j9 J. ZTRANSEC Transmission Security. , s5 ^0 x, M n% p0 aTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to 5 _0 I, z1 w" p5 w- UProduction 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 8 ^- [5 \/ P4 _7 ~$ nprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission ( x' i- `& D' J4 D2 p3 o8 dSecurity ) C2 N. ?7 c6 l6 k+ H; _1 ~! ^(TRANSEC) That 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 speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. ) Y$ `, ?. p" _+ ^3 [! w# W3 E pTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. 9 c2 `# u8 K5 u$ }1 X1 iTrap Door A hidden software or hardware mechanism that permits system security . w, g; {, B7 Kmechanisms to be circumvented. Traveling Wave 8 Q* D3 n) }& c1 b0 y OTube (TWT) * x( ^5 D+ g2 J# O8 q& k9 _4 TAn electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the & U7 {) X# d6 L% j# b7 Cstream to the wave; the tube is used as an amplifier or oscillator at frequencies in * _3 E0 p9 X$ Kthe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. : J+ q' m! Z* Q(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 used in determining positions of the points. 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. 6 g1 d( `. { D6 j, C4 OTRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. ' V h a' y: U) d9 bTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T ( \- L0 Y! ]3 ?1 m2 o1 {& t306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). 6 I, s D, I' v! VTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 3 b% m# G \" b6 i% x5 _' \TRM Technical Reference Model. ( O1 _, C7 n; e$ y7 k) kTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. . D# d' X8 n3 z* A& x7 \Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate / g# {! H' A2 G8 C @authorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. , ~" q {8 ^$ p& R& G/ @+ a$ E% ITropopause 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 2 ] {8 u$ l9 j* t5 [2 _tropics. (See Stratosphere, Troposphere.) 2 x1 g1 s4 v2 V- GTroposphere 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 % ]' O0 x* K. @& faltitude, clouds form, convection is active, and mixing is continuous and more or 7 E* q) P5 L3 \* L( T5 Z+ Y3 c! jless complete. Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of 0 ?! E. b: P" e/ k# m k6 Lirregularities in the physical properties of the troposphere. 6 M4 w& o+ n% Y9 Z& }TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. ( [) w! e# u& `. M" [- e/ u(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. . j& _* S! m) C( W: T6 ?% P1 r* TTRR Test Readiness Review. # |1 N7 n* x7 K5 b- ZTrusted Computer System/Software A system or its software that employs sufficient hardware and software integrity - A: a" e+ S; U; g" M! j+ hmeasures 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 Trusted Computing Base. This mechanism can only be activated by the person 0 ~1 ^- S$ t$ Nof the Trusted Computing Base and cannot be imitated by un-trusted software. 9 f! u0 @! C/ v) qTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T - \& i6 x I/ ?. N307 + j( d# n0 \. I8 ITSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). $ S/ q* A- b2 U% _4 a; a' |& v. M5 _TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. - p2 u8 J) d) A& S7 |" {) LTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. * W8 l$ V$ e( LTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. * o0 l8 L; \, m3 |8 M! STSS Terminal Surveillance Sensor. 0 s- a/ O; E: Q; l& zTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. 4 |- ~5 z+ X# DTT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. 1 u8 t+ {+ F7 _$ Z. r1 `, pTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP # x" y+ b; Z9 S& `) Y/ zprogram, which funds the development and demonstration of technologies, , Z4 K8 z: b! B6 Hwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). 5 U# `- Q3 r N" e; |- uTTL Transistor-to-Transistor Logic. - h9 {2 X7 l0 N) J: w4 t0 wTTP Tactics, Techniques, and Procedures. , n. U# h% S/ y* P, d0 X9 JTTSARB Technology Transfer and Security Assistance Review Board. ! G4 n* }) R1 Y7 `+ Z! pTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. ( V2 N( V% U/ V. g# y4 |TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. 8 J s+ V1 J4 ]0 r1 yTVM Track-via-Missile. ( V9 X% I( `7 l5 E3 @TVV Technology Validation Experiment. , ~% F* [: D5 v) K$ QTW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. 5 E1 ? w3 m4 [; y( s9 h# S( tTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). 9 J7 {6 K8 M/ XTWT Traveling Wave Tube. 1 V' U, T5 [6 c# b+ @. yTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). I' v* z) ]/ w: ]TY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification . i; V, F: Q IStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical : x6 h0 X* O6 i" q# Kconstraints are included. Type A specifications state the technical and mission 3 D) k% |4 Q+ orequirements of the system as an entity. Type B - , i- H7 U5 l& q! a- tDevelopment Specification % l, c# t7 e0 U Y3 C- K# oStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. 1 |8 _! i+ u0 z; \# u# [- yType C - Product Specification ! W4 v, l/ n. k# W; b' EProduct specifications are applicable to any item below the system level, and 2 I) ]% k9 U$ ]# }1 M+ ^may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) 4 w; V6 N$ v3 k( ?requirements. Type C specifications intended to be used for the procurement of items including computer programs. Typhoon Class of Soviet ballistic missile submarines. 1 K2 I5 z' e6 {5 J) rTyping 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 objects (i.e., SS-18, SS-24). % B3 t2 Q' ]' e+ q/ YMDA GLOSSARY, VER. 4.0 U & [' [) S4 W' U8 e& t; y# @309 8 o1 @ }+ t8 ^5 P3 p. y4 oU Uranium. # `$ U' h) m& yU&S Unified and Specified [commands] (pre-1996 term). $ g* |6 s2 P. D! M% SU.K (UK) United Kingdom. 7 ^; d% E+ A6 NU.S. (US) United States. {2 n+ G7 a. f2 H0 ]- pU.S. West U.S. West Incorporated. + D3 f# F6 N: w' qU.S.S.R. Union of Soviet Socialist Republics. : r& c7 y, B U% m" I8 o) RUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. - x% @* @" V% |4 y- k6 @ L/ IUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. , k. r: g2 [% ?; C3 wUCAP UAV Combat Air Patrol. 8 l3 i: E" P( Y" t+ SUCC Uniform Commercial Code (US legal term). " s! a. t( E- U; SUCP Unified Command Plan. 6 a/ e" G- H) b8 F( R" x7 R" {UD/ASD United Defense/Armaments Systems Division. 6 W: ` ~3 O( @3 y; ]6 |UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 5 l, S& @6 ~# X/ V; p4 F9 zUDS Universal Documentation System. A standardized comprehensive tool for stating 4 E7 K( z# c2 h% |) Y! Mand coordinating program requirements for testing MRTFB ranges, as well as the . ^8 F* r9 [4 a9 n, f6 I6 A7 v4 m! Mcapabilities and plans of test ranges to support program requirements. It + K; z* s& ]" Y# Iconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), ( K9 ^2 _# Q8 {4 t: A2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 3 [. [/ e. [, ^( lOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the , n& R5 I6 J+ k! H, T% s8 u5 ]Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. 5 Z# {( K- s9 O4 ?4 b" a8 AUEWR Upgrade Early Warning Radar. ) w, n/ z- j* W: C" s2 Q( C6 e7 FUF4 Uranium tetra fluoride. , }, C( X: q& Z- t8 qUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U ' J" w" ^0 l+ n9 C# d6 e2 u310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. - g" w# J0 }# A7 l" cUGS Unattended Ground Sensors. ( }5 ^: R: ^3 ?9 I b& \6 _UGT Under Ground Test. o. E. L" g# zUHF Ultra High Frequency. , E5 Q, S) s7 G& k! {% ^: fUIC Unit Identification Code. UIN User Interaction Node. & K' ^" G+ h8 Q& x& m6 v! LUKAS (1) UK Architecture Study (2) UK Associate Studies. 8 m6 C& b4 H* N, S4 QUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. 7 B2 k; {/ d- d# R8 v' nULCS Unit Level Circuit Switch (SINCGARS term). ' v, b2 X- M% GULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. m5 } N! u3 W4 z% U- mULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 7 W- }) _$ H2 z(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). : P: i/ }- U" Z5 o- sUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). ' ?" Z! x% D, `4 J$ G0 [UNAAF Unified Action Armed Forces. 3 G1 ]% y# ?$ V) a8 FUNC United Nations Command. Unconventional Warfare " o8 r, D- z8 H$ Y0 W( I8 a) k0 HA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ! ?% a" r8 o: g( {0 o# z/ G- |1 Tincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action . @+ }5 g( C7 T" TArmed Forces / S1 E# L6 z& P6 q3 C7 U* d& r* YA publication setting forth the principles, doctrines, and functions governing the - [5 V9 Q s* J8 ?activities and performance of the Armed Forces of the United States when two or - \: L; \# p2 n9 @ a" ~more Services or elements thereof are acting together. % r6 [. \/ D! ?4 P1 ]Unified Command A command with a broad continuing mission under a single commander and . o/ v U' r' ]" ]: v: [composed of significant assigned components of two or more Services, and . x/ x- r _ E- } K* hwhich is established and so designated by the President, through the Secretary * t. A M5 y) y' F+ I* |of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U ) v5 e) g; l. W. f311 3 M K5 Z' c. A2 b9 ]$ f5 C* BUNISYS UNISYS Corporation. * N0 O: i; t% dUnited States ; t4 w3 L6 A N* l8 N- t( uArmy ! v! `' Z+ @1 j" H) uSpace Command (USARSPACE) , \* {6 r0 [; c* Y/ M1 R. _( H+ _$ sThe Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command # k$ ]( k, a6 a# U3 G(USSPACECOM) 1 A ^- v2 u7 w& ?/ v* oThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. 1 G: y" J3 ^6 c/ U. T/ u7 M5 l& q$ _' n$ jUnited States 8 Y; k; C% J1 p3 s, X" E" wStrategic , a: U% k5 t" [. ?Command (USSTRATCOM) ' P% t: s! J3 M1 f9 x9 dThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic ! [" M- C* R6 lmissile offensive combat strikes. Located at Offutt AFB, NE. ' H. X }! X) S/ i" s* O2 JUnited States Transportation Command (USTRANSCOM) + g# E$ W8 G" x W' l: tThe 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 4 }4 E( z1 O0 ?" {) B! N) g6 eterminal services, and commercial air, land, and sea transportation, including as needed 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 AFB, IL.

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Unk Unknown. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be 0 T) Q% p' y4 mindistinguishable from a single object. UNSC United Nations Security Council. / x) Z+ \* @' XUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. % X5 x7 j2 z0 A3 Y% yUQT Unit Qualification Training (ILS term). * M: \, j. X( KURIP University Research Initiative Support Program. , e) F0 {. G- p8 E. @% H$ z/ zURL Uniform Resource Locator (internet protocol term). 9 R* r9 \# g _URT Upgraded RTD. * E# a+ H5 S \. O; U$ BUS/UK United States/United Kingdom. 1 |* `; {% n+ c2 I; R- CUSA (1) United States Army. (2) Under Secretary of the Army. 7 k, j% a6 j3 T- ]2 l7 G- xUSAADASCH U.S. Army Air Defense Artillery School. ) N) \3 W& Z) |1 ]5 h/ k% lUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U / }* O) G* P& c# A312 5 r. o' D0 c) G. I3 eUSACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. & V" X3 @' A7 X: u) @4 X2 [$ oUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF - e' z6 R, D' JSystems Command /SSD. & q" e# u; I# y% b' l2 hUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. # q8 D: b8 A, k, |USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. - ?% P1 `7 L5 q+ E+ f0 P! NUSAFE U.S. Air Forces in Europe. - D$ p1 z( @& J6 S5 oUSAFLANT U.S. Air Force, U.S. Atlantic Command. r0 H3 }- S5 X3 DUSAKA U.S. Army Kwajalein Atoll. " W. j% z6 e; W& ^; r' ~USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. t) [) h5 f5 vUSAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. ' w. w- f# e& JUSAOTEC U.S. Army Operational Test and Evaluation Command. # D/ X! b! r- C' e4 I- w4 RUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. j6 ^, x- w" S s2 tUSARLANT U.S. Army Forces, U.S. Atlantic Command. 9 ~6 t8 S4 U/ p `1 L. b- aUSARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). & b8 T E9 L' \ k' q0 sUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL ; F+ M% Y! ]' [+ q* Q# QUSATECOM U.S. Army Test and Evaluation Command. 2 y$ q1 K/ a' ~+ AUSATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. . J2 T" q$ G5 N3 F: iUSCENTAF U.S. Central Command Air Forces. ) U$ {' \4 t/ q3 CMDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. ; P/ G0 [( C% V2 a8 A6 u. BUSCG United States Coast Guard. # V7 X! v# S8 O0 R: n" t* \USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. * v% o6 H* g1 t( C( XUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. $ C9 U/ `3 r4 ?8 r' M# {USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). & p0 ?" P8 R) ]( D! N7 hUSD(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. 7 }2 O: x( c+ J9 f7 CUSDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine 1 s1 V Q, Q+ B7 i4 f" `(hardware) or program (software) that is compatible with a person's ability to , }8 q: {/ T6 `7 _9 a: @operate it successfully and easily. & K+ z- j+ O! k9 mUser Operational ' _, Z+ @8 ?2 f, ?( e9 J" z4 JEvaluation System (UOES) " f; m6 K: j/ J; z) b& c. u; f0 YPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and # q5 z) ?& ?5 D* y0 otraining for a system proceeding through the normal acquisition process; and (2) 6 l$ U M: {7 g. I7 qcontingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. $ ~% \: d! \/ uUSFK U.S. Forces Korea. ' G' E) T4 c+ e4 PUSFK/CFC CSFK Combined Forces Command. ) L5 f& ^8 h3 p# S, @USG U.S. Government. & v5 B |$ B+ ]2 d3 uUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U + ~' C, F. x6 V& `- y4 G- n; c8 L% k% K314 9 `; ?, O" \: ^- SUSLANTCOM United States Atlantic Command (Now see USACOM). 3 Q/ K# J; {- Q# v' RUSLANTFLT U.S. Atlantic Fleet. USMAR- ! m& t) n5 J" [- Q0 w rFORCENT / H" Y8 `- l! ?: N: W3 L8 s8 A+ @U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 7 Q! s& s9 g1 H7 ~& X6 E/ A5 EUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. / K3 V1 X) t3 CUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. 3 k# p0 Q% U* d sUSN United States Navy. 8 t% ^; }( u$ }/ Q9 t% g- AUSNAVCENT U.S. Naval Forces, U.S. Central Command. 6 b& B4 P, ]6 U. t% p4 @$ _USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. 6 G d+ W' k0 s. p# b EUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. 6 N- R% z: E6 }( ^4 z) dUSPACOM United States Pacific Command, Pearl Harbor, HI. ! q* w2 o: C) `5 x/ `# xUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. ~% Q$ K( A4 h2 t( ~& zUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. ' q0 K i9 S/ ]4 b5 o; E# }+ pUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. 8 V% B2 h- ~' [. AUSTRANSCOM See United States Transportation Command. 1 I& D& {& O, b. F! @# U8 ]" Y+ wUT Universal Time. 4 t* x5 r6 x( K1 D5 }3 NUTC Unit Type Code. 7 W5 ]! C$ O4 f, x+ M5 q+ w7 EMDA GLOSSARY, VER. 4.0 U 8 K8 u& t. e. c5 M* ~7 t315 g! X7 L5 S& ?0 ]' nUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). {% W1 a: ?/ c! s: z* I G7 u3 EUV Ultraviolet. UV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength w" J7 N% z N2 X2 K, Ispectrum shorter than visible (e.g., less than 4,000 A). 9 [7 f' n( D3 FUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V - w! ~: a+ x9 l! P' W316 " P/ c" A3 n5 U& o% J0 tV Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. ; S) ]! W$ _9 m2 R% RVAFB Vandenberg Air Force Base, CA. % V/ t6 B% M0 F2 L% Y3 G2 bValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, " U4 E# e; I- t6 Stactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. 1 q* ?6 Q/ M: ^3 J5 H1 P2 _VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases 1 I9 l: g0 G4 i9 N7 V, ~with the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and # d+ O* Q4 A9 W3 {2 M9 p' juncertainty of target response to the effects considered. # h5 g3 [# f) D- I6 B# ^. MVBO Vertical Burn-Out (velocity). 3 P# P( i9 \# X% b7 S, a$ UVCC Voice Communications Circuit. 7 k Z! s! K" ]' AVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. $ }. S/ ?1 S% V* u" T `7 yVDD Version Description Document. ) [" Z8 G5 _7 B8 IVDU Visual Display Unit. VE Value Engineering. - t3 t# S& g) G9 n' U8 \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, " w- ]4 u7 _ ]4 g1 pcalculations, logic, and interactions of the system under evaluation. 2 f( j" A7 Z3 \2 \7 B(2) The process of evaluating a system or component during or at the end & U$ t' c; k& B! iof the development process to determine whether it satisfies specified # h: k A" ~4 \requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 $ n4 q& s2 m. p/ IVIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 " S; k: M7 f E- U' ^+ @- zOperation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR 4 B/ S/ s( M$ W' D, \( f; gcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. 2 `/ U$ S8 k* p. O" g" iVIS Visible. $ E2 ^0 p6 r" y- tVIS/UV Visible/Ultraviolet. 0 x1 p& S9 g. J _5 M4 B YVisibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the clarity of the atmosphere ranging from 170 miles (280 kilometers) for an 8 V4 p9 C, j( d% c, R; Gexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 " Q; e6 v6 ^. ~" j# H9 [& Bkilometers). Visible Electro- % h& P+ u9 V. h2 xOptics + X; p7 R! _5 J5 c; M5 r$ V* |Technologies/techniques employed by optical sensors in the visible portion of , S/ z4 R& L, x* N5 U5 bthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. ! u- A+ h9 o2 P! |/ x& P' KVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. : s7 {8 e2 n0 G( b' GVME Versa Modular European [standards]. " K7 x' |. G0 {VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. 5 \& @" l- x% X0 P: D+ zVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. / C8 x7 L8 Q# {( r4 V& @MDA GLOSSARY, VER. 4.0 V , r( o& `0 b6 Z" v3 Y318 - `) W$ a8 Z+ J( [) q; J6 K# wVulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. " E) R- c |9 ~& s3 }! n' V! aVVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 0 W; Y/ m. t, U7 b319 W/ With. 2 o% K" _0 d. |' h, M- L1 q/ E! C% e* Sw/o Without. Z5 e6 R$ a& d/ ^: d. sW/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. , f" s' S5 H7 {0 d( WWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area & q2 P$ s, O- L: t. }5 U, iMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). 3 P. c' r" v4 O& zWAP Wide Azimuth Probe. ; g9 P7 W- n( I5 k8 L6 u4 DWar Game A simulation, by whatever means, of a military operation involving two or more 6 U# A, |6 J, \+ [8 d; Mopposing forces, using rules, data, and procedures designed to depict an actual ! q, G: a4 X6 H* Eor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and assessments. : r) s: Y5 ]9 x* j0 \/ \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, # x$ W. D; j- w/ r$ b$ e% Nairframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. + O9 V9 |+ w( V. N; {9 oWARM 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. # n; D- g0 \0 O# w& c6 n1 CWARSIM Warfighter Simulation (US Army term). & a0 W! S* I) N+ k8 O; tWARSIM 2000 Warfighter Simulation 2000 (US Army term). ' Z& X$ l: S, d) J3 A& v& vWartime Reserve Modes (WARM) 2 X- j1 m! @# n- T$ z9 @+ eCharacteristics 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 6 Z w1 P& t: J: a! I6 ?known in advance. Wartime reserve modes are deliberately held in reserve for $ [2 r* r, H7 }$ Y2 rwartime or emergency use and seldom, if ever, applied or intercepted prior to , M5 g# V! \# J. f5 R$ I) A/ s5 Jsuch use. ) ?9 l& g& ?2 q. |% h. hWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. + Z+ N: [6 @/ o# {. T7 jMDA GLOSSARY, VER. 4.0 W 320 " Z5 Y0 @9 G& ~* }WASHDC Washington, District of Columbia. 0 G) b' u( G6 ]Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. & B% _: T: ~. @9 V; w# |. a( IWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs , O% I' H6 f7 T" W fto watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. 3 ]3 ~: b) K v k& A' U/ cWavelength The distance between two points having the same phase in two consecutive 4 U M, w7 N, I; j) Q1 Ycycles of a periodic wave, along a line in the direction of propagation. $ _ H6 D8 G1 S: G( s6 S* i5 g- {( a! OWB Wideband. WBM Weapons Battle Manager(s). 7 s( v7 b8 O* n& Z; W9 ^WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. 0 D3 E" ?. h0 {- ]; eWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. : ?) E2 U7 {" r; i) _WCS Weapons Control System. ( e* h2 `. C9 G3 ~+ \0 O+ hWDM Wavelength Division Multiplexon. ) X8 n1 y! g0 l/ j' r& QWeapon Enabling The set of control functions without which defense weapons cannot be launched.