航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 - ]+ Q! {( D5 m7 G7 B0 Y0 {9 P- qTheater Missile 2 d! M2 O, L, L5 B! cDefense Council ) l7 o/ D" G- j8 O; X(TMDC) A consultative body for considering TMD family of systems planning and # I! G+ z5 i8 D# K+ a% \programming issues; chaired by an Assistant to the MDA Deputy for 1 V% K7 a: R$ n7 HAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. ! D8 l c2 r+ ^Theater High 7 t3 D" ?) X& V& oAltitude Area Defense System (THAAD) 3 v+ y7 W X- H- ~- wA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at " R4 M0 h% s6 g# k9 W4 _& i0 U: h( wgreater distances. Will provide an overlay or upper tier to point defenses such as 1 D: V/ B. F2 U9 s, Z$ _PATRIOT. Theater Missile (TM) + m) R+ g' v* X8 \A 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 7 s$ l! {0 t5 Y- d% ^of attacking targets in a theater. $ d/ }. j# H6 QTheater Missile Defense (TMD) 9 k% ~5 A- e" V0 uOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. ( w: I$ {' w% pTheater Missile Defense Ground- 2 C6 P M9 Z2 ABased Radar (TMD-GBR) $ W: I' i* }1 [0 \! {A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as s, z' T% C3 \8 c( H8 f9 |9 VTHAAD Radar. ; p0 n* {" e0 m* O) O4 E6 w; VTheater Missile # s0 Q" l5 g( U4 a' ?) m% oDefense Initiative ( d- \0 X2 `2 b6 L: y(TMDI) ' h5 J) l* `$ bAn 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 ! I6 B1 U3 z1 j# w3 [1 Z6 a, Z- o(Public Law 102–484) directed establishment of a TMDI office within the DoD. , f2 @( ]2 f3 Q4 f8 \0 X3 wTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally 7 u( K/ ] ?* C4 m6 @expressed in terms of calories per square centimeter. & F+ B, X& S+ AThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. 2 q8 S+ I6 P5 y6 w+ UThermal Kill The destruction of a target by heating it, using directed energy, to the degree # Y2 j8 W; k. k4 Kthat structural components fail. 3 ]+ \7 f) D. ?1 VThermal 0 ^1 E4 C# e% k- a3 kManagement ; ~5 U3 B# \8 ^4 h7 L& \Technologies/techniques associated with the control and management of 2 C+ H4 d, x% L7 k+ C7 n2 nthermal energy, its generation, dissipation, and recovery. & _( ]" S; p7 v- c4 NThermal * C& G2 V3 B; @, C5 a& qRadiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 5 b* R# L; k1 p! d0 Bfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal 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 " o# Q4 n9 ?7 r; e dabsorption of this radiation by the ambient medium, accompanied by an increase " h3 V6 ~6 k* {5 z, O7 ]7 N, F% Sin temperature, which results in the formation of the fireball (or other heated 4 F) ~/ q% W+ z0 ~0 u) |region) which then emits thermal radiation. (See X-Rays.) 3 J; v4 P! g0 |, D8 Q" E% OMDA GLOSSARY, VER. 4.0 T * l: h k6 \" T) K; o6 B, A2 j( ~299 " ?5 |' \8 B) a+ d+ R0 N' ~Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; : C9 v' Q1 o0 `$ Sit is a region of more or less steadily increasing temperature with height, starting 8 {1 d, Q& r9 c. ]at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the {# X5 V5 g8 l. U* b! hexosphere and most or all of the ionosphere. Threat " e. G( h9 l0 @% DCharacterization * k" a& f1 b/ d2 r' p2 ^: h$ v5 FAn assessment of the nature, magnitude and intent of an attack in progress. o5 H0 D0 O+ g( H' n; d+ WThreat Corridor 3 Z. H, O6 j6 U8 T/ X(Threat Tube) A tube containing all the objects originating from launch sites and aimed at * e W1 K: r' @+ [& jtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. 7 U# q' {; S3 }8 q ]% DThreat Scenario A hypothetical example of the employment of threat systems against ballistic ) D3 M* _ j: z) Q' ^0 M+ fmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. + B8 o! V, V7 G. t* zThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance 4 _ U9 k$ w) S8 @. D9 X2 e; ~objective. , Q* |1 p! H& rThreshold Q7 u7 b) r& KDefense 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 offense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) 6 Z5 a$ o* j# o! T0 lConical decoys equipped with a miniature rocket device. Generally used to 1 X3 W' C1 K: ?" S. wchange the decoy’s optical signature to resemble that of an RV in the reentry % |" n5 d$ |- p, @% Hphase. TI (1) Technical Instruction. (2) Technology Insertion. % M) O5 c& z$ ~0 ZTIARA Tactical Intelligence and Related Activities. 5 Q! B0 H2 q, S3 e/ c7 UTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. + A7 s' }4 v2 K( O6 B6 p6 WTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. ' H* G( w% M' `) \Tier An integrated set of SDS elements that address a particular phase of the threat (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. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased 3 v- A; E t; ]Force and Deployment List ! D& w6 [7 ~2 P( ~+ d- PAppendix 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 debarkation or ocean area. Time of Flight 3 t3 ]( q: V/ {/ H! y% j# `(Max) . v+ |$ X' b; m( c) y- J$ XThe maximum time for a booster or vehicle to perform its function from time of . t7 z8 g! k9 B& v0 Y7 b( d* J3 glaunch. ! h- E) @2 p9 j" _3 F- |; z( B3 e+ ATime on Station The time the sensor is in its operating position. / y, `- Y2 O: w4 m# h4 ]Time Sensitive / }2 X- b. M9 D% d LTargets 6 m" w* t* U) k( |2 ZThose target requiring immediate response because they pose (or will soon 8 Y: A$ O) w4 v; @; v7 Apose) a clear and present danger to friendly forces or are highly lucrative, & }" L, o% F7 ~8 x) i% M: @3 `fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. ! }2 \6 ?* U) `% g' O- YTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) 4 \3 X) O5 x* R; x$ k ]" ]TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. * t x4 o' e2 p$ t! L$ ~1 lTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) 4 O1 Y( e# h M( |% uTL Team Leader. 5 k' p* C' B) UTLA Time Line Analysis. TLAM Theater land Attack Missile. ( t/ s$ z2 Y7 }% JTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. ( b; N4 [ j0 H/ v6 u7 N$ tTLX Teletype. & s+ X; ]5 ?: c" O6 q N* [TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 $ N7 V6 m5 |+ g! {4 A: t) KTMD C ; a( G6 }9 f9 z8 `5 \: h3 I Those assets that provide connectivity between and among Theater Ballistic , I( z7 W' T' l0 F- y5 NMissile Defense forces. ' b( p: ?7 B( @0 R0 j, M0 N, ATMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 1 }1 D! o7 D1 U5 iTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 8 H: p3 S4 `% j2 s% KTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. & J! x: N3 d8 K6 bTMDAS Theater Missile Defense Architecture Study. ! m/ |) B t/ ZTMDC Theater Missile Defense Council. 4 C; D/ n( a5 u" {4 YTMDE Test Measurement and Diagnostic Equipment (ILS term). $ T2 d! B* D0 I6 P! Q, E( M* FTMDI See Theater Missile Defense Initiative. % I3 S& g1 ~& B! yTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. + f% ?" U* A% W: cTMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. / F0 p9 a2 P d4 q, u4 u, M hTNF Theater Nuclear Forces [Treaty term]. ! t% X7 }0 D6 U7 Z7 V/ uTNT Trinitrotoluene. : M" i# S, }' {( I8 wTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. * x2 }" `9 E2 }& c9 VTOF Time of Flight. 1 |/ {! y& ^* x4 b; D5 f7 P" P1 ETOI Track of Interest. % R# [( B5 k" q0 Y6 |TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal 6 X( p1 M- V; b: z8 Mconditions. 2 X) _" ~2 F# N6 Y3 |- ^& ?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. 9 C9 }' O a) B% [9 U. pTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. ' K2 b3 e$ \9 v9 ~* e" YTOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. . S4 [' G3 X! H5 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 desired level of detail is achieved. 2 q0 J, L; y& t/ Y% YTop-Down 2 d1 d0 i5 r$ `/ N: V9 B A" g" n9 ^Testing 9 P; `8 U5 \; lThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. " S# Y4 T! e$ f- j% aTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power # }0 G: o& \1 B- f$ z) wtechnology to U.S. BMD applications. 4 I9 s* S Z, P) {TOR Terms of Reference. $ b9 z- t, g) l# CTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target + p* _" H. e" l* g' `Total Obligation ! O$ w; P+ o) g; `' P( nAuthority (TOA) 4 B% L% I4 o% r/ P" w I) J% eA DoD financial term, which expresses the value of the direct program for a given ( V% r6 w/ }) n- Wfiscal year. Total Quality Management 9 }" _! S1 ]9 {' J3 M7 u(TQM) , p+ x5 Q3 N7 h5 p( y# [A management philosophy committed to a focus on continuous improvement to / ?! H& Y& O* S" d" w) ~product and services with the involvement of the entire workforce. " r4 C7 h/ V+ a+ m ETOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. $ O a7 J5 {. wToxicity The kind and amount of poison or toxic produced by a microorganism, or 3 K* f/ j! J3 W. [1 [4 L, apossessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. ' g6 `1 ?- w% [, V6 r2 BTPD Mobile Tactical Radar (US). ; R! H) f: S( v+ f( q8 f* }: u2 S; |TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T ; {! ~8 ]2 ` B303 TPEC THAAD Performance Evaluation Center. 4 t/ t: r4 P; o* [) B" L. f7 D# LTPEM Technology Program Element Manager (SDIO/MDA term). 0 f" W/ x) ^% `' U( bTPFDD Time-Phased Force Deployment Data. 6 j$ u6 \4 o( _* e& c, Z5 ]7 S$ S2 LTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). 6 x1 N9 _, f, D3 tTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. 5 E9 I0 l* [; l2 c( T% FTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. 8 P2 L6 U5 d! q, f3 H; z KTPS Thermal Protection System. 1 w9 i- K1 b8 H: p7 L, e0 nTPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 9 T X$ z* v+ ^" w% } B0 H0 eTraceability (1) The characteristic of software systems or designs or architectures or # S1 _- f# b( F3 ?0 Edomain models that identifies and documents the derivation path 8 U- K: u* e8 ]1 f' L(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate ' t! p' W' _! trelationship 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. ) J" U7 F$ v4 s(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. & C' J( v8 X `" q* o% U& ](5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track Assessment ) O3 o' a" E5 }The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. 3 p' K! t1 Z( X* }7 A+ dTrack, Birth to & X2 r: E# N8 M% X5 FDeath The maintenance of an associated track through all phases of flight (i.e., boost 5 K- B+ y O/ ]to reentry). ! J' e4 B3 a4 v# ?) JTrack Correlation The combining of track information for identification purposes, using all available 8 \; d# h: M3 u3 h% x# Ydata. Track 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 1 V& w9 r, Q+ H, b& e# ^or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of 0 L& ~3 a9 `6 uthe above. # B# v. o/ i: e6 T5 mTrack File-Track ) u* u s. a, P* j' xHistory 5 [ s- n1 z' u; _5 BA set of individual track reports on a particular object, which taken together / p; G' R( x B. k3 E3 yproduce 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 z3 @& W7 V) o9 Uthree-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 any other features of interest. Tracking and Pointing $ G: |" F8 U: h; r2 L+ ROnce a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing ) y, b8 \4 t k7 f- a* c. ?are frequently integrated operations. Tracking Range ) b" }0 @# k- o/ k4 {1 v(Max) ' o; h. t2 A6 {/ u @) kThe maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector * t- |. l5 K! r2 a. N n: e2 l+ Lof an object. The process typically requires observation from a number of frames. Track Production ! `9 _. J6 g- V! G- ^, GArea * S5 C, ~( w/ ?+ H# c( M& O1 uAn area in which tracks are produced by one radar station. 8 b h) G8 e$ I- ?" z9 M. qTrack 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 between command and control systems or between facilities within the systems. ; l& J0 Z* l3 m7 s, x% \Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum The maximum number of objects per unit time which the sensor system can maintain track files. / G8 X% Z% ~, Q$ U% {' g' u7 DTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high ; W; y8 D1 r3 |' x& U# vendoatmosphere. : p9 {* O& g0 l: u6 v$ z; WTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. . M% M! x& [6 m9 ?& L- mTrajectory The curve described by an object moving through space. Trajectory Histories Trajectory information on targets recorded over a period of time. $ D/ X8 I; I* C8 f& ^) u9 B% m" NTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. 7 d. X: h% S' xMDA GLOSSARY, VER. 4.0 T $ B3 n M$ N% d A Z305 " y+ @) ]# m% OTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. 1 e$ n1 ]$ @* e+ i+ sTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to # d9 N5 q$ N9 C1 ~+ `; j0 }! ^Production 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 : P0 T( X4 y! h* g' hprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) / s9 N+ E3 t0 T0 D2 Z$ c( E% tTransmission Security (TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 8 Q& R j5 u# S7 [5 D0 y7 T6 L, RCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative 1 I( B& w# ~& L+ M# a: ]% C# q) f0 sspeed of the fluid is subsonic in some places and supersonic in others. This is ; t0 O' W* ?1 R) t" Fencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. , y1 a4 g. V" j0 `1 W# nTrap Door A hidden software or hardware mechanism that permits system security % q- j8 `( D+ B! Rmechanisms to be circumvented. Traveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in 8 f l2 h4 M, [5 G+ ?% Zsynchronism with it, in such a way that there is a net transfer of energy from the 6 u6 u+ A' b& H9 \4 p" X: N# I5 Tstream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. (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 % R O( A9 C; \) \& jas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. 0 ]* ]0 X' s$ kTRD Technical Requirements Document. * `9 _( d2 |2 u, `, j0 DTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. k* g- c$ @' ^& STREM Total Radiation Environment Model. TREPS See Thrusted Replicas. % X% n! q, l( f# L( a' DTRESIM Tactical Receive Equipment Simulator. 0 g7 h# q. o6 j# {, J- }! d& ?MDA GLOSSARY, VER. 4.0 T + e7 H* |6 J4 x) [+ E306 7 T! Q! l w9 V/ q1 oTRG Threat Reference Guide. 4 y4 H7 U' [! M, {* ?. iTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 9 D8 _: W$ q/ N/ u2 f1 |TRIDENT I (C-4) US SLBM (USN term). 7 Q, O3 t# G. W( L0 r4 y& OTRIDENT II (D-5) US SLBM (USN term). 2 ?6 W: C1 ]1 I' {TRIM Toxic Reduction Investment and Management. 0 j( e5 }( B8 S0 uTRM Technical Reference Model. - T8 Q2 z2 b$ I# p& uTRMP Test Resources Management Plan. $ F% t, n5 X( H# r% i- [( UTRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains : A0 ^/ V& E# Y6 Z2 i9 sadditional (hidden) functions that surreptitiously exploit the legitimate ! ?3 k% x1 X: `1 I% Z7 Kauthorizations of the invoking process to the detriment of security or mission & B% z/ }) c5 t* o1 o9 {9 L( zperformance. / ^ Q( G* }3 @6 XTROPO Tropospheric Scatter. * j: V: a$ e/ v' a- J% bTropopause 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 , M4 C+ J& x/ `: @; Z5 k' [$ Qtropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to 8 v$ m0 d8 W2 [: n+ `7 C. hthe tropopause, in which the temperature falls fairly regularly with increasing , g$ E- F0 G; Q! U. f; taltitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric & X; j8 B1 ^& G9 k/ hScatter The 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. (3) Technology Readiness Program (pre-acquisition program status). 4 R, Y( [) s! f! l% d6 \6 O) s0 @! C(4) Technical Requirements Package. 9 Q9 ?2 _9 p9 g9 S3 ]( JTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. : C, {- Q+ y5 }, s* Y! r h* \Trusted Computer System/Software & l4 x9 U8 e* Y- d5 a/ I$ B9 z/ ?A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 2 ^. l! e' l. d6 l( h a8 r5 S( QTrusted 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 of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 7 k. s5 f; `3 K3 L% H0 {6 R. `. ^307 " _$ w7 m+ y2 M0 `TSA Technology Security Analysis. # a; Y6 @" s8 T3 ?1 i0 `TSD Tactical Surveillance Demonstration. 7 z/ w k7 ]/ L. VTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. 9 ~: b7 ^$ M& `. C. ]& jTSDE Tactical Surveillance Demonstration Enhancement. ! n% e5 n) m5 |) fTSEU 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. TSPI Time, Space, Position Information. # R: T+ p( Y4 d. xTSR Target System Requirements.

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TSRD Target System Requirements Document. 3 S- S+ N8 Q6 w1 `$ ~TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. 6 N! X+ f6 @9 Z, m7 xTSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. {3 Q4 z( u% F7 H' h6 I- LTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. 8 b$ T& y9 f+ I0 `- }7 X( QTTBM Terminal Tier Battle Manager. + ^# e4 n( r9 Y- n- `2 H% M+ O9 WTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 0 O( v7 s7 U+ c) S$ \; m6 qTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. 9 F( x. K2 G- R2 X# yMDA GLOSSARY, VER. 4.0 T 308 : _; W7 g" \. Y" w4 H2 aTTV Technology Test Vehicle. TTY Teletype. & n2 e* z" z4 W# F, d/ fTUG TRACE User Group. ' Z% Y+ `* `9 P! h zTV Thrust Vectoring (rocker engineering term). " G. _4 b4 D- [. C& JTVC Thrust Vector Control. TVE Technology Validation Experiment. , S: ^1 P0 A; D5 c' F( ^4 ~: y) LTVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 9 C2 q7 h) e$ UTY Then Year (PPBS term). ) L$ y) r8 u4 ]TY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test 1 ]) m' M7 ^: ?1 b- D& Y9 [; cprovisions to assure that all requirements are achieved. Essential physical 6 D3 a* T# s) ~, `constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - 6 a8 Q6 i5 r$ Z+ G: jDevelopment Specification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the ! k( t) E; l& ]0 a1 Pdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product Specification V3 X% `9 M5 q2 {6 s. wProduct specifications are applicable to any item below the system level, and / Z! O1 a2 o. mmay be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. 0 H+ N0 ]4 m0 q. p3 Y8 hTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 9 U1 m! w% E1 ^; n8 h, @set of characteristics, and associating the characteristics with a specific class of 8 ~) @7 Q' _9 Y- q+ Mobjects (i.e., SS-18, SS-24). ! O5 E) d3 Q% A0 ^' k! W7 H7 TMDA GLOSSARY, VER. 4.0 U ( d& i7 S* Z4 X7 G9 F9 {309 ! w- ]! ?# a9 A% I1 C9 y( e5 xU Uranium. ! i8 O" P7 V9 o6 q0 z0 NU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. 0 ]9 L0 ^' P; b/ VU.S. (US) United States. & A) O5 m3 u/ j: jU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. q3 L K# C/ F/ t6 j0 jUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. # v$ \/ m% m; x8 ]# \UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. 8 w, P" s q: d! E) E9 H8 E: \UCAP UAV Combat Air Patrol. $ r! T# k# ?: [UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. ' x( r1 u/ |- r1 I' vUD/ASD United Defense/Armaments Systems Division. % v( J9 T! ^' H) \' P% ~UDMH 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 ' Z) H7 f% n: E4 K7 o/ B7 Tcapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the 9 r' w$ t3 f5 I3 H6 D2 nProgram Introduction (PI) (also called the Program Introduction Document (PID)), 2 a4 A7 _9 }3 }, M; C5 e7 {* Y2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 9 z, I! z0 B$ Z$ P7 {$ K( FOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the - i8 m" h$ ]2 J. DOperations Directive (OD). The UDS was developed and is regulated by the , B/ w" q) r( ?Range Commanders Council (RCC).

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UE Unit Equipment. 0 v, a/ R2 e3 B: N! q9 K& eUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. ) e* }2 f P8 V( v5 x DUF4 Uranium tetra fluoride. 7 k* _: H7 V$ b' f7 hUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 5 R0 X/ j+ y. p: ~2 ^( y4 k2 U3 p310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. / |: {; X3 t* U) {6 k3 m3 T8 ZUGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. / q: a# Q' c3 ?, AUIN User Interaction Node. . n u i, ]- @- n* S' KUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. - m1 Q/ z# B5 v" D0 \. F4 u9 RUKTB United Kingdom Test Bed. # [% R2 o _( P+ GULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. % p3 W4 E/ h# u; @ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. 8 U; W/ X2 u- n& {* WUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. 4 S2 s: J# p+ _ gUNC United Nations Command. 7 b7 m) Y) L: yUnconventional Warfare ! a1 Z$ Q$ T+ O: z9 VA 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 and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. - i" y: h% h' m) f' N2 W( aUnified Action 1 r8 s! v4 U' C0 s$ uArmed Forces A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary x7 F4 @- X+ | E& pof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 4 m6 C& z7 Y( i( X. D5 h311 UNISYS UNISYS Corporation. , j& i+ U7 C3 C9 D; q% F- O5 oUnited States Army ) E: Q0 b6 O; Z4 H6 kSpace Command / F4 ~( Y( i; H! s1 r/ a u! h/ E(USARSPACE) 9 G9 m1 U" x$ C) L9 e% vThe Army component command of USSPACECOM. Responsible for the Army 9 I, C s' P8 _+ J- l0 Z T% xelements of the SDS system. Located in Colorado Springs, CO. # T, o6 v/ w' |$ o0 v& f2 VUnited States Space Command 1 R4 K5 ?. `) G# u+ l9 u(USSPACECOM) / ^; d! E/ k' j; K- g8 zThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. 2 w2 }7 ?0 I! @United States Strategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 4 o9 x ~1 Z9 L/ r2 K/ r& fmissile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command - i# u8 v3 }8 x(USTRANSCOM) 0 }* v7 M: s$ BThe DoD unified command responsible for providing air, land, and sea : [$ g6 m+ h/ F( Y1 d! U' ttransportation 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 terminal services, and commercial air, land, and sea transportation, including as . ^ k) l( ?6 j) Dneeded to support the deployment, employment, and sustainment of U.S. forces 3 y( m% H! X, \+ }0 ]on a global basis, as directed by the Secretary of Defense. Located at Scott 4 h) } i ^. c A- T% C; LAFB, IL.

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Unk Unknown. Unresolved Objects ! s' r4 }) @8 I5 c9 H8 p! sObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. UNSC United Nations Security Council. ( z, X/ S# D- x* O! eUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. : {2 ]: m, T0 U' `. NUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. 7 Z' t+ o+ x. T/ g7 {7 IUQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. 3 S: v+ d' j; L$ `' B) AURL Uniform Resource Locator (internet protocol term). ' M; Y2 I n$ b8 R u+ P! KURT Upgraded RTD. ' q% e2 x' H" u) H, CUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. $ a! W* P) ?" f6 |" `- y$ r& \USAADASCH U.S. Army Air Defense Artillery School. ) x" u+ Q2 f( y- NUSAAE U.S. Army Acquisition Executive. / P+ _1 Q" f! fMDA GLOSSARY, VER. 4.0 U 312 8 Y x) j; Y V* S3 fUSACE United States Army Corps of Engineers. 0 `% h6 Y6 R. a/ BUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. 1 u$ x0 H& x# F3 n+ a- RUSAF/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. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 1 |2 l ~$ \" c- GUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. 9 D0 i/ [' v% W5 @6 r: ^8 {9 r( vUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 4 N. W8 a+ u6 J$ m) V: aUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. 8 ]1 C% ~7 _8 [/ qUSAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 8 K8 M( `/ n9 BUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. 7 `- S( \8 [; D% mUSARPAC U.S. Army Forces, U.S. Pacific Command. $ l* F0 E$ w, w- I- A1 aUSARSPACE See United States Army Space Command. 3 s2 J, J0 L% ]7 u/ E C% [USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 7 H3 ]2 O6 o1 }. |& ?4 nUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. % a& X- b) e( B& R$ w* p3 QUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U ) X5 C+ k4 c) a- V9 h" I313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. ! Q; w, u: q. i/ {USCINCCENT Commander in Chief, U.S. Central Command. ( Q. H) d3 G; W1 E0 KUSCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 7 \1 i6 q8 L4 U; J+ FUSCINCPAC Commander-in-Chief, U.S. Pacific Command. R( p( K9 e* ]" |4 gUSCINCSPACE Commander-in-Chief, U.S. Space Command. ! e. c, T' @' i+ wUSCINCTRANS Commander in Chief, U.S. Transportation Command. , f/ q+ ?; ~% z! v8 EUSCS U.S. Customs Services. USD Under Secretary of Defense. ; y: [) h7 r! JUSD(A&T) Undersecretary of Defense (Acquisition and Technology). & c9 k8 o; p9 M0 CUSD(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. # N* K4 M; u" t$ E" }2 v3 G/ |6 OUSDA 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 3 o9 ~0 h' f1 ]% ?(hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation System (UOES) 5 P/ |! p) E" R: }* q! ]+ n- N" bPrototypical system developed and tested as part of the early phases of the $ e, M' ~$ B( H# m* V6 jdevelopment process. A UOES has two objectives: (1) testing, evaluation, and $ m7 y8 b0 y: Q9 \- ptraining for a system proceeding through the normal acquisition process; and (2) " X: `" ~9 r5 H2 r$ \8 G' \/ V* s3 l9 {contingency 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. USFK U.S. Forces Korea. - M9 N" N8 t" ?( I1 V$ H. DUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U % s! n# A7 B+ T" e/ T: H2 R314 0 D" a0 u1 r3 G9 @. Z+ g1 Z2 V, GUSLANTCOM United States Atlantic Command (Now see USACOM). 9 O/ ]6 Q# l4 r& I; C, ]USLANTFLT U.S. Atlantic Fleet. USMAR- 7 F2 L2 o! c& u; l, T# AFORCENT + b: A2 j' ]8 z/ n3 L/ QU.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. + q( I0 l. E- I% PUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. - v/ D. H: `1 S0 z7 c6 L2 z, aUSMCR United States Marine Corps Reserve. . E9 o& V0 Y. a% Y" VUSMILREP U.S. Military Representative. ( ]& Y: l# h2 s( nUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. 7 i" N4 z) f; C$ zUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. ' N- B. |0 A! S" K7 p; b1 K7 CUSNPGS U.S. Naval Post-Graduate School. 0 Z4 U; H7 `' U7 u" nUSPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. / i4 i/ b6 _* [' g5 J2 p1 |, ?USPACOM United States Pacific Command, Pearl Harbor, HI. 0 q2 A7 F6 t i! o/ j5 J/ {6 H+ gUSREPMC U.S. Representative to the Military Committee (NATO). \7 j) o& m7 L, l0 e: n1 N+ y7 hUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. + o0 |5 x% O, ]7 I* vUSSPACECOM See United States Space Command. USSS United States Secret Service. 0 B( J$ [( ?3 d# [USSTRATCOM See United States Strategic Command. 6 U: ]% t" O o) K! N0 rUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. % u9 ~5 a8 q/ }( C$ R2 ^( hUT Universal Time. 9 ^' L1 j; ?1 Z2 ?0 F( hUTC Unit Type Code. ) F5 L1 F( J- B( W$ z5 ?MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. 2 _3 `. }4 O, o. ]. hUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). 9 @9 N$ P5 l$ t' z8 u4 ^UV Ultraviolet. UV Electro- Optics ( @& ]4 J; z. z/ V: d7 G: mTechnologies/techniques employed by optical sensors in the wavelength 0 K9 J, g5 P9 |( c* ispectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 6 [/ A, S! J3 v. O6 k9 q! Z, y316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) o5 e9 M9 S* @# t& YV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, 3 `" F; H$ r+ {: i; etactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and % E; v) z% F+ c5 |0 huncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). 6 g- l1 {' N" M- v/ o/ Q( E* g* x1 zVCC Voice Communications Circuit. ! J+ w+ D4 @* v0 A! DVCRM Verification Cross Reference Matrix. ) E- U# K& n1 E, v: Q1 QVCS Voice Communications System. ) U# `, v! z) t. t4 wVDC Volts Direct Current. % x7 ` k' V4 V$ \* P# QVDD Version Description Document. VDU Visual Display Unit. 3 |" R9 H& U6 x: W& BVE Value Engineering. ' g2 {' q% t9 g: h" e& k$ r1 qVECP Value Engineering Change Proposal. % k D: K- S8 u9 P1 r* X- v$ T/ ~0 `0 RVerification (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 ( d3 k/ k8 ~& ?. y: M$ j" Jof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. 7 R, n& U( T/ v) W4 YVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). , o* Y5 l# m& b; i$ s- n/ g- aVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. ' f( R5 g3 \5 M" O7 u, WMDA GLOSSARY, VER. 4.0 V 7 }/ H# y3 } |$ y* F0 W' g) ^317 6 B; {. K9 t. b" Q0 LVIDS Vehicle Integrated Defense Software (USA term). 0 f- q! a" _. s( m8 l/ MVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 - Y+ @2 X0 X+ @2 ]0 kOperation 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 . z! z% I" p, m u1 L1 V( Jcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. 9 i! B* Q( C6 }$ q& XVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. 2 K8 ^8 H+ m6 D, I& B% N' w1 pVIS Visible. VIS/UV Visible/Ultraviolet. 9 y3 i1 T: [6 C6 V$ }Visibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 8 t; z- m/ v. t8 d, [6 i9 ~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 1 P4 j! j1 [' W; r2 Sexceptionally 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 kilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. % W2 _( y9 P+ s7 R/ ^& T& u5 ]3 ~. OVLAR Vertical Launch and Recovery (UAV JPO term). , o* e' s k5 {' e0 j0 CVLF Very Low Frequency. : f, ^# r1 p$ j: m; @9 @7 T5 WVLOS Vertical Line of Sight.

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VLS Vertical Launch System. ' ^# j4 }6 `* ^' s+ B, ]0 e2 yVLSI Very Large Scale Integration. , C* }- M5 ~- n) GVLSIC VLSI Circuits. $ V2 V! q1 A n3 @$ M! D- uVLWIR Very Long Wavelength Infrared. * V5 |7 x7 O7 z! LVME Versa Modular European [standards]. # ?1 N8 L A2 s: X/ Q1 qVMF Variable Message Format (Telecomm term). # @& e6 Q6 r; B/ U2 R# uVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. & o5 `7 _1 e4 Z+ MVTC Video Teleconference. 5 K. U+ L- B+ I: {7 oVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. ; X: k# g2 i" G8 S# EVUE Visible Light/Ultraviolet Experiment. 8 Q$ I: Y4 N1 hMDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 9 V% P3 Q$ W/ ?# d& g1 nW/ With. 0 b3 g3 @. x. Gw/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. 2 m% i& l6 \- s* v; ~& bWAN Wide Area Network (Telecomm/Computer term). " a9 y$ W' b; Z9 E( m# BWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more ! P V" C8 i# dopposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. 5 N1 z' m7 j$ C$ d# h; HWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the : e3 @% s6 \& }( d8 oJNTF for use in CONOPS validation, missile defense program design verification, / A! A" Z( s) l' a6 M2 K; Tvalidation and accreditation, and support CinC/Allied wargames and ( o/ L/ D5 h# ?; t, U: Tassessments. 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, % g% A9 l! t0 ]; g" E7 k9 r/ F) Tairframe, motor, or guidance section. ( M- J7 e l+ kWarhead Section A completely assembled warhead including appropriate skin sections and related 7 `7 e. K7 D1 u7 k6 xcomponents. 0 @" J( l% k! l+ d& nWARM Wartime Reserve Modes. 4 T, m- J8 z3 V5 Z% ]* KWarning of Attack A warning to national policymakers that an adversary is not only preparing its 1 A( B, `; L+ @! P. v, b8 p4 Varmed forces for war, but intends to launch an attack in the near future. ' u$ z. V0 S. {% H+ ]# q" KWarning Order A preliminary notice of an order or action that is to follow. * G- ~/ }; r+ j* _& H) EWARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve / g; ?, z9 k% P7 G5 c; f2 sModes (WARM) Characteristics and operating procedures of sensor, communications, navigation 3 x1 ?, Z2 y5 d/ G; W7 D. raids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing 5 M b7 p* Z4 Y9 K. U9 ^6 qcommanders before they are used, but (2) could be exploited or neutralized if 5 _! ?1 \8 C% k% `known in advance. Wartime reserve modes are deliberately held in reserve for # m& D7 s& N$ }. U; hwartime or emergency use and seldom, if ever, applied or intercepted prior to * p. I/ O3 e3 B7 t8 {such use. WAS Wide Area Sensor. : u0 r+ l2 Z% ]- u1 _! t4 j2 ?WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 9 e0 H8 H- H0 { W p+ vWASHDC Washington, District of Columbia. : j% {5 P4 H* f) x8 k9 _- ?Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective " P/ q0 U4 j Nin contributing to the defeat of the offense. Watch Condition (WATCHCON) + P9 N6 T. ]0 W& |8 aSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation. WB Wideband. ! ]! q7 r7 i3 U$ Y3 qWBM Weapons Battle Manager(s). ' a1 A, t$ i7 y9 `$ F7 uWBS See Work Breakdown Structure. WCC (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. 0 u2 C$ |, S3 B1 t9 S1 fWDM Wavelength Division Multiplexon. / q9 u' B* P `8 A2 m+ U$ RWeapon Enabling The set of control functions without which defense weapons cannot be * C) {7 |8 D, W V# @, @launched.