航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 / i* X4 G \$ e& l" D3 n; zTheater Missile Defense Council (TMDC) 0 k& n1 H; w: J* Y. ZA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of - ]" @; b; B+ y2 ceach applicable Service Program Executive Officer, and TMD Executive Agents : v" m, o8 a" W" B* y. n7 D, S' Dand Program Managers. + \+ \. n- I& aTheater High 6 |+ T4 G8 D J8 oAltitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at ' U0 N+ Q. F% ?greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile # P; z: n* Z4 c6 V(TM) 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 of attacking targets in a theater. Theater Missile " T! e( }; ]$ J* L+ h6 F8 XDefense (TMD) 9 P3 `4 g0 N: X0 z: t4 |) w- wOBSOLETE. The strategies and tactics employed to defend a geographical area * f. c9 `$ X# e: W0 @0 G1 {outside the continental United States against attack from short-range, ; b7 G) Q' N+ T0 h4 z: p% Lintermediate-range, or medium-range ballistic missiles. 9 O) p+ R2 }! b3 b% x; ^- TTheater Missile Defense Ground- % ^& w+ i- n) I( D* w' s$ XBased Radar (TMD-GBR) 6 z; b) \ Z$ K, C5 s+ v% eA ground-based, air transportable sensor that provides search, tracking and d' S# c+ |1 J Q$ n& ?3 Jdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. 1 D8 S; f) h4 a+ [. E# r- F( Q- ETheater Missile 7 _7 v- o; p( t( XDefense Initiative * A( [' \" p( c6 i8 U% b! X( Y( [3 B(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. THEL Tactical High Energy Laser. 6 X# f! F i3 S0 hThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 2 s3 I2 a" B6 u* Xthermal energy received per unit area at a specified distance is generally - a0 z3 c; `0 fexpressed in terms of calories per square centimeter. 6 t2 C" r7 \% z3 uThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or # v. i% \; c4 P4 |" J1 M! x1 ^reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. 7 {' y* c/ r r3 K$ G' iThermal 2 j' s( B- a+ ?; l* H- }Management 9 a1 e$ U7 J! k8 GTechnologies/techniques associated with the control and management of , x9 ~3 D1 N0 h) ?6 x W' vthermal energy, its generation, dissipation, and recovery. Thermal : \" S2 ^" t/ s2 c% {4 j7 fRadiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the + T- T) T" T3 i7 p) d8 i ?+ [fireball 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, # w7 }3 |/ B- \& ]+ O+ demitted by the nuclear weapon residue by virtue of its extremely high ) Z/ W" e& f' H( D# q% P! { x- rtemperature; 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 ! {- G# X; t* |0 D0 _' K' h+ Gin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) , f. }4 O8 l0 M2 PMDA GLOSSARY, VER. 4.0 T 9 O8 k0 C1 h+ P8 c5 E, d" p4 q299 1 \3 l( d G) |& o& T, f7 v' z0 TThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting ; y: Q% ~9 B7 D; }$ ~& j3 O) Oat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. " ?- _' b, X' i& Q! |7 ZThreat " j8 F/ }- l I/ Z1 C$ N+ sCharacterization / ~5 r* ~/ r6 H0 YAn assessment of the nature, magnitude and intent of an attack in progress. # \/ E+ c- }) K, w5 m% E5 [Threat Corridor 2 V8 U( M2 C" d4 Z! ` t) y(Threat Tube) 6 x4 u* _9 E+ x; T8 lA tube containing all the objects originating from launch sites and aimed at , s4 W N, a& W; f' Gtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. & ~" Z4 Z6 A( w/ V- i/ R0 s7 xThreat Scenario A hypothetical example of the employment of threat systems against ballistic $ U0 c8 b2 C( {' J) i7 wmissile 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 $ b$ o: @, j" p$ r6 z' R8 f, B$ o _! [value (threshold) required to satisfy the mission need and a performance objective. 4 ?8 g: b4 x! i. ?7 ~2 \Threshold 0 ]! W( ^* T. ]; dDefense 2 c: I2 S6 K9 a" t' m# OA defense strategy that concedes that the target can be destroyed at a price % o* ^( U) }2 H! R, rthat is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. 2 r. \" o& [) d; B- [: S0 N- x' W+ gThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) 4 D( ~7 h& i' X# \ h' _5 w0 ?" YConical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry 7 }3 ?. F5 @ Q" I( ~3 Yphase. TI (1) Technical Instruction. (2) Technology Insertion. # a2 R& |. g1 X% K5 r$ PTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. " n0 b" A" s! b3 |( D(3) Theater Intelligence Broadcast System. % f5 O- h1 Q$ h/ v4 x$ l2 oTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. $ C) @7 p, V& h J' `TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). : G( J8 K5 I C! e2 @7 KTiered 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. 3 h6 H: O) `! d$ g' w, U+ e5 _! YTIL Technical Insertion Laboratory. # D( ?' D9 T, \: Q. c( b6 P/ qTIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased 6 W8 U& B' h: C0 jForce and 8 b$ s0 M, G5 E$ K6 `6 dDeployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual 3 m' z! g+ S5 D- b) iunits required to support the operation plan and indicates origin and ports of ! j. I' s o; V& S( V& _. r9 mdebarkation or ocean area. 1 X3 J3 O9 J. k: d2 E8 dTime of Flight (Max) & V# m/ ]' e' O6 n& S7 qThe maximum time for a booster or vehicle to perform its function from time of launch. Time on Station The time the sensor is in its operating position. ' I1 o V6 b; r) STime Sensitive Targets Those target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). & S7 A. G0 W J( E* qTIN Theater Intelligence Networks. 4 I9 S9 ~: c8 Z& U1 p( qTIP TOPAZ International Program. . ~6 f; v# {5 c: Q9 r' dTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 9 B# o+ [. x; ?9 x- NTerminal (GBRT).) ( t" ^: M' ^/ bTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) & y5 u* ?# V5 T$ qTL Team Leader. TLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). 8 r4 K8 \5 d) k/ \TLDD Top Level Design Document. 9 } P9 b! U5 _+ W" ]) UTLV Target Launch Vehicle. / [+ D9 {0 K' C& f/ d' p/ BTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army 7 ?+ o8 \# ?5 X# ^/ U9 Bterm). 5 i7 K- b. S. x/ r. A/ f; BTMCC Test Monitor and Control Center. * `8 O$ x7 e4 e2 a5 ZTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. 3 X7 q, z5 r9 X& A, a% _' _MDA GLOSSARY, VER. 4.0 T 301 TMD C ' {: m* y' o4 o5 p" O# _7 x3 I Those assets that provide connectivity between and among Theater Ballistic ' F1 n; T) `) w, u; h7 Y$ IMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). ( q8 H4 d# k# _; f: b; D7 y- WTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. 6 m' r$ j T/ Y, ^0 t9 {+ gTMDAS Theater Missile Defense Architecture Study. . A1 X4 ]- G6 d) t' o# R/ m2 H% uTMDC Theater Missile Defense Council. % F. U( G3 Z3 L( ]TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. . ~# i% u6 I: c P6 XTMDSE Theater Missile Defense System Exerciser. # h# ]: l& W& A: C$ [; iTMMM TOMAHAWK Multi-Mission Missile. : K/ d. J n5 G5 ~7 KTMP Technical Manual Plan (ILS term). . }' K6 g7 |7 ]: O# y, h0 k, \TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. ; Q9 e3 U9 w: ^TNT Trinitrotoluene. 8 r" b1 L. `7 P6 G$ R nTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. ) ?9 S- T1 b/ Y9 Y) \* ~& ^% GTOAM Tactical Air Operations Module. ' X) T/ ?" K/ H2 E# @TOC Tactical Operations Center. ; ^1 |3 C9 g8 s3 v( LTOE Table of Organization and Equipment. 4 F5 e- }) T- V0 A- e8 |. ZTOF Time of Flight. TOI Track of Interest. * @$ g+ i# G, P; ITOIA Task Order Impact Analysis. Tolerance 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. MDA GLOSSARY, VER. 4.0 T / U$ |2 x; P+ d' [$ w( g6 A/ `- ?302 TOMD Task Radar Management Details. + i( T/ j# \2 q" X( Q$ o# nTOMP Task Order Management Plan. 5 d3 C. E% X! l/ v! aTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. 3 I9 L7 C# x0 _& b x+ w. sTOOL Target of Opportunity Launch. 7 N' g9 n4 O3 M' U0 PTOP Task Order Plan. + G" |4 W- g& I, y4 `# d" \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. 0 V" F4 P% d) B) iTop-Down , R5 F# T* K$ Z2 W' lDesign - H# W( F* [, r7 T6 y5 b! X0 u/ \The process of designing a system by identifying its major components, ( B; k, N( M" {9 Pdecomposing them into their lower level components, and iterating until the 2 C F* j$ r) _% b2 sdesired level of detail is achieved. 0 B6 D, Q: z. q" Q$ }. zTop-Down 3 Z) n" a; H7 y6 T- mTesting 8 H( {& C+ s6 l5 \# @$ HThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power * U9 O( \* J; }. N* T; Rtechnology to U.S. BMD applications. % P2 @" q* N- C) m; TTOR Terms of Reference. ( ~, k" \. i; jTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation ; j7 A" H- D; B6 G6 ^. BAuthority (TOA) 7 n$ q2 o2 W, W. [! YA DoD financial term, which expresses the value of the direct program for a given / ]; t4 y* T+ vfiscal year. Total Quality Management 0 G# t0 D2 d3 F1 B' S! C4 M(TQM) A management philosophy committed to a focus on continuous improvement to % M0 k" N- L& Y. a2 t: m. z9 Rproduct and services with the involvement of the entire workforce. % B' l: g; e2 v0 Z3 J2 R% ~& [3 _TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 4 H' u" R1 D' `6 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. # i' t6 c5 O" GTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). ) B0 J% }% D; J6 k/ ^- P" kMDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. ) ?# Q, x& \. j" q% q9 t. lTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. " q( F# j t( `4 I( k2 w: GTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). 4 L# r9 y! |; cTPO (1) Test Planning Organization. (2) THAAD Program Office " C$ |, {% e3 ?. Q9 wTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target , b n6 T9 s- V) H/ ZPerformance Report. TPS Thermal Protection System. " e9 }5 q6 f( ^5 GTPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) ! G# r. T2 k9 ~3 Y. @6 Z `TQM Total Quality Management. 1 D8 H, v0 j. [- ETraceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and + D' C0 q" z5 j. @5 b' zconstraints. . R) s& o! ]( a(2) The degree to which a relationship can be established between two or 8 e& I6 _) C% l; `- o; @/ @5 h ^more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. . Y" l7 Y" G7 }! o(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. 3 @4 g. Y/ K% H, n) c(5) The actual path of an aircraft above, or a ship on, the surface of the & m }: q3 m$ m! ], }. `earth. Track ( Y% B8 A- f) r3 j9 x, vAssessment + D! q% p, g6 _) G; jThe Track Assessment looks for anomalies in an object’s track data. An anomaly 3 S' c$ g+ d3 B, Z4 t3 V# w% L) O/ zin the track may indicate a hit. Track, Birth to % G2 _% o) H6 c& Q% s! |Death The maintenance of an associated track through all phases of flight (i.e., boost 1 W6 {. X' K9 {0 X% Nto reentry). Track Correlation The combining of track information for identification purposes, using all available / g8 X: `/ [7 Z% Hdata. 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 2 H/ a7 ]1 }9 P9 p# i' N! O& nor place (e.g., reentry). 8 n, d# R/ e. Q- m6 E( F, KMDA GLOSSARY, VER. 4.0 T 304 $ X' ~3 S" p" F1 f( lTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of the above. Track File-Track History 0 |; y8 W3 ?2 E# A1 p2 eA set of individual track reports on a particular object, which taken together 6 X% T" T$ N7 e( M; J, oproduce useful approximation of that object's future position in space. 1 T5 W4 x6 f6 q3 xTrack Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and 1 j4 J: _/ W, l& B# Gany other features of interest. Tracking and Pointing . O% F5 Q$ H! ]$ Q# X `Once a target is detected, it must be followed or “tracked”. When the target is , I+ K/ C d: ~successfully tracked, a weapon is “pointed” at the target. Tracking and pointing 2 I$ I2 I4 A3 J; b' {4 l9 {( Kare frequently integrated operations. 1 o8 @; u! x1 R0 T+ n, t3 k+ y+ k# aTracking Range (Max) 8 J6 p# p" S- I9 {# \, dThe maximum line of sight distance at which a sensor can maintain track of an ( ~; ~8 w2 C$ }2 Hobject. . Q, C" ?% C0 h, N! f$ @Track Initiation The formation of the first or initial estimate for a sensor system of the state vector ' Z9 ^* ]5 N/ {) X1 U7 [of an object. The process typically requires observation from a number of frames. # K2 u* |% E* @4 k4 mTrack Production Area An area in which tracks are produced by one radar station. ( y8 z# R( a& @& B5 @3 a, V, V8 q1 `Track Symbology Symbols used to display tracks on a data console or other display device. 5 e8 v: N O+ _% _! HTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. ' n/ F0 \" y8 ?- DTelling 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. 1 g N6 M$ |4 WTraffic Capability Maximum Y9 v# n2 L4 BThe maximum number of objects per unit time which the sensor system can . s6 Y; ]9 H5 ~1 }8 bmaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high ; I; _5 [4 m1 z3 H9 w; Mendoatmosphere. 4 W7 G& R+ w6 I0 R+ RTrain Threat geometry with objects placed in a line (string) along the velocity vector of ) [2 x$ }# L- G( f2 S: s. Z1 Nreentry. & l2 j _: U( D. y$ J* w! m, @( t" u& JTrajectory The curve described by an object moving through space. Trajectory Histories 1 R' `! ]+ O) l( w- ETrajectory information on targets recorded over a period of time. ! H |/ {% X& r7 dTRAK A data base management system (not an acronym). 2 H8 q( V) Y( J4 eTrans-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. % c( E" }. u. ]. ~( \! j. }TRANSEC Transmission Security. + t' u h u2 XTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to 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 % y- ?9 E4 X- U5 {0 ?2 {7 [) d" V$ Qprocess consisting of disciplined engineering and logistics management to + ~' \7 C) b& l" w. k, D% fensure the system is ready for manufacture. (See DoD 4245.7-M.) * M* ^: M6 z5 \" o r. M% o/ ^Transmission Security 7 }" ^' {: q2 w5 q: M+ ^8 u' \(TRANSEC) 5 b. T. e, k; B- C8 v7 _ sThat 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. 3 @! ]+ D4 v5 r& W' YTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. ! A$ M7 A4 G" K' ~4 `- [, ]( dTRAP Tactical Receiver and Related Applications. 5 }7 \) ]% Z0 S" @. f, M/ BTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. Traveling Wave Tube (TWT) . F4 E: K/ D; Q4 W2 f4 [$ @7 XAn 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 4 j. q+ C) `6 \4 Qstream to the wave; the tube is used as an amplifier or oscillator at frequencies in 7 S# Q, q9 U! `; d- Z* Cthe 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 as a height and altitude, at which aircraft can cross the area. 5 G& ^5 M0 I! w3 o( oTRB Tactical Review Board. 8 o; `5 o+ o4 f) r% BTRD Technical Requirements Document. # B D% g) I1 v/ X S, ~TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. 2 D# F! S+ W; qTREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. 7 c' z7 E" Q& B+ I0 bMDA GLOSSARY, VER. 4.0 T 2 ~0 U4 u; E4 Z! g" a$ R( y; B306 ! y7 y j3 b9 y+ KTRG Threat Reference Guide. ' C+ O4 o6 G I# m( f1 O( I9 j7 VTRI-TAC Tri-Service Tactical Digital Communications System. 9 O, |# e v- q( G5 }6 c5 ?4 \TRIDENT Class of US ballistic missile submarines (USN term). 9 L$ \2 j9 H: O3 z0 Z5 R1 u9 QTRIDENT I (C-4) US SLBM (USN term). ; S f- g+ q2 E( C8 [3 BTRIDENT II (D-5) US SLBM (USN term). * M" O Y/ y( H+ s' _TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. ) ?7 ` q+ d. W6 LTRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. 1 m7 T- s! a9 t9 Z5 B0 QTROPO Tropospheric Scatter. 4 @( S- \+ L* K* t- O Y( xTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of 3 B& F$ w! n5 o5 }! Nabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the ' _1 k- C# @, h. b% stropics. (See Stratosphere, Troposphere.) Troposphere 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 1 ^% _: h& _! qaltitude, clouds form, convection is active, and mixing is continuous and more or 2 {3 L& S& U' `less complete. Tropospheric Scatter " @- Q4 [: W% ?0 nThe 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. 4 Z. A0 g+ q( {# [7 D# [(3) Technology Readiness Program (pre-acquisition program status). % U% t- A9 J2 S(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. 2 F& w6 k, \% s' Q9 R) oTRR Test Readiness Review. Trusted ( ?+ ], D- O3 RComputer / C. [# b& i5 X! H# l, k1 sSystem/Software A system or its software that employs sufficient hardware and software integrity 6 d9 t# Z- [' M9 l( W4 Jmeasures to allow its use for processing sensitive or classified information. * o: Q) o0 ?( H1 HTrusted Path A mechanism by which a person at a terminal can communicate directly with the ! [; @( {. c s9 X" {8 g! }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. 1 Q! [) U" Y* s; v0 R$ K, STRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. 2 z' N! {0 v" ?- H6 XMDA GLOSSARY, VER. 4.0 T 307 b/ [( k) I% FTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. / I7 {, G' d/ sTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. * e* ] t8 j% q; rTSEU Technology Seeker Evaluation Unit. 8 Q$ A/ p7 J* n8 Y. aTsIAM Moscow’s Central Institute of Aviation Motors. * M1 S- l1 {/ j% F/ STSM TRADOC System Manager. TSMA Theater of Strategic Military Action. F* O) A3 X, \% kTSP Target Support Plan. ( S5 }% L) w! x0 t QTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. - e! i2 y w- O) t+ T6 v" HTSSAM Tri-Service Standoff Attack Missile. 1 l [8 n" v* r3 P/ XTSWG Target Signature Working Group. 9 y+ X8 d" q8 pTT Total Time. TT&C Telemetry, Tracking and Command. - \" q# O7 E( ?6 P9 UTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. , ]; L# E* j% n) t7 BTTBT 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. TTP Tactics, Techniques, and Procedures. # q" p; e, y2 M( o9 \+ NTTSARB Technology Transfer and Security Assistance Review Board. + v1 p+ H4 F5 \' i. `7 _TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 4 z" P- R7 a8 E+ y308 TTV Technology Test Vehicle. TTY Teletype. ) W* I% J6 `8 C1 V8 f- cTUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. ) M* z) W/ q! ^4 _* \3 VTVM Track-via-Missile. TVV Technology Validation Experiment. 1 [4 Y ?1 ]0 f# s4 uTW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. 4 t: {& k: g$ f8 STWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). ! I6 g1 J; a# K4 zTWT Traveling Wave Tube. ' e4 u/ {- W Y0 C6 @TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). ' L7 U" o. A2 x5 GTY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test 2 A' [+ ?0 @1 B3 Y3 d' ]provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. - z, G+ n) O5 ~Type B - Development ; y- j' ]. n, `6 C0 TSpecification . y4 a; c/ g2 A, iStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of ( }! t3 }7 w9 Y' D$ L1 i: Kthose characteristics. Type C - Product 6 ?) D* g' S4 V B' t* F6 WSpecification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of 4 r: p0 x5 Q1 U8 m- }& @primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. & e1 G1 g+ D, a% z, G+ ^9 w& eTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of ) O9 }* M* ]1 f @; h/ x7 \2 j+ Fobjects (i.e., SS-18, SS-24). ; C) F7 }; u2 ]6 VMDA GLOSSARY, VER. 4.0 U 309 6 V1 l% v, ~% R" i% C% B$ NU Uranium. 3 |& m3 D. v* P' oU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. 5 ~3 y: k2 [" {1 ]! t! D0 j' v$ S6 mU.S. West U.S. West Incorporated. $ P) c' ~3 S; d, ]1 ^U.S.S.R. Union of Soviet Socialist Republics. , v+ D/ U, N) N. N: xUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. 7 v& }" t, E1 e* `UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 9 m' c0 x6 x* w. ^- V3 P6 L5 EUDS Universal Documentation System. A standardized comprehensive tool for stating 6 b I' ?6 b! K7 o8 h) e5 n- Pand coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It 2 }) ?6 t) v [9 aconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) " O2 E/ H" E- N! J/ S7 e8 ~Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the O) {8 D1 C) D9 n: f- s. N1 qOperations 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. UEWR Upgrade Early Warning Radar. 5 c! f0 Q" @% L+ w) W, T. NUF4 Uranium tetra fluoride. 4 m) B+ R( T8 ]6 @! BUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U ' u, C: W! v+ Q8 s7 L. H310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. " O/ y) j6 [) e- lUGF Underground Facility. 3 j1 i' K0 F$ g# ]2 k) [1 ~UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. ' j) [" j' ~. fUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. 8 E: b. L5 e( I8 IUKEADTB UK Extended Air Defense Test Bed. 6 {, I9 L6 j* f; P# z( hUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ; z# Z/ L1 J2 \! I) C- aULS Unit Level Switch. 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. * G" K0 J @. C, D3 E- uUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. 7 J F' q( `2 i, \0 ?UNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare . h F/ _5 h9 z0 Pincludes, 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 Armed 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 4 u) g, }" f0 k( f" _& t2 lmore 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 5 ?8 J5 L* N7 B: d4 P0 S* {which is established and so designated by the President, through the Secretary 8 ?& @. `/ n, O( Lof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U : L( Q* R. K2 {7 H311 UNISYS UNISYS Corporation. ( p) ~4 B. } d8 m) F( SUnited States Army Space Command 0 X1 X0 c% M, @* ^' F d(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army * U* @2 w5 n) [& Velements of the SDS system. Located in Colorado Springs, CO. ( ]; N$ L$ E9 e! y/ ]6 OUnited States Space Command : r" {. c- c3 _! }0 w2 b9 Z, t$ e(USSPACECOM) 1 a7 e k# {" T4 _( KThe unified command responsible for planning and conducting ballistic missile ) X! f" Q5 F5 x& A; H" X2 Bdefense. Located in Colorado Springs, CO. ; a/ i1 i" i8 t4 PUnited States Strategic 5 b: y: {. G, j5 }& s/ hCommand (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic * K' _. x- t: L# r$ Y" Z0 k1 Dmissile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command : G# c5 `5 t2 g( }" U c, d(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea + Z% Q& {0 D) `transportation for the Department of Defense, both in time of peace and time of # l7 `* s) p G8 B3 Dwar. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as 2 A& W. G* e5 Z* z( Mneeded to support the deployment, employment, and sustainment of U.S. forces 6 x8 W8 ]+ e9 w; pon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 9 }/ i# A+ X9 I6 M: y% `Unresolved / Q; |( d/ q. pObjects + j3 O3 b; H ]Objects so closely spaced with respect to the sensor focal plane as to be 2 u o' g. h0 U1 W, Aindistinguishable from a single object. UNSC United Nations Security Council. " h, W5 n) F4 T: Z/ _1 Y) wUnSecEnergy Under Secretary of Energy. 9 u& T1 L5 D, f. X) JUOC Usable on Code (ILS term). UOES See User Operational Evaluation System. S# C" ?1 h Y, w! AUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). 2 J5 ` B6 R' d- E \# R5 BURIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). 7 z+ Q. J3 q& H# oURT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. ( S) E/ c& b, N" i- x$ b$ |USAADASCH U.S. Army Air Defense Artillery School. ) m2 l' ]1 H/ T, x# @8 n6 zUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. " C0 y3 Z( w1 B1 E- Z- ?, S! DUSACOM 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 w+ }. y. F- s3 c& a, F! _: YUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. 1 L, @4 `1 a0 P% KUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. ' u1 ^; v* H4 R) p; l2 t: U- LUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 8 Y6 v7 {" x7 n+ q% M& c7 ]: ?USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. / p$ \& h9 T' _0 R1 E( t2 wUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. ! o) a: M" p/ L3 E2 _( D( qUSAMSAA U.S. Army Materiel Systems Analysis Activity. 8 t: V4 ^: p( f' ~- K$ ? \USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 4 J9 _2 ?3 C, j( [) W. 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. * q5 t/ v* }) J1 d7 _. w% c. PUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). / J, C4 ^. K: I. O6 O! |4 ZUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL . E( B1 q6 O- X+ S4 B: g! HUSATECOM U.S. Army Test and Evaluation Command. 1 Z- R2 C7 c) J7 r3 s& v5 Q; [USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. 8 V( z5 q/ d6 w# y) R2 LUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 : j$ H1 C7 j1 d4 m3 AUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 6 @4 @* C3 f( K3 m4 `4 u8 FUSCINCCENT Commander in Chief, U.S. Central Command. 9 O: y6 y8 k' E1 m- vUSCINCEUR U.S. Commander in Chief, Europe. - J/ I M; |+ ~( O$ @USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. * _2 Z5 x) u* s3 C) D# j- v7 eUSCINCTRANS Commander in Chief, U.S. Transportation Command. 1 R! U2 X- k% G1 j; _USCS U.S. Customs Services. + U' F* e! x/ s* R7 U. C0 xUSD Under Secretary of Defense. $ {) p. ]: N5 A4 D4 f1 DUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). " u6 _6 u, U! }4 E! vUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ) i8 \" i8 N2 f0 q5 g2 J9 N, [; ~USD(P) Under Secretary of Defense for Policy. 7 z8 u U Q& l4 B* R- o2 Y OUSDA United States Department of Agriculture. 9 C1 n& S$ v3 ?, j8 NUSDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. $ F+ }: R6 A3 K. i7 n% MUSDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to % `$ z$ o( O- E7 |% hoperate it successfully and easily. 5 r% F2 u; G& i* U: l# yUser Operational Evaluation % T$ R5 q3 F- X1 |$ b8 p& G9 U; ~System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and / z, ^/ h- o6 I7 a1 Straining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the , F; f& e6 K- k, `normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. $ o* h9 \* O+ B" X$ e- L0 p# vUSFJ U.S. Forces Japan. / `- d; Y0 z3 b$ x8 }USFK U.S. Forces Korea. . m- n' P9 z+ `: k3 R$ k9 S% r" vUSFK/CFC CSFK Combined Forces Command. 9 l) X6 x& s k$ jUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. : W/ T# U: ^! k* @. YUSMAR- & b: Q, Y$ Y5 N' y1 }FORCENT , c/ x: t2 p. A& v& U5 KU.S. Marine Component, U.S. Central Command. 7 N, {: x- m0 I1 f0 d; y' ^. A8 y( ^USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. ; p1 A9 V8 }9 f; ]4 P4 E% ^USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. ( L; x# a' n0 T: S: E+ C+ m1 |5 k' fUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. ; R( D/ o: ?2 C8 T4 `# v2 a; ?- zUSMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. ; m8 u7 l' M- o. H& b' eUSNIP U.S. Naval Institute Proceedings. , C- I+ P |1 g9 u [! K0 RUSNO U.S. Naval Observatory. 6 ]3 J: k( B$ M( oUSNPGS U.S. Naval Post-Graduate School. . [9 m0 W9 ~$ vUSPACAF U.S. Air Forces, U.S. Pacific Command. % U0 F' n. A' \& W+ V# `USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. " `0 j7 ~1 h1 {' E0 @USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. * J2 ]( U/ @5 n% n6 i! {1 sUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. % b: W/ h* a5 ]( |8 A; qUSTA United States Telephone Association. $ P. X" ~6 W6 t# ZUSTRANSCOM See United States Transportation Command. UT Universal Time. 6 {' q( C+ \7 c5 P% n8 HUTC Unit Type Code. ' ] O+ ~/ d, S7 }+ p2 N6 TMDA GLOSSARY, VER. 4.0 U ) U7 f$ h' q/ i% ]6 P315 ) c3 ^7 x3 D T0 ]" GUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- Optics 6 L# Y; R5 l% CTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). 5 a% _% L, U! s: x; AUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 5 e9 q4 [( Q" k# Q+ r1 P |1 a316 & j3 p6 P5 \5 r! [0 u, g# ^V Volt. ) i( }$ ]( ]& j/ Z0 lV&H Vulnerability and Hardening. ; E) s* q4 i$ r* D5 i# MV&V Verification and Validation. (See Verification, Validation, and IV&V.) 2 P1 z3 \" ^0 U" ]0 VV/STOL Vertical Short Takeoff and Landing [aircraft]. 3 V$ f7 ~, P& V: @VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real ' ?$ T k. p+ q' \; a5 _; cworld processes and are realistically sensitive to change in the environment, ; t5 L! Q5 z& q2 q) Ctactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. & C) k! ?3 P, w2 ~VAR Visitor Access Request. 8 P" Z7 g. R) d) q- p/ F7 Y7 p9 S7 qVariability The manner in which the probability of damage to a specific target decreases 6 ~, K3 ]& K5 Zwith the distance from ground zero; or, in damage assessment, a mathematical 3 B1 F3 l! S% {' z# W) mfactor introduced to average the effects of orientation, minor shielding, and ! d% U8 \8 k# Z/ q2 Euncertainty of target response to the effects considered. * j# O# Z4 e4 f* M* @VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. & m3 Y+ a6 V4 y1 A3 p2 v: a2 }VCRM Verification Cross Reference Matrix. ' d- ~5 l$ f1 R9 S7 J* W2 s1 v* GVCS Voice Communications System. 8 s2 \0 F% z2 |$ G/ k& Q1 K3 zVDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. & ^' G7 x# t+ g+ h, ~& l0 XVE Value Engineering. * }3 q8 M' o9 T9 z2 N% P, m9 hVECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering 1 \- f1 Y/ Y) P; n& q" o# n0 nrepresentations of a T&E resource accurately portray the characteristics, ( Y+ b M* i# L( ?( \" g( [calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified 2 Q: \- s& ^3 o [: z8 L; n+ frequirements. 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. ( S5 \. B! e$ D- I, F: @MDA GLOSSARY, VER. 4.0 V . T' }( b" ]! m; U' G, A7 I( Z+ E317 VIDS 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 Operation 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 cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. 3 J! |7 p6 g n2 W+ T$ zVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. 8 P( v& I2 I6 LVIS Visible. VIS/UV Visible/Ultraviolet. * k" r' j1 E/ `5 OVisibility Range |6 b; W2 L3 r" D# o1 G(or Visibility) 4 H) L( R) ?8 A) Y% H. ~The horizontal distance (in kilometers or miles) at which a large dark object can ; h. s/ A( {3 p$ T5 ^8 [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 7 \+ i' ?* i. S: Zexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze * D! h9 J4 |2 Q# B7 ]or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- % T: a5 f) ]/ Z8 YOptics / o1 K3 j" B4 o8 N5 j' VTechnologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). 7 Q: E: s; V) w9 ?' ^; NVLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 4 G. u M7 n; r9 E% IVLSI Very Large Scale Integration. VLSIC VLSI Circuits. , Q* g6 P ^3 w% S& P, }VLWIR Very Long Wavelength Infrared. 3 p& `1 O9 X8 { @. ~4 X8 u7 HVME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. 3 C4 D2 G9 V, ~VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. ! ?7 J6 g# T7 T2 ^* R" {VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 4 ~2 R. b/ ?6 E- F. [& v FVUE Visible Light/Ultraviolet Experiment. 6 {" G6 J4 L% O( L6 }% }MDA GLOSSARY, VER. 4.0 V 7 E- h3 d8 T& h, E5 q i* M& k5 i( h318 Vulcan UK bomber. 8 g1 I! B7 h! ^7 c. xVV&A Verification, Validation, and Accreditation. " l9 @, f* f8 r; Q* ^# p9 WVVER Pressurized water type nuclear power reactor. 4 I$ S& [" C5 h) V# t+ BVVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W # Y& k% i5 s V3 T! S8 e1 r- M319 W/ With. w/o Without. W/TD Warning/Threat Detection. ! y# E3 o/ }' W. FWAA 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. T5 U* D! N$ l9 q& X* g! xWAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. + J3 Y: x7 i9 g* P! M+ JWar Game A simulation, by whatever means, of a military operation involving two or more 1 L2 o/ O M" j0 H _' v/ lopposing forces, using rules, data, and procedures designed to depict an actual or 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 ( G/ I a& o+ bassessments. 6 W) d& _" J+ A. [: k3 J+ |0 Q+ qWarhead A weapon, usually thermonuclear, contained as the payload of a missile. 0 B6 C1 A9 h& c3 r1 z% rWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. : r9 g' L6 I2 dWarhead Section A completely assembled warhead including appropriate skin sections and related components. + r, F: c- E" q& p% Q* G: hWARM Wartime Reserve Modes. ( e7 d$ D: M: F( [# _" RWarning of Attack A warning to national policymakers that an adversary is not only preparing its - e- _- |: G0 w9 Larmed forces for war, but intends to launch an attack in the near future. $ L9 _7 U0 j4 Z4 h+ P4 L( SWarning Order A preliminary notice of an order or action that is to follow. ' V7 G8 I/ e0 a% p; ^# aWARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). + n9 @. G n2 N, c) E9 \Wartime Reserve Modes (WARM) 5 ]" l( x' K+ \+ S# C1 aCharacteristics and operating procedures of sensor, communications, navigation 4 T! X/ i5 X8 o' K. U$ r. }aids, threat recognition, weapons, and countermeasures systems that (1) will , Q3 p3 M* I- V0 a2 [! [' E) i4 W! lcontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if 1 i7 R' w* a# r& `: t" o, sknown in advance. Wartime reserve modes are deliberately held in reserve for $ E3 U9 s' X* X3 v' t* }wartime or emergency use and seldom, if ever, applied or intercepted prior to ( P. j/ P6 I: }% n; Y* ]; Csuch use. . w9 {5 G. K- N9 I0 h4 A/ W/ jWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. ?* t' l+ s3 r p2 n" iMDA GLOSSARY, VER. 4.0 W & B' n4 }3 p4 C( T* S320 : W0 d; R( F5 i& t$ BWASHDC Washington, District of Columbia. $ T/ E5 Q7 ^ R0 R" k) lWastage (Max) The maximum number of defense weapons which, when used, will be ineffective , C: q: s, v. M8 T, t) X: m" [in contributing to the defeat of the offense. I% E5 ?$ d- HWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs - C9 O' I7 i0 a/ r6 lto watchfulness without raising DEFCON. / w, d9 f& C1 ~WATS Wide Area Telephone System. ; A) L. H! M0 S1 B! }8 Y9 zWAVE Wideband Angular Vibration Experiment. % \' z4 l& g7 t' d% SWavelength The distance between two points having the same phase in two consecutive 8 F: o; E8 L) I2 Q9 ~cycles of a periodic wave, along a line in the direction of propagation. . I& j$ k! o [. b; l5 F' J8 IWB Wideband. WBM Weapons Battle Manager(s). % U0 m O. M T FWBS See Work Breakdown Structure. 9 x* c3 f5 Z5 [1 S6 y' QWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). 1 c& S! ]/ v5 i* I* r6 l- hWCP (1) Weapon Control Processor. (2) Weapon Control Platform. ( F* p( O0 j# b. x/ k) `, kWCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.