航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T * l- ~0 i) Z" O8 S# C( P298 Theater Missile Defense Council " R% e) w. y1 [, c% T+ A(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for * p% C* T2 `3 _! r1 PAcquisition/TMD, membership includes MDA TMD Directors, representatives of 9 j; G7 [% r- n) ?2 Leach applicable Service Program Executive Officer, and TMD Executive Agents . [: W) J! N4 h8 G4 X0 s- S" \and Program Managers. Theater High 0 J2 Z. c7 J/ P2 B- Y2 KAltitude Area + N, h7 K$ e0 S& f& C/ l( p$ Z# |Defense System (THAAD) 8 b$ b2 ?& {, n- R- T% R( P1 zA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile + H6 P1 X/ r( ?% d% b(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 ( F8 s7 {* m8 E1 F0 o6 Nof attacking targets in a theater. G+ C% E# T2 w% r1 [' n( ~Theater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area ) o1 X! F- O+ `9 \outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. , ?' X, S0 v) t' ?0 E* ?Theater Missile # j. p) [& g/ _* Z% cDefense Ground- Based Radar Z: B: _' S6 a8 [5 p0 R# @8 s; r% m' U(TMD-GBR) H* c" u! { L- gA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as / H B4 a, C3 p/ A1 @THAAD Radar. 2 C; @- n/ x* ?1 c5 Y8 DTheater Missile " h: {0 ?: d' H/ B2 b7 w% ]- ?Defense Initiative 0 Z; ~' U) l. n* y+ S+ t(TMDI) / e, T, v7 n/ b lAn 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. 6 _$ P+ [0 j4 ^) v6 T) k( F7 QTHEL 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 8 E0 j ?- Z+ C4 vexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 4 ?. m: k. Z$ \ o3 s+ \/ jreflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree 4 U0 P" ]9 z0 R% M3 Kthat structural components fail. ' m: k0 M$ N9 ~/ y" P7 g+ qThermal Management 1 M5 @9 O# N4 W4 }Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation / }+ X; p, H R/ W% RElectromagnetic radiation emitted (in two pulses from a nuclear air burst) from the : P, |- T! n! |, h' R9 M6 Efireball as a consequence of its very high temperature; it consists essentially of ! j! P1 f }1 f+ ^6 tultraviolet, 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 6 A D3 s: M3 X7 f2 Z" P9 x1 U, Etemperature; it also is referred to as the primary thermal radiation. It is the ' i. p! o& c+ C! Q) I8 Q+ Fabsorption of this radiation by the ambient medium, accompanied by an increase - W, T8 b( ~: {' c. {6 D5 O1 min temperature, which results in the formation of the fireball (or other heated + E8 f5 e: `. ~' Jregion) which then emits thermal radiation. (See X-Rays.) 7 n+ p Z& }$ M, A7 E4 e/ MMDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 5 t( w* d" ~1 a' B1 S" I4 M* Wit is a region of more or less steadily increasing temperature with height, starting 3 o6 h7 {( @# g" B: v4 l5 Hat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. $ n7 n: E7 s `0 ?Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. / R" i2 y& K$ I7 h5 X' |Threat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management 5 {9 w; ?! E' ^4 b9 Hcomputation. 2 g$ _1 ^0 H4 M, p8 \3 V# x& wThreat Scenario A hypothetical example of the employment of threat systems against ballistic 6 [- ?5 d Q! ~missile defenses for the purpose of analysis and evaluation of those defensive % U C- @! f3 z5 Jsystems and architectures. + @1 {$ u x3 }4 s) |% p. G" PThreshold Performance capability or characteristic level in terms of a minimum acceptable / L1 l0 g- C4 c" {value (threshold) required to satisfy the mission need and a performance # t* ~, t) u3 T& Kobjective. / u; I6 ?$ ^) B0 eThreshold 9 }$ ]& Z1 y+ ZDefense 9 `$ y) R' c* G; bA defense strategy that concedes that the target can be destroyed at a price * A0 d p8 z- E9 n! v+ vthat 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 * s2 O9 M; h# m4 A3 M( W7 vReplicas (TREPS) 9 X2 G' P$ {, s+ ?' lConical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. ) V7 u7 b; ]1 _2 o' n* JTIARA Tactical Intelligence and Related Activities. + \( m0 T& w: p8 R6 l/ bTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. 0 o: y" B. V2 m% y$ b% K9 W* P(3) Theater Intelligence Broadcast System. 1 Z, r" r; C, b9 Q- D. S: JTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. ! k: _5 Q( O( lTIDP Technical Interface Design Plan. " l' J, `% b9 m3 p6 gTIE (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). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. : ^7 `$ z: B& p$ Y9 GTIES Technology Integration Equipment System. 1 n/ c8 M- c& e: r$ ZTIIAP Telecommunications and Information Infrastructure Assistance Program. l$ j$ K7 p8 v) ]* c- iTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T + D- o& A+ |4 }: @- f6 p2 f u300 7 c7 d4 T* @% D9 fTime-Phased Force and 8 s2 i( @" G. K1 L8 u! JDeployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of 0 D3 u/ [# A3 S* ddebarkation or ocean area. & t0 I: J# q% QTime of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of $ z: Q. U$ N$ O V0 i1 { E) Llaunch. # b5 X6 E. d1 G) } nTime on Station The time the sensor is in its operating position. $ _4 x6 k+ I9 {/ @7 Z$ B" H. oTime Sensitive - q8 b0 w# S: A+ v0 L& y7 WTargets & f" q6 Q9 q+ U0 u: b' W4 RThose target requiring immediate response because they pose (or will soon / k4 v6 Z1 |# A- t) u0 g" upose) a clear and present danger to friendly forces or are highly lucrative, ( ?8 t; \# i1 o( R! K0 zfleeting 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. / w; F; S0 r8 W! r- ?TIP TOPAZ International Program. " k9 \0 n+ C" }5 q5 hTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar " [( {+ ]& D# |. bTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. . T' s; O! r1 i$ Y$ [TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. 3 Z+ r! @) e- B; v+ x2 I7 H# MTLA Time Line Analysis. ' r$ g1 J4 O! K3 u5 n1 v1 @3 N; TTLAM Theater land Attack Missile. 3 U/ Q/ O$ ~% B$ DTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. 6 E, z: {; j3 h8 o+ VTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. $ ?, d6 {$ b$ n& ITMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. E2 P; Q9 q) a3 CMDA GLOSSARY, VER. 4.0 T : E# U5 j) X0 r! Z301 TMD C , H5 q. y( A' |" H% F/ d3 - _* f3 q1 r; N- ?" O+ JI Those assets that provide connectivity between and among Theater Ballistic ( B% d9 i) M+ I: \Missile Defense forces. : a7 I2 H( p' Q) X* n- [TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 2 Y7 B" r/ i) xTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. $ o" F9 T6 @* q) h# Q# zTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. / Z8 D8 L9 t H1 i# ?1 _2 z; ZTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. % d& y4 }& m% {, q: R, M! ?# H: ^ fTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. # ^$ |1 ~0 E- B0 LTNF Theater Nuclear Forces [Treaty term]. 8 Q5 j9 d+ A/ X/ d) TTNT Trinitrotoluene. TNW Theater Nuclear Weapon. , f' s+ ^* i; N; ]/ _3 {* L( uTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. - F* @& \6 x0 H; O9 o* N( [: tTOE Table of Organization and Equipment. " v2 j. ]/ l# j! O# P6 sTOF Time of Flight. TOI Track of Interest. ) |) {/ D) n7 ` T4 J' l0 ^TOIA Task Order Impact Analysis. ! x2 l& T" H7 r' Z8 S$ KTolerance The ability of a system to provide continuity of operation under various abnormal 5 K# }" ?! R+ I. Q5 _conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 ) Z9 c4 M8 J! M" `2 h/ P: WTOMD Task Radar Management Details. TOMP Task Order Management Plan. ! v" R# z9 [( ^5 _TOMS Total Ozone Mapping Spectrometer (NASA term). 8 v/ |3 Y* h) y' t; fTOO Target of Opportunity. . G" ]1 Y# d6 t6 P6 D" I. L ZTOOL Target of Opportunity Launch. 3 Q' d. ]. \$ @( W5 i3 Z5 `TOP Task Order Plan. ) ~' c, W* H* O& RTop-Down Pertaining to an approach that starts with the highest-level component of a % j5 J$ U7 J$ j" T& m' A, thierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. % K- L& f- b0 ETop-Down 5 l( W+ o: \: |7 Z* X; t) RDesign , R/ N- C* a1 CThe 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. Top-Down Testing 8 @/ e" L$ o& {7 X9 HThe process of checking out hierarchically organized programs, progressively, 8 S) ?. i8 E3 S& P# s, Y1 pfrom top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. 4 o0 }0 q8 a. C! m1 ~7 ~5 {TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. . j' Z2 V( x6 ^5 |! s4 oTOT Time on Target Total Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given . C' r9 g! x2 m' G$ s# Lfiscal year. Total Quality Management $ M# l' K3 f1 L9 x' p4 a J(TQM) A management philosophy committed to a focus on continuous improvement to & ?% r* M! h0 {product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System 8 J3 r8 H; j/ Y4 Q: g, t8 eTOVS TRIOS Operational Vertical Sounder. / r" a* Y( `" }# j7 h* ~Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed 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. TPD Mobile Tactical Radar (US). 7 j6 T) F ?! ?. W+ j; I6 u |TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 3 z9 Y& m# u7 R; t0 O) J B9 ^303 TPEC THAAD Performance Evaluation Center. ; }( i' N' j1 L, `3 gTPEM Technology Program Element Manager (SDIO/MDA term). % i1 p0 B- b4 _TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. 3 `, A7 [, E: c; c0 s& E' vTPM Technical Performance Measurement. ; D/ o! j$ s" A& nTPMT Total Preventative Maintenance Time (ILS term). $ \+ v$ X6 i v* |: R4 MTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. 3 M+ ^. Y& ?5 h9 x0 w3 s; STPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target % j* M- z# E4 y% e* P" QPerformance Report. - M* i. M% |7 T, F, S( n& LTPS Thermal Protection System. TPT Theater Planning Tool. & B& i6 f) T" Y& ?/ YTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. Traceability (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 constraints. Q, ]; e& p( h; P& j% g; s3 ?$ {(2) The degree to which a relationship can be established between two or 5 p3 P! Z6 a5 u. m% C. Mmore products having a predecessor-successor or master-subordinate 0 m8 v c9 ?9 q. b: h+ A1 `6 Qrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. 7 f* g+ a. b& T* L1 d: D(5) The actual path of an aircraft above, or a ship on, the surface of the & n# f# z u1 @: ]' yearth. 5 h% r. G2 Q; C y5 V) aTrack Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly , d# s: c: N) iin the track may indicate a hit. Track, Birth to Death . X8 E3 g3 n- f7 \2 n- i0 B' }The maintenance of an associated track through all phases of flight (i.e., boost to reentry). * v9 `/ s, M( L" lTrack Correlation The combining of track information for identification purposes, using all available ) m" y2 ^& s' c; L! gdata. 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 / p( C1 @* t5 s& [# M+ [8 Oor place (e.g., reentry). ; ]1 o& f. z/ G( N; b' lMDA GLOSSARY, VER. 4.0 T " u; E& y' p3 l7 t# _304 9 T" k- `9 `# R0 t2 z, V% _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 K U; J3 z4 q% p: mthe above. Track File-Track History - c% P z# A* ^, U# L; D, zA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a 9 [- p" c7 ?! N) Lthree-step process of data association, track initialization, and track improvement by filtering. ' v) ^" T8 M6 }, o3 PTracking The act of generating and maintaining a time history of an object's position and * K7 U# V6 [2 `' _7 Y" F0 a; s# uany other features of interest. Tracking and Pointing ; m! o% p+ U1 [; l; A" u9 IOnce 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 8 f s- K1 D& b0 {' Aare frequently integrated operations. Tracking Range # z. {1 E" t/ \6 u7 s+ M(Max) The maximum line of sight distance at which a sensor can maintain track of an 6 N+ h! H" C* ]8 P' Z% Wobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of 5 w; P7 C- R/ T. zframes. ' l6 S7 r u/ {Track Production ) `/ f1 }) Z0 o4 AArea An area in which tracks are produced by one radar station. $ @% I/ y; s: DTrack Symbology Symbols used to display tracks on a data console or other display device. : w8 K0 ~% G& @Track Telling The process of communicating air surveillance and tactical data information * ~0 V+ \8 F6 C2 R! v! kbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; # r! F% y t0 z7 S% ]6 i; Llateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. ! t4 v' n% X( eTraffic Capability 7 \# v; m- u6 V7 H; tMaximum The maximum number of objects per unit time which the sensor system can maintain track files. 8 [. n! N9 O5 Y: n$ W9 _& jTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. ! R: W, T7 V. ], STrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. . N# V# b6 x. M" m! UTrajectory The curve described by an object moving through space. " h2 F; b) y9 X* J5 X9 `Trajectory # T8 _3 a2 z. z7 fHistories 6 c$ ~1 A6 k9 L3 H: `Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 7 n/ ?4 H: c& j: TTrans-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. TRANSEC Transmission Security. 5 x( R+ O" w: j$ T( _. f; S6 h# FTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. % H4 \9 g- L4 ?( ^0 FTransition to * o3 J( ]) R% n# e6 K( PProduction A risk reduction process during which the program shifts (passes) from ( v/ H2 n1 @! Pdevelopment to production. It is not an exact point, but is described as a , H" _3 b; n, {- y( W( ?; K wprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) C( I9 Z2 ~$ h$ x3 q$ Q. HTransmission 4 @4 P8 o- O8 [5 VSecurity (TRANSEC) + v4 y* j' j4 _) e5 G' R3 FThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See . M v z$ G: v8 P; yCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative ' D! x2 Q9 S9 c+ M3 s" Rspeed 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. / {2 f- C; Z f/ b) h$ STransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. : M+ Y" j' t- U% {$ o1 F& f9 ITRAP Tactical Receiver and Related Applications. k, ]$ R. O( ?Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. : F" ~( b/ |/ g0 J$ hTraveling Wave Tube (TWT) % [0 V; L. i. F0 DAn 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 stream to the wave; the tube is used as an amplifier or oscillator at frequencies in m6 n Q+ k2 ]+ Z& kthe microwave region. 3 ]' t- @8 o& T. O1 gTraverse (1) To turn a weapon to the right or left on its mount. 7 b4 m$ S6 ?# M/ o(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. - g: z5 w0 d( a3 v8 t5 Q8 oTraverse Level That vertical displacement above low-level air defense systems, expressed both , u7 h4 n, B" j/ e7 Las a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. ; Z0 a& r0 [0 ]7 @TREA Transmit/Receive Element Array (THAAD). 9 K# |6 R+ e' p1 ^0 x6 WTREE Transient Radiation Effects on Electronics. 7 \ _" O8 g+ a6 u7 ]* J( B2 M7 w% BTREM Total Radiation Environment Model. 4 ?$ _, b0 `! P J" gTREPS See Thrusted Replicas. # R% R! U+ ], M, _2 F& nTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 7 l% ~- _( p( d9 g& U7 y& Z306 ( r9 A$ @! Q6 @5 p0 BTRG Threat Reference Guide. 1 b; `; T, j( N5 U2 V' K7 `: F' oTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 8 j, K, Y7 S9 r5 l" K4 X ]. d" d. WTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 1 I, \# [7 S) c- Z8 z4 R$ t6 c; n2 xTRM Technical Reference Model. TRMP Test Resources Management Plan. - H6 a* r4 o) w% f8 e/ ~+ Z" X* QTRN (1) Task Requirements Notice. (2) Test Requirements Notification. ; j; ?; E* G5 W3 KTrojan Horse A computer program with an apparently or actually useful function that contains 7 I Q2 P9 Y* G! Qadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission u( k+ A2 }) Pperformance. TROPO Tropospheric Scatter. - `2 C1 s/ v/ k, Z; wTropopause 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 k C7 q$ N# N. n' s; K3 ` j7 C5 `3 Qtropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to 0 ~" D$ W. |& n3 G1 U- W) s9 n, C* C: Dthe tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or 9 a3 k A' L0 R, n7 eless complete. ; f/ O0 s9 G5 D" A" N X# YTropospheric p. r4 G0 @; i9 e! F, H0 d: RScatter The propagation of electromagnetic waves by scattering as a result of " L" m# P( J; {' k |9 q9 @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). % f7 B# h$ `+ U(4) Technical Requirements Package. , D, l) S/ p% M3 w' }TRPC Technology Readiness Planning Committee. k9 ~6 m( i& L: L. c8 gTRR Test Readiness Review. Trusted Computer System/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 5 O# Q" d! Z2 Z W+ dTrusted 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 5 c" m# J5 e3 y+ A6 j9 Pof the Trusted Computing Base and cannot be imitated by un-trusted software. 8 I1 u$ L: @; O0 _TRW TRW, Inc. $ p4 R& \1 N: N8 S2 r; `TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 TSA Technology Security Analysis. # _ j& P, a0 N( f0 F6 `: R) fTSD Tactical Surveillance Demonstration. ) Y" X- [ x2 Z, g% ^TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. ( `: H0 ^8 I% h7 o0 n" q A% gTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 7 ^2 B' n! y ITSM TRADOC System Manager. 3 C8 c( z, w! Y& j" W6 yTSMA Theater of Strategic Military Action. TSP Target Support Plan. $ l; b! a5 F# S4 L" STSPI Time, Space, Position Information. ; Y7 t9 X5 E5 b! d7 Y# wTSR Target System Requirements.

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TSRD Target System Requirements Document. / v6 `/ H/ L0 M4 [( ~; M0 ZTSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. $ h O4 ~6 ?% CTSWG Target Signature Working Group. 5 K/ V/ \. c" \TT Total Time. TT&C Telemetry, Tracking and Command. ( ?4 p/ Q( h. u5 v8 u% UTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. " y Y) G! ?( h* t" S. WTTBT Threshold Test Ban Treaty. x) r6 {9 ]* Y! K3 G9 L- CTTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, $ M4 |% n# g( R5 o, Z4 j6 Q! }which have significant potential for improving testing. & `4 I3 E$ j# H1 vTTEL Tools and Test Equipment List (ILS term). - x C a+ B# S, D7 A; z6 J5 N* cTTL Transistor-to-Transistor Logic. D' H( \; G" i3 [8 JTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T * u8 _ o) P& F+ D308 ! e2 a6 z+ t4 v dTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). ' s8 Y2 u3 M F4 P- i5 iTVC Thrust Vector Control. + T) s" I, O1 v7 c, LTVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. " i1 V- k, l. ]- rTW Tactical Warning. 5 }( u4 k a1 \* U8 i* y& a2 ?; DTW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. ; ` N) S6 `5 z5 mTWG Technical Working Group. . T# y% w, ~4 k- e5 ]# s. h" k) ZTWS TOMAHAWK Weapons System (USN term). ( I; E& y ?; h( _) G7 WTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). % c% g) X/ Z# ~5 H+ \2 aTY$M Then Year Dollars Millions. / b b! |' l& `" x! `Type A - System - m7 I6 K3 F0 \& l! ?Specification . x5 Z G, Y2 OStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 8 L. I1 M. S' s3 r. bconstraints are included. Type A specifications state the technical and mission 5 K) H/ C8 X$ U" r$ A6 R% Yrequirements of the system as an entity. Type B - Development ; d- t9 F$ h* q6 o( \% {3 f* v' E& ^Specification 1 E4 B* Q' L8 S1 E% d4 CStates all necessary requirements in terms of performance. Essential physical ) r4 }8 P4 v5 \0 I6 Q* m; ]+ [constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item ) e: q2 m8 U6 ?; B+ e+ ?" Rfunctional characteristics and the tests required to demonstrate achievement of ) X: R7 I9 ^. B. \" @! ^those characteristics. Type C - Product Specification $ ?. `, ^4 J7 G& JProduct specifications are applicable to any item below the system level, and 9 C' s) a0 b6 f. ^) F* r$ lmay be oriented toward procurement of a product through specification of ' V; u) h8 E' ~ r7 w. G5 v! u( vprimarily function (performance) requirements or fabrication (detailed design) * Y" I% D& r8 e( \- z. y5 j, orequirements. Type C specifications intended to be used for the procurement of ; J8 j" w) w, K% w$ W1 c/ u, mitems including computer programs. 9 \! ] \$ @' D5 W* ^ CTyphoon 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 objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 0 n+ t7 ]$ n D9 u309 ; i- T) e3 A+ G- w9 |# b: c7 [U Uranium. D) ~; E$ \/ qU&S Unified and Specified [commands] (pre-1996 term). : p5 G9 w; U7 f- h0 n& k* `U.K (UK) United Kingdom. " \; `2 j i; Y6 ?U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. 8 {3 d3 R8 Z% dUA User Assessment (NMD BMC3 term). 1 Q: W+ ^6 t2 u- vUAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. 9 ]) J3 v: F' z1 E3 _UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. . O* P! O: _) ^( d$ FUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 2 ]; j' S* L; {$ T- YUDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), ' u4 {2 {* t' z2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) + G) ^4 Q# m) Q3 {* X5 B$ EOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 0 f# S- R& p" H3 U5 {8 cOperations 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. UF4 Uranium tetra fluoride. " a7 X) F) B! ~% _( _; x' S5 WUF6 Uranium hexafluoride. 8 \+ \! _2 n0 R3 S" m& e+ YMDA GLOSSARY, VER. 4.0 U $ l& d7 S& I) W0 Q3 _+ a310 & _" T% t% G) l/ N5 b" q# IUFG User Focus Group. " k9 p9 _1 L1 X* s: ?8 hUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. . P5 Z* z0 I0 \, d) e: gUGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. " c0 ^# f. n" n9 ?6 yUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ( l1 D( ?% y. K% H5 {3 `ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. 5 d& W, `4 A/ z$ x5 T0 d, j: J* bULSA 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. * w8 t, T e8 ^, r3 o. MUMMIPS Uniform Material Movement and Issue Priority System (ILS term). ! Q5 O- I' Y5 CUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare & P, I. i# X5 h8 H) v: H% [A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion , ^1 v4 L" d$ xand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. ' m3 _5 h. O+ x% xUnified Action Armed Forces q# ^6 j, j. B/ TA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or 8 e4 n+ C" H. F" ymore Services or elements thereof are acting together. 1 L5 R! \) U% ]( \8 C' J0 W, c LUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and $ z. B3 _ J9 A& T( ywhich is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 9 ^' j( U, v: J311 UNISYS UNISYS Corporation. - Q) t1 K* a" S7 K+ m7 \+ E( J4 @% GUnited States Army 0 Q4 ~ J) K. TSpace Command 9 ~; G4 q! [4 J0 N4 V7 g! d(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile 5 ~& d2 x1 i' w5 t4 X9 W# p2 Tdefense. Located in Colorado Springs, CO. . K w1 g6 ` m l: Q. ~United States Strategic 8 m! i/ m# l6 [2 DCommand (USSTRATCOM) 5 u8 r$ e" }! A* a8 B+ G; KThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. * y. W6 H/ r' y# a6 f# BUnited States / o8 s, e! r3 l0 G) B! t: K3 _Transportation 6 q; z+ q5 m1 B: _! o |* YCommand (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as $ J: A! Z! M# z) z c1 r, ]needed to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott 3 Z# _& T' [6 t- p F; j: C! m- PAFB, IL.

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Unk Unknown. + L5 @9 V# S# t8 T. Y' LUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. ; q7 z6 O) W( `" Z4 fUNSC United Nations Security Council. , g0 B6 W7 S1 J% v2 j' ?( `UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 0 v# F. f& a9 L8 T3 h& KUOES See User Operational Evaluation System. 0 b5 F% |: b* TUPD Unconventional Passive Discrimination. + K2 L- u* {/ U- K# _' @UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). . K% z8 @+ W4 D# |. V3 EURIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. # c$ u& r9 @+ g6 ZUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. : s( A/ W$ K" {& G& JMDA GLOSSARY, VER. 4.0 U 312 ! [$ B) k+ V4 C8 }USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. 6 T9 Z2 w( q6 R7 V7 AUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF ! H+ X- `5 I8 L5 _+ u' ^Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. / z* K2 f7 B6 I3 Z" o) u! WUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. 0 A+ P" }/ Q M$ c% D4 j4 i# t; }USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 9 }5 F* ? K9 v% z; M- DUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. & j, d* n' z* {0 LUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. 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. + S$ U7 X. ^# gUSARPAC U.S. Army Forces, U.S. Pacific Command. / f7 L" R9 c' j# A$ LUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). x- S6 ^3 l# d* h9 tUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 8 E) d! `' A- w1 B% eUSATRADOC U.S. Army Training and Doctrine Command. - d- { q/ i$ z% {$ U. vUSB Upgraded SBD. # y3 \. h1 ~6 A8 x- e) eUSC U.S. Code. 4 o, N# b9 Q8 q' }. ^- y3 q# L: }USCENTAF U.S. Central Command Air Forces. . V* S* x. o0 c6 Q1 X1 ]) PMDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. 3 F$ K, H; u9 u" jUSCG United States Coast Guard. " `3 Q, Y" O, t F* Z \USCINCCENT Commander in Chief, U.S. Central Command. : q9 X9 r _$ o" u2 I5 bUSCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. 4 W6 S6 z$ D6 b0 p- F) CUSD Under Secretary of Defense. - F4 ~; q$ l0 ]: C$ GUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 3 f- v1 q4 [9 y4 s: } E6 f- l/ |USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. / O( M8 g# o7 q% c& P" x9 q% mUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. $ d& c; m* y& _USDELMC U.S. Delegation to the NATO Military Committee. 8 y1 y) a/ A9 T0 Y' \, ~: ^/ yUSDR&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 L$ O& C: V" \- K( q7 n2 w(hardware) or program (software) that is compatible with a person's ability to / S% q2 E3 T+ z: w$ _7 {$ Hoperate it successfully and easily. User Operational : }9 r, V' I* t0 I7 y! CEvaluation + [- d! |! Y& S: MSystem (UOES) 6 ~" K, c E- v: A, o. C. mPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and . | Y1 S8 e" O3 L H% [; straining for a system proceeding through the normal acquisition process; and (2) * s% T4 ^' L0 D e/ Y3 a4 [6 [contingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ( H5 t, @5 w6 l9 TUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. , O. o. R9 P3 h8 f8 I4 k [& V* l0 vUSG U.S. Government. , {' |+ N) A5 K& B) d2 i# ZUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 6 ]6 N+ K3 B; U; j1 I314 0 @6 |1 r7 n* Y4 L& ^USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- 4 ^; V( H; x2 i2 t' yFORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 3 N5 i# f2 R$ R: z4 vUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. # l0 N% M' d% I. n+ F: xUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. 9 L& |/ q5 e& \( h: i) R9 sUSMILREP U.S. Military Representative. 8 }0 a- _0 ]$ u0 YUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. 5 `$ O o& I1 h9 f7 S4 z! eUSNIP U.S. Naval Institute Proceedings. . g8 n8 p. c0 V% D( k/ K9 uUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. & n. [" v' c5 }. Y5 x: wUSPACFLT US Pacific Fleet. - x. Y% Y4 z+ @, }0 `, fUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. ) E6 i+ K+ T- R( u4 T# S" h, eUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. ! T$ y- A* y" d7 T" a. v3 EUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. 4 X4 X- q/ F& W0 H1 T2 J2 vUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U ) D) j5 }1 H( v( b. e6 S315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ( k0 G% g' j4 b dUUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- & @, W/ b3 r. C1 zOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 6 c1 j8 a9 w4 `" VMDA GLOSSARY, VER. 4.0 V + ^9 B4 P- V8 v316 ! K" N# [4 a# m0 v. c8 e. A. r- e+ {V Volt. # a0 P4 H% u' g0 ^$ }& A9 d( G) Y5 c$ HV&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) + ?9 c0 |% e, K0 IV/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, ( x( B3 T U8 G {tactical situation, system design, tactics, and threat. , J/ T! G7 K% x, }% O/ Y; `VAMOSC Visibility and Management of O&S Costs. , Z& j2 f: q/ d* UVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases 7 ~. W2 R9 j$ c* lwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). - r# C& G* f2 l- s7 [VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. ; A0 }* X6 q1 g1 O; AVCS Voice Communications System. 4 I2 z. s! G7 \, a/ hVDC Volts Direct Current. VDD Version Description Document. 2 q0 o8 J. d5 {+ cVDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. 2 y/ x8 t; f- u+ SVerification (1) Confirmation that all data inputs, logic, calculations and engineering : {3 [; k! `* O7 Y1 x' Srepresentations of a T&E resource accurately portray the characteristics, 9 V) Z! }0 K1 @9 \+ Xcalculations, logic, and interactions of the system under evaluation. / H, Q& j8 {/ z0 x+ X(2) The process of evaluating a system or component during or at the end ! {# m3 s2 o$ P+ `5 Nof the development process to determine whether it satisfies specified requirements. 9 ?* `% I7 y- P f' c0 P; C; n' j( x$ kVESA Video Electronics Standards Association. & b: _0 B( n( l1 t2 R4 LVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). / I7 c. Q0 I& L r: x( ]VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D ' y6 _- d. I- P6 `% nExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 2 V; H8 L/ W, K4 \( Y- \) U/ h6 Y) SOperation Per Second (OPS), using a mixture of experimental three-dimensional # E. D9 ^/ J9 f4 e$ b6 scircuitry and commercial components. Project also demonstrates VIRGIL, a ) x$ ]* f) |9 s; e; H8 Ngimbaled 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. VIM Vibration Isolation Module. 7 ~* K) g& j& n2 y- g/ ?& j/ _VINSON Encrypted Ultra High Frequency Communications System. - W9 |+ N0 S" f9 f! xVIS Visible. 7 b, Z! ~, ^6 [4 a1 e- G5 K5 dVIS/UV Visible/Ultraviolet. 2 z9 i# K. p" e' ]Visibility Range (or Visibility) 3 Y! V; [* K; k3 uThe horizontal distance (in kilometers or miles) at which a large dark object can % ~' {1 F* s Z8 G" E9 Qjust be seen against the horizon’s sky in daylight. The visibility is related to the ! h w$ y, |4 G& hclarity of the atmosphere ranging from 170 miles (280 kilometers) for an 6 L3 K- D% }& b! M' s: a9 x9 dexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze # H; [: P: o! X4 B) c- W4 O0 e; Z) R* gor fog. The visibility on an average clear day is taken to be 12 miles (19 5 r+ ]3 F* o4 i8 M+ t% Okilometers). Visible Electro- " i" Z* m! S* bOptics 7 d5 U; t' f$ @7 r, Z' }# B- Z- u) qTechnologies/techniques employed by optical sensors in the visible portion of ~' f& V7 C3 ^the wavelength spectrum. % v" z5 q: v8 fVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. 5 x7 S# A) f! CVLOS Vertical Line of Sight.

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VLS Vertical Launch System. 6 b/ w+ ~6 f* |7 `VLSI Very Large Scale Integration. VLSIC VLSI Circuits. . o N7 R1 t. U3 ?3 T# e( v, AVLWIR Very Long Wavelength Infrared. & t6 r; \5 M9 d* D2 HVME Versa Modular European [standards]. / x( [# L( H2 _, n2 R' cVMF Variable Message Format (Telecomm term). 7 J8 N% t+ ?1 M" c1 j) Z. ]VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 7 U6 O# v+ H3 O; o2 L4 @VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 9 N3 A' U! Z$ Q) Z! MVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 6 A- [3 m6 R. E1 r, X- |" yVulcan 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 W/ With. w/o Without. 3 S6 O# S" w. A5 n! I/ j- bW/TD Warning/Threat Detection. 3 h# @& ?7 N; [2 ^" rWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. - }1 T: e; S: DWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 6 }' ]* n0 c6 a" n4 W0 MMunition. (3) Wide Area Mine. (4) Wide Area Missile. , h0 y8 c, a" n( R$ [' TWAN Wide Area Network (Telecomm/Computer term). + \# E2 d. H8 v. g0 f qWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the 4 ^. ~' r. S9 T3 \% S7 C0 j9 BJNTF for use in CONOPS validation, missile defense program design verification, 0 H# i8 H2 @' Z% y' a: Jvalidation and accreditation, and support CinC/Allied wargames and ; ^3 G1 C/ \; z0 fassessments. " n+ F" D- T' s. K* W, u6 E; NWarhead A weapon, usually thermonuclear, contained as the payload of a missile. : Y3 h M/ O; W/ k M" X* yWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, - n9 m/ l1 o& u9 M3 [# \- ?9 s( Cairframe, motor, or guidance section. 6 ~# T, ?6 w4 o4 ZWarhead Section A completely assembled warhead including appropriate skin sections and related components. $ f1 `& d8 S( p& q' \- _WARM Wartime Reserve Modes. ; A& G( s9 R* P' zWarning of Attack A warning to national policymakers that an adversary is not only preparing its 1 @* x( z# f" a9 x& farmed forces for war, but intends to launch an attack in the near future. 5 o+ L E4 Y$ }' T. n/ F* h3 b4 F4 IWarning Order A preliminary notice of an order or action that is to follow. 0 H/ M% X: [1 O* |9 v/ AWARSIM Warfighter Simulation (US Army term). . p( G& O1 u( }( o5 eWARSIM 2000 Warfighter Simulation 2000 (US Army term). 4 [" q/ F2 u7 EWartime Reserve 1 D# x9 r! N! E4 aModes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for ; C, o/ T1 S3 ^' d: F) ^+ W1 Nwartime or emergency use and seldom, if ever, applied or intercepted prior to 8 C M% \6 v. F- h& a+ I+ Asuch use. 9 h8 p7 q0 l: g; W9 HWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 / c$ [/ R6 Z, Q& y d& q; GWASHDC Washington, District of Columbia. 1 `7 @. \9 X5 i f) `# WWastage (Max) The maximum number of defense weapons which, when used, will be ineffective 9 F5 c& G. r( Y# `1 P# }. h& _in contributing to the defeat of the offense. " v3 e& b! }( C9 p8 `6 I" H; iWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 8 |. m' r" P* g# J% @& Hto watchfulness without raising DEFCON. WATS Wide Area Telephone System. ) R& N+ W7 w. M) [; M8 m! k' E+ fWAVE 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. WBM Weapons Battle Manager(s). " X& P1 W4 K v* z/ |WBS See Work Breakdown Structure. & M; k" X8 e% z5 K& i6 ]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. W. ~) ?6 Y5 ]7 ?) `7 z$ L: ]WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.