航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 ( U$ Z9 K! Z5 n; ^% u6 m$ y! wTheater Missile Defense Council - ~& N, E' g& s( U8 P(TMDC) ) V4 k- K% U1 f) y9 t1 i7 cA consultative body for considering TMD family of systems planning and " L" F% h# o6 F( W# p0 f* tprogramming issues; chaired by an Assistant to the MDA Deputy for / t0 i6 _& T kAcquisition/TMD, membership includes MDA TMD Directors, representatives of # H* U8 V# }9 B# m9 m* e) a/ |each applicable Service Program Executive Officer, and TMD Executive Agents . f/ `' j3 D4 Qand Program Managers. Theater High Altitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area 9 G0 S4 H: S& {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. 3 H, M9 X4 t6 [% p% m% CTheater Missile (TM) & S: f+ y$ I5 R4 o! f8 QA 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 2 \7 O' O+ ?. @! w o: Cof attacking targets in a theater. 2 z; L5 U: Z5 Q3 |Theater Missile ) B5 F* o/ l) m- z$ ^2 |& bDefense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. / @1 G! A4 W! b# G; STheater Missile Defense Ground- 0 V X/ A, v4 {( LBased Radar 1 T3 Q: @% u3 @* g(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as & Z# V' S0 W( s% _! lTHAAD Radar. Theater Missile ) \8 V, K: r! n# ^% |! r5 ?9 W9 N& xDefense Initiative - l1 S6 s* n' E2 N, g& N* q(TMDI) An initiative under which all DoD theater and tactical missile defense activities are ! p# E# a& M. J% r8 e+ R3 p Jcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 ! ?! ~5 w' H! o& N, p(Public Law 102–484) directed establishment of a TMDI office within the DoD. ; n$ @; w: Q$ k; \& rTHEL 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 expressed in terms of calories per square centimeter. 7 ]% ?" Z2 v8 a' r6 uThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. ; Z. h6 u: W( r# q8 v5 LThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. : n! W8 j! [. D) A. B7 G& r6 WThermal 3 L5 E! x. X2 G7 aManagement Technologies/techniques associated with the control and management of 3 d/ {- \! b. h; ]1 o' hthermal energy, its generation, dissipation, and recovery. B$ Q) v7 y% _5 J" UThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the * Y/ w- L8 t! V7 A w$ N- i9 m( Ofireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. # G/ p2 c2 E* ~6 ^2 }% ?9 kThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the ( {$ Z2 i5 f3 g; P# _: D( ?5 Cabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated 5 |, }1 u/ |- r' C }: Tregion) which then emits thermal radiation. (See X-Rays.) 0 n: [% N: u" G5 g( C$ MMDA GLOSSARY, VER. 4.0 T 299 # z7 i7 P' q& v$ @% rThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 1 x* D+ u9 ~. p0 fit is a region of more or less steadily increasing temperature with height, starting ( \. f; i$ D' a) Uat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization 5 C S9 |# O+ N; X& i% tAn assessment of the nature, magnitude and intent of an attack in progress. : u. z: I8 R. xThreat Corridor (Threat Tube) 5 a2 m% @4 C) IA 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 7 m5 g0 Q( L" a' X7 H+ M ]trajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive ' F4 x. c9 P* l7 r; Ssystems and architectures. % ?* Q# q2 M% A0 V, S8 m8 ~Threshold Performance capability or characteristic level in terms of a minimum acceptable 7 t. b1 c( y5 d; Dvalue (threshold) required to satisfy the mission need and a performance ' {0 \0 U8 ~: P f9 Q) }* j. gobjective. Threshold Defense ! e/ u3 e8 _* F+ t/ iA defense strategy that concedes that the target can be destroyed at a price ' G# P# s( l" S, n ?that is not prohibitive, but the presence of the defense is thought to require the " I" S* R, y3 P3 D% E3 W4 goffense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. c5 f' M# w2 Z! E" `Thrusted - q9 j! g( }. K. YReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to . p& ^% i% L2 m1 n9 P; C& ~change the decoy’s optical signature to resemble that of an RV in the reentry phase. 6 q1 {8 G- G2 |8 z- Y D, HTI (1) Technical Instruction. (2) Technology Insertion. + a& `+ ~) n5 O' D3 M5 V# \* dTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. ( u! e! p" n/ O5 ?(3) Theater Intelligence Broadcast System. 5 r+ i- A$ H) I1 o' j1 `/ ~5 [9 H- Q. \TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. / B, l# l! b% o2 ]TIDP Technical Interface Design Plan. 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). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. 2 u2 I4 E4 v! t1 d2 jTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. $ G) z) F; [1 X5 b* K; b* vTIL Technical Insertion Laboratory. 1 s% o2 s, v; q& j: t# WTIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and / t4 g9 y2 f4 Q7 u; D6 |: YDeployment List 0 G0 h: B! e/ f6 P EAppendix 1 to Annex A of the operation plan. It identifies types and/or actual - y% B" T c. C. a4 _units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight ( p( f7 q' u& r* \. k- `8 v" o1 b(Max) ( C' g2 u! W: e4 [; HThe maximum time for a booster or vehicle to perform its function from time of 8 v& L2 R8 c+ H r; Qlaunch. Time on Station The time the sensor is in its operating position. 1 w3 Q# A3 F- K; M2 |0 b, T, hTime Sensitive 4 ?% H; u) n9 {/ x, X9 mTargets ( \6 y4 v' T- X# c3 OThose target requiring immediate response because they pose (or will soon 7 ]0 h' X6 r) F* {& dpose) 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. 0 f7 T' J8 Y" I3 UTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. # w& ]3 d7 |4 x! k. c$ n% ?TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar ' }3 H- Q$ S3 z8 yTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. $ G7 f2 `- G e) x$ fTitan USICBM. 6 R U' [7 h, n% F/ k# a7 f* o* VTIU TIBS/Tactical Interface Unit. 5 }0 y0 f/ c8 bTIWG Test Integration Working Group. (U.S. Army) ^3 W, x" r; V3 \+ }TL Team Leader. 6 A3 U! z! p9 @; w8 e/ g! xTLA Time Line Analysis. % a8 r0 a. m. x4 G# u- ATLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). % H/ j0 Q" p5 C& j7 PTLDD Top Level Design Document. + E5 a# U8 U0 }* cTLV Target Launch Vehicle. 0 ]9 S/ {. N1 YTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. 2 d( L5 G% U$ s/ s# X* s0 {, C( PTMD C2 Theater Missile Defense Command and Control. I; E' N" Z: Z- T6 AMDA GLOSSARY, VER. 4.0 T 9 k5 C' E2 l: M2 I301 TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. 0 V0 S" U \% }3 m3 VTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). & @. e4 |! ^- Y( u9 S4 ZTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 9 M7 U# w& Z% ^8 ]1 I! TTMD IA Theater Missile Interoperability Architecture. 1 n/ i% B* ]1 yTMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. ) Y; w, A; O0 b, z5 zTMMM TOMAHAWK Multi-Mission Missile. 2 Y; j7 K6 p/ I& i, dTMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. + D4 m* v4 k/ pTNF Theater Nuclear Forces [Treaty term]. 9 ~% W8 `, z- z1 tTNT Trinitrotoluene. . Y$ L+ {* U1 {1 h+ _1 fTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. ! n- `/ }/ k0 T: E* {) ^TOA Total Obligation Authority. 2 ~9 o% I) _6 X" X) N' CTOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. 6 C. g. w0 F& b2 j% lTOF Time of Flight. TOI Track of Interest. ; b' }0 _8 ]$ z* V( {TOIA 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 . Y4 X% H3 q$ C1 B0 U- v302 P- ?: j5 [1 h0 Z- M% gTOMD Task Radar Management Details. , X* Y8 R# F1 f: R3 M7 t; ITOMP Task Order Management Plan. 6 E7 K9 g. x% F2 UTOMS Total Ozone Mapping Spectrometer (NASA term). ( I5 [8 M% y: F" t( f0 S- nTOO Target of Opportunity. Q' S$ ^8 m7 s) }& [. n1 U, tTOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a . G& a$ g2 o$ J. a( }+ fhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down ' ]* Y- w) V$ h5 O9 j2 ^. W( V" UDesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the - C5 C7 T( Y4 Z9 B7 K1 R1 _$ \* n9 Vdesired level of detail is achieved. $ O* V) q0 d3 o' l+ [Top-Down 8 p/ V. n, x3 z- h) b( a9 QTesting The 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 # D1 }+ Q6 ^. x5 x- z/ c* utechnology to U.S. BMD applications. " c" F+ ?1 S- A$ ?4 ~+ o( STOR Terms of Reference. - C% @9 Y% j& ?+ ~0 lTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. 0 a+ t- m) ]- Y& `$ w' g" V xTOT Time on Target 7 f! Q9 s0 p. E' \8 zTotal Obligation 7 h0 ?3 H/ N% z- rAuthority (TOA) L- s8 B2 h- H/ eA DoD financial term, which expresses the value of the direct program for a given * w" R7 W2 E; N- ^5 e+ |6 q4 qfiscal year. . f6 H& F* L* O1 U" KTotal Quality Management (TQM) 7 M3 d) ~6 c4 g2 D0 p& T( z, eA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 4 x* x% y6 r+ j5 dTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 5 n- e0 Q _) M0 `! Qpossessed 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). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). : A0 o. |$ E% DTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. : E0 ~/ b' v: X( V8 H xTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. 4 V. s+ m* P8 C& S: }- b( wTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office * V2 J' a; a! |+ t8 y1 hTPP Test Procedure Plan. , c) V' N2 `/ r) uTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target " I6 {1 Z! y( i, D8 cPerformance Report. TPS Thermal Protection System. & V) W$ i1 _6 K" }TPT Theater Planning Tool. 8 d# P0 p7 b- m7 e* t! W' j7 C7 W9 ]TPWG Test Planning Working Group. (U.S. Air Force) ; R4 H( D$ S* z! V* P. RTQM Total Quality Management. 4 P, x5 F }! O/ gTraceability (1) The characteristic of software systems or designs or architectures or 1 g. ] {$ ~( {; udomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or . |8 Z F9 V% _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. ]4 D3 j) ?9 f: W* s+ b4 | ](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 * W5 L3 V% ~. o8 Q7 r- r" \instrument at a moving target. + X: _# ^4 L' i5 r0 g( \, L, }(5) The actual path of an aircraft above, or a ship on, the surface of the " I3 w+ M4 D" Tearth. Track " f1 a' P1 |/ [7 ~1 l7 FAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. 5 E/ ]/ B' [" y. D8 NTrack, Birth to ( x9 S& S l4 {% t3 G( q' mDeath : [, U o5 v! Z' T7 o7 RThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available data. 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 % w$ r( ~- \- X8 W4 B% `) jor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 304 / b& L+ Z# g6 g4 l2 XTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS # M4 j) s. k1 [3 n! F: Jmeasurements with irradiances with confidence of association; or some subset of the above. / ] H6 @7 i5 [ _6 P$ u ]! M1 i5 @# HTrack File-Track 9 s6 j+ ^. u A9 x8 o2 p3 XHistory - y. W- ^ {& n( \/ Q% WA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. % ^, R) f3 u ^4 O/ vTrack Formation The process of determining the track or tracks of detected objects. It is usually a 3 T# }; O/ B5 l9 Uthree-step process of data association, track initialization, and track improvement by filtering. 4 d) b6 g( z. p- k+ V2 k4 ZTracking The act of generating and maintaining a time history of an object's position and 6 G) M4 O6 @& u; k- l/ Many other features of interest. Tracking and 6 `- l# t& }. A' bPointing 3 W: ^8 _" @. O+ cOnce a target is detected, it must be followed or “tracked”. When the target is \; d A" o; c+ l5 h/ ~6 Lsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing : c( R* o% _ ]are frequently integrated operations. " D& T# Y2 o+ HTracking Range 0 b, a N2 Y3 h, s3 m6 F# T(Max) The maximum line of sight distance at which a sensor can maintain track of an object. ( `, f! u4 @ L" p$ hTrack 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 $ ~* J( L0 C: o5 @frames. 4 R. I% C) A Y6 Q: X- pTrack Production ) ]' o% {0 n2 S9 EArea Y* n& {2 ]8 c) iAn area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. 2 U. S3 u+ Q( c! Y: _: CTrack Telling The process of communicating air surveillance and tactical data information 8 i6 B+ u: _4 K; I/ i" m% Ebetween command and control systems or between facilities within the systems. % j. I& U, n$ [8 p" p: UTelling may be classified into the following types: back tell; cross tell; forward tell; . E; B) o D* G# j& |" O4 Blateral tell; overlap tell; and relateral tell. & U1 |$ d0 {; D8 p. C, r; ^& ]TRADEX Target Resolution and Discrimination Experiment. 4 a& w, U9 _( C1 jTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. % c }5 C$ n( Q4 p8 MTraffic Capability Maximum The maximum number of objects per unit time which the sensor system can . |6 B' M; I+ |) s/ N; Z" imaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. ( U3 S7 k; |8 y/ {9 bTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. , [: j3 }: b: C jTrajectory The curve described by an object moving through space. Trajectory * |* x) o2 n7 U; h* E4 ^Histories ( C3 n0 j4 C" E3 P# {* `& \/ hTrajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 8 g3 E3 ~' W( g) VTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. / }0 c! \. }3 l: R! z I4 ?9 nMDA GLOSSARY, VER. 4.0 T , W- m% ^3 D0 L) v305 , S/ D, K4 S& n" E8 j2 KTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to 2 z) X. G% O2 g6 X$ uProduction 0 y8 d9 a$ q& o" t8 UA risk reduction process during which the program shifts (passes) from 1 \7 _9 V; [" C# C5 udevelopment to production. It is not an exact point, but is described as a 3 s. u2 [ m$ tprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security (TRANSEC) That component of security, which results from all measures, designed to protect 3 c9 e$ T7 i* I6 Z6 T) [communications transmissions from interception and traffic analysis. (See # J( [$ G+ o2 {/ R: i6 R6 NCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative : x! m! m5 u, ]" i* U1 C) r( Q; d9 Nspeed of the fluid is subsonic in some places and supersonic in others. This is + ]; n2 f) D! Iencountered when passing from subsonic to supersonic speeds and vice versa. ! R# h5 o3 _ [. }8 f* ]/ F7 D9 s" KTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. 9 A% T$ }9 P6 i# C1 \+ K9 LTrap Door A hidden software or hardware mechanism that permits system security / c7 q! K& F: O L+ Fmechanisms to be circumvented. ! W( n% D: w$ E: e" N+ QTraveling Wave 8 {) R) O, l8 b6 uTube (TWT) 7 d- J' Q% L1 Y( V9 l9 e' w! [An electronic tube in which a stream of electrons interact continuously or 6 |, h, d6 M& O: f6 m# ?3 m$ `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 : T! l3 d; Q& y+ c! y. E, d9 cthe microwave region. ! i8 f% K% N, [/ S4 JTraverse (1) To turn a weapon to the right or left on its mount. + w8 P ~9 D5 s" E/ W(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. TRB Tactical Review Board. TRD Technical Requirements Document. 4 k' a! B8 A% c8 m% `+ W1 ], TTRE Tactical Receive Equipment. ' I: o* H0 J% c2 X4 T0 vTREA Transmit/Receive Element Array (THAAD). , B. }8 W# p' c7 I$ W( CTREE Transient Radiation Effects on Electronics. 3 ]; W$ ~7 v' ?% hTREM Total Radiation Environment Model. 3 E8 o1 x) ]' \TREPS See Thrusted Replicas. 6 M9 A$ w' `) y$ T& q) ]TRESIM Tactical Receive Equipment Simulator. 1 a( K7 k+ V# d9 zMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). " S t) q7 ?) W2 j Y# m4 \TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 1 G/ C; o( a. _. Z7 u0 K/ OTRM Technical Reference Model. 6 j1 p5 a3 l; G- {5 RTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains 0 W( `- w; C! I C% cadditional (hidden) functions that surreptitiously exploit the legitimate 9 u+ Z) I3 B; d6 I! f7 qauthorizations of the invoking process to the detriment of security or mission . B4 `+ s+ G6 `; M/ mperformance. ( ^" l$ j5 R. `3 Q9 A/ T2 DTROPO Tropospheric Scatter. , m# S O3 w# b! z% qTropopause 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 4 k8 o. y+ x# }tropics. (See Stratosphere, Troposphere.) + G4 Y, H. p' \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 ' m6 W* ~4 }" F3 Ualtitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of . g8 S. Z, q/ Hirregularities in the physical properties of the troposphere. 1 f% K0 N0 s. E3 \* e4 cTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. 7 s; p' `/ ^6 V. z(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. # H' E( l5 z' m9 U$ [Trusted / o; ?' z* H$ {( |# L0 Q( i2 x4 tComputer System/Software A system or its software that employs sufficient hardware and software integrity 0 q/ ~5 J8 u8 v/ w- M/ qmeasures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the % E. v0 U4 F1 e1 x7 s: hTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T $ x, x1 ` S5 L" O1 i307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). 9 U& b7 e! g- I. L1 U% eTSD Tactical Surveillance Demonstration. ; J7 u1 H- F3 L3 }8 C: L. TTSDE Tactical Surveillance Demonstration Enhancement. ; B& B0 g b/ H" w6 bTSEU Technology Seeker Evaluation Unit. $ d1 m6 d9 v2 T* i6 {TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. + G$ F" n# k& I* |TSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. 2 ]% \/ H6 l: H0 M6 b4 ^TSS Terminal Surveillance Sensor. : O, u+ I6 q1 m6 U3 QTSSAM Tri-Service Standoff Attack Missile. 6 j- p! s) F& p) ?4 hTSWG Target Signature Working Group. TT Total Time. 9 J0 X$ h: @! s- O, CTT&C Telemetry, Tracking and Command. : H# M7 `& u; s3 DTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. ' X$ g6 c( c+ TTTBM Terminal Tier Battle Manager. TTBT 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, # C3 o' f; T4 A/ F# j4 Jwhich have significant potential for improving testing. + M/ a4 `4 s4 K( F0 YTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 4 C( ~& Y5 O9 ~9 o1 k+ I+ rTTP Tactics, Techniques, and Procedures. 1 a: X ^' @4 h* b bTTSARB Technology Transfer and Security Assistance Review Board. & g: T2 c$ S# E2 ]$ p( U8 qTTT Test Technology Transfer. ! X6 x. g8 S' m& |% ~8 I' I- WMDA GLOSSARY, VER. 4.0 T 308 % G; z# l+ w* l5 ^/ J$ y }TTV Technology Test Vehicle. 0 U# J) I8 | t8 y2 W9 P( ZTTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. & a S) H7 c w2 P& LTVE Technology Validation Experiment. / @2 Q! i; \3 M' ?: t2 bTVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 2 d5 O2 A( \1 r8 {TWS TOMAHAWK Weapons System (USN term). ; H7 d% T- a" ^7 T; }* ^; u/ }TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). . a- y3 l% ?" Z3 PTY$M Then Year Dollars Millions. 2 A4 Z) k' b8 [" P8 B# |4 ^: HType A - System % _1 H6 T" M/ |8 w2 l! @) J9 {Specification States all necessary requirements in terms of performance, including test 2 g) c* x/ J% R1 F$ vprovisions to assure that all requirements are achieved. Essential physical 0 d/ e6 f6 A9 n4 v' D7 N2 l5 Dconstraints are included. Type A specifications state the technical and mission ' O+ J# g- f/ _. grequirements of the system as an entity. Type B - + f+ ?: `$ `5 p. x0 X# }2 p3 a& w, ]) r* ^Development & X( m' w4 o) O3 u% I$ XSpecification / m/ ], q3 A# C7 `9 `States all necessary requirements in terms of performance. Essential physical 4 u6 m! ]7 Z% zconstraints are included. Type B specifications state requirements for the 4 u8 ~4 w2 G7 }! O7 p9 Edevelopment of items other than systems. They specify all of the required item " V. O( ~+ R0 P) b& R1 H# C+ Yfunctional characteristics and the tests required to demonstrate achievement of + U% G, B3 h: ~+ z! Dthose characteristics. Type C - Product , ~3 {7 V" G. i- n; C n1 Y& u$ hSpecification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. Typhoon Class of Soviet ballistic missile submarines. 0 ?/ n' N/ y4 n$ d; }( A% UTyping 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 2 J9 Y- c$ s6 }' F309 U Uranium. / M6 C3 V2 x% \6 _2 P) \& }U&S Unified and Specified [commands] (pre-1996 term). , n5 |0 ^9 s9 iU.K (UK) United Kingdom. U.S. (US) United States. # v2 X3 F. A' wU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). 3 t0 a/ g+ x! G, W9 X+ `/ hUAE United Arab Emirates. 9 |: t \9 f% Y# t% M4 ?UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. 2 }1 A$ B, s9 r0 A4 d; U5 fUCC 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). UDS Universal Documentation System. A standardized comprehensive tool for stating 3 h. b" Q" b( w, aand coordinating program requirements for testing MRTFB ranges, as well as the / W9 m/ `3 x: T9 G# I' \' ^capabilities and plans of test ranges to support program requirements. It " @3 J/ E M; m; Z5 E- ]$ e4 Jconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), F3 @- d! B1 A. z9 p8 b2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) + B0 J0 j' j( ]9 sOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 0 h' L5 G* z/ }+ LOperations 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. 4 C4 {! D+ I' I( d, h9 VUEWR Upgrade Early Warning Radar. ( n: R9 D8 [/ r+ @) b. S4 _UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 6 I6 K" Y! h8 M5 l0 LUFG User Focus Group. ( e3 J' H0 P$ XUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. , H9 Z3 p& t0 A7 g. N UUGF Underground Facility. UGS Unattended Ground Sensors. 9 f8 f2 k# b: v: m, U& R- EUGT Under Ground Test. " ]" E5 _1 M/ _1 e/ H, q) ~, } I! gUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. + ?8 t& d; s# rUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). # E# K# e! l. N/ f& YULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. 8 v, c2 R* g, h$ sULTDS Unit Level Tactical Data Switch (SINCGARS term). / R/ W! i! @' o% N- K6 VUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 4 s% ~7 i2 v1 E' z' T5 v/ i(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). + O6 n0 L: c6 W1 G2 QUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare + _5 Y7 K+ `; U, {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 ' g- Z0 T( j ?and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. 3 Q/ d' [% S& e2 A" Y/ ~4 \Unified Action Armed Forces 8 M- s5 m0 |7 t9 bA publication setting forth the principles, doctrines, and functions governing the 0 e+ B ~; P5 ~$ yactivities and performance of the Armed Forces of the United States when two or % @: V+ ]7 b0 _" c( x, `) X" D$ ?: m9 _more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 0 t( W4 U" e9 B9 ?which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. . d$ r( @9 B4 d: dMDA GLOSSARY, VER. 4.0 U # J5 O/ z1 l# k u' A/ k311 1 N5 E0 ^1 t0 [4 Q, rUNISYS UNISYS Corporation. 9 e% ^3 c8 ]) N2 w8 VUnited States Army + c* p7 }: k/ f" J. n# RSpace Command - S" r: N, @1 z, A" v0 M; E(USARSPACE) - d8 q( P+ T8 ~* R L# ]& b: f5 ZThe Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. - \1 j# U6 P4 n8 V) U+ d8 fUnited States Space Command 7 Y8 B' C) v3 w7 p0 D) ?. p# u(USSPACECOM) 7 l( n/ K2 W) ?7 ?% J7 f' \The unified command responsible for planning and conducting ballistic missile ! }6 h" n1 F. o- f! {defense. Located in Colorado Springs, CO. 0 s- a8 D2 L9 ]- y; S/ ?; Z( Y9 iUnited States 7 n8 _. H4 L8 I ~! _$ oStrategic : d% `2 l5 v+ J- t7 A0 A( rCommand (USSTRATCOM) 1 W. S/ `9 W( i, c. w2 a1 sThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. 7 I4 X, n# j5 C! Z. EUnited States Transportation Command - ?5 m& y6 I1 K8 r2 P4 t(USTRANSCOM) + K0 R" b- B0 w1 qThe 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 : O# m* J" l; }2 D9 F3 x, cterminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces 5 k* C( G( Q* g9 ^ C. U9 won a global basis, as directed by the Secretary of Defense. Located at Scott + u( j2 W7 a$ r( { f+ ^1 z' w x$ L: sAFB, IL.

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Unk Unknown. 5 @; V; G1 i; j$ tUnresolved ) A; r3 \1 ^" [' d" v: p2 \: @: yObjects * L$ f2 h1 D0 y+ i% v! MObjects so closely spaced with respect to the sensor focal plane as to be 8 A, n" w: x) ~" _, `; iindistinguishable from a single object. ( E5 Y: _( y2 wUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). % L* V, e9 f. MUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. 7 M+ x, g- d( { v# j& vUQT Unit Qualification Training (ILS term). 4 Q- Y; K, V+ P; V" SURIP University Research Initiative Support Program. ! E- H' r. U s3 L' GURL Uniform Resource Locator (internet protocol term). : ?$ g2 f' |. I, ^( FURT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. 9 h/ J' C& G) wUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U ' P3 c' G& m6 [8 W312 USACE United States Army Corps of Engineers. 7 Q3 {/ w/ j$ q! w/ ]' d: r9 PUSACOM United States Atlantic Command, Norfolk, VA. 3 k6 _; x' ]- i) r, KUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. - v5 a0 }9 k3 X% Q" UUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF $ `( m1 @; }8 [Systems Command /SSD. % W2 Z! I& F7 \, k% EUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. % S) w' Z+ V- E5 e0 }USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. : e+ l: Q+ \4 B- J" v& X" UUSAFE U.S. Air Forces in Europe. : t9 b+ O% ~: \: uUSAFLANT U.S. Air Force, U.S. Atlantic Command. , I( J- _- M; e3 `% X2 P" R% j6 gUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ; K$ d$ c9 A, H, L' s; `- }0 K' p r* VUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 8 }! v" O1 _- f1 ?. ~6 `) XUSAOTEC U.S. Army Operational Test and Evaluation Command. ' c1 B; W- u0 _USARCENT U.S. Army Forces, U.S. Central Command. . Y& C. s4 C6 f' W9 VUSAREUR U.S. Army Forces, U.S. European Command. 7 [5 u/ h. K0 O. d$ @. d. E, i9 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). & X) _2 ~* o5 {* U2 s" cUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. $ z. T. T5 }. V- `1 i1 M/ AUSC U.S. Code. * B: k2 V3 m# w) UUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. 7 B3 M; Q; ^$ f) Y% Z3 L% BUSCG United States Coast Guard. : f6 y7 r9 K* @; Y. K" mUSCINCCENT Commander in Chief, U.S. Central Command. 4 Z% b1 t' m J/ z- h2 OUSCINCEUR U.S. Commander in Chief, Europe. + V+ r# j9 d% BUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. % s6 A0 @! b& a) }/ J' CUSCINCSPACE Commander-in-Chief, U.S. Space Command. ~2 Y" n5 N9 H( b$ O) w* VUSCINCTRANS Commander in Chief, U.S. Transportation Command. 4 S# ]( @) d: r& sUSCS U.S. Customs Services. USD Under Secretary of Defense. 7 ]. B6 s9 S7 @5 X, oUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. 4 Y2 I7 o; V) _8 r; EUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. # |5 h( x1 b2 ?1 c4 nUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine ! y) m5 M8 Y6 J(hardware) or program (software) that is compatible with a person's ability to 7 a; J& K. }& E# ]7 d- J6 }operate it successfully and easily. User Operational Evaluation System (UOES) Prototypical system developed and tested as part of the early phases of the * t4 X8 O# e# V7 f( cdevelopment process. A UOES has two objectives: (1) testing, evaluation, and 5 {& ]" h! \1 E, _1 z. `- @training for a system proceeding through the normal acquisition process; and (2) ! X' Y0 A9 ]% R( D6 M8 bcontingency defense capability should the need arise prior to completion of the " F& Q- Y3 x8 W0 z) l$ H7 w* _* n* m( \normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. + T- {; G0 R8 l' m- oUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. R q# R8 X6 ]6 s2 y( @4 N& y5 W# @USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 / J) g# V: U V. V) fUSLANTCOM United States Atlantic Command (Now see USACOM). : Z6 i' ~3 B3 c! |# u$ L5 _USLANTFLT U.S. Atlantic Fleet. 7 S' i0 Q1 c6 A+ t8 B# @- kUSMAR- 5 F8 v4 C# Q& J: K' P% I3 T, cFORCENT U.S. Marine Component, U.S. Central Command. - [% k: o! D2 t5 I, S: cUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. $ O8 M, s/ e) z$ ^USMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. % s* e& E* E+ z8 I6 m& {# kUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. . Y2 \5 s9 y1 z+ Q9 D" CUSNIP U.S. Naval Institute Proceedings. / G; o4 d3 W. \3 Y* g8 S0 S6 q; qUSNO U.S. Naval Observatory. 2 I9 y$ b3 H/ C6 A+ nUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. ) B5 J' m( _( v: IUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. / r2 V6 b, k& bUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. / g3 e# J/ y( E" yUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. ! L0 F) e+ U1 `* h0 A7 Y) u) X2 mUSSS United States Secret Service. # i+ H8 J5 O* u2 ~( ZUSSTRATCOM See United States Strategic Command. : |3 K+ q& ]2 Y& wUSTA United States Telephone Association. + f" U I% E7 q) m! yUSTRANSCOM See United States Transportation Command. UT Universal Time. & z$ q& _5 Y1 g) `7 M# bUTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ) E5 Q- w3 V: h1 t$ k# yUUT Unit Under Test (ILS term). UV Ultraviolet. F& w, J& A( n2 `4 Q6 |; \UV Electro- Optics / [" h+ ]0 i. { KTechnologies/techniques employed by optical sensors in the wavelength / O; e1 ?2 A$ s: {# rspectrum shorter than visible (e.g., less than 4,000 A). `) @0 \1 k& H2 |9 CUVPI Ultraviolet Plume Instrument. ! ^: l7 J- I5 Q, o0 {" IUW Unconventional Warfare. $ R- b0 z; ]* }* K! p! mMDA GLOSSARY, VER. 4.0 V % n: j2 { ~& R6 K8 C& r' ~ s316 V Volt. 4 |8 S% A0 l9 D) s( ^' {; r+ j9 G, vV&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/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 . l. A3 [ b$ M2 Dworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. 9 f8 N0 ]+ `4 ^$ TVAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. / y% A w& F1 Y& p/ D. [Variability The manner in which the probability of damage to a specific target decreases 4 \3 }3 L; I$ d7 Z3 [* G5 _) \3 q0 Lwith the distance from ground zero; or, in damage assessment, a mathematical 0 L0 L& L2 W2 _2 @2 f+ O9 l9 Ifactor introduced to average the effects of orientation, minor shielding, and # A! c+ e; B9 L u# e1 Juncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ( d e a* q& w2 T% i- W0 K0 @: x) pVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. & ^9 F! H. p7 U' p8 XVCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. ( L- j9 q+ t% k; YVDU Visual Display Unit. VE Value Engineering. ! s& ~1 v8 v0 gVECP Value Engineering Change Proposal. 9 u" \; ^) C4 z6 z# | F0 ~* {Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, ' Q9 T. l" _+ d# X+ Hcalculations, logic, and interactions of the system under evaluation. 5 D, @! k/ l* A. q' Y7 u+ L) V(2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements. - O: O6 k9 `) A" y3 U6 S1 nVESA Video Electronics Standards Association. ! M0 t+ H. t: M- g: C/ NVFR Visual Flight Rules. 2 M& r* M8 _( R/ {* Q1 r, NVGA Video Graphics Array (Telecomm/Computer term). ; E1 x {6 [* y( t& e' t5 dVHF Very High Frequency. ! Z4 m9 U4 y4 `5 CVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). " l g( Y1 [# S0 ~& s* qVIGILANTE 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 . l* N. ?7 w/ I8 d, Zcircuitry and commercial components. Project also demonstrates VIRGIL, a ! o6 J c' f7 R' N. Ygimbaled 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. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. & b% a2 L2 n$ _Visibility Range (or Visibility) 6 q$ J( W' S. \! w' x5 G5 C. {; z) kThe horizontal distance (in kilometers or miles) at which a large dark object can 1 w) G( _0 g3 c7 J! B9 Ejust be seen against the horizon’s sky in daylight. The visibility is related to the - ^; h4 B" l& C5 s3 Cclarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- 2 J E. q* X4 U3 D. k' MOptics Technologies/techniques employed by optical sensors in the visible portion of + m% ^1 d1 M: F+ N, s4 R+ x2 uthe wavelength spectrum. . a* E! O$ P2 B& z/ D0 uVLAR Vertical Launch and Recovery (UAV JPO term). * f; m0 ?7 r' ?) v$ J, @' o& pVLF Very Low Frequency. 7 c7 t& |# G2 Z) RVLOS Vertical Line of Sight.

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VLS Vertical Launch System. 3 o' Q& s+ V# T. f/ a. W& C( t0 BVLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. & n8 z. C7 p! }5 e* MVMF Variable Message Format (Telecomm term). VOX Voice Actuation. ; R9 J( a, k5 M( }" a: [; mVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 6 @1 n l- L6 `, \VTOL Vertical Takeoff and Landing [aircraft]. ( g, f0 T! O- _% Y' g/ z' JVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. 7 U% C8 t+ P d. c7 hVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. / Q) E/ F; L" MMDA GLOSSARY, VER. 4.0 W 2 A" X4 h: P4 f5 I. _, y& V9 x6 ?319 6 @- \$ r* G, @9 B8 D2 WW/ With. w/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). ! y2 x5 x9 s) A- y4 Q0 X3 A8 D% _WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more 6 C& g7 E& N* k7 w3 U/ gopposing forces, using rules, data, and procedures designed to depict an actual # J- ~/ i' f+ G! Ror assumed real life situation. 9 m0 p2 F- u0 F: t. z( k5 q) UWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and assessments. 2 n6 a2 k: P3 I0 W1 A) _- d1 dWarhead A weapon, usually thermonuclear, contained as the payload of a missile. * m5 ]- E6 F% j6 j2 \: FWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related 9 H4 |/ u4 I/ r, Q" Qcomponents. {) \$ S: R$ u7 q) VWARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. 2 E$ t B2 U9 VWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). 2 V" J/ R2 c9 Q9 gWartime Reserve + ~; v8 B A& |0 D& {! MModes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. 3 _6 X+ B; `1 ?9 TWASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W $ l5 B* v- N# s/ Y320 - R" @- K$ K1 T( W7 dWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective % L4 K5 I7 h! S3 u4 l& Y( P& Win contributing to the defeat of the offense. Watch Condition + T4 E2 R0 g' h" l. ` d(WATCHCON) / s1 b# E, ]7 i. }- M8 BSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. " ]3 ]% Y( y3 w! ZWAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive 8 Z. D3 S$ {* }1 }9 O. i& g# n. jcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. ( C/ e/ r$ K, ]. }' q( wWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ! ^8 z( `( N, W' ?, |" O. M" ?4 OWCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.