航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council 0 \8 Y0 v- K* a6 D; Y- U6 d$ d(TMDC) A consultative body for considering TMD family of systems planning and % M$ M j+ q& P5 K5 t4 r% gprogramming issues; chaired by an Assistant to the MDA Deputy for % D- S% ?# }* pAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 0 z/ F- R: ^+ t8 t& C) v7 cand Program Managers. Theater High & V: {3 b7 j$ u" |Altitude Area Defense System % `0 _$ A6 ?0 v9 F- U% d/ G(THAAD) A ground-based, air transportable interceptor system that will provide wide area 3 S8 t) t3 \5 d, i# @' hdefense capability by intercepting longer-range missiles at higher altitudes and at & S- O0 j" x9 h! d8 ygreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. 9 T! M& V2 X5 x% PTheater Missile . w3 k' j, h& ~7 @% [(TM) A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. ) O, x0 M( c. ?3 R! M0 CTheater Missile % g z7 a- O- [) s% m1 |Defense (TMD) 0 }( E$ u4 X* d) {: L8 ROBSOLETE. The strategies and tactics employed to defend a geographical area 4 x7 [- N8 X3 {( `7 q; houtside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. 2 E# v8 d# _6 QTheater Missile ! P b* S4 U7 N2 f3 O7 w4 HDefense Ground- * L. f, z) W2 g) x' W7 \; `8 R/ yBased Radar 9 G2 p: ]+ J I: n! t* Y(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 3 q& K/ C; j- L# _6 p4 bTHAAD Radar. 0 a9 l8 y2 S/ F: x% ?9 b1 M! I/ ]Theater Missile 2 a9 i. M+ F4 t V* g. o* l! tDefense Initiative 8 D. v/ p# a Y' q( N8 Z(TMDI) 2 U8 y# @# {1 u; U1 c& _$ IAn 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 ! J6 y! B( y4 O7 _2 ^8 a: t# g(Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. , Z4 {5 u/ C. e. CThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. 0 V4 w' {9 y4 L- \Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management & l8 H4 C: T. w- }Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal $ a9 h5 N: S2 E( M( e' aRadiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the % m* U& ^, g$ i4 E8 S. G% Bfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high & k: T" @9 Z. K5 ?% Mtemperature; it also is referred to as the primary thermal radiation. It is the * Z2 l" c) L. Y) G) r( G8 xabsorption of this radiation by the ambient medium, accompanied by an increase # _* i+ W, V# T: K6 z' e6 m- h y; gin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting - C8 ]$ q. y/ oat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 5 K8 [/ H" Q2 |/ f0 |exosphere and most or all of the ionosphere. Threat Characterization : [ H0 L9 W& j6 _& j" A- P% \An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 4 F$ _! w' n% E, A. G(Threat Tube) ! ~, c5 O8 P7 a7 n' k( VA tube containing all the objects originating from launch sites and aimed at , V- q4 Y& R' jtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management : O. Z' J" S! \9 ecomputation. - x0 t3 Q1 a! N8 @% @Threat Scenario A hypothetical example of the employment of threat systems against ballistic 3 R% a8 _% s' c+ ^) Y$ a4 dmissile defenses for the purpose of analysis and evaluation of those defensive & L, k% y- W7 t* } fsystems and architectures. % V9 A& u8 ]' G, P; sThreshold Performance capability or characteristic level in terms of a minimum acceptable ! [0 X- T3 ^4 e" W7 l7 H& ?; y. ivalue (threshold) required to satisfy the mission need and a performance 2 o6 |& b3 Z8 ]; n% A( G* |3 jobjective. Threshold 0 t- q# a4 W- x1 i3 e, J0 ~ `, \Defense 2 K8 A9 h: I8 s" S+ A7 |A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the / o8 Y$ m. j7 i% c- Woffense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to 8 O/ Q* V: }5 U8 Y4 V' Ochange the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. / `1 g) L- q& P E9 lTIARA Tactical Intelligence and Related Activities. ) m9 K' Z4 f( LTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. + T% g; o' {& l(3) Theater Intelligence Broadcast System. 9 A4 `. f6 D& U* z# g7 UTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 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). 0 G& ~' g6 _$ NTiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. - p, Q0 u; b# M. t$ E2 H1 XTIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. 4 o! Y, V* ^, ^& dTIM Technical Interchange Meeting. ! |$ i. p# u/ u0 h1 i8 N% IMDA GLOSSARY, VER. 4.0 T ( ^* s. R* I: r* J7 _6 [8 e300 8 @0 e- c* c% }2 K9 X0 H& R4 {Time-Phased Force and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of ' \' p( o0 c3 w" ?* gdebarkation or ocean area. 5 n! [2 d" l& STime of Flight . c2 }8 G' i& U1 T(Max) The maximum time for a booster or vehicle to perform its function from time of ! a" N% t b1 W/ v7 Q/ hlaunch. ) l* O N. U& Q5 B1 \/ M2 k7 oTime on Station The time the sensor is in its operating position. Time Sensitive Targets Those target requiring immediate response because they pose (or will soon # ]) s1 n5 }/ M+ O% T/ kpose) a clear and present danger to friendly forces or are highly lucrative, % I, y {1 k2 \7 \5 _8 M& wfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. ( N: j4 B8 l3 N, k0 U+ ZTIMS Training Integration Management System (USAF term). + K+ r2 @2 I1 D: k( N" LTIN Theater Intelligence Networks. TIP TOPAZ International Program. : D- d5 \" h9 i( {( i7 |TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar + R! g( p4 P& TTerminal (GBRT).) 9 f9 x2 M, R7 T# T- TTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. , n3 Y1 i" a& M6 E# rTitan USICBM. a, I/ K. F% KTIU TIBS/Tactical Interface Unit. % N, c) g/ N2 i: R* uTIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. ( U2 i* f5 {" d3 k$ \TLAM Theater land Attack Missile. % x5 ^( | e/ `5 Z# R7 kTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. * x+ ~ C: [1 t8 X/ RTLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army q" z$ L: t1 X; |term). 6 l g% @9 D4 j/ ]$ a- QTMCC Test Monitor and Control Center. ; t9 d1 d# a+ L, i) X' d0 nTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 # O& p* |3 d m9 nTMD C 0 W; V; W; v2 i/ j( O3 , t9 o Q" ]6 ~7 W/ U% v9 |+ ~I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). , U) K' {2 K: r* x t' }TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. 9 [2 R0 y2 d- W8 `TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 6 H l' @+ {' d( ]# N. K) [" Q |TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 6 U$ J5 i) q( O# W6 _! jTMPCU Tomahawk Theater Mission Planning Center Upgrade. 2 `7 z/ P) d9 ]4 f9 M( j2 o9 ZTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 6 h! o2 w4 P6 {TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. 7 N( ~ n' j, Z4 x0 E4 fTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. ) A0 P5 i! u9 I* P5 A/ STOAM Tactical Air Operations Module. ' L+ H" w6 _6 |1 \; {TOC Tactical Operations Center. - n0 s+ y. X% m# U, d# h2 v* BTOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. + M4 W* a8 z3 i$ q, x9 H8 @: nTolerance The ability of a system to provide continuity of operation under various abnormal conditions. . J/ k' I3 f) k9 T$ p6 z* HTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. ( e- S7 z4 e; A1 D, S. sTOMP Task Order Management Plan. ' s; T9 ?2 v5 G4 X" zTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. * z$ U. u* N1 }TOOL Target of Opportunity Launch. 6 C3 X) g8 Z2 k' ]* c/ `TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a 3 Y1 e' v2 P+ o) J/ q d/ U& Vhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down % Y" J5 ^9 Z. I2 s; d3 iDesign # u! E. N8 y7 T. V, nThe process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the ! V: E; ]' l e5 a4 Qdesired level of detail is achieved. Top-Down 1 t$ [6 ` ?: X: P# f/ [Testing " U% o6 w& a8 p' R: \# y) Q6 V; wThe process of checking out hierarchically organized programs, progressively, * I# R$ L* Q$ _ t! }. Ffrom 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. o8 G7 |+ U/ R9 n9 P5 X/ tTOR Terms of Reference. - }# R1 s0 R$ I. o, vTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target % ?. `9 B9 O* @8 Y9 l$ fTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given $ P% N4 B9 t8 C/ A, g5 a1 b; F( h$ K8 gfiscal year. ( R, p! _; c. S/ f- A+ ^1 k. W2 aTotal Quality Management , f* e) A! I, A8 d8 S(TQM) - A: t: H# o" T F- nA management philosophy committed to a focus on continuous improvement to # E/ r1 d; _& L- {/ @* ?6 eproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System $ ?/ j3 m3 g' W9 }. I9 NTOVS TRIOS Operational Vertical Sounder. " I+ e7 }" I1 Q# q8 w& RToxicity 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. r6 H" C! w, H8 V* X7 m/ rTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). , w$ l$ i& K7 A1 i; XTPDR Total Processing Data Rate (TelComm/Computer term). 8 D) G0 S2 ^& I6 _MDA GLOSSARY, VER. 4.0 T . g; M* n. J+ w8 m5 }5 _1 L303 TPEC THAAD Performance Evaluation Center. / _$ g" q# p Z% P+ {7 k- vTPEM Technology Program Element Manager (SDIO/MDA term). ! F" `- j7 T- sTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. ) q/ w0 t2 F, M/ @& ITPFDL Time-Phased Force Deployment List. + Q. [5 N o' j" \! {: o0 ITPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. ' p8 e# Z; W% f# {1 _TPS Thermal Protection System. TPT Theater Planning Tool. % z% @; _* ? V) t& ^2 x5 p: BTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. ) }9 Q: M$ F K7 HTraceability (1) The characteristic of software systems or designs or architectures or , [( b+ f! r/ ?& Z l. edomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. - h v, @9 z9 r$ o$ X- Y. n(2) The degree to which a relationship can be established between two or 8 Y/ G0 o* ~% O: xmore products having a predecessor-successor or master-subordinate 5 p9 \$ J/ j6 F& srelationship 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. ( k& n; W9 Q+ [) ~) W6 }(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 : R/ U1 ]3 h7 _- ~7 D! _instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the ' [* t7 B8 E( @$ j# q3 Zearth. 0 n5 R+ I3 l; ~1 x, pTrack Assessment 5 t) d7 O) W9 rThe Track Assessment looks for anomalies in an object’s track data. An anomaly " ]+ {: R0 D, Bin the track may indicate a hit. Track, Birth to & e, ^. Z- U; T5 F. D& [+ y& aDeath Z4 c' n$ f2 a$ @2 JThe 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 5 _3 T4 G& B4 b% Ydata. ?; a/ \) W6 P+ c4 vTrack 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 / T1 y5 e( L0 U& d* @, N5 ]or place (e.g., reentry). $ L5 P/ b4 j; J) ~MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS 7 j% H, W7 K( Fmeasurements with irradiances with confidence of association; or some subset of the above. - B5 C8 g6 @! G8 sTrack File-Track ! N- @; K4 M+ g5 }) U, K, S, P) iHistory 4 p' U- R# R. ~8 x6 `) d3 g6 wA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. 2 z: u; U4 i$ P' fTrack Formation The process of determining the track or tracks of detected objects. It is usually a - B+ b8 V+ `2 O* Nthree-step process of data association, track initialization, and track improvement by filtering. J- ^& `/ a$ _/ K, Y, b- M# MTracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and 1 |) h1 B5 ^# v& m, dPointing Once 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 are frequently integrated operations. Tracking Range (Max) . U2 D0 b$ |' a9 b0 q& w3 F8 c4 EThe maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector " a* x- T9 A0 j( w' @of an object. The process typically requires observation from a number of frames. Track Production # t* q; }6 L# e$ W/ ]& S/ iArea % }% Z% d; }% `5 S% G- j* b# }An area in which tracks are produced by one radar station. ( v1 R/ k0 T" y: KTrack Symbology Symbols used to display tracks on a data console or other display device. 2 O" x# U! C/ o6 H- i$ ?" mTrack Telling The process of communicating air surveillance and tactical data information + R: E9 L1 U( Y0 O4 @4 ]4 cbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; 6 t, r! P, {5 @6 Q2 m- [- J( alateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. . p- M4 m0 K w' w7 N" s8 n7 ~TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability 2 I) c9 w; O. T4 EMaximum * ` }) M/ c/ _3 pThe maximum number of objects per unit time which the sensor system can maintain track files. : N2 y; `8 p# C6 `% i; i- WTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. Trajectory Histories Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. # T7 D4 U+ \) ]2 o4 \( a; LMDA GLOSSARY, VER. 4.0 T , c+ T) g q% \) J' G/ `6 W) l305 # p& r' I) G/ X% ~7 m4 JTRANSCOM [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 4 |& D" y3 V C9 x5 j0 QProduction " T# G$ S+ o: m, U) iA risk reduction process during which the program shifts (passes) from 8 x) P, N3 d3 i" a7 p9 Qdevelopment to production. It is not an exact point, but is described as a 9 k7 i. c- e( w! K9 w2 Dprocess consisting of disciplined engineering and logistics management to 1 z1 y; z+ Z$ D2 i+ Z1 p& f2 aensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security / y( i. i+ u( y0 \% X' m E1 N(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative % b& q, |( D% R1 k! I7 Wspeed of the fluid is subsonic in some places and supersonic in others. This is 8 R) T S9 p; I) n6 I9 dencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security 5 K6 e8 _: h0 `3 V; amechanisms to be circumvented. Traveling Wave ! a: a( {* x! A1 q6 MTube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in % X, U& Q5 u, Wsynchronism with it, in such a way that there is a net transfer of energy from the * p2 U3 M; `+ i! Wstream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. 1 p5 ~8 [+ h: d6 e(2) A method of surveying in which lengths and directions of lines between 7 Z5 {. f, H( {. @1 ^6 q5 Opoints on the earth are obtained by or from field measurements, and used in determining positions of the points. 7 k& f% ]. d1 r" E' \Traverse Level That vertical displacement above low-level air defense systems, expressed both / w, r* x/ c* p8 a5 U4 } fas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. . K% e+ Y' {% H3 [% `; r! wTRD Technical Requirements Document. TRE Tactical Receive Equipment. : U, }6 b& D6 L6 I2 q9 uTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. # r. v5 [$ a: m" C/ v% Y. QTRESIM Tactical Receive Equipment Simulator. - l( i- \$ Z6 ^% Q" Q9 wMDA GLOSSARY, VER. 4.0 T 306 9 A9 P/ G7 T2 R, X( X$ wTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. ) x$ E7 \! a- _2 Z DTRIDENT Class of US ballistic missile submarines (USN term). 3 i1 Y- y0 Q9 f8 c8 vTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. : ~) K; s# Y# F# p u, H- nTRN (1) Task Requirements Notice. (2) Test Requirements Notification. 5 x T0 D% X- I/ }8 u9 E# }+ iTrojan Horse A computer program with an apparently or actually useful function that contains ; v0 `2 i6 P* |; |* H% ~* Dadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 9 T# b9 ]! ]8 t, q# D/ B7 S6 yperformance. TROPO Tropospheric Scatter. / \/ z) \9 I, I1 B5 Z. a6 m8 `Tropopause 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 " f" T: l) I% I7 L. r9 jtropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing : k( M) k; F, g3 [altitude, clouds form, convection is active, and mixing is continuous and more or + z8 w( d8 C) X* d; L$ Aless complete. Tropospheric ! W. v( l+ L K9 l) LScatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. $ b \6 ^, N! N# w! ~! \* FTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. / j2 m# a$ C, n2 ?TRR Test Readiness Review. Trusted % w9 ]" P& L6 {Computer # g# {- W/ |# G3 v* g1 fSystem/Software ) m }9 U1 T# T; ?- H' w& BA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 5 i4 v. z; b3 Q9 L8 N8 u 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 of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. 7 h4 ]3 h# Z# H4 U' \ ]TS (1) Terminal Service. (2) Top Secret. ' P1 N+ x4 K7 dMDA GLOSSARY, VER. 4.0 T . B2 s8 Z& ]7 M; A8 D307 V4 Y/ r, ]* @" PTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. / g) ~" x5 Q: i* ?8 D' UTSCM Tomahawk Strike Coordination Module (USN term). , ]/ u" q7 A% ITSD Tactical Surveillance Demonstration. . \% W# {5 P2 j( K) Z) N; i3 U# MTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. , F) A: P0 n% N5 w( MTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. 2 a0 ?( [+ K1 p/ |1 a5 B0 u. ETSMA Theater of Strategic Military Action. 1 m9 P& \$ V2 z9 v# u) aTSP Target Support Plan. TSPI Time, Space, Position Information. $ I7 Q& F3 C9 }) M, W5 \: Z4 RTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. / t$ b. v M# I0 X' WTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). . D; U- J% }- J! J6 D: M0 LTTA Total Time Accounting. 0 b9 C* O8 m( K/ i7 I- ~* S: x, dTTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP : q& w+ s Z, z! e) m1 x# Hprogram, which funds the development and demonstration of technologies, 6 w; j9 \/ L. S. e1 T8 ?" {which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). 5 P0 ^0 j. c( `4 t* D3 q- DTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. 5 L1 ^9 R( G$ KTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 7 l( l# p7 F+ XTTV Technology Test Vehicle. ( D. S$ r9 j( g8 V& MTTY Teletype. / T4 t! \ M" ]' QTUG TRACE User Group. / D( f2 N* }' `4 }: \* wTV Thrust Vectoring (rocker engineering term). & z% \8 u m; V% U7 E HTVC Thrust Vector Control. TVE Technology Validation Experiment. ' n$ h* i6 G, Q: u5 H2 w: iTVM Track-via-Missile. TVV Technology Validation Experiment. y9 l4 q1 T1 V( k7 r9 P2 OTW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. $ }! `. h4 c+ p) @% ?7 ]TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). - {4 }3 c0 a6 Y3 xTWT Traveling Wave Tube. : V! Z% l7 W: Q7 P3 qTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ( v, R5 v% L8 f# w9 X, @TY Then Year (PPBS term). 9 C- U: {- Q) [7 V4 TTY$M Then Year Dollars Millions. Type A - System Specification ' {) y7 j& v. G4 bStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. % i+ `3 z8 P: AType B - Development Specification : e( U. |. s4 t5 c' c. ?States all necessary requirements in terms of performance. Essential physical ( J# P, b4 b' T4 S3 W; G9 e7 Jconstraints are included. Type B specifications state requirements for the - E+ o5 s+ u/ c. Adevelopment of items other than systems. They specify all of the required item $ z$ T* `* h) { r2 w3 d" ]functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product 1 p9 [) G# i9 A+ F" F" o5 XSpecification # } {9 E2 u1 C# FProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of % Y9 G) p) t, nprimarily 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. 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 : H0 \5 ^9 G) ~% yobjects (i.e., SS-18, SS-24). $ F4 V, Q B' [% L `% nMDA GLOSSARY, VER. 4.0 U 309 U Uranium. * K0 m, q! [# G2 w" n" BU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. % k& ~6 [, c( X, M- e4 kU.S. (US) United States. % C. h( C' X5 Q: A- e. c: WU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). ) W$ b+ B/ g% }- D) ^UAE United Arab Emirates. ( O t, z5 d/ j! f6 ]* |1 |UAV Unmanned Aerial Vehicle. 8 Z& p) S9 Q/ e+ b5 PUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. 0 c% r6 Y5 d: g* `, QUD/ASD United Defense/Armaments Systems Division. % c9 \6 U( o6 _$ @# H# iUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It 0 g8 h1 p% n% y0 ^$ ?consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 9 M X c4 d: C& b2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the * n2 w7 h6 ?$ {Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. & V1 k- ^7 c2 b( M' h3 HUEME Unified Electro-Magnetic Effects. 8 Y4 B0 _ @$ I3 n, S: `UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. , G9 F& }3 m' [1 p' j% rUF6 Uranium hexafluoride. % x+ V$ ?9 V* ]9 M- [! p- X" b+ xMDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. & I Y2 k7 ^, `! |UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. 9 _6 a/ K, C) [3 y; ]UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. : w6 {' z" ^) p( p1 w: z9 X, a8 AUIC Unit Identification Code. 4 D) O% ^4 m9 f( Q" b: jUIN User Interaction Node. # e: V+ f. z9 c9 ZUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). + @4 n+ W6 s# l- ]" o3 rULS Unit Level Switch. * Q- H/ B; t% p$ G" ^7 Z, GULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). . o! e- ~) d( H1 n4 U6 @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. ! k9 f4 ]+ j8 e0 \. W9 VUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional * R1 n/ C9 z3 i( }- B/ G" T) _Warfare 2 G6 d: N" P% S7 V# E& bA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. 4 H: w9 P+ m. N. j6 u5 q5 jUnified Action Armed Forces A publication setting forth the principles, doctrines, and functions governing the 6 j/ w+ z4 U0 q0 _) F; P4 mactivities and performance of the Armed Forces of the United States when two or 7 `8 p$ u! ?5 F% l: ]4 ?- Fmore Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and 5 o7 E1 ^) e" @' icomposed of significant assigned components of two or more Services, and 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. MDA GLOSSARY, VER. 4.0 U # c. Y' w$ j- ?" K. w" ?2 M" j8 u311 UNISYS UNISYS Corporation. ; ^5 U3 G+ K" L: p1 O, x5 OUnited States Army Space Command * f+ B- I5 L& S(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States 9 \# {" Y. K5 |+ X- w2 `Space Command ! h" E% K$ c% M7 e(USSPACECOM) The unified command responsible for planning and conducting ballistic missile , f3 `5 o8 H6 K( }defense. Located in Colorado Springs, CO. & ]1 i) \; p7 s/ @, oUnited States & I% R% P" @! z5 i6 i# MStrategic Command 8 c5 Y& h1 Y2 q: }7 X; e L& `(USSTRATCOM) 5 s2 ]1 Z5 p, X' G3 i# a& uThe 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. United States Transportation Command $ W# }3 ?+ S( N1 \4 n(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea 5 n- V2 X. g: o$ S* C v* ktransportation 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 % @0 a- `" h. V- b, Y9 M! eterminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. ! A6 b; u: `+ CUnresolved # k; E3 `4 V% iObjects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 0 [3 N% U0 i: E; ZUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). / g/ _, M6 u- F+ }6 [URIP University Research Initiative Support Program. 0 B* h2 C, F9 T* G$ kURL Uniform Resource Locator (internet protocol term). - N7 c, P) F: L* }URT Upgraded RTD. ! x/ g1 Q2 \9 w/ z; N6 Z3 W, oUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. * [% v4 K! J" T! a1 ]4 OUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. - ^4 y5 P% t, k- JMDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. 0 B6 s5 f" K5 r- z5 K- j0 RUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. + n' G6 g t# w( x4 C- FUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. . n, O1 |9 r; k1 |9 m( }USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. * I( Y8 ]% H# ]8 i- M( ZUSAKA U.S. Army Kwajalein Atoll. . N! ?4 V5 V8 Y# g: Y- I4 ] w. nUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. + j) i5 R- q5 @! kUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. " Y: j' g1 t$ o1 [7 ~/ }6 oUSAOTEC U.S. Army Operational Test and Evaluation Command. 4 `8 V5 {& `0 t! M$ zUSARCENT 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. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. : f' E+ k# s. l- I7 W+ _/ D4 r+ z2 uUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL }1 J' |1 R; KUSATECOM U.S. Army Test and Evaluation Command. . p; {2 s3 c/ }; S. [) ]USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. n5 @% N4 f, oMDA GLOSSARY, VER. 4.0 U 313 ) k& W A8 B# E' F- H2 _USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. % ^. j* K$ A0 c' P1 g5 c, ?USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. 9 a4 t% Z" o" d( M5 N- MUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). ) W/ C1 m: p8 w0 o/ wUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). : s# L/ U8 J( d( ^( aUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. : l7 j$ l% Y' Y+ t4 L7 ^USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. 7 h! Q, A) F3 w, p0 ^" IUSDAO U.S. Defense Attaché Office. 5 l, {+ [4 k q. ? M& Z VUSDELMC U.S. Delegation to the NATO Military Committee. T5 }4 K* T. k! T$ ^; ~USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. . F0 L. l% u/ sUser Operational Evaluation 7 s6 S+ }$ m# e$ j. Q! W- N% Q, pSystem (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and - g+ \9 j; `* v/ @& atraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the normal acquisition cycle. * M( F% ^( B7 }5 @USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. ; K5 \% z) H- M3 ?( {+ @. {5 \* W5 BUSFK/CFC CSFK Combined Forces Command. & a' B# i n" [4 J! c( s/ a" k3 OUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U # B* u6 V8 {$ T e h$ ]" L9 [314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT , \7 V, O1 z$ U3 f2 `& ^# L+ ~U.S. Marine Component, U.S. Central Command. , `: a; d, Y9 z4 R. t0 Q6 J* ]USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. % k0 P D7 k) y+ ?" wUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. * v2 w0 _' u: K, I( O aUSMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. ) \; _4 ~( \8 Q5 C0 M% uUSNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. & l S' V" l3 q" A8 V3 `& |USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. " G& N5 O& e. P6 OUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. , q, s; V$ v! {USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. : }' M! p5 N/ Z; D8 N6 s; M' K2 ~USSTRATCOM See United States Strategic Command. 4 L- V2 B6 ^4 }5 h& rUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. , n; N0 D6 k3 ?% x" y% UMDA GLOSSARY, VER. 4.0 U + A" d, Q% e( N5 T8 I [315 5 Q2 ~( q" e$ c0 Q: nUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 3 m2 e" ?5 g+ l( i& gUV Electro- ! |& C2 ~6 ~0 D1 M+ D r. _% v5 rOptics 7 E, V& u& r* Q% a9 h5 sTechnologies/techniques employed by optical sensors in the wavelength ' w1 Z6 Q% _+ @spectrum shorter than visible (e.g., less than 4,000 A). 3 {5 ~, U( S, x! o2 t N( }UVPI Ultraviolet Plume Instrument. ( V- V) y' s6 }1 FUW Unconventional Warfare. . s+ J3 f$ l' U% f6 z2 EMDA GLOSSARY, VER. 4.0 V 316 8 g$ U& \; T! X) Y6 X- f8 WV Volt. V&H Vulnerability and Hardening. 2 z8 a! q: q2 F2 lV&V Verification and Validation. (See Verification, Validation, and IV&V.) ! [6 d& w- B1 B1 |- B1 v' pV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. : _0 n! _* S" y2 U9 sValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, * ^- M0 [$ \9 ^ C! jtactical situation, system design, tactics, and threat. # J1 W: A, s9 ~1 @VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. i' ^# E& H0 n* SVariability The manner in which the probability of damage to a specific target decreases * U8 N1 @3 n7 m9 L) g; Nwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and + m$ {; A: \( t: D1 Euncertainty of target response to the effects considered. " }/ d' O0 M1 p. y( }/ e% v' QVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. - U* A) @/ t. R9 T* y. l/ q3 z* CVCS Voice Communications System. ' ?; C8 J- j9 \) R2 e0 m% H7 F# b2 _7 AVDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. + t/ u" \* B" ]VE Value Engineering. 2 I( T. ~2 ] y5 RVECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering . J! K9 Z% q& K' q! Qrepresentations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 5 k; K* l# K3 u$ Hof the development process to determine whether it satisfies specified 8 s0 a# j$ N; ?8 x/ arequirements. ( L7 a1 n6 Q, l' m3 O1 bVESA Video Electronics Standards Association. 0 ]$ ^' }9 E/ M0 EVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). ( i$ X, A/ w3 b5 x6 v) m$ BVHF Very High Frequency. # i4 n% _/ i( I# wVHSIC Very High Speed Integrated Circuit. 5 ^8 |1 z9 P% |# JMDA GLOSSARY, VER. 4.0 V 317 J) D$ Y. w9 z5 ]# d; K5 L D* o {VIDS Vehicle Integrated Defense Software (USA term). ; `5 Z/ L* V3 t6 T- }( N+ p, AVIGILANTE 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 9 l# m: B* k( Y* O' q: Hcircuitry and commercial components. Project also demonstrates VIRGIL, a . g+ y$ ]. {6 D& V" @$ l( D2 wgimbaled airborne sensor with visible, experimental UV and quantum-well IR # R7 U5 s" B+ B$ H* ~ d2 Scameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. 8 r& u) ?( N# o& t; X& K/ UVIM Vibration Isolation Module. 9 g& d+ y. V7 V) ?# |VINSON Encrypted Ultra High Frequency Communications System. 1 q: @3 l7 Q0 C3 r5 B5 EVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range % d5 Q U% B- `8 R; ?(or Visibility) & d, f3 u. L! t0 u6 ]$ ^2 XThe horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the % u7 m7 M& s# Q w5 bclarity 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 # {. ~" l) g4 a& m( @+ X6 V* jkilometers). Visible Electro- / _( |+ ?) W( K: u: ~ {5 T! wOptics # p6 u, X' {/ R. R! d5 ^Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. 2 Q. a( e M2 ~/ ?VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. 5 u3 J. |+ Z' y. EVLSIC VLSI Circuits. ) P; \: T: b$ u! w/ V* zVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. ; \+ n7 |( R3 K2 d2 _5 C) WVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. ) J1 I% J5 }' I( X8 K3 l+ cVUE Visible Light/Ultraviolet Experiment. 7 t, w" Q; P* ZMDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 4 p; t. N9 @/ K3 _319 5 ^! i6 j: G% zW/ With. / u& s4 m6 G, ]* N7 b9 m( lw/o Without. W/TD Warning/Threat Detection. ) b8 T& f! k4 S0 r, R( H4 NWAA Wide Aperture Array. 4 L% h. t! e) c EWALEX Warfare Analysis Laboratory Exercise. + G. D* H% u% N4 ^! [: T0 kWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area ) ~4 b9 f+ | d6 F) U2 pMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). 3 z" W9 B0 T. J8 T% g7 RWAP Wide Azimuth Probe. 0 S8 L5 a7 _* n [War Game A simulation, by whatever means, of a military operation involving two or more , T ^# o$ g9 z4 q) Uopposing forces, using rules, data, and procedures designed to depict an actual ( q1 T" U0 m3 v* I ror assumed real life situation. . n6 U& Z5 P7 g, {Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, - V$ l' I6 h# o* r! vvalidation and accreditation, and support CinC/Allied wargames and assessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. 2 [# D( N6 F0 h8 V" K9 d) \Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. - }+ _+ v6 ^" Z. y9 i* xWarhead Section A completely assembled warhead including appropriate skin sections and related 5 C v5 K4 ~4 j' Q- ycomponents. WARM Wartime Reserve Modes. : l( s6 O+ W0 b6 ]. |' U) kWarning of Attack A warning to national policymakers that an adversary is not only preparing its ( L4 C; Q h s5 _" f5 B/ Xarmed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). ' M, f; ]8 d' w! r! z! U p% pWARSIM 2000 Warfighter Simulation 2000 (US Army term). 5 |2 G8 T1 r) sWartime Reserve . |& Y5 v# N* [+ TModes (WARM) 6 e. o% w: ^8 y' `, {$ t# ]: `. VCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will / c6 E$ j" F7 Wcontribute to military effectiveness if unknown to or misunderstood by opposing ; U8 ` I! B) H$ g6 ycommanders before they are used, but (2) could be exploited or neutralized if 3 L: F3 Q7 d9 B4 B; oknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to ( ^5 A& Z& Y5 B% N4 u8 C9 O/ ~such use. ' w+ v1 A% H+ \* S9 @/ zWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 4 Y) a. D+ O6 }! _+ f/ x. `+ _$ W320 8 |% H/ n- N' r7 j8 i" L7 N4 UWASHDC Washington, District of Columbia. 2 k% ~7 T- P6 r0 ~3 \4 P5 _7 T1 JWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. : W2 [0 I4 r- M3 \9 N% E. aWatch Condition ) F4 S- v6 p- [9 O Z(WATCHCON) . J6 u- L6 P2 h2 T4 I, l$ U4 QSeries of readiness conditions used by the intelligence community to alert staffs / L$ I# n: D, ]( m! ]2 m5 vto watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. & |; E4 g9 Z# Q; }9 a, VWavelength 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. $ ?" \1 s% O5 _9 {WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. 7 h- F4 E9 e. y; h2 L4 s" V8 ?WCG Workstation Computer Graphics (Computer term). # s5 V K3 T Q. JWCP (1) Weapon Control Processor. (2) Weapon Control Platform. ' Z* y8 J4 `+ c+ AWCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be F, Q0 F8 v0 g+ {' elaunched.