航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 1 {8 a! H/ o( S298 Theater Missile Defense Council (TMDC) A consultative body for considering TMD family of systems planning and " C+ j$ E" R; `6 v9 Wprogramming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents " I) G$ }5 F# q& u8 }5 y; Dand Program Managers. Theater High Altitude Area Defense System ' S0 g) Q* ~, l8 O+ d0 T0 |! e5 s(THAAD) A ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at . e/ D. c+ h6 z6 @" p( K( kgreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. + o, T- C8 l4 H0 s) W% x9 a" lTheater Missile 4 x7 a, ~. L; o7 k2 ~5 I(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 f, |# V/ s6 x' h4 Wof attacking targets in a theater. " T* T% |$ b: ^+ e' t( ZTheater Missile : h4 m* {; Q x6 u- eDefense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, " U: e6 S# k1 X8 H! G0 k) L4 Gintermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- Based Radar 3 b: c8 E! W( _2 x( @: @6 Y' W9 o(TMD-GBR) ! n7 d, U, d) v5 Q% J, Y% tA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile 0 v, c( e! f, t. `Defense Initiative 9 z' [' c/ a4 M) K(TMDI) / J! Y0 v, C8 v; T/ t4 o0 X) [. cAn initiative under which all DoD theater and tactical missile defense activities are , Z- W9 W. K. Icarried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally 2 n& j( \5 ^* g6 y6 m4 H" B7 Iexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or ; r' j/ T* b7 m6 u9 s4 l/ Breflected from the objects, which are imaged. ; L1 c* y: }0 Y5 \' V+ KThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. 1 Z1 \9 [: Y" P5 O# TThermal ' @# A0 \5 m& A5 L, W; DManagement + d+ ~; J* _! I' f/ [Technologies/techniques associated with the control and management of 0 a$ L4 b% Z" f' Mthermal energy, its generation, dissipation, and recovery. g7 F: |1 s0 {& I2 u4 pThermal & u2 z6 P$ U& `5 W/ @; RRadiation ! `8 @' c! M9 LElectromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 0 \6 ~! d( g+ T4 s( b& b# Ofireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the f$ T/ `8 c' Tabsorption of this radiation by the ambient medium, accompanied by an increase $ h* n- h. J& K! H! oin temperature, which results in the formation of the fireball (or other heated ) L6 \% E; r& V& s/ Gregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 2 q: T- w6 a) F5 B r) Y# n299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; . a4 w0 _' Q2 A9 ^it is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. $ t x9 l8 H }$ jThreat Characterization 0 d2 h: W; e# `: I% Q- |6 lAn assessment of the nature, magnitude and intent of an attack in progress. I5 W1 v J8 j% {9 e, S0 zThreat Corridor (Threat Tube) / [' t, v0 a" a2 PA tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. % Y: T- V5 Q$ p) r) U3 R8 K1 RThreat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. ( ~. s$ F; j4 ~; o% HThreshold ( x8 l. L3 g7 QDefense 7 e0 F' O( H* X9 J7 Y+ o( ?A defense strategy that concedes that the target can be destroyed at a price 8 q! m6 d$ n9 f/ v; R# zthat is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. 1 i/ U+ D( ~2 R% v, r: ]Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. 6 S: t( F7 @) v( i& k! LThrusted Replicas (TREPS) ! t0 |% Y0 }" R! {" jConical decoys equipped with a miniature rocket device. Generally used to ' m* y7 B# Q4 {' S8 d+ kchange the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. ) C( p* i; {- R; {' S8 l$ t(2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. / Q9 L; A2 f) L4 P! d1 U2 G7 |9 K9 CTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. 1 b h' H) W% t, Q5 {7 hTIE (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. TIES Technology Integration Equipment System. : v' N' P) r4 D2 o# ^TIIAP Telecommunications and Information Infrastructure Assistance Program. . R2 ~) N$ J( X/ Z# D& NTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. , Z2 a: {6 P4 q! a5 BMDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and Deployment List 4 |, ^* Y6 Q, u* GAppendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of launch. Time on Station The time the sensor is in its operating position. : m( s' j ]( @Time Sensitive 5 l( T$ X4 q! g. }" uTargets Those target requiring immediate response because they pose (or will soon ' h$ v( {+ y! C. Ypose) a clear and present danger to friendly forces or are highly lucrative, 1 W5 @+ _! y8 W3 E5 Rfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. . D0 |" C% n! t" T aTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar % g' N3 |1 z7 p, V; YTerminal (GBRT).) 3 ~& R/ k7 B1 ~. q: VTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. $ f6 Q5 U @) n6 p8 CTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. 3 X9 g" V* K% h$ a: E; QTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. " V, ~5 D; v) y( P8 G4 lTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 9 Y! w; |7 n& [! d301 TMD C 7 N% ]5 D. Z4 Q+ R( B+ Y3 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). TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. % ?& e% B9 J: m! a$ L: |TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). . T8 I) v3 t- LTMDI See Theater Missile Defense Initiative. : G% l) a' s9 x m l' S- @3 ]4 @( fTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 5 I+ t3 j3 `7 T) c, p) [- g: w; [TMPCU Tomahawk Theater Mission Planning Center Upgrade. ; q$ Y" K' F- g4 f! T, aTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. % @# e6 `; M6 t0 E% m# B) a# w( PTNT Trinitrotoluene. TNW Theater Nuclear Weapon. # `7 B* G# e" dTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. % Y# x$ T* J0 D eTOAM Tactical Air Operations Module. $ i. A/ ]9 L$ y XTOC Tactical Operations Center. 5 }2 x- g1 c" ^ A- [1 K9 {; eTOE Table of Organization and Equipment. 1 N1 N, D( p/ b4 E. ~TOF Time of Flight. TOI Track of Interest. + w' q. y% _6 F2 }# c& `TOIA Task Order Impact Analysis. % A2 Z4 J# W$ q" r) jTolerance The ability of a system to provide continuity of operation under various abnormal ; q; n3 H# V1 I/ U8 @conditions. 5 D9 F8 {3 m+ t( u+ m& NTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. ' Y) n# Y8 T6 ^4 v6 CMDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. 6 {0 W* v# ?4 W+ H+ kTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. 4 S% W4 I( w6 o4 [ n& y9 K4 iTOOL Target of Opportunity Launch. * @9 z Q; a0 a% }4 t; u( z/ e. zTOP Task Order Plan. " P9 @* z6 k6 k# s1 b6 ZTop-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. u+ a! b' [4 o* w4 zTop-Down 9 v& f. A _" f- S7 R# VDesign 7 j& K+ J" F3 s" v9 tThe process of designing a system by identifying its major components, " ^3 b5 [, v* Y9 d1 M/ N5 a3 E1 Zdecomposing them into their lower level components, and iterating until the 6 t' F1 h* V! Y5 w- a& q' g* Pdesired level of detail is achieved. Top-Down Testing ) `- E- k: I2 T1 Y8 \! tThe process of checking out hierarchically organized programs, progressively, * S @" }" R: ~# i+ `) [9 h4 C; @from 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. # w0 Z! ~/ t5 r0 ITOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) ' o9 h% m( _' k/ RA DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality Management ( {% P6 u+ w8 b7 t(TQM) A management philosophy committed to a focus on continuous improvement to - Q9 |4 l. R' Fproduct and services with the involvement of the entire workforce. 7 [1 i. r- C1 }; m1 jTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or % Z, H- [6 {6 Q( Q6 K2 Npossessed by a chemical substance not of biological origin. - ]* T( |1 m' @8 OTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. $ }) Q- U, K# m) ]- S3 X- i+ fTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. , q; d0 S1 D& f! N; ?$ _7 X6 a, vTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. * E9 f6 s- I2 Q' U0 W1 C* ITPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. ! e# ^' U9 P: @6 c. A7 [$ G hTPFDDL Time-Phased Force Deployment Data List. ( n# _8 W0 w$ x7 Z, wTPFDL Time-Phased Force Deployment List. . {- X; k1 Q& r+ E2 UTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office # k9 y1 J6 K4 ^# `) k. \7 |TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target 6 s# L* J0 ] W/ ^) OPerformance Report. TPS Thermal Protection System. TPT Theater Planning Tool. ) ]" A \2 e, C6 M% v4 ]TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path : E1 W, A, o/ I* B x, ~(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate d0 c6 v6 p# o; B6 s+ e8 k# O$ Qrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. * B) [ ~: Y- w% O5 H' Y% {% ](2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. + q7 T+ G* j" a. g(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. , C# y- D# [* Q. o" W2 ~5 v. r(5) The actual path of an aircraft above, or a ship on, the surface of the earth. : W9 d: ?# W4 gTrack Assessment & W& `7 s/ }* p. z8 TThe Track Assessment looks for anomalies in an object’s track data. An anomaly 4 t7 M: ~2 V/ u5 @( o8 Xin the track may indicate a hit. 6 q! ?) E( d8 ^( Q1 KTrack, Birth to 6 S w, r. z/ ^4 P. ~0 P( aDeath The maintenance of an associated track through all phases of flight (i.e., boost to reentry). + K3 b* f6 r( w" ^& A; O2 GTrack 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. - c3 ^. ^) S) ^+ A1 ]$ nIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 2 y ~% R- b8 s6 {* ~! e304 & f1 |; x" r. hTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS P: O/ \2 {* l0 `( Y" U0 Fmeasurements with irradiances with confidence of association; or some subset of 3 q2 d: r, z. w/ b( O, xthe above. Track File-Track History 7 Q: L4 ]& [ l* C* F& j% aA set of individual track reports on a particular object, which taken together 2 O2 Y5 s5 i6 a& Bproduce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and ( @5 i$ p @7 H$ C' Eany other features of interest. Tracking and 3 _# z2 s- v$ h: c" G vPointing 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 3 Q# H* P: r l u5 j6 T tare frequently integrated operations. Tracking Range (Max) ! n" j( _) X% Q- ]The maximum line of sight distance at which a sensor can maintain track of an object. % Q% i7 O7 n+ w/ F; pTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector ! Z4 E: H* |8 ^) T. U! jof an object. The process typically requires observation from a number of frames. Track Production * O* q6 k, h" ]Area ' V; E0 t: G2 b+ C4 \* _# f$ P# CAn 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. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; , o2 K) u6 W! ]; g! y5 alateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. # w( }: h3 |# x+ |$ z" X4 Z; ^( qTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum 6 V Q: t# d& G* JThe maximum number of objects per unit time which the sensor system can maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high & d8 Q+ ~1 z4 r: U( sendoatmosphere. 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. # g/ d7 U0 {3 k; v S& eTrajectory Histories $ j; ^1 C' s: }7 M9 ETrajectory information on targets recorded over a period of time. " F3 r R( g8 P) ~- M. RTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 6 s# S8 ?' q l* ]305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. # C5 B1 g' L$ g6 k: w) y6 L6 UTRANSEC Transmission Security. / _; W% l* d+ l# I3 u% q$ BTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. * ~4 {# l4 k. p0 f1 ]5 PTransition to Production A risk reduction process during which the program shifts (passes) from & H0 Y9 p6 q* Gdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) / k4 M2 a; `* w& A M0 iTransmission + y0 N" e% A, }: nSecurity (TRANSEC) ' M% ~! [5 J7 HThat component of security, which results from all measures, designed to protect ! g2 ^) G+ Y; y0 _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 6 n6 B, [6 z) R% D4 nspeed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. + k; j4 ?, m) m" C$ nTRAP Tactical Receiver and Related Applications. ' B: W6 o) l% a% k8 ^7 ~Trap Door A hidden software or hardware mechanism that permits system security + Y2 S4 w) V' Hmechanisms to be circumvented. Traveling Wave Tube (TWT) ; Y+ K" I2 ?% v C$ o2 C& VAn electronic tube in which a stream of electrons interact continuously or 7 W+ u$ f1 J4 D1 d3 _ z7 Krepeatedly with a guided electromagnetic wave moving substantially in " f2 G0 j3 N! H' isynchronism 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 & `5 F/ a& e+ Athe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. (2) A method of surveying in which lengths and directions of lines between 3 Z0 Z$ x5 P3 w2 A' _points on the earth are obtained by or from field measurements, and % Q3 d' i H6 ~: {* w p( {used in determining positions of the points. 7 d. Q1 V8 F* Y# z) lTraverse 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. TRE Tactical Receive Equipment. & {) g' p# k; A" KTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. * A/ e( E1 O3 i. ^TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. 4 W N8 X( e1 T8 ?% WTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 9 e' _; v/ V+ t) i- v+ ZTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). ) Y9 Y5 |$ ? iTRIDENT I (C-4) US SLBM (USN term). % g2 m( k4 ~9 VTRIDENT II (D-5) US SLBM (USN term). 7 D. c6 z/ i* ?" BTRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP 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 : I# ~2 o: t: o; G' x: l; y t# Q) ^! Vadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission , b# C# Y/ Y) \6 Nperformance. $ a X- c: j/ M6 P1 R( hTROPO Tropospheric Scatter. : q- c/ @6 T( [1 Z( y1 L# xTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the ( {& W6 d: g9 g% e5 y" n7 qatmosphere, the troposphere. The tropopause normally occurs at an altitude of ( @, J! u# v+ q8 V" V: B. t: ?. Q, B0 Fabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (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 altitude, clouds form, convection is active, and mixing is continuous and more or G0 t% P7 I& y9 D6 ^1 V, O9 zless complete. - l+ Q+ J" u Z- UTropospheric ( s+ d6 z6 `8 xScatter 9 O2 p" T8 {; r O( H2 FThe propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. 4 b" L. d3 A% m- yTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. ' i I" ?# p3 q; n5 m! I(3) Technology Readiness Program (pre-acquisition program status). % u, m& S) Y+ w% c(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 8 R$ g' {- Y7 x% eTrusted + D1 H+ W: T; c6 @3 ]5 B' z# UComputer 9 y7 e5 H3 Z( B7 }. YSystem/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 6 i+ y: J* D: k- _2 HTrusted Path A mechanism by which a person at a terminal can communicate directly with the ; I& e4 H' I. K$ eTrusted Computing Base. This mechanism can only be activated by the person $ w3 ~& _) [( Y' @, i; rof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. 1 x6 U( [4 W) J" J) Q: Y3 X+ nTS (1) Terminal Service. (2) Top Secret. % B/ f/ U$ \9 b, M4 FMDA GLOSSARY, VER. 4.0 T 9 X5 P( |; e' ~, X% Y- B" s307 # |7 H# [$ j G+ v, h2 cTSA Technology Security Analysis. + N+ ^; a' l @, W, N# i" ?TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). 3 b: s6 R8 g0 y; @; ~' jTSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. 3 C$ W3 y7 N* T0 U% f$ S) L5 oTSEU Technology Seeker Evaluation Unit. x# R1 D2 c3 @4 B8 {1 a5 M0 Y' \TsIAM Moscow’s Central Institute of Aviation Motors. - l5 T, J5 U E9 l; q" X/ \TSM TRADOC System Manager. ; n7 t2 h$ O3 C v; B* JTSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. : L7 m. N c( ?0 kTSR Target System Requirements.

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TSRD Target System Requirements Document. : u n* g* N8 jTSS Terminal Surveillance Sensor. , h n! S; L% y& W' zTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. 2 P0 X& D4 P$ P' A( Z/ Q, g* P' jTT Total Time. ! A c; K* J+ S0 P" a) S9 }8 i; iTT&C Telemetry, Tracking and Command. 1 Y$ [' S! d/ w G% ?TT&E Technical Test and Evaluation (Army). ' c* d R' g: [TTA Total Time Accounting. 7 G; \: T6 ]2 V+ y8 F7 `TTBM Terminal Tier Battle Manager. ' K* a! `8 G7 K; P/ a& t. @3 LTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP : p; t; c- V8 B2 ]$ Y2 Mprogram, which funds the development and demonstration of technologies, 0 l% T1 \" F; hwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). % M9 [* U+ d& n }6 PTTL Transistor-to-Transistor Logic. 7 c7 Y5 l2 G& \5 e! l! G9 v9 P5 @TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. / w" K% U4 G/ eMDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. ( y y" H0 |4 z: D* ~5 e$ p- t% pTTY Teletype. ) ^. q. F1 B% @ S/ iTUG TRACE User Group. 9 [5 K$ x+ g! pTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. : a$ O3 F# ?8 v2 F R7 BTVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. $ L- c+ P- ^8 D7 M" s \3 A% gTW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. , T2 u+ v; q- c; F; F' G6 }( NTWG Technical Working Group. * v- D5 D% u I8 y8 S+ ?8 E hTWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. - j, B( S( b7 C `TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 3 h7 G4 A! x3 \$ M& iTY Then Year (PPBS term). & F" X$ s1 j' g3 _& RTY$M Then Year Dollars Millions. 5 x0 ]4 h3 p. C5 E! ^' i% M2 NType A - System Specification ; ]5 L3 H8 F" k8 E0 BStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical - ^: k& h1 c+ l1 Q4 d8 [3 Cconstraints are included. Type A specifications state the technical and mission , c) l) i3 y, n [% x8 rrequirements of the system as an entity. ! Q- V6 |* R K+ O# yType B - 8 e4 T$ V# Z& y H- P3 Y3 l8 QDevelopment Specification 5 E U4 g8 l8 ]; UStates all necessary requirements in terms of performance. Essential physical + o( R4 r7 a$ Y4 Y0 oconstraints are included. Type B specifications state requirements for the 0 f: [, w9 N) G5 |( w& odevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. * S v0 S1 f8 N: m1 ]; TType C - Product - a( k% W" u- x+ C3 D' ~3 P' jSpecification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of 8 m7 y) X! F0 Aprimarily function (performance) requirements or fabrication (detailed design) # e' S* H3 D% k7 I' {* \requirements. Type C specifications intended to be used for the procurement of items including computer programs. Typhoon Class of Soviet ballistic missile submarines. q5 ?% _6 h q0 g9 w4 t2 N& W. lTyping The act of recognizing objects by measuring a set of observables, computing a ) [% {4 q$ e/ kset of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). . r$ R9 b- [! z1 G2 x3 OMDA GLOSSARY, VER. 4.0 U 8 y S! l* {' }* C& p! ^9 v, ^309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). . L% I& h* O# V) l; @+ q1 \U.K (UK) United Kingdom. U.S. (US) United States. 4 t. B E- t- G4 k3 `U.S. West U.S. West Incorporated. ; U5 }! Q3 b/ K+ l. x& R" ]U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). UAE United Arab Emirates. 4 g" W# u0 E% R3 p" R$ A0 F7 |1 SUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating ' Z# [! b) s8 Wand coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), ( v. H. A% K5 o' F2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. ; Q: }: c; d5 k1 w/ b! t" |0 qUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. 0 b7 W0 l" ~4 j6 y4 OUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. . B$ ? Q" v7 k- gUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. 5 }2 Q; T% ~4 V. c5 XUGS Unattended Ground Sensors. UGT Under Ground Test. / A+ a, }# o) W s) O; l& s% EUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. + \1 M1 C. `% S& }% aUKEADTB UK Extended Air Defense Test Bed. / |: W+ {5 a( f# ^, B* {/ Z- |UKTB United Kingdom Test Bed. 0 v4 o# q$ J( a3 E \9 NULCS Unit Level Circuit Switch (SINCGARS term). 7 f5 V, S7 i7 @4 m. H! o1 uULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). - c+ C- H0 m, P. R7 DUltraviolet (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. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion ! W- e& Z; X, [ Band escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. : K: D4 E+ p& A; k9 xUnified Action * _% k+ c! m( D, V# i/ b1 [/ k$ QArmed Forces 8 K$ Q& q; r$ z2 IA publication setting forth the principles, doctrines, and functions governing the . w3 _) f/ h" E: eactivities and performance of the Armed Forces of the United States when two or / _$ C9 M7 k+ c$ m2 ]: @more Services or elements thereof are acting together. # o% D+ V' Z+ O7 R5 h2 `6 TUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 3 s5 ?) D0 |5 G* uwhich 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 311 UNISYS UNISYS Corporation. ( L1 Z* T& L/ e3 xUnited States 9 @+ X: f6 z. R# mArmy Space Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. ) M) v/ Y D" dUnited States 9 |4 n# h% b/ K4 S. f4 ]Space Command (USSPACECOM) ( d" c2 m. ^. `4 h# pThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. + [/ S: V+ K9 {$ j( sUnited States & V8 E4 C' R7 D. `Strategic Command (USSTRATCOM) 0 d! X& C, b% w. t% H0 I6 d; a1 T* wThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 0 H! a# y; }, d4 e# a: O9 l7 Nmissile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command (USTRANSCOM) % q+ Z- p5 L% z& G1 DThe 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 ' l$ B5 h, [ N8 H7 E; aterminal services, and commercial air, land, and sea transportation, including as " U+ }( S8 [, ^- Z; D) P6 R8 j7 oneeded 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. 9 u& D$ D0 D2 R# b V, U3 SUnresolved " |1 m: K7 G% Z6 E, e& YObjects Objects so closely spaced with respect to the sensor focal plane as to be 3 r' K0 T2 g( _9 I2 j9 W: L4 | Iindistinguishable from a single object. UNSC United Nations Security Council. ^; C: Z0 S, c: i( P- {UnSecEnergy Under Secretary of Energy. * Z3 d" e5 c% f4 LUOC Usable on Code (ILS term). 7 I1 Y4 F8 L6 ~, o# W4 T% rUOES See User Operational Evaluation System. 5 G$ R6 e% ^1 G- }UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. % L$ K0 p5 V: B7 d7 ~URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. 8 g! u4 i( W) k5 b8 j6 A, wUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U , V( k4 [/ w! D' h2 B5 T% h" n& V312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. , U8 Z# l4 E+ Z& R6 kUSAF United States Air Force. # j) ~1 _1 a* a$ j; }& @' a3 _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. + o0 M" R* l; Q* xUSAF/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. 0 w$ y; X( T- ]: k. rUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. : u8 i- }+ Q0 V" e4 ^2 i, ^USAKA U.S. Army Kwajalein Atoll. " z5 Z1 Q. P9 L# ^USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. * Q! [- ^3 @ v; p4 v, tUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. # d6 Y- ?# n# c! ?, K! E& r5 LUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. 9 J( m( S7 n" c5 M5 `) R: h+ x5 aUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. ]8 _% [8 A P5 S4 bUSASDC U.S. Army Strategic Defense Command (<1Oct 92). % l$ L1 ^7 m! d$ pUSASSDC 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. 6 u% c- r9 H- m5 s* T% s/ ]USB Upgraded SBD. ! G8 o9 B/ _+ V, _$ S/ P' yUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. 0 W' y. n5 F( N' K& n. DMDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. 6 }* e. r+ s& c. V+ i( w }' n: eUSCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. / r& P& r1 Z+ @. ?* MUSCINCEUR U.S. Commander in Chief, Europe. 3 c( [7 P9 [1 O6 i0 yUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. 6 |' x5 \2 \5 Z& [& zUSCINCPAC Commander-in-Chief, U.S. Pacific Command. 6 x# Z& b( x o; HUSCINCSPACE Commander-in-Chief, U.S. Space Command. 7 n6 v+ z9 f) `USCINCTRANS Commander in Chief, U.S. Transportation Command. & l6 m5 V6 [2 m3 D& g5 G! e V1 U4 r, gUSCS U.S. Customs Services. ) e( k) \* I/ ~9 KUSD Under Secretary of Defense. 5 I0 L, E; O7 J! j: D7 D) _USD(A&T) Undersecretary of Defense (Acquisition and Technology). 3 w" Y5 d8 S" a3 N1 BUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. + t `# z- W' iUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. " K3 X; k% C" ^5 NUSDELMC U.S. Delegation to the NATO Military Committee. ; H2 X. R! D8 m1 R+ O. A- P) v2 Y8 rUSDR&E Under Secretary of Defense for Research and Engineering. ! s+ \" D# q% S Z- G; WUser 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 ; J; a* M. @! V3 woperate it successfully and easily. User Operational ! ?; ?: E/ T7 \% w3 oEvaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ! [5 O5 \; H+ E# m, {% v8 atraining for a system proceeding through the normal acquisition process; and (2) ! }" S3 P( p$ @5 u8 e" ~contingency defense capability should the need arise prior to completion of the normal acquisition cycle. 2 c& B0 Q+ @; u7 IUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. " u" o, {( p2 F& W6 F7 kUSFJ U.S. Forces Japan. ( M; u/ {, o4 b) v) l7 j6 f- r1 P0 `USFK U.S. Forces Korea. $ m& q( W( P. ~% _% ZUSFK/CFC CSFK Combined Forces Command. " r) L! a; }0 L) D0 IUSG U.S. Government. $ Y2 B2 |+ S# s! K3 o9 O& b2 MUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U & Y0 O% [+ Y. J314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT ) {) f0 x ], I5 a- Y D- \0 u) PU.S. Marine Component, U.S. Central Command. 4 i1 ^+ X0 E2 d$ w7 ^5 R" ]. K9 oUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. + S8 n( }+ S* w% n! j5 eUSMC United States Marine Corps. " e) Q: ^" C/ W$ z) K! n7 D; RUSMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. # }: F/ [! u% q) j+ |+ gUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. ! q7 [+ p' G9 C8 h" s! ?2 RUSNAVEUR U.S. Naval Forces, U.S. European Command. # Y3 [5 d: S7 b9 j n" qUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. % l0 {, D* ?. M# \: c4 tUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. r% O7 w* J3 d4 OUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). ! E2 n: s/ _1 E. Z0 v7 hUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. / E' U3 o7 G/ B. Z/ oUSSTRATCOM See United States Strategic Command. 4 z# j( H$ m- l% t4 N- O% M- XUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. , |- X6 L1 D2 k: }, l) l8 IUT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U $ i4 q& h& J; c" ?5 j& y3 g) U2 x0 n315 , |/ B& }3 j9 n! }- m/ BUTM Universal Transverse Mercator. 8 ~4 s( I4 i# O- z/ Q7 o+ lUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. # _; X" v5 a% i+ @9 k* p% YUV Electro- . N$ D8 m; K vOptics 9 ~, i2 u0 _; I9 Z; P' jTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. ( ~/ l- d+ p4 Y# a8 d. ^UW Unconventional Warfare. " ~: A9 U; b6 l8 q- Q4 T! z c: rMDA GLOSSARY, VER. 4.0 V 316 - a, \4 d z! dV Volt. V&H Vulnerability and Hardening. % [" G. C0 J+ O$ U# QV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. - R% T4 @: D2 o' KVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. & W7 E! T9 H0 H2 BVAR Visitor Access Request. / O, r" U9 ]# z6 k0 @Variability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical + C0 t# j, Y- N1 i+ rfactor introduced to average the effects of orientation, minor shielding, and 3 n- S' @7 b- f, luncertainty of target response to the effects considered. 9 \' |$ Q: b1 e! i1 vVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. 6 D. b6 }) r! `& U- @ rVCRM Verification Cross Reference Matrix. 3 m& h/ K) B( B9 bVCS Voice Communications System. VDC Volts Direct Current. ) ]) r8 c9 h! NVDD Version Description Document. VDU Visual Display Unit. " {- H" c( Q% y! V0 \& fVE Value Engineering. 2 O. |: i# C4 l* \1 f) BVECP Value Engineering Change Proposal. E) d$ L$ _: K9 R! w% ~Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. % P0 [5 S; l& ?0 C- \(2) The process of evaluating a system or component during or at the end 8 N& A, [7 n. o9 Gof the development process to determine whether it satisfies specified 9 t, V1 a1 U6 ]) i8 Z$ q, [requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 7 U2 [4 I' `6 r2 {% ~) N/ @8 o- q317 8 x: x/ {4 E1 R- {VIDS Vehicle Integrated Defense Software (USA term). 8 ]$ i+ g& F5 N1 M& v- B8 d1 E3 }VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 , }% ^: Y( _' r& D" k. POperation Per Second (OPS), using a mixture of experimental three-dimensional : d! n" [: K5 [circuitry and commercial components. Project also demonstrates VIRGIL, a 0 `! A& _' I' f4 xgimbaled airborne sensor with visible, experimental UV and quantum-well IR ! X7 t5 e; P, l9 u, h7 n6 [) ycameras 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. 4 z0 C% n* i/ o2 M- fVIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) The 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 clarity of the atmosphere ranging from 170 miles (280 kilometers) for an & ?. R6 w& S6 R+ x/ k" H2 eexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- Optics + o6 \/ Y) N- P& h" wTechnologies/techniques employed by optical sensors in the visible portion of 9 Y' ^! ^/ |7 d9 Uthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. & V: s* `- X3 ]( l& jVLSI Very Large Scale Integration. & h& _6 i# A0 |0 d n$ H5 {VLSIC VLSI Circuits. _9 @% L3 l8 _: e9 UVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. 8 x: d3 v, t0 uVMF Variable Message Format (Telecomm term). 0 o0 b/ @) t2 K) z# i( j/ Q1 g$ {0 LVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. 6 K1 ~1 W/ o6 g; `- Q I5 ~VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. / x9 B5 d$ j. ^/ l& x2 C8 g% Z8 \VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V " O, |# Q2 F' M& [$ B& w0 m318 3 {5 C3 O; }8 a0 Z& XVulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. 4 ~& b/ K, x. s3 HVVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W ( n' O. J4 X4 H# [# @! q4 ?319 W/ With. w/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. 7 O9 a/ A3 I- r6 i! Y& s. AWALEX Warfare Analysis Laboratory Exercise. 3 z8 s5 H9 D% T& d1 IWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. ; K9 r2 C8 B7 ~* oWAN Wide Area Network (Telecomm/Computer term). 3 V n1 k$ @2 J" I" E' v& AWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more 4 ~) K+ \6 z5 L. C5 b( @opposing forces, using rules, data, and procedures designed to depict an actual 2 [$ H C4 d& x) q7 T: dor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the ) k8 w; q$ H7 Y0 v EJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and & V4 y- T- N, w: W! s8 hassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. # O1 X* \( |. ~3 IWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, & q1 v% m7 y6 Nairframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM 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. Warning 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). ]( B3 r+ {) C3 W: N- V: H, @Wartime Reserve Modes (WARM) 6 l2 B& w. b( x* U; C1 Z- A$ H8 Z" A& HCharacteristics and operating procedures of sensor, communications, navigation ( ?) W5 Q' z; U! p: aaids, threat recognition, weapons, and countermeasures systems that (1) will * s) ~# Y; L6 H. a* G+ l; X1 h) Ocontribute 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. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W : Q5 B$ Y5 t4 W# o0 u W320 9 x G1 z& k3 b& kWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. % p- u8 a& I& \5 JWatch Condition (WATCHCON) 7 J g# O# P! X* rSeries of readiness conditions used by the intelligence community to alert staffs 4 ]! R. s [ T- E I' C' pto watchfulness without raising DEFCON. WATS Wide Area Telephone System. , R( @! c5 G$ `8 S7 c& Y9 B+ U% t( DWAVE Wideband Angular Vibration Experiment. 7 H! \- b+ \6 {# U0 e- e4 G6 FWavelength 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. 9 h* c2 i/ Z. J- u2 R! cWB Wideband. U: N% r; ^& A0 {4 {+ D( r7 p0 PWBM Weapons Battle Manager(s). * T4 J, F5 K, V8 `. C& S7 ?$ ]7 _WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. & U+ D( F. S, ~$ R9 A, r, ]WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.