航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T . j) u7 z% e ^& R) `% E298 + t) ?" Z( H i( H" X# f" ^* DTheater Missile Defense Council (TMDC) 0 ] ?+ x4 i$ {% N; @3 bA consultative body for considering TMD family of systems planning and % M) L o0 u" ]; L7 B! rprogramming issues; chaired by an Assistant to the MDA Deputy for + o0 O# `+ m; Y0 i7 m2 A yAcquisition/TMD, membership includes MDA TMD Directors, representatives of ; s1 N/ @2 j% J. y5 Veach applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. ' N" V+ `$ P" R- v! oTheater High Altitude Area & e, Q$ E. X. a+ m, fDefense System (THAAD) # u% j5 H% U5 P# O5 x& c- ?. C# DA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at 8 W- p/ v1 Y+ W- H$ Xgreater distances. Will provide an overlay or upper tier to point defenses such as . a' M# B& \. Y$ S0 i' T% D y3 kPATRIOT. $ A8 o @" \% zTheater Missile (TM) 1 @ j/ V9 b& k) z/ pA 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 6 O" }/ x7 I1 V; q$ H3 C8 V2 e3 gof attacking targets in a theater. Theater Missile Defense (TMD) 2 `- @' S# C1 G: E' \" y. WOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, / d" P) J8 ^. S1 V$ aintermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- + d& m; `6 @6 E* v+ DBased Radar (TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and + v, t0 A7 j# cdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile % ^( U1 W( o2 J5 b1 _6 CDefense Initiative ( T/ J# T7 O, C9 a) r(TMDI) An initiative under which all DoD theater and tactical missile defense activities are ? r0 v: l/ m7 c7 ]carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 2 R. H) k7 M0 P( ^1 Q3 }& ~/ othermal energy received per unit area at a specified distance is generally # A; `2 n0 ~6 e( N0 g) m4 Oexpressed 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. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. + g% n9 R" k' \2 M$ _1 u9 w6 Z1 uThermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of / `% x8 q; Z% |% n, ~# Sultraviolet, visible, and infrared radiations. " C# q; E# n0 E& V+ y2 sThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 9 n( L" Q8 ~* M- C6 aemitted by the nuclear weapon residue by virtue of its extremely high . f9 D# }; Q1 v* \, c* a- x6 Dtemperature; it also is referred to as the primary thermal radiation. It is the % m/ S. Q% K0 @absorption of this radiation by the ambient medium, accompanied by an increase 3 O i5 O% e/ `3 K0 K( Q7 hin 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 9 K8 A8 I: S! K9 l3 m OThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; + h: \- @. f/ l2 P% rit 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. 4 [6 z0 P1 k. Y; x& o+ X3 v! DThreat % N5 T& |5 j" o1 oCharacterization 5 [% ^2 s, } [8 w' `( [6 pAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at I! v' k" H0 v8 D; ]0 jtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. " ^- x4 T0 @# @, M- T8 ]. RThreat Scenario A hypothetical example of the employment of threat systems against ballistic $ ^9 I5 v G: ]) a; b1 h$ _$ amissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. / X( ]/ k c, U' l! YThreshold Performance capability or characteristic level in terms of a minimum acceptable 8 P( h+ [% t6 r9 u7 \value (threshold) required to satisfy the mission need and a performance ! i% z* j, Y' c9 hobjective. , V8 B0 {$ `4 v& |4 p M( x. lThreshold 9 k2 x; ?6 D* Q" F: x1 JDefense A defense strategy that concedes that the target can be destroyed at a price - \# n5 r+ G- v1 dthat is not prohibitive, but the presence of the defense is thought to require the 1 Z7 \. \' w- eoffense 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) ( w4 d: {2 o; S: A3 @# |Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry 3 b! B) h2 N. t* Gphase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. $ D' C+ h8 L1 e; n(2) Tactical Information Broadcast System. ( s) o6 j. u* R8 O(3) Theater Intelligence Broadcast System. 8 h: I$ d7 @! ?; oTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 9 V/ U3 F& x2 r9 j! X0 PTIDP 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 - S$ J$ W0 s# ^9 b3 g' r/ c3 b(e.g., boost phase). 1 G7 @6 Q; p" X. c+ wTiered Defenses The use of defensive systems at different phases of the missile trajectory. # r$ B2 W5 _# e( H8 qTIES Technology Integration Equipment System. - ^" t+ y% \2 C6 {3 O' u2 @TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T # S( v) I( f* d3 [5 D- B2 ]: n6 k2 u300 ( R5 c L& o4 K b+ ^ ETime-Phased Y9 d D4 i; ^9 s5 }$ aForce and z9 K3 q3 R9 a! z4 TDeployment 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 debarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of 2 @& ^- k C' Glaunch. , u. @/ a/ `, P5 [" rTime on Station The time the sensor is in its operating position. 3 Z) F$ T& d1 }7 YTime Sensitive Targets Those target requiring immediate response because they pose (or will soon 1 P4 b7 r8 c' W0 k% Lpose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. % Y+ ~4 h- g5 Q: yTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. . i$ W0 C9 I2 }) R) }TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 1 x, R c! A& m' v o6 U/ p- E( k5 ]Terminal (GBRT).) ! F# Z. ~2 p9 f+ L# ]& W( sTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. * j- z: N$ M' |9 L: o) W8 F9 xTitan USICBM. 5 G0 _8 L7 A6 A6 v) VTIU TIBS/Tactical Interface Unit. # p5 ~% H& o* U( hTIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. ' J. k1 @/ W9 y- `TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army . t* O9 c- F+ S! G( D/ f7 ~0 zterm). TMCC Test Monitor and Control Center. & a. ^+ Q: U% J0 HTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 ( A, Q1 ~2 z4 D5 z0 b1 f8 H0 QTMD C 3 5 H i, j% I% V" F$ E6 {3 H) dI Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. ! Q9 r$ L& g! ~4 T' vTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). + u7 {3 {$ T6 iTMD 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. " k/ Z' l, ]; j! z/ k+ KTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). ) x0 d! n5 R9 o1 e* {TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. ' p6 v3 _* y; j1 o# YTMMM TOMAHAWK Multi-Mission Missile. % R8 O0 ^, I+ xTMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. 4 i6 [$ \2 T0 v, p6 D* e' yTNT Trinitrotoluene. 0 D9 w( E+ e* C8 X% g' Q! eTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. 2 A6 p+ c8 n$ {8 I; X( rTOA Total Obligation Authority. % x, ]' J1 i/ i2 NTOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. ' R' m( V, x3 ?5 [0 xTOI Track of Interest. 4 V- r* J9 S) e% e7 xTOIA Task Order Impact Analysis. $ {9 q2 I% N+ v# A) T! kTolerance The ability of a system to provide continuity of operation under various abnormal conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 5 p0 p+ A! v# E5 Q9 {" F302 TOMD Task Radar Management Details. # S8 U) S( W2 M3 `- XTOMP Task Order Management Plan. # E, K. g3 U% @TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down - E9 R X; [; p: P1 Y8 m# ODesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the 9 ^/ d5 f2 a7 `0 h# z; R8 J2 m% vdesired level of detail is achieved. 3 q! z5 m4 R) j+ w" dTop-Down Testing - @$ ^, c: i" I, `; F4 e; Z& Z) FThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. % u" D$ i' H/ k8 Y r/ I0 Y- y3 F* ZTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power : \- V( d& w; M7 S: `" G# w8 P6 jtechnology to U.S. BMD applications. TOR Terms of Reference. 6 s" m) I8 Z; `4 e1 E, C+ I4 G# cTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target 9 a4 m7 \3 T9 o9 _Total Obligation Authority (TOA) / G- J, z# `5 K# M, BA DoD financial term, which expresses the value of the direct program for a given , P% L' @5 W2 P" M$ B; Q+ nfiscal year. ; Q6 Q/ e) ~9 n; i1 o/ bTotal Quality 2 C0 P+ @! J) C& u4 AManagement 0 l6 l2 t) l6 f+ w2 M(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 3 K+ ^) n, n& A8 qTOTS Target Oriented Tracking System , u9 w: [+ T) Z3 N; dTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or % J+ }5 q. S( ]' M- q0 I2 t" Zpossessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. " ]) p" a+ }. W; j/ J6 x5 D& G# qTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. 6 g3 G6 ^& Q! k5 K. wTPD Mobile Tactical Radar (US). + u, d% T1 d( s- ?+ [0 I9 ETPDR Total Processing Data Rate (TelComm/Computer term). # ^* X( @( `! L" v2 `9 _& BMDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). $ M6 u% @; M7 O* _9 Q9 T, F9 TTPFDD Time-Phased Force Deployment Data. / j4 b9 H( v& g; wTPFDDL Time-Phased Force Deployment Data List. 5 M- M) x0 H6 k! E6 ^TPFDL Time-Phased Force Deployment List. + ?) o0 G8 s! o8 ?1 m4 u* ]TPM Technical Performance Measurement. 6 j {0 d9 {: o9 ]) v0 b3 GTPMT Total Preventative Maintenance Time (ILS term). # o% p, e, H6 U" g9 r+ LTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. 3 `1 Q8 n; I4 C$ l; I" DTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) 4 W( x; W3 |& RTQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path ! U5 h: k% l1 ]- n+ t$ f' |+ U( m3 |8 v(upward) and allocation/flowdown path (downward) of requirements and , R6 U( D( n8 S6 I; }: lconstraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. # X" O, C2 h) c$ j! E; B(2) To display or record the successive positions of a moving object. % t$ v: o1 U$ g! M" d(3) To lock onto a point of radiation and obtain guidance from. 5 E! d1 Y8 b6 o' V+ o( A! U5 P% f( w(4) To keep a gun properly aimed, or to point continuously a target locating 8 j8 h. R# e W$ c c! X" ainstrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the ( ]+ G& u6 {; I# o/ p9 w2 Jearth. Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to ' o: C, B+ \- }Death 7 S/ j3 f9 L, m6 U% l6 F) WThe maintenance of an associated track through all phases of flight (i.e., boost & _# J3 x7 ~$ W7 cto reentry). Track Correlation The combining of track information for identification purposes, using all available data. Track Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time $ f. x. V+ x" H0 u# @) Xor place (e.g., reentry). + U3 ^( B7 ^% OMDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS # _9 H! @/ _% m$ _# Q5 d! bmeasurements with irradiances with confidence of association; or some subset of 9 k2 N" {' O6 _# ?. q) G# dthe above. . I7 E; f5 K% R( n Y6 v6 [' lTrack File-Track History A set of individual track reports on a particular object, which taken together / L/ ^( I% `, f- K7 j: Tproduce 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 - e% S8 I6 J2 R& \4 u- Q1 Tthree-step process of data association, track initialization, and track improvement ! _ E2 _2 L1 o' _by filtering. : r+ y4 y9 x S' x: m4 }* W6 zTracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and 6 Z" S& a K# n3 _ L. [8 jPointing Once a target is detected, it must be followed or “tracked”. When the target is . [7 C$ r6 ^7 ?) Isuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing 9 v* x7 g' n3 i6 tare frequently integrated operations. % Q5 ?. E6 A5 l( q, MTracking Range % a% m6 K9 G% M( Y9 F(Max) The 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 9 W# j( e" x3 I4 P( f9 {. T9 g4 jof an object. The process typically requires observation from a number of " Z: ^( `/ B+ X9 X; |' t/ z Xframes. Track Production Area An area in which tracks are produced by one radar station. ) C0 p2 ]' ]- `& }# u% lTrack 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. 3 T4 y: G2 _- U( ^: h4 k4 Z& S7 o! q: K9 OTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. # f& D; t3 r, t8 t. NTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 8 ?7 K# ~$ v+ d) J7 G6 p0 QTraffic Capability Maximum The maximum number of objects per unit time which the sensor system can maintain track files. 3 g& k7 o) _( o7 c3 K; r1 w- oTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. % F K, i: Z4 ^! [, a5 z# H/ \- dTrain 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. , B0 }- D5 e! A2 N8 R; P1 GTrajectory 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. 6 D; g6 D( F7 p- J6 ^6 e4 fMDA GLOSSARY, VER. 4.0 T $ ]- l* E6 Y ? _6 p5 o! W0 l305 . [. f8 s# ?: g# H% eTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. % l- B" \& R- d( @6 GTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 7 e4 R+ P/ m* \/ p$ QTransition to ! n/ ?. p# w3 K. A/ R: DProduction 2 A: T, Q# Y, b4 s; q1 bA risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to " h4 W' c5 _, E5 }. Pensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security (TRANSEC) 8 i. o* V9 |& D9 TThat component of security, which results from all measures, designed to protect ( n4 ?( l; N, i b9 F B4 |communications transmissions from interception and traffic analysis. (See . K+ Y6 H8 j! U J" j; u" aCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative 4 `% u: V* S6 q3 p( m% Kspeed of the fluid is subsonic in some places and supersonic in others. This is $ q1 l9 S2 x* U# q, Yencountered when passing from subsonic to supersonic speeds and vice versa. 9 y1 [. u8 v* D+ N2 |# Q; m+ [Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. / l5 p+ `! V( E/ g3 C! @1 u' k$ `# TTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security i: _( k% P1 a; j! Umechanisms to be circumvented. , e0 z: H. t) Y+ U; _, v! O% iTraveling Wave 1 ]: j! u/ I7 K, T. s( VTube (TWT) An electronic tube in which a stream of electrons interact continuously or & e8 I" \/ Z4 }1 Z, trepeatedly with a guided electromagnetic wave moving substantially in 1 J3 F. a A, n+ A- W4 s: O( Zsynchronism 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 ' x$ T' \1 j9 G$ B1 O, G. othe microwave region. 1 Q! L, u! h" R0 a; oTraverse (1) To turn a weapon to the right or left on its mount. 4 J7 d: ]% P5 V(2) A method of surveying in which lengths and directions of lines between 5 a# G# C, s' Q+ Epoints on the earth are obtained by or from field measurements, and used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. 3 Z* y& \) a/ R0 hTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). 2 U7 X; j' P# R4 q* bTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. # B% w. b6 w/ l, c7 s5 yTREPS See Thrusted Replicas. 5 m1 J' _' D3 R ]TRESIM Tactical Receive Equipment Simulator. . e2 N8 j3 s6 K- Z$ pMDA GLOSSARY, VER. 4.0 T / d% h9 k/ q1 c0 D306 + ~6 S. H/ _: DTRG Threat Reference Guide. ! @: P& N: Z1 nTRI-TAC Tri-Service Tactical Digital Communications System. # E- k- u5 G& f0 pTRIDENT Class of US ballistic missile submarines (USN term). 1 h2 r. y6 J; {' ?TRIDENT I (C-4) US SLBM (USN term). , ?3 Y& D: ?( b' Q& D0 k' QTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. , v, p" W; q$ y& ~ n+ o* WTRMP 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 additional (hidden) functions that surreptitiously exploit the legitimate ; C) B" [, y9 C" s5 Cauthorizations of the invoking process to the detriment of security or mission 8 g) m9 Q, A. v- E& |: v: u$ Operformance. 9 ?1 U" e& q& {$ DTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the - s. G' N+ i6 o) q( z9 Datmosphere, 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 tropics. (See Stratosphere, Troposphere.) : z1 }. Q8 a' oTroposphere The region of the atmosphere, immediately above the earth's surface and up to 9 ~# S' _0 r' X" W( pthe tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or less complete. 9 I0 ?4 @* U9 W5 |. _Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. 9 A' |: A- i, K; v(3) Technology Readiness Program (pre-acquisition program status). * c+ y. k$ E# a7 y( v' b8 d+ m(4) Technical Requirements Package. ' y' y ~; I$ ?2 |0 \TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 0 `) h0 U( w7 i Q- W* p/ qTrusted ! M; a3 e; p$ B' `5 p3 `/ }" ~Computer System/Software 0 p/ w# B3 o! q4 DA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 0 k% L* J9 K1 h0 q3 VTrusted Path A mechanism by which a person at a terminal can communicate directly with the + N( N0 a# `6 z/ h! i' U' d3 vTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. 4 w5 u: |! }3 E8 t; YTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 0 H ^# e4 n# I" Q; h2 U- V5 l" q& OTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. ' d+ I* O% i. w9 c; N# RTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. 0 n n" ?( G9 z6 C+ WTSDE Tactical Surveillance Demonstration Enhancement. " P+ K+ ?/ g3 L& C" A% JTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. ) X) W- {- [+ w" R( ]. i0 ATSP Target Support Plan. ' \' k6 S0 |2 M$ p2 {" sTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. + m5 e( V8 H* ]; A/ |TT&E Technical Test and Evaluation (Army). ; k4 V$ z* G' M# q' QTTA Total Time Accounting. , Z7 R$ U+ X9 s" |$ @) ^TTBM Terminal Tier Battle Manager. v2 C4 n& V3 t9 MTTBT Threshold Test Ban Treaty. / `% s$ A6 x" zTTD&D Test Technology Development and Demonstration. A portion of the CTEIP ' s6 O6 z) k: u: e% V; [program, which funds the development and demonstration of technologies, * j5 {0 L8 h& m7 X* }7 M! l+ k' [which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. + C. @% d9 S! r: a; v4 k4 j0 |TTSARB Technology Transfer and Security Assistance Review Board. " T4 }- K8 V; Q) P; L+ pTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 ' w3 A/ E( f# J& QTTV Technology Test Vehicle. 5 e* i: ]: r% O- {TTY Teletype. TUG TRACE User Group. + U0 d b" ^: {( }TV Thrust Vectoring (rocker engineering term). 5 w v3 r6 H- E0 X5 a4 H$ P dTVC Thrust Vector Control. TVE Technology Validation Experiment. # e: a0 Z2 J5 lTVM Track-via-Missile. # S. z, t1 D. | O/ d6 C. p9 CTVV Technology Validation Experiment. , g7 R# V) _" kTW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. % }% v4 y: q' T" v7 d; c7 g DTWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). . ]6 o" H* k# X$ I8 _TWT Traveling Wave Tube. % U4 E) V( P3 R0 G4 U CTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). - z) [# h3 W$ S9 g* K C3 E! T" e6 pTY Then Year (PPBS term). ; `1 S f1 H' h1 pTY$M Then Year Dollars Millions. % ?, B. v% }+ F, s6 OType A - System Specification ! u8 h) O5 }+ b8 n- [3 k# xStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical & G8 @* k* X$ `$ q& ?constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. # }0 V8 _" X# m% [& nType B - ; B2 u6 v+ R! ?+ H8 sDevelopment Specification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product Specification ! e& j, O$ I( J2 Z, } YProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of * C/ B' g3 ?/ L4 xitems 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 objects (i.e., SS-18, SS-24). / O+ ?0 Q$ z5 J2 Q. GMDA GLOSSARY, VER. 4.0 U 7 k) \: f! P1 {0 z) Y( C6 ?- }309 + ]$ j9 }' V- L6 z" c6 EU Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. # [5 g4 J2 l/ ` Z6 f9 {1 Q& tU.S.S.R. Union of Soviet Socialist Republics. * ~+ w' \2 m" v7 @/ @2 g: K' LUA User Assessment (NMD BMC3 term). ( M+ @5 S) e- q$ F$ ]UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. - T, L1 N: f9 _UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. / N1 ^. Y: V- v0 A1 ?1 iUCC Uniform Commercial Code (US legal term). ( m& r- A# e! w; J. iUCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. H# G, J& Q; b3 {5 LUDMH 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 * j8 R% ]# I; b) z/ B) v- X& Cconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) * V" Y8 \9 t" f$ d2 v6 d2 yOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 6 b4 Q: l* m- B2 R, IOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. * z% h4 y' E# @. ]UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. # `" I$ C" G1 D3 J: W9 u7 q+ \0 aUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U ! k; b( G* a) R+ r% Q1 F% \! L310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 1 f0 h* j1 G# B& n. rUFP Unit Flyaway Price. O6 V! [& r8 d$ K, v8 g# kUGF Underground Facility. + L* _1 F2 V9 S, l/ r0 [' mUGS Unattended Ground Sensors. / b4 M w) I0 x9 NUGT Under Ground Test. + |% s" [; \6 g4 d; ]; S9 M+ q3 nUHF Ultra High Frequency. UIC Unit Identification Code. ; ^% c, R4 ~. v c, y( ~1 s# s! mUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. + Y! }+ Z4 s6 f2 E8 ]$ AUKEADTB UK Extended Air Defense Test Bed. 5 g8 N/ M% t' d- nUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ) U/ H5 E+ R1 `0 l6 LULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). , o5 q4 u4 D0 B6 aUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 0 D+ [, x' D! O' V(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. L& H& C+ p& `" B" R! e# NUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. R2 f- G1 T3 dUNC United Nations Command. $ \( P4 d" o1 PUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ! P, X0 o( I8 `/ y4 m: \/ [) r6 F, |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. # u0 g1 E8 p- Z( w; g0 BUnified Action Armed Forces 2 f5 Y5 n) O+ s6 S! @A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or & Z; [3 X- ~- Z" z6 I( `more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 1 T' r f& F$ 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. - J4 m$ G/ K' J1 P5 cMDA GLOSSARY, VER. 4.0 U 311 ! _6 q5 u7 ?, w$ KUNISYS UNISYS Corporation. United States 2 E7 _4 B$ x6 k3 H0 }# E8 B. `Army 9 r. x+ S% Q; {; x5 A) rSpace Command ! q% \1 }7 w: `* \3 H3 ^& e(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States * }; ~# f2 }) C& iSpace Command (USSPACECOM) U/ ^$ V8 C; c+ t8 ~( \The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. United States Strategic Command 6 _! d2 f4 Y( w4 D$ |(USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic ( m6 I& P" O4 I4 }missile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation ! ?( A' z' n$ |* P _3 I+ T: b0 ?3 M4 bCommand 2 G; ~% k- p& K(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea 5 p: O* w/ l6 Z3 a. x( c/ z# Gtransportation for the Department of Defense, both in time of peace and time of , n0 i% ^9 ]5 @4 |; C. Lwar. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as 6 J/ }, n9 J m+ ?needed to support the deployment, employment, and sustainment of U.S. forces 1 e% L. u( r3 t: kon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 5 Y3 \$ X, M* E* m* pUnresolved 1 _3 v+ j' E- O* \1 n6 EObjects ( n6 ?4 |+ A y0 [& I2 hObjects 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). UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. * X5 M) K% F$ c5 D/ h9 D2 q! \URL Uniform Resource Locator (internet protocol term). $ d, O+ [: m" G, @* {URT Upgraded RTD. 0 t' r# N8 P7 w' [US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. ( A9 |! u. n* U9 ]$ a4 X* IUSAAE U.S. Army Acquisition Executive. % b4 o" A4 g& t" DMDA GLOSSARY, VER. 4.0 U 0 L" K. i- b# G3 J! D* [, e/ `312 3 S- p! {! ]6 _2 z6 F8 d# UUSACE United States Army Corps of Engineers. 4 l) P- w0 S6 W- u. lUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. . o1 |) a0 q+ AUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. 2 x7 u+ _" q; r9 v q& s/ c$ @USAF/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. 1 _5 f& n" Y& Q6 \# rUSAFE U.S. Air Forces in Europe. ; ~: x' f1 T' W9 v( y5 J% d' gUSAFLANT U.S. Air Force, U.S. Atlantic Command. # g/ J' E& w& z. WUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. # V4 ~$ ?" u; u9 tUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. # x* x- d, a9 i+ HUSARCENT U.S. Army Forces, U.S. Central Command. % C; O* z) y' t3 tUSAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. ( M2 Q! R$ R3 `USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). % O6 }" `: g9 \9 X+ c& H* uUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. # [# o6 Z$ [: ?' [* A% YUSATRADOC U.S. Army Training and Doctrine Command. ) N8 I* w- ?; z1 R) y- U, jUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. 9 C. \* O1 T' u# ~MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 8 s* Y1 \' j1 J% @2 b4 X! d6 ZUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. 7 j" _3 m9 Z6 n' ^: e4 ~6 vUSCINCTRANS 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). * N: A- {0 z+ p: A* WUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. 4 d9 i" y' Y1 i7 K, @3 B; S$ b3 [USD(P) Under Secretary of Defense for Policy. : J) d0 Q6 H/ p5 k7 Z; KUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. . `. a: Q# ]( N3 l" }! O+ v; ^6 U' bUSDELMC U.S. Delegation to the NATO Military Committee. ) c( u4 |9 C/ F0 S: B, i" X5 {USDR&E Under Secretary of Defense for Research and Engineering. * }0 [# n; ^) N1 B, t; o* v* w8 zUser 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 7 s- A" m8 P5 G3 P: P! k; Koperate it successfully and easily. User Operational ' f N; r1 ?4 r* QEvaluation 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 training 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. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. $ O. l4 A; ^- b& g# k' kUSG U.S. Government. ) f/ W. @; J9 n, S) M$ ?USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. : @' z9 F5 ] i* Z: R5 \ gUSMAR- 4 F# c3 `" b+ R1 T. BFORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. % U, `$ H, a R9 N; {USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 7 L% z& g O. ?USNPGS U.S. Naval Post-Graduate School. * b- t$ ?1 [9 Y# R* V) lUSPACAF U.S. Air Forces, U.S. Pacific Command. 9 b/ @* _/ A3 |6 }% R1 R- F+ fUSPACFLT US Pacific Fleet. , ]" f" q$ ~! X/ z, [: ~USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). 1 K9 y$ w1 w% W/ v4 Y: @% eUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. , H" c( R+ `3 _$ _3 ~USSPACECOM See United States Space Command. . S: z( Q- P) ~: E% WUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. # ^# ~! t6 h; VUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 3 ]+ r _, c- l5 k) b1 O315 UTM Universal Transverse Mercator. ' |( \, }! m0 j, `0 l1 lUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. / p1 [' }( i( F# qUV Electro- 1 F6 C5 ], J# u! ~" ^; `3 nOptics Technologies/techniques employed by optical sensors in the wavelength 8 ~, ~. s. C H. Xspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. # W7 h3 x4 V! m, B- P6 AUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 1 V9 _; ^$ B0 YV Volt. 5 D6 p @+ \, J d8 ^V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. 0 F9 b: }! C {/ vVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real / u$ s! Q7 j/ Q: U; `7 {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. 0 x6 ]: C5 u1 l ZVAR Visitor Access Request. " G' a; z: l, x# U6 W5 i* XVariability 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 # b( X' H7 Z; n5 i: Y# o- zfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. ) V1 r: [4 p% U0 V8 |VBO Vertical Burn-Out (velocity). v$ P* F$ g6 C, W( C0 TVCC Voice Communications Circuit. & f+ U7 Y0 Y8 {% K3 l- O* m" f* vVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. ; S4 P" [/ H0 [7 Z. V$ CVDD Version Description Document. VDU Visual Display Unit. ' g( `; }, @8 n6 N: v# |VE Value Engineering. & h [$ s( Z! BVECP Value Engineering Change Proposal. % i% i x5 q# h7 E9 o5 BVerification (1) Confirmation that all data inputs, logic, calculations and engineering : j1 I2 G, E; ~4 Z/ G6 orepresentations of a T&E resource accurately portray the characteristics, 8 |- O, U# P5 w8 Scalculations, logic, and interactions of the system under evaluation. 8 M( g! y9 g! _- S9 V(2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified 3 [$ S' u$ O/ }: |- Crequirements. VESA Video Electronics Standards Association. 3 S# D* _# X4 x: dVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). ^$ X% Z; W5 ?- J! IVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 T4 n+ F: p D: Y% nVIDS Vehicle Integrated Defense Software (USA term). & u- g9 A* M% s) L6 z2 AVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D 9 j3 s% z5 W9 n: i4 NExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 + H& }$ \4 ]' V# f0 sOperation Per Second (OPS), using a mixture of experimental three-dimensional 2 F2 q3 t* ?- u% Gcircuitry and commercial components. Project also demonstrates VIRGIL, a % \1 o+ z9 d- H; L1 m7 [8 r- c3 Cgimbaled airborne sensor with visible, experimental UV and quantum-well IR + B1 M& q/ L, w& w9 l/ M6 p5 s* ~: m: Lcameras capable of tracking targets that can be detected, identified, and 2 ~ o5 k) a& y/ yprecision-tracked with the ANTE processor. 2 X' x% L4 t5 P6 h8 W2 zVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range : r+ g* y" l/ D8 W' \3 }" q(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 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 : ~9 d" c8 o7 T% `kilometers). Visible Electro- Optics 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. ( S4 r1 @* g# O$ @' H( pVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. 8 s" h) Y1 h- K, t0 K1 \VLWIR Very Long Wavelength Infrared. " e# {' S2 B8 V8 Z, d# }, hVME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). 5 F% E( R/ n7 k( IVOX Voice Actuation. 4 c. q9 d4 }. n6 ]- uVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 2 ~: Z" A( w9 T. k' SVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 0 D+ j% p: ]. V( y318 & ]0 e( M2 ^. @; C; FVulcan UK bomber. . C2 k/ |) H( F0 O- t, UVV&A Verification, Validation, and Accreditation. 2 `! L% B! H9 W3 E7 ]! [& I" ZVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. $ S6 K, {+ ?7 r. lMDA GLOSSARY, VER. 4.0 W / T: A2 h2 S# B" P$ ?! g319 2 N1 Y8 j, N6 V0 |2 GW/ With. w/o Without. W/TD Warning/Threat Detection. ) k: _: i0 r7 W5 }WAA Wide Aperture Array. # F; L. \) P( U, f- YWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 0 @- W8 j' s: q# x* W3 wMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). 7 z' B/ w( T0 R0 [; `9 Y& Y5 m+ C$ tWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual : a! ]) t9 u! b2 D* K! q- p5 B2 [) `7 R% Kor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the . I" g h b) }; p+ K/ c$ D# d( RJNTF for use in CONOPS validation, missile defense program design verification, w7 U( `3 d, x7 |$ Hvalidation and accreditation, and support CinC/Allied wargames and $ L r. Q( s$ H) p; gassessments. : t* K$ }2 i* w8 L2 @, u' GWarhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. ; F2 P! d6 ~; N: a0 ^Warning of Attack A warning to national policymakers that an adversary is not only preparing its 2 A% b7 R+ H- `: u$ H5 n# garmed 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). / Z% X- t5 `! j/ j' xWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve ( ~! a+ X0 V+ BModes (WARM) Characteristics and operating procedures of sensor, communications, navigation ! P: p. ` H% K; Z9 J4 \) Naids, threat recognition, weapons, and countermeasures systems that (1) will , g! L/ ^( e- Q( e+ Vcontribute to military effectiveness if unknown to or misunderstood by opposing , H5 m' r7 r [7 [! J9 Ecommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for 8 p* ^& \8 F6 \ r q% h" Cwartime or emergency use and seldom, if ever, applied or intercepted prior to " \) H) Q: T. U5 r' L+ Y0 Q9 j) ksuch use. ; v( y, G# S3 N7 rWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. / J- E8 I1 c: k2 nMDA GLOSSARY, VER. 4.0 W 320 9 U2 w7 r. S2 T0 V0 }' S+ Y: jWASHDC 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. * m" m' R. j& n: `! h. K9 z% kWatch Condition ) W1 y9 `, }/ k- _% t0 u6 t(WATCHCON) 2 d0 Q" I3 `; A+ `6 [: @Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. 7 w W; g. j6 Z+ wWAVE Wideband Angular Vibration Experiment. 3 H6 J; h2 p" GWavelength 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. * f5 e8 K% w6 u& c3 TWB Wideband. WBM Weapons Battle Manager(s). : ~+ t$ ~2 \6 R: X8 BWBS See Work Breakdown Structure. 5 Y2 \& Y6 V* G4 C- NWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 0 P d0 e1 ^6 `, \WCS Weapons Control System. WDM Wavelength Division Multiplexon. * J" V$ \; o g/ c0 NWeapon Enabling The set of control functions without which defense weapons cannot be & a7 G+ ~ N0 W9 W" Q. `/ Ylaunched.