航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council (TMDC) A consultative body for considering TMD family of systems planning and 6 X* ?6 h/ h5 _, q9 s5 tprogramming 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 and Program Managers. & g7 Y2 u. g$ @2 ^/ d; T/ wTheater High 8 V8 Z4 M3 d7 [/ ~ u6 P$ kAltitude Area Defense System - e9 k9 v7 v Q" \; ^(THAAD) # w- O2 T! V3 c5 F9 ZA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile 4 q6 d( y# y& M# |(TM) ! Q1 |( m6 i& y' l4 nA 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 ! ?' M) N- h: P3 c5 a N6 }of attacking targets in a theater. 3 |1 T; q# Z8 ]0 _2 HTheater Missile , J8 N* q9 B5 D& d0 HDefense (TMD) . V* ]1 g9 W8 E& r) ?' AOBSOLETE. The strategies and tactics employed to defend a geographical area " S1 M5 ^- f$ M2 ^/ \6 T4 \! doutside the continental United States against attack from short-range, * T: X6 A% {+ c9 Hintermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- Based Radar 8 ^* |9 D7 J& D# v# l(TMD-GBR) 5 j0 @) S* ^ R7 x6 AA ground-based, air transportable sensor that provides search, tracking and / Y' {- A; G% g' N& b: Wdiscrimination capabilities for the THAAD interceptor system. Also referred to as $ i) ]" U6 H6 O) D% [, r: s0 S& o5 ITHAAD Radar. ; c, w6 G0 N- D4 ^- z- ITheater Missile $ T+ c( @6 }/ G. ?8 n0 pDefense Initiative + b) W- B" _( E E1 v(TMDI) % r8 c& U% i6 t% pAn initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. + o$ \% l. ?+ w, c" m }# D0 EThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ) w6 u1 i+ d# Z& `' [" |1 tthermal energy received per unit area at a specified distance is generally * Z" b! }% \! R& S* ?9 J+ kexpressed in terms of calories per square centimeter. * m0 _4 f5 x J9 j6 A4 G+ v( V$ cThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 7 l! N0 s+ Y1 f7 greflected from the objects, which are imaged. - ^4 Z) n3 P6 NThermal Kill The destruction of a target by heating it, using directed energy, to the degree ) E5 I: \. Y% L& N4 m+ G$ Mthat structural components fail. Thermal 4 F7 E) T- v" |Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. . [# {- W& C" xThermal 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 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 % g/ @1 D1 x8 C t' S4 i# T9 aabsorption of this radiation by the ambient medium, accompanied by an increase 7 g6 q/ h. B( hin temperature, which results in the formation of the fireball (or other heated - c* W4 C4 \4 ~) z% oregion) which then emits thermal radiation. (See X-Rays.) & b2 [8 m" F/ ], o5 zMDA GLOSSARY, VER. 4.0 T 299 1 j/ w A" P6 A2 [1 b9 YThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the & R; g) K. {1 V9 u1 V; ?1 Eexosphere and most or all of the ionosphere. ! b+ F2 f# \. t: DThreat Characterization . c4 v7 l4 U# j' a. aAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor # b$ E& H6 [& ~; w(Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object 5 e" Z; e. `9 V! ytrajectories to be represented by a single trajectory in battle management # s2 Q- K U) ecomputation. / {7 o! F$ w T+ D4 ]! K qThreat Scenario A hypothetical example of the employment of threat systems against ballistic & F( T) z& C g) ^& smissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. ; Q3 l7 I8 n" ~" C" U) }- r; Z2 gThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance 3 }1 h, ~4 p6 \/ c2 Oobjective. ' W4 h8 P4 t+ m& S: C$ bThreshold 0 O7 w' F9 W% R& ^0 A! g) VDefense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. 0 E$ |1 R9 n6 W$ vThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. / o) p) P& ~' c7 U) T+ W. m! Q3 l. VThrusted 4 [& S/ s& Z4 W1 VReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to ; P; \5 W$ {5 X8 Z; _% ^' @! w! mchange the decoy’s optical signature to resemble that of an RV in the reentry & y: T* I' K5 Q; J* J+ Q- Xphase. TI (1) Technical Instruction. (2) Technology Insertion. $ R" V* c8 }* g5 ?4 _8 l* kTIARA Tactical Intelligence and Related Activities. 9 H# j& [$ y+ F9 L x7 l6 D! m+ {TIBS (1) Theater Information Broadcast Service. ( m0 G* m( T/ `, A: R(2) Tactical Information Broadcast System. * u! c u* Q0 x* |9 f& k(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. & m0 z9 W# w( `7 ]) W2 v1 \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. ' H. }# o# M% }+ R8 T& z3 p2 `0 G2 HTIES Technology Integration Equipment System. 0 F$ u- X& C2 ?8 eTIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. ! T, Q' r# J( w, T2 kMDA GLOSSARY, VER. 4.0 T 300 4 g, ]9 ^) L+ V; J, S) lTime-Phased Force and " r4 i; m9 e5 T$ P( i. L/ q% d' _$ tDeployment List % F# U& f W. E" g5 x" ]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. 6 B, b; Z6 b+ YTime of Flight 0 r! W* Z2 C( A5 s) C8 D(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. ) d _7 p$ }! v: R! J: [ H7 ITime Sensitive Targets Those target requiring immediate response because they pose (or will soon pose) 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. TIMS Training Integration Management System (USAF term). / t; U0 v! U* M: ~TIN Theater Intelligence Networks. ! n& |" `; `8 XTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) 9 H$ N. }0 H* L+ n4 l# G- ?TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. : z! M8 S: Q1 F0 N- f( r3 Y/ cTIWG Test Integration Working Group. (U.S. Army) ; R- |2 @) N8 K7 YTL Team Leader. 2 y$ A+ [ d: \) t2 S' X3 t) o9 r; ETLA Time Line Analysis. ' N. O- [3 G' M7 I& d" J9 JTLAM Theater land Attack Missile. 7 b& [% _) V# o* g7 B) U$ kTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. / C K5 `. ^( q$ nTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. ; ^& \9 W; Y8 @9 n6 j0 u9 tTMD See Theater Missile Defense. 9 C5 p' b' V2 l. k- {% |/ X ~% wTMD C2 Theater Missile Defense Command and Control. |7 p5 Q8 H. i1 {7 c1 v4 j& aMDA GLOSSARY, VER. 4.0 T 301 TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic % ^$ D1 @0 t6 ?" J6 hMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). ( x% y% k" f9 c+ C" hTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). ) I7 M; r7 p) r9 W, `( d% z" iTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. , p& E5 V" c- Z5 ETMDAS Theater Missile Defense Architecture Study. ( P, k6 k( a! M$ M5 B* |; Z4 Q0 {TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. % q/ d$ J2 C8 }. ^' j0 [, JTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 3 O3 k' ~" @( ?2 Q6 b* nTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. ) j4 r6 F: C. b9 u+ @& `, }TNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. 6 j8 q1 o8 ]- XTOAM Tactical Air Operations Module. 4 R6 I6 n; K- r5 J7 j/ r; dTOC Tactical Operations Center. TOE Table of Organization and Equipment. ! m W2 _$ k6 ^. F' e0 HTOF Time of Flight. ) k( Q6 ~1 W5 {6 KTOI Track of Interest. ; M/ h2 L4 v( Z) U& cTOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. ( Z; ~ f; e6 C- z) A( vTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. # V7 x: W& f; G- J$ [) A6 ~( IMDA GLOSSARY, VER. 4.0 T 302 ) L8 Y3 G, D5 E' nTOMD Task Radar Management Details. TOMP Task Order Management Plan. 1 a/ a0 }! k2 F* qTOMS Total Ozone Mapping Spectrometer (NASA term). ; U6 F% m: Y7 P6 gTOO Target of Opportunity. TOOL Target of Opportunity Launch. $ ?# u( U3 F8 [ a2 kTOP 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 Design + r: f3 t4 O% p, hThe process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. * m& l, P0 ~6 w2 R9 I3 I; [3 B, u$ F+ sTop-Down Testing 1 `0 r/ r1 U% `- u4 @3 b2 j. _. z$ `The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. ! e! N* b! h& o* [" jTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power . j( k. ?4 X% {+ }6 K( k& K/ otechnology to U.S. BMD applications. TOR Terms of Reference. ' f) _. t6 S4 ATOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. 8 y1 Z2 _* ?! b- D0 S* n" WTotal Quality Management (TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 8 H" ^ z1 z0 U( x4 }! t" BTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. 6 u" w% t" A, ] N# b3 C' LToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. : k$ a7 Y: a# wTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. $ F b2 e0 J) S5 h# QTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). - h6 W" K5 p- STPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 2 K# {6 p+ O- k5 d303 6 `0 J" I* }9 P: {* {; D% d% V. sTPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). , v. P Z& X) u. ~2 L: t: _8 S5 vTPFDD Time-Phased Force Deployment Data. 0 k4 o0 V; H. T% V. zTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. t/ \: N2 H/ h. b. w3 @1 rTPMT Total Preventative Maintenance Time (ILS term). - @7 L; C/ k$ m# y1 uTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. 5 [+ c# A6 i7 S. Z& ^TPS Thermal Protection System. TPT Theater Planning Tool. 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 (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 ! W, b+ K2 w, R" ` e5 Jrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 4 O: q: D* A4 U b% s8 ?(2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. 1 O6 j3 b8 ~* ]# k% m1 u3 Z! D$ L% J( }(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the * |% o* q' }6 z4 h ~7 Y7 vearth. Track , T# }3 K& U5 J4 VAssessment 0 J4 u; X* N8 O3 |/ T) FThe Track Assessment looks for anomalies in an object’s track data. An anomaly ; Y0 [. P7 {6 N w# |0 R8 yin the track may indicate a hit. 2 A5 h) |+ n& K `* HTrack, Birth to Death 3 ]( a; E! v* D% B( lThe maintenance of an associated track through all phases of flight (i.e., boost 4 ?% Q5 s3 N! ^0 c) s8 g/ w6 A: vto reentry). Track Correlation The combining of track information for identification purposes, using all available data. / _8 a: A+ z& W0 t1 z( i FTrack 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 or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T ; A3 O3 U# S" }% ~ ^! I5 r304 . N/ b0 V$ G+ C) {Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS & R1 z$ L8 W8 Bmeasurements with irradiances with confidence of association; or some subset of the above. ! Z' T2 f8 ~& C) _* A8 ^Track File-Track 1 A1 M/ ~4 X; rHistory $ ]. p0 `( g+ _5 m+ y8 WA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. * o# Q) {& p8 p6 \# |9 r$ FTracking The act of generating and maintaining a time history of an object's position and : G! x+ I! {; B I7 t3 Nany other features of interest. Tracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is & v& n* R+ C- c- j. Q4 \successfully tracked, a weapon is “pointed” at the target. Tracking and pointing 7 s, l# D) z# L9 Y1 K# ~0 g: Kare frequently integrated operations. Tracking Range 3 R, W: ~) f% w(Max) The maximum line of sight distance at which a sensor can maintain track of an object. + b7 e: p `- aTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of 8 T1 R0 u& m, B$ rframes. - g2 q6 G; G5 k% S1 kTrack Production Area 6 \& r1 h7 B% ?: QAn area in which tracks are produced by one radar station. 7 f' o7 i# n0 l' k4 R$ p+ _! dTrack 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 J) d3 M: _& u! D0 QTelling 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. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 0 l- N2 G# X: O" r4 w& M4 oTraffic Capability Maximum The maximum number of objects per unit time which the sensor system can ( r0 v$ f. C: e) u3 h8 j: Imaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high $ T4 r, a/ G. [4 k! fendoatmosphere. ' W) T) W8 I1 }5 TTrain Threat geometry with objects placed in a line (string) along the velocity vector of ) Z1 o4 Y1 ` |& `7 B1 ireentry. Trajectory The curve described by an object moving through space. 8 \% G* s" p1 K& @) r. c4 @. K) dTrajectory Histories Trajectory information on targets recorded over a period of time. / @( c' K$ a2 m3 J$ f: ]7 MTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. : e9 x4 Z- ^. J& l# z" YMDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production A risk reduction process during which the program shifts (passes) from ( O8 C4 V7 h9 v/ k6 kdevelopment to production. It is not an exact point, but is described as a - `8 Q4 J/ d, d) hprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security $ W& X0 [$ u5 d9 q+ B# w- e: D4 D4 p(TRANSEC) ' N1 _+ Y, a. i- Q8 l! RThat component of security, which results from all measures, designed to protect 5 C; O3 x. V7 ?, X8 ccommunications 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 speed of the fluid is subsonic in some places and supersonic in others. This is # w5 Q% R- e" P+ W6 z' i3 aencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 3 {: y. h1 V( HTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security 3 i4 f/ d" e0 Y* Q1 g+ ^4 mmechanisms to be circumvented. % g/ a5 g9 F3 L. q+ ~- Z- CTraveling Wave Tube (TWT) 6 y0 x1 m, A* J* w0 `An electronic tube in which a stream of electrons interact continuously or D8 D+ c6 Z) M/ n7 p9 trepeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in ( B3 N/ [5 K$ U+ w$ hthe microwave region. 0 P; ^" `6 z0 K, t( g. U$ B; eTraverse (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 ) _5 B$ n) c6 L0 rpoints on the earth are obtained by or from field measurements, and , M9 ^2 @7 u' z' S0 N0 d6 _" H+ Vused in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both , y o7 x* K. H$ C9 ^6 [5 ^& Pas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. / |- _9 r% t" \TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. 9 S8 e/ Y9 F/ k; ~* p6 w& aTREPS See Thrusted Replicas. / Q/ [' T* |' A7 ?0 p0 s' @TRESIM Tactical Receive Equipment Simulator. ; u# z! U* w, w4 d2 o0 f* L% a1 ~) nMDA GLOSSARY, VER. 4.0 T 6 j f! k, ~" }; v" V; _6 X' O7 j306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. 6 n9 W1 `' b8 T5 B. C6 bTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). * N) m, N- T/ x& fTRIM Toxic Reduction Investment and Management. % y8 y9 Y2 q+ j0 H6 Q7 q+ M6 `, DTRM Technical Reference Model. 0 X$ _7 @. ~8 X6 CTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. # T" s: }8 P$ V9 r Y- Q& sTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate - r5 t3 g+ e6 `! U a: d3 @authorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the , \& ~, i7 v1 {/ Y' U" ?, W7 ]atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) ! B4 {, Q/ {0 C8 c: X7 qTroposphere The region of the atmosphere, immediately above the earth's surface and up to 1 y5 e) B1 A) i0 Bthe 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. ; ~. k6 _3 \) m h( j+ bTropospheric Scatter The propagation of electromagnetic waves by scattering as a result of * h% J& G7 g* u. Eirregularities in the physical properties of the troposphere. . e2 v3 B- |0 r: E% T t* @- ~TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. 5 R; F$ I% F( d% a) L2 i(3) Technology Readiness Program (pre-acquisition program status). ' t5 z& E; Q9 v. z( ?(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 0 V7 y& v0 M3 j3 c5 D" PTrusted 4 N3 `- k4 ?* i- _: LComputer ) Y) \1 B7 n' P5 Y! USystem/Software ) q4 _5 B6 O) W# _4 x2 D/ M3 x# b5 PA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. 6 c2 `% \( Q9 Z2 d$ m' I" X* mTrusted Path A mechanism by which a person at a terminal can communicate directly with the * R% I) F4 z/ _4 C6 T* PTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T , d9 j; ?5 u$ W6 ]# ~- `* R307 : t4 `+ z2 D; @TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. " ~) h' C5 s7 O7 _TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. $ e! R6 d( b+ V9 g |TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. 0 N& C) ?( {4 v7 u1 J, eTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. " ?) f, h q( l) @0 i) o) ^TSMA Theater of Strategic Military Action. TSP Target Support Plan. * j5 h/ P3 [2 n9 o$ |8 VTSPI Time, Space, Position Information. " I1 I4 Q2 ^6 W+ I9 xTSR Target System Requirements.

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TSRD Target System Requirements Document. 0 @4 g5 ?0 w- z8 K( STSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. & t h, L# M) P8 LTSWG Target Signature Working Group. TT Total Time. ; M8 v4 ^$ @ J' U+ X( uTT&C Telemetry, Tracking and Command. . B9 A5 U5 S6 e. m5 i( P4 NTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. 8 [' N2 ]( j4 |, R& t5 O5 X0 BTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP U, w# D+ [- J2 x% I" u9 pprogram, which funds the development and demonstration of technologies, which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 6 Z, }( L$ C) s5 CTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. + R$ m2 `' r8 M3 FMDA GLOSSARY, VER. 4.0 T 3 c# s' `8 w3 }& i308 ( j" h; a# w& e7 h R8 a. jTTV Technology Test Vehicle. ; R0 C* O* U, p6 v1 B$ H9 |TTY Teletype. TUG TRACE User Group. + k8 z( c* m. \0 a7 p: b7 C" TTV Thrust Vectoring (rocker engineering term). & ?" I& S7 n+ N% _' ~5 TTVC Thrust Vector Control. TVE Technology Validation Experiment. : b I$ {5 i$ r* i$ |2 ?TVM Track-via-Missile. 9 Q. y2 X( p% L9 L/ W6 p5 f( P d& k8 fTVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. & H' I% B! j, MTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). ! r9 s# ?( @0 c5 D, J! g: wTWT Traveling Wave Tube. ; {$ w- R$ t0 p- ^ d4 BTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). + U% Y( H; `" _% bTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification / d0 X/ D* U6 IStates all necessary requirements in terms of performance, including test 1 d5 u3 b0 A2 Y2 Q) I! Yprovisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. ( `( \1 G6 K5 h& }2 } u( o( OType B - 0 g9 [3 }, O2 M: b2 X7 y" X5 MDevelopment Specification ; y* d# n; L/ t) T+ JStates all necessary requirements in terms of performance. Essential physical 5 a3 F# W$ Q; V% Z; vconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item 5 T ?( a7 X0 ^/ [! lfunctional characteristics and the tests required to demonstrate achievement of / E* ^. p; q: ethose characteristics. + G4 T4 X s$ k( P! |- PType C - Product Specification Product specifications are applicable to any item below the system level, and ' q) c# v& Y# k2 |) hmay be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) ' d( N3 z1 }/ _4 V/ \requirements. Type C specifications intended to be used for the procurement of items including computer programs. . F: Q5 a1 B, i" O i `Typhoon Class of Soviet ballistic missile submarines. 9 o7 d- T! G0 _Typing The act of recognizing objects by measuring a set of observables, computing a ' s/ W% m O$ \- D2 Eset of characteristics, and associating the characteristics with a specific class of % ]. i& d% P* D1 n, n& u2 Aobjects (i.e., SS-18, SS-24). 5 I6 F4 s2 Y8 Z0 UMDA GLOSSARY, VER. 4.0 U 309 U Uranium. + R. }8 j* c2 F' O) zU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. 6 S8 R& ], h' z' p+ {7 n' EU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. ) O# o P" V+ f0 hUA User Assessment (NMD BMC3 term). $ n! R) X1 S1 XUAE United Arab Emirates. ) T$ X6 d. a; a; m) IUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. e' U- t6 _6 i: z; wUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). + {# J! j8 X* Y' PUCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. & V+ z6 Q: A+ i5 s* c/ H! c2 xUDMH 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 8 t8 q# y* [) e1 r3 c+ A. c3 fcapabilities 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)), - e5 S( w! G: [+ T2) 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 ' F! d- b( k- c! n L! F& iRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U - Q: K4 ]$ m5 ~* X z" }310 [9 H& P* t: ]. s+ s! F% ?UFG User Focus Group. + v/ G/ h+ Q2 P3 G1 @% kUFO UHF Follow-On [Satellite Communications System]. , L* _- p+ K e* MUFP Unit Flyaway Price. UGF Underground Facility. * H+ o- H3 F r3 N1 `+ \UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. # g2 S, J/ \( U5 ~8 m. f$ R; ?UKAS (1) UK Architecture Study (2) UK Associate Studies. 1 y2 T C# I* B$ ~UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. $ J/ K# x3 e( {8 m9 IULCS Unit Level Circuit Switch (SINCGARS term). . [5 }; g1 @3 X9 TULS Unit Level Switch. 3 q0 v0 @8 R5 ?! \' C kULSA Ultra Low Sidebobe Antenna. 1 D7 i) f7 Y' x9 E( w* w6 TULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). & x4 k; j) |6 z% ?/ \4 `6 h( xUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. 7 x0 s% X4 o( b1 x$ D g3 c+ mUNC United Nations Command. ! a$ N& j% A u) D8 @; n6 J1 VUnconventional * A. ? Y) V/ pWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 8 g: `) [9 c9 q' Fincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion 3 X2 v; O( {$ }9 m5 e* sand escape, subversion, sabotage, and other operations of a low visibility, . p; }, O0 k5 w' acovert, or clandestine nature. Unified Action & d% V' j: p* W7 z6 @Armed Forces A publication setting forth the principles, doctrines, and functions governing the 2 ^, j% d0 z. z& \% iactivities and performance of the Armed Forces of the United States when two or 3 X9 L: t3 E# }2 Vmore Services or elements thereof are acting together. ; m; Y7 d) N n% }# dUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 4 {# H) K' q8 [4 ~7 Kwhich 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 - S- C* V# D* a$ z& D/ {UNISYS UNISYS Corporation. / [0 c; I7 z5 R+ Q. }United States % B# F0 Q1 l/ fArmy + U0 n8 z3 W8 g5 n) S; i. k+ G: A5 ISpace Command 1 X& l9 D; X; J% J(USARSPACE) 2 y/ S1 l. ?2 ~- P" y8 XThe Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command ) f( G! _( s% ^$ l0 d) J(USSPACECOM) 5 W& v+ Z7 V* d+ ?; z( J7 ]The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. United States 8 _/ Q) g, N. e: E0 X( O& ?+ uStrategic $ S$ D# L8 H" Y& f0 Q' jCommand & l) l* G7 p1 F+ \% P- N1 |(USSTRATCOM) : |( I! S$ W* t$ m6 i/ DThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. United States * w( S' Z; W+ ]4 KTransportation Command (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as 6 c ]/ \+ `8 Kneeded 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 & q: e1 b8 S, O! N( \5 P1 b6 AAFB, IL.

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Unk Unknown. 8 g7 [3 o/ Y) W; H4 e! iUnresolved 7 ]/ b% ^: g I9 I4 V& }Objects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. : F: h% m' t) p, T7 aUOC Usable on Code (ILS term). UOES See User Operational Evaluation System. 5 D0 ^( P: N' ]/ ZUPD Unconventional Passive Discrimination. ! ^8 s9 ^3 N% h2 d; OUPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. * X% l" F3 k' S" H; Z8 WUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. # _% ?+ z3 @2 a6 [& h; `+ {USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. 5 b/ u+ A- o5 Z4 W9 FMDA GLOSSARY, VER. 4.0 U 312 ' m, F7 H4 t3 E3 |: Q, @2 |( ^USACE United States Army Corps of Engineers. : T6 a0 N# O2 y/ kUSACOM United States Atlantic Command, Norfolk, VA. 4 W- |# p2 D" T) j/ AUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF 4 U5 l) ^4 r! y2 E' [* jSystems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 6 A" A v; c$ y" j0 l/ YUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 8 d. X1 X- t L, s( y: A3 RUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. ( l0 m) k0 \ |! @) i9 [) |7 {, GUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 1 [$ t; U; ?; D! G0 AUSAOTEC 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. $ n; [$ ]6 ~: @- B* DUSARLANT U.S. Army Forces, U.S. Atlantic Command. : f4 `. X9 u) U; q" PUSARPAC U.S. Army Forces, U.S. Pacific Command. " t1 q9 P4 ]/ g% f) Y' m4 QUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 9 S8 ?$ }7 G4 Z: I' ]% oUSATRADOC U.S. Army Training and Doctrine Command. + Q+ q, j# m0 n9 \8 g" VUSB Upgraded SBD. 9 k$ B- _1 c; A8 m2 ?2 J1 M! d+ sUSC U.S. Code. 9 n4 Y. {( A; pUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 9 H. z' C( P9 j1 O: x3 d313 . ^% M1 z G# N% S- o; dUSCENTCOM United States Central Command, MacDill AFB, FL. 3 c3 t1 A4 |2 O" o5 `7 oUSCG United States Coast Guard. # O" Y6 E# |0 X' @0 _* O- S# V' QUSCINCCENT Commander in Chief, U.S. Central Command. 6 |( n$ a, H/ q2 j8 uUSCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 1 o+ Q2 E1 D& yUSCINCPAC Commander-in-Chief, U.S. Pacific Command. 1 n% B8 K# Q$ C0 e% ]USCINCSPACE Commander-in-Chief, U.S. Space Command. & \4 I- b6 V) v& t+ ?' O" w6 q5 SUSCINCTRANS Commander in Chief, U.S. Transportation Command. ) {' l# K: Z9 v* ^/ q9 k( gUSCS U.S. Customs Services. {7 O& Y% z h3 g- _; H. ]USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ) s9 x3 D) E: @3 u j, ?USD(P) Under Secretary of Defense for Policy. 0 M% s# Z$ {. d& r+ V6 G4 R' IUSDA United States Department of Agriculture. 7 o) }) P/ J, b5 m8 ~8 cUSDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. 4 c# a) E$ l2 V- m5 }USDR&E Under Secretary of Defense for Research and Engineering. " b. R ?7 A8 } K& y9 c( `User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational . ^, G2 h+ P" N3 oEvaluation / l8 ]5 ?: G& z5 g3 B- SSystem (UOES) Prototypical system developed and tested as part of the early phases of the ) e! C( w* p* ?( I. w U, i. \( H$ C" U; l6 jdevelopment process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) , ~* y4 h: s* [2 Wcontingency defense capability should the need arise prior to completion of the ' V) x3 B3 B% c6 K8 W& A* Mnormal acquisition cycle. # m1 {0 y# t& U$ m8 ?' qUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. 2 W1 p6 q+ Y+ N& |2 PUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 3 Y/ X9 B) r! S* \314 USLANTCOM United States Atlantic Command (Now see USACOM). 4 G6 W5 J4 j D2 v3 V1 e, {; J+ iUSLANTFLT U.S. Atlantic Fleet. 8 k3 H, F7 L+ q7 Y/ Q) t( x q+ SUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. ) v5 A6 K+ T6 z* C5 q& K) R( Z" ]USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. * o% b# {7 y) JUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. 0 {6 [) R e, a) h2 B/ v3 w5 e: kUSMC United States Marine Corps. 5 ~' S$ Y; `* O( K# s( G7 ZUSMCR United States Marine Corps Reserve. ' E$ } i {3 ~9 \8 l2 H# a% zUSMILREP U.S. Military Representative. USN United States Navy. 2 A1 e2 z+ h5 H8 y' I U2 GUSNAVCENT U.S. Naval Forces, U.S. Central Command. / d+ E: m. g5 |8 V6 ]USNAVEUR U.S. Naval Forces, U.S. European Command. 2 @( U6 F4 B8 u( DUSNIP U.S. Naval Institute Proceedings. . _% W4 x5 Y* j+ t+ fUSNO U.S. Naval Observatory. 2 ?: e: ?. k2 L# e' _1 U$ ^USNPGS U.S. Naval Post-Graduate School. 8 y( ~$ T; M, r& f& p9 xUSPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. 4 m8 A9 e/ W6 W: f; b) PUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. 7 i) M L% g& yUSSOCOM 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. 4 q( B( C! ]2 g' _' s1 d7 YUSSTRATCOM See United States Strategic Command. USTA United States Telephone Association. 2 U- B S* Y! n \" ZUSTRANSCOM See United States Transportation Command. UT Universal Time. 4 F" |2 X4 j& L1 e/ n, y- |" h! j4 zUTC Unit Type Code. ( X- J/ G0 A) e( w. i5 {MDA GLOSSARY, VER. 4.0 U 315 . n, j1 F1 i& S- ~9 g; a) [2 oUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. - \& T! F& W; W/ Z; Y8 nUUT Unit Under Test (ILS term). ?& r; P5 x0 KUV Ultraviolet. # I4 e3 k u' g2 g- e4 VUV Electro- : [9 i2 T: `' ?1 o0 BOptics % g1 J6 u/ G# K% r, F; X+ O7 \8 vTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V - w. M- M8 }& a3 |& \7 C) k! G316 V Volt. 5 l; ~' ~4 }. x% y; P4 N# M7 _V&H Vulnerability and Hardening. , z: S' F/ Z% _% o' P. KV&V Verification and Validation. (See Verification, Validation, and IV&V.) 8 V1 Q! e% f- p- Q: C. D# a& J r2 [V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real ) h; I d! P/ E1 V% E+ {world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. , D. w I/ R' c6 W7 O! J" pVAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases ; j. P Z+ m, F% R# bwith the distance from ground zero; or, in damage assessment, a mathematical ) e$ J: X/ o* m+ e; vfactor introduced to average the effects of orientation, minor shielding, and 7 e: Z' p3 P8 Buncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ) R" h6 o1 H- T# `8 u$ k' SVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. # x p# B) h; a% w* `/ v L3 p# jVCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. y9 m: \4 h8 `VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering 9 v1 y+ P" x8 E6 Zrepresentations of a T&E resource accurately portray the characteristics, % J2 o4 |" A* J3 b7 Pcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end & N$ C# }( G, G+ L6 `of the development process to determine whether it satisfies specified requirements. 7 s( |# M% z: s7 s( ?6 h( c) Z4 tVESA Video Electronics Standards Association. ' ~: T$ E, E! f) ]+ m& Y, V9 vVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 0 K# H* r3 c, k# d4 [5 t, YMDA GLOSSARY, VER. 4.0 V % K5 O3 W! j# N317 VIDS Vehicle Integrated Defense Software (USA term). 3 U: X# s# W2 Y1 t0 y4 tVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR , v# F* \8 a) ?" S W) P" Lcameras capable of tracking targets that can be detected, identified, and ! U: u# |8 J& B1 f3 Hprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. , b. M# D# F! c j6 i: R7 Y6 r4 f( UVIS Visible. + ]7 [4 v* m6 {! q. F3 _VIS/UV Visible/Ultraviolet. Visibility Range , ~' K/ H0 p1 u1 l6 i(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 kilometers). Visible Electro- Optics , d8 \4 ^! [( W5 ]+ gTechnologies/techniques employed by optical sensors in the visible portion of ) k! d, Z3 P( m! Z' J ~the wavelength spectrum. + d! X6 M- S3 e% J% @" oVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. 6 ^6 u6 h8 o; \2 [$ }/ \VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. # [, E. ?+ l/ \5 a) P+ rVLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. + W6 _9 d2 b* L2 pVME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. : ^: {: f+ s3 K8 [5 yVRI Vanguard Research, Inc., Fairfax, VA. & o2 B! Q; m* m$ T! W8 ?! kVTC Video Teleconference. 5 o8 \/ r# _# Q& ]1 J$ d, R/ |: yVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. - |4 k: k# g3 _, W: V aVUE Visible Light/Ultraviolet Experiment. ! F1 R- f; u5 ~8 g* RMDA GLOSSARY, VER. 4.0 V 5 V% @, H/ X# }5 k. E4 V318 Vulcan UK bomber. 5 i% M8 \- y# G/ gVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. * o/ `+ R2 e7 PMDA GLOSSARY, VER. 4.0 W , n( k& {1 x- m6 v a9 I319 W/ With. w/o Without. W/TD Warning/Threat Detection. & |1 D7 j- b: c# i/ uWAA Wide Aperture Array. ; {/ m* a. |: C- C. IWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. 1 Y1 X1 i, n; k. q. iWAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. 3 A( i4 ?/ x: `* k# QWar Game A simulation, by whatever means, of a military operation involving two or more % X# `1 g( y7 S' \, W2 hopposing forces, using rules, data, and procedures designed to depict an actual 6 C3 \: x. j* c( u0 Qor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, 2 P9 F; ~" J8 Z( L% }8 o! K, O. @validation and accreditation, and support CinC/Allied wargames and 6 c: |* k# s! M1 _' fassessments. Warhead 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 4 X6 b3 Y" Y5 l1 A5 s5 t scomponents. 6 o+ ?6 X" t& q( Q& E- `" D* w+ \WARM Wartime Reserve Modes. , l) D" g% W! w' UWarning of Attack A warning to national policymakers that an adversary is not only preparing its 4 U* f+ E6 A& e. `/ m- Q! oarmed 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). Wartime Reserve & R7 W: Z$ `3 x) kModes (WARM) 7 j) I' E0 M7 B/ e6 E5 nCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 7 H- \' Z# I. k: X3 ?contribute to military effectiveness if unknown to or misunderstood by opposing 1 S$ I6 b& K$ h6 L- h9 h5 E9 Y: Kcommanders before they are used, but (2) could be exploited or neutralized if 1 M5 f' g: L8 m* M' t$ Z/ ~9 j6 T, X }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. 2 j: e6 ^, @# b+ G' N0 f( [# ~WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. # Z$ [( e* X' P4 ?( u; F YMDA GLOSSARY, VER. 4.0 W 320 7 X+ I6 ]9 ] D) G- E; `" bWASHDC Washington, District of Columbia. - k" V$ ]4 o7 l* JWastage (Max) The maximum number of defense weapons which, when used, will be ineffective * O6 g V2 P; P7 h0 B# D9 N1 |! ?in contributing to the defeat of the offense. ; A0 l3 `. z( Z- g' AWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 7 r; d1 R; W5 t% a8 ]# Jto watchfulness without raising DEFCON. 8 O- w1 ~# a2 i4 A: K2 fWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. $ Y" f6 [% ~+ m" Y- C6 ^3 o) rWavelength 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. ; H; c9 o1 I6 `5 ^WB Wideband. " x" E2 i. W( nWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. ' V; E9 \; G! B* d8 JWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ) g: s8 t1 q& o5 {3 p" {WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be ' s$ U# B$ I2 A' T+ n1 {launched.