航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T / ]7 i! U* ? t" w+ u" i298 Theater Missile # a: o4 B5 Q. D! {+ e; T0 {Defense Council ; @/ ^# r1 \3 ^(TMDC) , S2 R: s' F2 {; E1 s# g3 ~A consultative body for considering TMD family of systems planning and ) }, `& C- Q* z9 `9 Q- t$ _$ k/ ~programming 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 6 K% w2 V) W+ f7 n- V6 Y4 Gand Program Managers. Theater High Altitude Area 2 `8 ?+ C+ {- I- R( bDefense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area A' L7 R9 M* V% X* o' qdefense 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 / L4 |. b, n0 x4 H! K* CPATRIOT. " t$ V1 j) b. k3 G& u& TTheater Missile (TM) 9 w d: L" y' qA theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. ! a& ~# I6 A/ B8 w( ETheater Missile # V, d4 X v/ v& q: tDefense (TMD) 8 {0 B6 w4 ^% c: V. g T; KOBSOLETE. The strategies and tactics employed to defend a geographical area & n9 y3 j' {5 D5 j5 eoutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. ( S9 g% f# u2 I3 Q0 NTheater Missile Defense Ground- Based Radar (TMD-GBR) i# G, x* k4 A4 m8 K' ?A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as * S. k& i* C# ]THAAD Radar. Theater Missile Defense Initiative (TMDI) / }, O( Y' u- u* Z: XAn 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. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ( O! p/ b6 H, z6 fthermal energy received per unit area at a specified distance is generally / p8 c$ |4 V% S7 |5 n/ Vexpressed in terms of calories per square centimeter. % W l2 f) u. j( M, c4 V g, F0 Q/ NThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. / m7 Z4 J* S( c0 GThermal Kill The destruction of a target by heating it, using directed energy, to the degree 3 D3 {& A! R' [that structural components fail. Thermal ?) r( u' _- I* i" k/ I- U6 FManagement Technologies/techniques associated with the control and management of : F; ?/ ?9 d$ l. B* vthermal energy, its generation, dissipation, and recovery. Thermal # F+ z: `7 k7 u3 ]8 \5 b f* jRadiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 6 m/ z" |! F" F) w% [fireball as a consequence of its very high temperature; it consists essentially of ' s- B( X+ M4 G, R% Z" |2 Oultraviolet, visible, and infrared radiations. * ~) k" g- N; `4 N& g. M; F, BThermal 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 absorption of this radiation by the ambient medium, accompanied by an increase * q3 I' o' B; [4 r; `in temperature, which results in the formation of the fireball (or other heated & ` n+ m3 K0 n/ L. Bregion) which then emits thermal radiation. (See X-Rays.) + ] L, f$ X$ G7 G, VMDA GLOSSARY, VER. 4.0 T . e: n( o% b( m u! N' R0 j( q8 n# k7 l299 5 R, c: x# b3 |9 v4 b8 lThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 0 j( W+ y0 O5 Kit 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. Threat ) S% S: H( V% |' o& }Characterization ! S" {0 y5 `7 [% J2 G& yAn 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 $ W' l- s- P# w+ j. \targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management : ?! n$ l5 v, ?) Scomputation. . u* \" i* a+ x3 AThreat Scenario A hypothetical example of the employment of threat systems against ballistic Z$ m; }/ [! C" E1 cmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance K8 T P7 S$ {8 \" gobjective. : L7 {9 i2 J7 A4 a$ ]Threshold Defense A defense strategy that concedes that the target can be destroyed at a price 6 Y$ ?8 [3 @- I" wthat is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. ( t \ u+ N$ tThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. 0 t: s- K* e% t7 I+ D' qThrusted Replicas (TREPS) 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 phase. 2 g! S3 |; o) G9 q4 b9 bTI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. # ^- ~0 ~# K) s9 m3 `: n5 PTIBS (1) Theater Information Broadcast Service. - e8 G0 u2 p- U) a( _) v, S# ?2 m(2) Tactical Information Broadcast System. % c+ D5 d+ V$ t$ z6 Z(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. , ~# o. y9 x; p& WTIDP Technical Interface Design Plan. / E0 j% W* d& X7 }TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). " ^, o4 {, `4 {+ k, FTiered Defenses The use of defensive systems at different phases of the missile trajectory. D$ I; Q' E) U# @4 v% l% KTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. % x" z$ j, J5 ]1 u- p5 wTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 ) ?! w/ y# {3 n* j7 k7 _+ NTime-Phased % ^) v2 O* ~* K$ L% B0 mForce and . n% \& R- n8 J1 XDeployment List ! R( i7 `* k) f0 I$ M) @' L+ y; ?% ?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. : l/ Z# z/ h, L# Z( a3 ~8 i aTime of Flight , K/ K1 x o/ ]+ `(Max) 9 F/ X3 K" g& Y. AThe maximum time for a booster or vehicle to perform its function from time of launch. " q4 @+ @; j8 [7 Z: BTime on Station The time the sensor is in its operating position. 4 E# N5 Q I$ e2 J& q1 F, c" T) WTime Sensitive * ~/ w" n: [ N/ p* m: \/ x" Y8 d& JTargets Those target requiring immediate response because they pose (or will soon # p, B9 ]4 G; K: ppose) 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). 8 u3 g& z) E; V9 _% }1 ETIN Theater Intelligence Networks. 1 c0 _+ i+ I# WTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar $ s5 b% z/ ?! v3 B* b4 BTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. 4 j) U% l- j. Q0 u8 K kTitan USICBM. - z. D1 o7 v9 ^TIU TIBS/Tactical Interface Unit. ( c8 R$ Z7 O6 R" E2 O! MTIWG Test Integration Working Group. (U.S. Army) 4 w" Y v) O/ _/ a5 f8 JTL Team Leader. TLA Time Line Analysis. TLAM Theater land Attack Missile. / B, l3 a2 p D9 ZTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. ; _& U* B' }8 l1 \4 BTLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 TMD C 3 " H6 V6 O/ S/ U7 e1 g2 i8 uI Those assets that provide connectivity between and among Theater Ballistic " x$ o, t& b8 j' _- Q% T3 JMissile Defense forces. 7 X1 W0 ]5 y; A4 y1 jTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. 3 I1 e0 Y- x5 I! n$ {4 h6 ITMD ITP TMD Integrated Test Plan. 8 {/ D6 V8 W, I% f- @TMDAS Theater Missile Defense Architecture Study. 0 [. Q! t7 ~7 i& J5 _: N& _6 n2 uTMDC Theater Missile Defense Council. 3 U% Y6 _" L; k! j7 N: H) i: D) jTMDE Test Measurement and Diagnostic Equipment (ILS term). # @1 N/ L' e5 k! J% e; A0 Y, ETMDI See Theater Missile Defense Initiative. 3 d0 ^, L9 N1 Q( D5 Q' WTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). $ P0 X7 [* {: [& t& y: K3 mTMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. - y3 D; f! M/ m! {TNT Trinitrotoluene. , T# I2 A4 q& R7 u* [2 CTNW Theater Nuclear Weapon. D; ]2 |1 a9 i: u6 MTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. . |1 j; U& L7 D/ L9 F# x4 RTOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal , G" l9 E& {: ^7 ^. _* i5 g! rconditions. 1 A. v, I& O2 @TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. - c) J" ]( G7 T wMDA GLOSSARY, VER. 4.0 T 302 ; m6 U- J5 | r+ z( RTOMD Task Radar Management Details. , z( Y7 q5 q$ y+ _7 e. DTOMP Task Order Management Plan. , z; v+ e- x# k+ R7 Y% ITOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. & O' Y. V( F: A# T# T f( k/ QTOOL Target of Opportunity Launch. + R0 X7 c( s! E3 l- XTOP Task Order Plan. 4 P: y5 r2 ], H8 y4 C- ^' LTop-Down Pertaining to an approach that starts with the highest-level component of a 8 _6 Z9 e- |* g( i( v: Yhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. . p4 s& [, r. f# t) b/ {& {1 W6 CTop-Down Design The process of designing a system by identifying its major components, / c' F8 b* J2 A0 t% T* f3 odecomposing them into their lower level components, and iterating until the desired level of detail is achieved. Top-Down Testing ! U. f2 M2 X* Z O" V# @. mThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power : t0 H) } \. {technology to U.S. BMD applications. * z) v" c4 s0 `8 C3 O0 v4 i: ]TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. * |& c" o+ i% Y0 f2 W, L1 }& `TOT Time on Target Total Obligation 9 u( A# ?5 l5 I/ N; w& |$ i* X. CAuthority (TOA) 9 \: |; m5 U1 |' l- j U zA DoD financial term, which expresses the value of the direct program for a given fiscal year. 9 \! T- ]7 |; N/ D; G, }Total Quality Management (TQM) * b5 @0 b9 r9 }( r/ g, jA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. ( P& l2 U% D1 S& f( L7 uTOTS Target Oriented Tracking System : F: K: S# j6 x% kTOVS TRIOS Operational Vertical Sounder. 7 H0 k4 u+ p+ J+ K/ Q. KToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. ' g( @ W9 I6 O' `TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. ; \! K! ~: n3 f: z% G7 @1 zTPALS Theater Protection Against Limited Strikes. % x* ]0 O/ q/ |1 T6 [) TTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). 7 L# ?. P2 ^! p1 DTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. $ y, ^ N' M% l/ d# }TPFDL Time-Phased Force Deployment List. 9 a8 N" n" S; I$ V1 N3 Z* X" E! u& J zTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office + G1 }# w+ e3 R2 c# }TPP Test Procedure Plan. * X& X/ ^ _' m) P/ d8 ?TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target ' W0 m3 J% o N/ c) @# ]9 _Performance Report. ) g9 y" k# C1 m+ z" v1 n) f) ZTPS Thermal Protection System. TPT Theater Planning Tool. 1 N, m# V3 M5 n- i$ BTPWG 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 ; r% q) K& k- O4 b4 Rconstraints. / ]3 W- {8 ]+ e) O7 i3 a. L(2) The degree to which a relationship can be established between two or $ N$ D$ e, k6 x. E' \more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the + y: m2 `; y2 e+ }& [% hearth. Track 3 A) Y. W. {7 m+ g. t c' AAssessment 7 j7 B3 b3 G9 H" Q/ V) `The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. 0 ]. ~1 ~8 i, B$ Q: ZTrack, Birth to Death , L- `: h3 x Q% E! h9 {# T5 B3 yThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available data. Track Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time 6 I5 Z* W& W: j) T. Bor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 0 G# }: Z# d6 i' y K3 o5 L; e304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS # M: K+ X2 f9 X6 cmeasurements with irradiances with confidence of association; or some subset of the above. : ~7 H$ _4 d& OTrack File-Track ; S% P3 e* b0 S9 g, QHistory A 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 7 t* X1 {$ d, R- y* \4 `by filtering. , I: m+ N- B* |$ P+ }; WTracking The act of generating and maintaining a time history of an object's position and any other features of interest. 4 B8 C( M- A6 M9 x" xTracking and Pointing , @) ^# [4 q8 W; r ?' K& kOnce a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing 0 h7 o3 Q. W% k( ^are frequently integrated operations. Tracking Range (Max) The maximum line of sight distance at which a sensor can maintain track of an object. ! F% J% A3 P( ~9 v @' CTrack 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 1 \7 I0 [8 {/ u, t0 I" E O* B+ jframes. ! c0 u% {3 S# F1 ^5 @Track Production 2 O& T3 ?5 G6 T6 ~4 u8 PArea ! ` s8 r! K) E) KAn area in which tracks are produced by one radar station. 9 r* Q# a+ o7 b8 m" F4 lTrack Symbology Symbols used to display tracks on a data console or other display device. ) b }8 T+ O) \4 N1 D( WTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. * Y p' B T! Q5 aTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. ' E4 T8 n1 _" o' {5 ^TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability ! s5 ?, m% A( eMaximum The maximum number of objects per unit time which the sensor system can ' v" R5 M6 g8 dmaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high + Z' _# ^% l/ _0 {$ k( Eendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. , T7 }! W* [, r0 A8 H/ H$ WTrajectory The curve described by an object moving through space. 6 `' H- }" Z3 @5 r: fTrajectory Histories Trajectory information on targets recorded over a period of time. 0 [; H7 o6 H v/ ?# d2 }4 cTRAK A data base management system (not an acronym). 2 l2 E0 j& V: W/ s" o' G X% b* LTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 5 |9 t# y7 _+ V# }0 S305 9 B/ q& X2 {7 qTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. " `; O: A* N1 r' w! J4 ?+ |TRANSEC Transmission Security. 5 t6 O, i# ^$ H" L/ ]7 q8 ^Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. . ?8 R& X( q a; o4 T# \5 uTransition to : K% Y% \: W' YProduction A 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 ensure the system is ready for manufacture. (See DoD 4245.7-M.) 8 }7 L7 v2 u CTransmission Security % v0 L9 ]! \) W, P2 v Y5 ]) @, d(TRANSEC) / B3 U2 O& W- _1 }That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 5 X6 E( ^* E. g+ \COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative 1 Z: ^! A: f" z2 B) Espeed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. 3 B; }5 t" b: D, I% k9 m* _Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. / _4 W4 y/ C- S: h4 d7 _ ITRAP Tactical Receiver and Related Applications. . T! c4 R! J; ?, ~# `' P2 A ~Trap Door A hidden software or hardware mechanism that permits system security 0 k5 G. b/ C+ C. E8 K# Xmechanisms to be circumvented. 4 T( a* n* [$ F6 N+ J/ x9 S- CTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in 4 N+ [ j# g- z& |1 i# E5 [% w/ b. ethe microwave region. " W! V& S% |; cTraverse (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 points on the earth are obtained by or from field measurements, and used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. $ Q/ y& r h2 G3 z/ hTRB Tactical Review Board. TRD Technical Requirements Document. 6 ~& C6 I! V k2 A# Q* QTRE Tactical Receive Equipment. ; C. Q& v" [; G U2 q5 ^6 g) LTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. 9 ~ C3 b4 c) O+ d rTREM Total Radiation Environment Model. " n5 G" e0 w2 h2 C9 c/ yTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. + q2 z+ P) ^; x- EMDA GLOSSARY, VER. 4.0 T 306 " B' n( [3 h+ o; a/ ]- QTRG Threat Reference Guide. & ^# U' q! v$ k5 y% ?4 f5 zTRI-TAC Tri-Service Tactical Digital Communications System. ) Z5 c: _) n8 Z0 I3 K& w1 V2 FTRIDENT Class of US ballistic missile submarines (USN term). + W9 ?* f7 O0 E5 @" M8 oTRIDENT I (C-4) US SLBM (USN term). . f# Z! T8 p0 {+ R/ M. ]TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. $ S( ^! @& q. K, R, O2 l8 y- f3 |TRN (1) Task Requirements Notice. (2) Test Requirements Notification. 5 w& D8 v, w1 m2 U L2 fTrojan Horse A computer program with an apparently or actually useful function that contains ! s- R$ N1 ?5 I5 ladditional (hidden) functions that surreptitiously exploit the legitimate 5 H, D$ d9 o; d* L! k# b& Rauthorizations of the invoking process to the detriment of security or mission 4 a0 i1 @" f* u# i2 D* G Lperformance. 1 ^' u9 |' c8 ^TROPO Tropospheric Scatter. ) m" e4 h; \0 i8 n! L' n& L4 lTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the ; @8 X7 Q# o0 ]. ?/ _$ ctropics. (See Stratosphere, Troposphere.) % M" I& b0 V* H2 g' h$ D' h- kTroposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or ; f5 a- e/ B: c8 dless complete. 6 X0 Q( e7 V8 S1 Q& HTropospheric 5 m7 I2 P' k; N$ L5 \ CScatter ) u1 f5 e& k6 P& C) }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. (3) Technology Readiness Program (pre-acquisition program status). # R3 l7 Y5 a# o. w8 e1 @8 |- ?; o(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. # E8 w) M' s$ ?TRR Test Readiness Review. Trusted ! ?/ z l$ q4 v0 b3 Y' ^Computer System/Software & t$ H. L7 L9 p+ vA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. - Q4 O8 \ G {2 R) K e( XTrusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. 4 m: R* `2 q# O1 J. F1 {TRW TRW, Inc. 5 E4 Y2 j5 g) \1 N. w/ \6 ITS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 5 W; W2 e3 k. {8 I" B8 g) VTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. / Z J: h7 u3 a3 b, |; l- ?* pTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. * y) H3 ^" _/ I. \3 `TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 9 ~ o+ u. Z3 ]1 V: LTSM TRADOC System Manager. TSMA Theater of Strategic Military Action. o) J: E5 g( j( d5 D9 WTSP Target Support Plan. 4 d& Y% C. L, Y6 u+ {3 j5 j( ITSPI Time, Space, Position Information. ! |* ]) L0 Q/ ]0 _TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. 7 j- X' V6 b6 U9 i6 U, P) TTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. 1 k/ i% L$ G$ fTT Total Time. : v6 V9 S, w5 s8 GTT&C Telemetry, Tracking and Command. 6 z7 E4 P( X+ |, jTT&E Technical Test and Evaluation (Army). 6 \" I( r; u d. P6 V- RTTA Total Time Accounting. ! w: X( }: p# K; y# Q$ KTTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. ' [! R% a$ o5 k7 e: B$ N) GTTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have significant potential for improving testing. & @- j9 X5 D j" u: L2 R! tTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 ' m7 J' z* h! a. {/ f6 }& B; O2 m1 ATTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. 5 r( ?5 e t7 g3 RTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. 2 u' y2 _" L' oTVM Track-via-Missile. TVV Technology Validation Experiment. ; j- ~7 [2 o. D5 f6 r c+ ~+ {, oTW Tactical Warning. 5 G- Y6 E1 r# k; I, e9 O' OTW/AA See Tactical Warning/Attack Assessment. 4 V M! O. F4 K; s+ V7 cTW/SD Tactical Warning and Space Defense. R) G e( B8 }0 UTWG Technical Working Group. : o. Z' S8 C8 M5 S. r; L) sTWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. 7 k E: u+ j" M5 jTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). " _" u. Y( K/ vTY Then Year (PPBS term). TY$M Then Year Dollars Millions. 0 {) b; u/ J6 l# F& VType A - System Specification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - Development $ @+ B# e3 c9 x' E. ]7 W9 u! oSpecification + C9 J2 |: Q8 ]8 bStates all necessary requirements in terms of performance. Essential physical : X& b) [8 y' [* z; b" g X- H5 cconstraints are included. Type B specifications state requirements for the : D9 |5 b, }2 R& {7 jdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of : ]5 L: k/ w( ~( V j& b& r7 Kthose characteristics. . H& T) d8 g0 ` M' L6 YType C - Product 4 ]$ p3 ]- y0 j; p$ l# z' fSpecification Product specifications are applicable to any item below the system level, and $ B" z+ D4 u6 `4 b. r2 \/ A! c# m3 lmay be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) " \: w( y0 y: i1 ~% P% ]4 Urequirements. Type C specifications intended to be used for the procurement of items including computer programs. 7 d0 }+ `9 L: B7 K9 J0 P7 `. K" wTyphoon 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 8 Y- z( A/ ?& D h1 x! j$ a# robjects (i.e., SS-18, SS-24). " ^! D' ]$ V B/ L3 |& d3 f+ _4 T, UMDA GLOSSARY, VER. 4.0 U - p( \8 \# q2 E; I. A6 Q7 `5 R9 H309 U Uranium. ) I2 ^! c$ a$ ]0 y( x; ^U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. 0 e" n( N2 l/ d+ T# q2 _7 u. h' k$ s# ZU.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. $ z( I7 `1 m8 Z& Q3 UUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. $ E- ]7 l' J0 ?" p$ H( ?UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. " {5 q/ }, _% zUCAP UAV Combat Air Patrol. ! q! P% q4 b8 y% J# a' gUCC Uniform Commercial Code (US legal term). ' r2 X8 C. l+ ~1 q) wUCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the ) E$ S5 K! v7 I, s$ Q$ s/ n8 \& ?! gcapabilities and plans of test ranges to support program requirements. It $ O1 F7 `+ W: k0 j& W3 o: qconsists of a series of six planning and execution documents: 10 are the $ b c0 L9 @& a3 \Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) ; P5 f# G5 P6 q; COperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. 2 Q! Y2 N0 f9 \- P9 F ^UEWR Upgrade Early Warning Radar. , M7 C& E& |% M8 xUF4 Uranium tetra fluoride. 4 H4 O+ U6 E( E( ] d8 R- Z9 YUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 2 F$ u; ?- m: M8 N3 X9 TUFP Unit Flyaway Price. * w, S' X3 H/ W( j* D4 j( O6 yUGF Underground Facility. UGS Unattended Ground Sensors. ( P0 b, m# I: kUGT Under Ground Test. " `3 u- A! t/ e( JUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. ) h: Y3 Y5 t: f& ?% M5 \; RUKAS (1) UK Architecture Study (2) UK Associate Studies. # h( P9 f- n* d. dUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. 4 }9 U1 u" ^& `* @. BULSA Ultra Low Sidebobe Antenna. 6 o \4 n3 F$ j% ]% B6 T& p4 cULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet & ]8 \3 M& c% F2 J. h" }(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. 7 L6 V' S; c/ wUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. Y' Z- }9 o, |9 T' \# HUNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ! |1 V& k7 `6 W* Yincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, + q* e) I$ [' V5 E+ T6 O* L3 N- qcovert, or clandestine nature. Unified Action Armed Forces 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 more Services or elements thereof are acting together. 2 `! q4 x. q$ ~. {6 a! FUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and ; l4 j) t4 p, x- s. X2 s/ v# V3 \2 ywhich is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. . |, j( @5 p, S5 lMDA GLOSSARY, VER. 4.0 U 311 UNISYS UNISYS Corporation. 8 k- j4 W5 l2 Q8 @) E2 vUnited States Army Space Command 8 m7 _' w. x+ }1 b(USARSPACE) 1 o8 \2 Z1 D- r% ~, B5 e+ WThe Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command & ^6 O8 Q4 o4 [6 `1 N: p" _(USSPACECOM) The unified command responsible for planning and conducting ballistic missile 9 t; `. C$ c. a3 c$ ~; c- V" vdefense. Located in Colorado Springs, CO. United States 8 |3 N; V1 H6 e" c- N- KStrategic " l+ u7 h& I& ]! g( o. v2 a+ W1 WCommand 2 S$ T1 G- c' r(USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic . o$ @7 c# m5 J( xmissile offensive combat strikes. Located at Offutt AFB, NE. United States ; @# w1 D: x4 y, ~ NTransportation 8 \+ t6 C {! qCommand (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea 3 s0 K1 a! g3 t8 i4 S) S7 gtransportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and 0 i2 z/ H: Z# g1 x6 xterminal services, and commercial air, land, and sea transportation, including as # r8 `% O0 }/ nneeded 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 ' b7 ]+ ~, \5 L$ PAFB, IL.

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Unk Unknown. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. 2 d5 I; ?/ G9 W2 |4 j' PUNSC 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. - v% Q. \ e( @" C2 W1 i1 kUPS Uninterruptible Power Source. # r0 x. x$ t, `$ B0 n. A H& N1 LUQT Unit Qualification Training (ILS term). $ Q% B( f4 {: @# eURIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). 5 s6 [5 ~" N F+ gURT Upgraded RTD. - ]; g+ u3 W T! @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. USAAE U.S. Army Acquisition Executive. 2 E4 g ?& i; U. J+ t" j! LMDA GLOSSARY, VER. 4.0 U 7 C; J, d: l ^2 f4 f: L. N312 2 y$ u( ~" F! p9 WUSACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. 8 ?! x; {- B9 I) vUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. ( u: s9 ?( F6 ]" x6 ?2 rUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF ( [) b! a9 Z) p% e- JSystems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 6 V) K. h( e# o: ~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. USAFE U.S. Air Forces in Europe. 4 J3 b7 K! M$ [, ^8 uUSAFLANT U.S. Air Force, U.S. Atlantic Command. - H4 z6 j$ _9 N& jUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. 4 V' ?; m4 J2 Z$ NUSAMSAA U.S. Army Materiel Systems Analysis Activity. - j3 v+ w! R0 _# g9 G& Y) d3 UUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 3 ]1 o/ W0 b; P. Z9 _4 \& w5 XUSAOTEC 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. - S1 B' {9 L0 G2 M0 B3 C) \USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. 7 Y9 b' r) c8 _& [+ ~! r! b6 iUSARSPACE See United States Army Space Command. ( V* U- a0 C8 C5 \1 u Z1 ZUSASDC U.S. Army Strategic Defense Command (<1Oct 92). 1 C( S% ] z- `1 |USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. + \) H# Y6 @+ n' a# a+ t2 `USC U.S. Code. * v9 _' M0 A( q' O7 Y2 H; ^0 dUSCENTAF U.S. Central Command Air Forces. * N0 b& p) X/ e! u, bMDA GLOSSARY, VER. 4.0 U 313 / a5 o' M% v$ j/ v, BUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 2 ^/ q6 W, j9 r: W* A* [USCINCCENT Commander in Chief, U.S. Central Command. ( v2 ~9 i. A/ g& e& Y! `# u: vUSCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. 5 i# l! }) Y& N9 { S) ^USCINCTRANS Commander in Chief, U.S. Transportation Command. 4 r+ R4 n' J3 ^# u0 MUSCS U.S. Customs Services. 0 o Y# R4 p. nUSD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). * M7 ?* J. S! ` @4 }/ YUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). & m- O7 D1 z( vUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. / T g, J0 i$ f- @" o! oUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. 4 `: J8 P& o& i: ]8 OUSDELMC U.S. Delegation to the NATO Military Committee. 2 F6 Y* W' r2 vUSDR&E Under Secretary of Defense for Research and Engineering. ! v5 n6 d+ o1 @) XUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine * U/ h6 h. c, n2 q+ G0 v(hardware) or program (software) that is compatible with a person's ability to G3 Z* a# r- [' E( U3 u' Ioperate it successfully and easily. . O& F: j" z! Q6 e; QUser Operational ! E8 B& B% h7 w, ]' UEvaluation 3 E* L/ N% V! ? @+ y/ vSystem (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) , B( S' T) Q) ^) s# u9 ~contingency defense capability should the need arise prior to completion of the ! `! \5 m% u; i0 unormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. , {3 k. P( m" ]8 G6 `% X# uUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. 9 _4 N" K0 h. L4 PUSIA 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. 5 N5 J& u# K$ E# w- _5 Y; cUSMAR- " I3 O' _$ I1 {" q' |FORCENT $ w9 j9 Z) c% \& [+ HU.S. Marine Component, U.S. Central Command. ; N0 q* ~, z) U% h1 L# {% wUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. & [1 L) X5 _* h# p) _. rUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. % q8 I6 [" u( X# \8 IUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. 8 f) U- c) H" P. ]USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. # E9 @8 t+ {4 Z: _USPACOM United States Pacific Command, Pearl Harbor, HI. - R) }8 a! Q% y8 C( U+ Q! Z6 Z2 pUSREPMC U.S. Representative to the Military Committee (NATO). & p* e1 ?8 {( O% B) \% tUSSC United States Space Command. 4 f/ x- f: L oUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. 1 v; |/ G2 \) f6 j8 L8 LUSSPACECOM See United States Space Command. 2 j+ y$ |0 p. E9 tUSSS United States Secret Service. 5 V- O$ O5 J2 z7 b6 S6 t* [1 qUSSTRATCOM See United States Strategic Command. 8 D& ]$ [ d; I( G( T: H& b3 S' R2 BUSTA United States Telephone Association. 8 c! o H# |- V4 O* |& K1 ZUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. 2 ?0 P6 x! @" n1 z j8 H* A/ ^1 `MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). 9 ^3 x+ {4 @; h* |* `UV Ultraviolet. UV Electro- . o/ ?, t# R5 ?" b4 Q! hOptics . z, U$ {4 i2 u# PTechnologies/techniques employed by optical sensors in the wavelength * e! c4 h9 I8 v( J2 f6 Mspectrum shorter than visible (e.g., less than 4,000 A). 4 @# R- G6 b3 G" ~- vUVPI Ultraviolet Plume Instrument. % A& D/ X" k7 e ?UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 6 d. ]7 B5 d+ ]- u; B& N316 V Volt. 0 m) {5 Q) W% r! m1 {6 b6 oV&H Vulnerability and Hardening. 8 R+ P. `: {3 Z; L' [0 Y1 H0 U9 ?V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real 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. VAR Visitor Access Request. . T {3 e8 n! a3 K1 FVariability 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 factor introduced to average the effects of orientation, minor shielding, and . {7 g, d: C* c. j, buncertainty of target response to the effects considered. . X7 E' {+ p2 r/ IVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. 5 n: F @" n9 B# \) eVCS Voice Communications System. 4 r, ^, O, v) S# } g- [VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering ; O( `4 x, t" C4 D4 L1 [$ Jrepresentations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end * t4 F, u" d0 f7 ]0 rof the development process to determine whether it satisfies specified - C- U4 k; ?0 `- P l$ H% M- ^: ]. ^requirements. VESA Video Electronics Standards Association. * [ s0 |- R3 pVFR Visual Flight Rules. " B3 a" l @7 i+ w$ h1 wVGA Video Graphics Array (Telecomm/Computer term). * P2 r n2 }4 T- ^9 u, `9 }VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 2 M- h6 {2 k6 K. \) j6 |* J317 - C+ X' K2 g/ W0 ZVIDS Vehicle Integrated Defense Software (USA term). + k" h/ s7 {; _VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 # {$ T# u, P) h9 }& I* ]' s4 NOperation 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 . M* V% a4 v4 S. k7 P) ucameras capable of tracking targets that can be detected, identified, and & q+ {% g4 @9 m# Nprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. 7 y1 Y {; s7 Z8 G1 IVIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) ! f" e e7 m. ]5 eThe horizontal distance (in kilometers or miles) at which a large dark object can / I4 O( I. L! s+ d( Ejust be seen against the horizon’s sky in daylight. The visibility is related to the ! x4 N, T" R2 Z& K6 h% Wclarity 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 0 E; P+ b4 t; |; i5 Y; ?Technologies/techniques employed by optical sensors in the visible portion of ) I: B4 M1 K5 ~* Y) f0 E' hthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. 0 o7 q; a& d2 j d2 o( uVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). 1 L5 X" j2 `7 XVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. . B, x0 e4 a! E. i# h' gVTC Video Teleconference. & G$ W8 M# s ?! v; T! Q' k* d7 vVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. $ {* R5 S# ?" _1 F- fVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 - s! h3 j9 I8 k9 M$ @Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. ) x' x7 g% K0 ^4 ]! M2 oMDA GLOSSARY, VER. 4.0 W 319 ! A0 ]3 X; n# A, [, w2 |( _/ t4 GW/ With. w/o Without. / ^6 X0 @7 }0 ] G& {; yW/TD Warning/Threat Detection. + S% I. F, s( f/ d& F$ k! Z* J6 wWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. ( T& y1 U7 ^$ M+ {WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. * G- u& i% N+ j- a7 ZWAN Wide Area Network (Telecomm/Computer term). 6 v4 n0 o4 f. b, {* {( {9 E9 kWAP Wide Azimuth Probe. - Q9 F) _4 g" \4 n1 v: ]War Game A simulation, by whatever means, of a military operation involving two or more 2 E$ X& I5 }3 L! Kopposing forces, using rules, data, and procedures designed to depict an actual or 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, 4 k: F+ w$ j: a" w4 Q5 l4 ivalidation and accreditation, and support CinC/Allied wargames and assessments. 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. % q. ?- T6 g) t* A9 j: IWarhead Section A completely assembled warhead including appropriate skin sections and related 8 _) e5 C T: W D8 _4 J0 Hcomponents. $ A( ^! a+ v+ X! Z9 o4 mWARM Wartime Reserve Modes. . G. y M; _. [9 m* U$ K, ?Warning of Attack A warning to national policymakers that an adversary is not only preparing its 4 {4 ]1 }& i. h1 _armed forces for war, but intends to launch an attack in the near future. 7 E7 B6 K C, PWarning 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 % V X3 C( [9 J" {4 M- s' l& XModes (WARM) Characteristics and operating procedures of sensor, communications, navigation / a5 l/ a, S* j5 {* ]/ |! Naids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing ; W" y4 ]! \; lcommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. , c( i: x/ q3 ?* u8 ?" eWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. - A' r# k0 T; F5 [' C* l. jMDA GLOSSARY, VER. 4.0 W 320 - y% N5 p9 M2 \1 J9 oWASHDC Washington, District of Columbia. x& \0 k- a% N1 B+ x1 XWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. # ?. y5 @# K; F; X XWatch Condition 3 m# Z- |! X' S+ u+ r3 B7 u(WATCHCON) ) v$ X. a% e! e0 R/ r) eSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. 7 i4 @- g. U$ _Wavelength 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. / J7 ? ?5 M: y1 X. SWB Wideband. 9 X( v! B' y" J/ P! D/ xWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. 5 K) n' G. l; ~- fWCC (1) See Wing Control Center. (2) Weapons Control Computer. 6 [) K R9 T* h$ j+ l8 GWCG Workstation Computer Graphics (Computer term). 3 v! E$ G! I2 o; y, l6 N2 ^; v# YWCP (1) Weapon Control Processor. (2) Weapon Control Platform. ( a: H' u# ^: ?, z) W# yWCS Weapons Control System. * y9 ]( a4 r2 @: PWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be & G1 ^& G% d: L2 m! D' }launched.