航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council * g8 N9 v- \$ ?) `* u2 A+ @(TMDC) A consultative body for considering TMD family of systems planning and - x; W; e; l$ i* _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 5 p! F# d( e9 j( O' j; Iand Program Managers. Theater High 8 D+ K3 A0 B& j. RAltitude Area Defense System 1 q0 @! Q# N) ?(THAAD) 9 A" G3 f h# r) W0 H0 s, m. Y% KA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at % Q$ y8 s! ?0 A2 Q" C* U6 {greater distances. Will provide an overlay or upper tier to point defenses such as 7 U; Q- L. V( G9 nPATRIOT. , B- {0 u N! kTheater Missile (TM) g( L. x2 V% H2 {; V U8 G1 L7 cA 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. 6 F6 ~$ A' O+ m; C8 kTheater Missile 8 C. a$ q5 N0 P$ X6 E6 c3 XDefense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile 4 \, ?( V0 C. b# hDefense Ground- 5 M5 N7 e3 K0 c4 @5 ABased Radar + h- s- ]1 T% K! n" I9 n(TMD-GBR) 2 k6 V: f4 u3 P4 eA ground-based, air transportable sensor that provides search, tracking and $ N0 I" A* Y3 F' | Ndiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. 9 e+ q5 L8 B. N( X5 ?0 ^" k" o NTheater Missile 8 v/ ]% D, A) dDefense Initiative (TMDI) An initiative under which all DoD theater and tactical missile defense activities are # b5 h/ Z) y- w$ @! |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. n3 n# y# G' ^& R8 ? UTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 2 b6 Y, V; x4 {. P( i5 _: JThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or " f) w! b& R# i. D9 L; M( B. ]reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal 5 }; M$ [4 K' s( @2 f8 u* ~- C3 OManagement Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. & A: b2 W7 w4 } J" [. f' v0 WThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 1 p8 E \+ A" G: O# I, Wfireball as a consequence of its very high temperature; it consists essentially of ( a" P- K; C \( v/ vultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, $ Q& q" p/ W# Bemitted by the nuclear weapon residue by virtue of its extremely high 3 W3 R$ L6 `4 gtemperature; 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 8 F4 i" m: ]& h* ]in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) 4 A7 Y! Y9 @ G& }MDA GLOSSARY, VER. 4.0 T " @( w9 H+ a" Z' e6 Q* O- ]299 2 _* o9 u! o* c5 r) \Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting * K+ F, S! t9 S p4 C& Oat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 2 b0 G" N+ ?# W. xexosphere and most or all of the ionosphere. Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor ; M0 x" z0 {* ~: i5 c(Threat Tube) 1 `. m$ Y- C. l; U- D! t- mA tube containing all the objects originating from launch sites and aimed at ) j9 Q9 T1 h: L$ r6 @1 ytargets whose spacing is close enough to permit the tube around the object ! U, ?$ `$ q% e6 u- C6 K9 y! Ptrajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic & g( a6 `$ t# Q. M; T, V: m' y" ]missile defenses for the purpose of analysis and evaluation of those defensive 3 }& j7 T; @1 \0 o& F; r& K* o) gsystems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable 2 O# P, p! I. _! U+ t2 D+ U6 b6 }value (threshold) required to satisfy the mission need and a performance 2 K$ P; T; K0 j( N/ k" c2 B$ aobjective. P4 ]' g% h9 ZThreshold Defense : r% F/ C: ?8 y; c$ R# NA defense strategy that concedes that the target can be destroyed at a price ; k# q' ~5 i! a. Q( A! q1 Tthat is not prohibitive, but the presence of the defense is thought to require the 0 e$ F/ A( U; T8 Y o) E p# w" U: @offense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. * P3 N( X$ I! Q3 X4 v5 A9 v: fThrusted 7 |" c9 N9 f: RReplicas (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. 7 g* B" x" F& o1 |: N |" {TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. 5 t2 y% K9 k, E$ D(2) Tactical Information Broadcast System. u* L& {$ o: b8 R2 [4 d& @, z& |(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 1 `0 t# _; T9 s u) nTIDP Technical Interface Design Plan. ) J" V+ z/ ~- A% i$ KTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 0 w2 i6 ?5 `# i/ J! X4 hTier An integrated set of SDS elements that address a particular phase of the threat ' S: z" W' \8 m(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. + J; G! C( T# }% K# L5 _TIES Technology Integration Equipment System. , }: m' b* {: a R. u2 A, YTIIAP Telecommunications and Information Infrastructure Assistance Program. 0 h* S! Z& U8 I s+ n8 e8 ]* w: i; XTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. $ y. F/ T& j4 J9 iMDA GLOSSARY, VER. 4.0 T # v! E+ ? j1 r4 y+ @& ?/ K. @300 Time-Phased ) n" G8 G; m! u6 N* M& w0 BForce and & h( ~8 `/ Q! b3 t% N4 pDeployment List 4 U. j9 W1 g/ L9 G/ \/ T5 r" ~2 IAppendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight ' Y6 ~: V! G9 N. y8 s- ~, g(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. 4 A' A! N! K. C- Q# ] HTime Sensitive ) v2 v$ E" C- V2 Q) m D& jTargets 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. 2 U0 ]# a I! o0 `! t% q9 \& _TIMS Training Integration Management System (USAF term). # i& q, @2 u s" E! QTIN Theater Intelligence Networks. TIP TOPAZ International Program. - i S+ t7 o( ITIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar + w5 M% ]+ H* }: ~$ j$ q. bTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety : ?! v" h' Z* F; ]- S! PTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. 1 R& e: O+ `1 ^Titan USICBM. TIU TIBS/Tactical Interface Unit. ' }; B5 i9 k# n5 A5 hTIWG Test Integration Working Group. (U.S. Army) 4 v; w6 P9 t9 Q. J- qTL Team Leader. TLA Time Line Analysis. 2 i ?* y+ |- r( m8 U% ]( GTLAM Theater land Attack Missile. ' p4 o. o0 D% z, N* v8 z/ yTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. : I0 N+ v+ Y( D5 B x7 s- a$ eTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army . X+ E f1 ? k) N0 p" y: @term). " W; H$ p# y d7 W$ G! sTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. & |3 r4 c v1 R8 i$ p$ [. LTMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 3 A( Y$ N& v7 A5 b: Y. K G/ mTMD C 3 2 s. w4 t1 G7 sI Those assets that provide connectivity between and among Theater Ballistic " t% L7 u; B' U% N& gMissile Defense forces. & v1 `4 O( T- ?TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 0 s# \1 e6 [- K4 ?TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. " ^/ n, s' o* \& ATMD ITP TMD Integrated Test Plan. ) M* m: k( {4 t! mTMDAS Theater Missile Defense Architecture Study. . h* o' [* y! j A$ s8 KTMDC Theater Missile Defense Council. 8 [+ j- y7 ^) ^0 lTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. 1 ^) D5 g2 a3 I; A; ?; x6 `' ]TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). " s+ d3 T, V& h l0 p9 s9 h" A1 iTMPCU Tomahawk Theater Mission Planning Center Upgrade. 4 I7 s' X, R7 q1 {! }. b5 |" d5 yTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 8 H4 I# X0 _/ T5 Q1 bTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. . ?5 p1 c% E; `TO (1) Task Order. (2) Technical Order. ; I0 |" ]: Q: ~9 {% L. DTOA Total Obligation Authority. $ Y& B7 Z" B) v# [1 e% S: nTOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. ( [( ?5 F. H; J* g; p+ z" eTOI Track of Interest. TOIA Task Order Impact Analysis. 3 _# n9 n Z, N" `2 S2 L! GTolerance The ability of a system to provide continuity of operation under various abnormal conditions. ) a5 k5 O" e3 R. ]+ }TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. 8 h+ [8 B1 v0 U' S: B9 e8 VMDA GLOSSARY, VER. 4.0 T 302 + L& Z% }! E; |TOMD Task Radar Management Details. " |3 n; c7 t; F: mTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). 4 Z U+ ]6 V% o. I8 p# k8 `TOO Target of Opportunity. TOOL Target of Opportunity Launch. " u# _& X8 D8 n3 `; k# hTOP Task Order Plan. ' z! ?8 U4 A3 F! t3 oTop-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. 8 M" T; w, Q9 X( oTop-Down }+ g k3 {6 Z8 M1 L5 `Design & S+ _% u) Q# O7 q/ j9 wThe process of designing a system by identifying its major components, + s Z" I& i$ {; h( F: v- \+ o1 ndecomposing them into their lower level components, and iterating until the n( f3 a* H) O- b U5 X: Kdesired level of detail is achieved. ; U3 J: V4 c5 N K) a1 zTop-Down 2 u& F' i0 z/ E; D9 ~; f9 F: KTesting The process of checking out hierarchically organized programs, progressively, % ?8 i8 R9 T0 O ]& l# T; Kfrom top to bottom, using simulation of lower level components. : s( X2 d, z/ ]/ \- X% p9 p# g4 `+ uTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. " T' U4 |+ ^! |+ h3 s) W( P% FTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. 3 s) _- v9 o1 X* l! NTOT Time on Target - x/ O* H6 i2 a- O& I* }2 R& jTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. / ?+ X# m7 p h9 ?* CTotal Quality L; O* o2 ~* p$ Z( {/ u3 |& Y* ?Management ! U, I( C, N- u, j) l7 {" L(TQM) % @- d* I! x8 X Y3 O$ Q W2 O" zA management philosophy committed to a focus on continuous improvement to 3 d: c# l1 L7 c n. L3 Tproduct and services with the involvement of the entire workforce. ' C( r- J; F! O7 J' X) cTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. 4 {$ p; Z" h8 O% \: t' W0 UToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. 9 w6 G. ?2 o: [' L0 i4 Z9 _0 y1 kTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. 6 M o- u; {7 w$ S/ o I! z. ATPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. ! D" X; o5 ?) i% G ~2 Q, rTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). ' U3 R# a; e' N5 NMDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. : { Y$ _8 V+ E/ z# B( M( sTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. + ]) K. S5 r4 o" t/ WTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. 9 r, [2 A# Z$ b# z# X& i* wTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). 7 e7 D- r! \1 w/ VTPO (1) Test Planning Organization. (2) THAAD Program Office 2 n+ }$ v; X9 Q5 d3 [TPP Test Procedure Plan. 0 o) s$ _% D/ f r& C5 iTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. 4 _# S& b0 \* {4 @" M' z* {/ q4 TTPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) ! s4 r/ m6 p, f' ^8 H% STQM Total Quality Management. 4 t6 ?9 V0 R% z S5 m# [1 {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 ! @' v5 _4 H( E% dconstraints. $ |; Z- h& U# L(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate 7 L( |. k0 ~, }1 ^# q# Srelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. 0 m ~+ N0 e G/ v7 }0 D# {(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 earth. 1 ^4 H6 a+ G( a1 nTrack # @4 {7 f0 C, ~+ |! `/ kAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly 4 e M8 M- a% x& Y+ Bin the track may indicate a hit. Track, Birth to ) R6 k `+ U, ]# N1 ^4 O9 YDeath ' \$ R1 q( m3 A. e$ q, z1 E! LThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). 5 r+ h! | @& A: D# k3 I+ GTrack Correlation The combining of track information for identification purposes, using all available data. Track Extension This term usually applies to improvements in track estimates by use of new data. : O( Y% G: H2 j4 T9 d; QIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). ) R. N/ k: ]/ F; z4 g+ d8 lMDA GLOSSARY, VER. 4.0 T , P+ A$ \, r% L! o' V- A0 s304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of 0 @+ h" v: A7 H# i$ J) Mthe above. Track File-Track History A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. - K, B9 @; X; w( F5 |8 c% I. `Track Formation The process of determining the track or tracks of detected objects. It is usually a ; K. `( l( `* N" ?# Q2 j$ ?' I* A cthree-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. , c1 R) n$ b; z( e7 i2 |- |- c9 pTracking and 8 w8 l! N3 j2 M! r, Y1 ~Pointing Once a target is detected, it must be followed or “tracked”. When the target is ! G& Y$ u# [- s7 s4 Gsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. 3 D7 l; u8 b' GTracking Range (Max) : [+ W) g) e1 C3 B8 r C" N& BThe maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of 5 v0 [/ T0 G: d& I+ L( wframes. ' D- W" m. O: Z. A& t0 nTrack Production Area An area in which tracks are produced by one radar station. 0 I A; }- S1 f# MTrack Symbology Symbols used to display tracks on a data console or other display device. j# |8 ?4 A$ q0 Q5 s4 i" M9 pTrack Telling The process of communicating air surveillance and tactical data information 8 z- m+ M# r% s8 Fbetween command and control systems or between facilities within the systems. 7 V2 G$ Y% ^5 ]; Q/ I STelling may be classified into the following types: back tell; cross tell; forward tell; 1 y- z# z3 ^6 |- ^7 {lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum / R( U& c5 G( ~# IThe maximum number of objects per unit time which the sensor system can maintain track files. * s1 \1 f4 T( i3 z- E. BTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. % U6 K) x/ M2 L" j: VTrajectory The curve described by an object moving through space. Trajectory * r8 P1 T6 I2 gHistories # \5 ]8 q7 B' Z) q- |Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). $ y3 c, i6 Y, r) pTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. & B) Y* \+ j3 q8 VMDA GLOSSARY, VER. 4.0 T ) J4 a3 s3 c) n: R8 z2 J, l) C( G305 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 4 P, {3 o0 g! q- ]$ [development to production. It is not an exact point, but is described as a ; ?" y9 j- G* M: M: dprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) 3 ] K, [2 q# u. t- ]Transmission 9 \+ ?, l4 b: A4 L9 ISecurity - D$ v. \0 B! x+ {% z) i7 r(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 5 m' A, J/ G$ sCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative ( _1 }3 }% O; r c) x6 b" O S* zspeed 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. 6 Y' H1 l5 t8 {7 P( N/ l$ \Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. " g* f: y' w( wTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security - v0 {" R; T1 h4 i4 |0 imechanisms to be circumvented. ' g a( j7 N! Z- Z kTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or - @$ U/ c8 ]9 E5 Frepeatedly 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 1 ]( `+ d7 h5 ]) `* ~stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. ! O$ z( T! R d& T/ d0 a2 y: f- BTraverse (1) To turn a weapon to the right or left on its mount. 6 F1 Z S7 `4 M/ Z' D/ }: d6 T(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 9 t/ J- x3 ~+ M8 vused in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both 6 n! ]% I" P n- k1 L7 Uas a height and altitude, at which aircraft can cross the area. & A% } A0 i! J4 k8 X9 ETRB Tactical Review Board. ; T; a8 U! u, g S4 vTRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. 3 y0 z! m3 l1 N2 \/ T9 w, mTREM Total Radiation Environment Model. TREPS See Thrusted Replicas. 7 C) h3 D1 ~7 A( m. a& JTRESIM Tactical Receive Equipment Simulator. ( N& k& Q% `8 A7 a+ b* tMDA GLOSSARY, VER. 4.0 T 0 O. o: X) R8 Z g306 TRG Threat Reference Guide. 7 o9 _* \4 M5 YTRI-TAC Tri-Service Tactical Digital Communications System. : i, ]$ j$ u& s6 _TRIDENT Class of US ballistic missile submarines (USN term). % L* Q8 D6 Y+ S: g5 t1 A0 F2 sTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. - ~8 G5 u/ {+ n" uTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. : V: v f. i9 Z9 |Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. 7 L) _: X2 u: ]% y. x8 FTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the + M; I3 O9 k2 D7 o% K' H& A: d ?4 latmosphere, 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.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or ! {# T7 m* u2 T! J6 Vless complete. * N) L( {! ^1 _3 ~Tropospheric c0 S$ O8 a+ M( {( R# L! iScatter 8 S: Q8 y% S% j6 r3 {The propagation of electromagnetic waves by scattering as a result of # t: Y4 U. u0 e1 iirregularities in the physical properties of the troposphere. 5 q8 P: X- D* k, e) |TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). . S0 n% W5 h- _! C(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer System/Software A system or its software that employs sufficient hardware and software integrity 8 Z- G: J( p" o1 Wmeasures to allow its use for processing sensitive or classified information. + r& C. j" @+ l4 ZTrusted 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. 2 t. z) e g; f8 Y7 ]; M9 B; gTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. # M$ w0 J6 o+ r; c7 bMDA GLOSSARY, VER. 4.0 T + T5 ?6 N0 d+ I/ {/ r! f& Y" C# x/ h307 6 M3 Y2 W$ O6 {6 U8 v7 L0 G2 JTSA Technology Security Analysis. . i$ K& T2 a9 v, e4 k3 J5 V! ]TSD Tactical Surveillance Demonstration. 5 n; h- H0 ?& E. X8 ]TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. ! s( F5 P l" a/ v; RTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. % k$ V" g, `6 G" a3 Z. j1 L; }: `TSMA Theater of Strategic Military Action. ! e4 Z2 A( x! l: Y6 H g0 YTSP Target Support Plan. TSPI Time, Space, Position Information. 8 I8 }5 z' T! U: X) t- fTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. ' d! o$ S- A/ b4 d5 \! |9 H8 q4 qTSWG Target Signature Working Group. + B4 B. @( ?8 Z7 P& i7 `) @TT Total Time. b7 b) H. M1 ATT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). ) N- N9 w. \% y* q1 `4 KTTA Total Time Accounting. TTBM Terminal Tier Battle Manager. 0 E8 ?2 X" N* A# g1 ]8 ]TTBT Threshold Test Ban Treaty. 0 g6 s: z) ~2 e! ZTTD&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. * j3 Q) A+ f3 n" U* YTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. # p/ W! j- ]2 X: Z' s! nTTP Tactics, Techniques, and Procedures. 3 T r. k, }# H) x# xTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. 8 L* E) _: j: j' k3 H& [3 \TV Thrust Vectoring (rocker engineering term). : s, I1 U' [ ^- M$ y' {( h3 YTVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. $ C5 x& c' w( M, I4 m& a) lTW/SD Tactical Warning and Space Defense. . H. Y5 Z, V6 s" f: WTWG Technical Working Group. ' o/ x/ X3 I! G* Q6 r* L4 \( BTWS TOMAHAWK Weapons System (USN term). . |. o# {$ }+ v) y" eTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ( O3 s) H! `3 u9 y4 w1 rTY Then Year (PPBS term). ; l( s0 Q( Z; KTY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test & D0 D6 F" g0 m0 iprovisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission ! _' t! N9 o5 ^( W$ }# zrequirements of the system as an entity. Type B - # h" i$ p) }' p7 J# }' v0 yDevelopment ! E4 t8 A) w( }' h4 YSpecification ) x8 `+ {2 h/ KStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product " `' f- v% a. nSpecification Product specifications are applicable to any item below the system level, and 5 V+ j4 i9 P& d) e) F1 X$ Emay be oriented toward procurement of a product through specification of 6 y2 l( o: e' w" `& N) eprimarily function (performance) requirements or fabrication (detailed design) / M+ N9 |' _$ u0 L5 a5 Frequirements. Type C specifications intended to be used for the procurement of items including computer programs. ( o$ ~& S% h8 b& JTyphoon Class of Soviet ballistic missile submarines. 6 E3 G4 Q/ A) s3 K; lTyping The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). 4 }& A* i' W7 }+ ZMDA GLOSSARY, VER. 4.0 U " E6 h1 Z5 Z9 B& c" l309 + |4 j: r3 S. O; {5 ^! c: hU Uranium. U&S Unified and Specified [commands] (pre-1996 term). & O2 h6 b. H+ N0 J6 ~U.K (UK) United Kingdom. U.S. (US) United States. 4 X( O* O0 a' n4 J0 D+ uU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). ( K; r9 f) B$ ]7 c, [( f' N' n6 cUAE United Arab Emirates. ( U' x2 b e3 SUAV Unmanned Aerial Vehicle. : ~9 r. \! ?0 o' H8 t9 SUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. ) w. C: {' Q2 g7 T8 }. H! L5 |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 capabilities and plans of test ranges to support program requirements. It 0 V6 E% y6 k, V; _" Gconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), ) S# p) s: T) r; b* w2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) # s8 a6 T, n8 {% COperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the ; {/ n/ N, a7 ^$ LRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. l1 j7 B8 b8 ^7 `% ]UF4 Uranium tetra fluoride. , G3 m$ t* q/ P$ s$ @2 AUF6 Uranium hexafluoride. . H# L9 M2 G2 r6 n, LMDA GLOSSARY, VER. 4.0 U ' y& q' a. N4 d& I+ |' F310 $ E, n- o% @# g5 s. ?UFG User Focus Group. 0 l4 H; q) W1 l; w, @UFO UHF Follow-On [Satellite Communications System]. - \" c2 `! Q' F* W0 X2 MUFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. ; H \1 T- b5 Z0 S3 j5 @UGT Under Ground Test. 1 N6 Z% T. R$ z# e6 A* n. G. HUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. . O- |: t& G" t) B. GUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. 2 u9 Z0 w: G# U# q- N: E T' v2 dULCS Unit Level Circuit Switch (SINCGARS term). 7 d1 T8 Y3 e( u% c% oULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). * ~4 Y8 e1 O$ n# E6 yUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. $ [8 d4 g/ |+ Z$ Q# ^; tUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. $ ~, V' h2 d4 B1 O7 D3 ^' q% P) r; _4 SUNC United Nations Command. 3 x) L5 a6 H1 v: g8 LUnconventional * P, @# j5 N6 z+ \" ZWarfare / M4 Q% V- J/ ~. KA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, $ s# \. [- c3 _! lcovert, or clandestine nature. " \9 f' ~- i0 @; h y& f) \: \6 uUnified Action 8 S& e$ ]- n) y. `Armed Forces A publication setting forth the principles, doctrines, and functions governing the 3 c: e3 S9 E' t1 P( D/ qactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and 6 B& m- N) V9 m6 B, {/ _; Ecomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 UNISYS UNISYS Corporation. United States Army Space Command / h# S& n/ ^$ v& @3 J+ x8 A(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army " ?, |- \6 m" D& [elements of the SDS system. Located in Colorado Springs, CO. + u' a R& \7 JUnited States Space Command (USSPACECOM) 8 O0 \! }, Y8 i, ?1 qThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. % D) [; s% R8 y n7 KUnited States ( y3 d: A# |4 O' g3 K9 b; b( g( ^. hStrategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 8 G1 z* l. X/ S8 P7 e4 J N. _/ R5 M0 hmissile offensive combat strikes. Located at Offutt AFB, NE. . q3 m8 M `$ G+ H1 [United States Transportation . w; u: X2 H) e+ R, D& s. hCommand - Z+ U% v8 e: n% \(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea $ _0 C; N( M$ V7 Ntransportation for the Department of Defense, both in time of peace and time of 4 l3 e) P( e2 e; a' _war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces , l |; _6 ~! Q7 Y# R3 D8 oon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. * N; Q$ e5 Q* Z5 V# C% E; _' ]Unresolved 5 U* X/ B! [5 Q$ w4 G- c/ r) ~/ jObjects Objects so closely spaced with respect to the sensor focal plane as to be 0 a6 _& e& O4 s7 N% K$ `indistinguishable from a single object. 8 g, o4 Q6 c; jUNSC United Nations Security Council. 3 X5 h" {- t3 q( P* j' A# tUnSecEnergy Under Secretary of Energy. ' O2 K; D3 w/ b+ B0 S% zUOC Usable on Code (ILS term). UOES See User Operational Evaluation System. ! ?7 a$ t# u$ }! W# [0 z4 BUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. 5 s" M6 D0 G7 \4 WUQT Unit Qualification Training (ILS term). * I% C) l9 U2 b1 B0 e2 ]7 ^# @URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). # \; W' C a! H( [! P% w+ JURT Upgraded RTD. ! J' ]' Z2 p: k9 s$ V. g9 O- hUS/UK United States/United Kingdom. ' | J6 L" @- |* f7 QUSA (1) United States Army. (2) Under Secretary of the Army. ) S! q( q: [6 \& |6 @5 wUSAADASCH U.S. Army Air Defense Artillery School. 6 ?* i0 ?2 ~3 C- ^7 a1 X! sUSAAE U.S. Army Acquisition Executive. . f$ s! @7 L% o# }. W" O! d3 J4 QMDA GLOSSARY, VER. 4.0 U 312 . G3 N! Y* x) |USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. " U& y* Q$ S2 B8 _- R! V4 _USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. ! W- D# m$ ] oUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. ! z* l K* ~4 q3 hUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. " p3 Y9 M6 |/ K& ~: |USAMSAA U.S. Army Materiel Systems Analysis Activity. m% s7 I: g# g- }1 r' NUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. ( R: e% k3 V4 I* x6 f7 sUSAOTEC U.S. Army Operational Test and Evaluation Command. - ?% R7 V9 t, P1 ~USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. . }: Q( m K: T; s' ~: v% [$ Z9 hUSARLANT U.S. Army Forces, U.S. Atlantic Command. @2 @! j# \9 D3 m6 N' H! V% T `( BUSARPAC U.S. Army Forces, U.S. Pacific Command. / C; ^) C f8 Z1 f$ C3 K6 oUSARSPACE 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 3 N. q: }3 Y3 s; q& r& cUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. : q6 P( V' `6 zMDA GLOSSARY, VER. 4.0 U 313 , n p. J4 b" Y" ~7 g! ^USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. - R2 q/ k$ a( r% GUSCINCEUR 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. USCINCTRANS Commander in Chief, U.S. Transportation Command. / Z1 y* x/ w2 ZUSCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 6 I" e, c& ?6 H- R/ EUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. + b# A' Q: x" V+ K9 l7 U, `USD(P) Under Secretary of Defense for Policy. & q L, O$ p$ f6 l! qUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. 5 b( }+ e J; l5 ~# t& _USDR&E Under Secretary of Defense for Research and Engineering. / e! u" a/ [3 w3 q% }2 v" YUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine 8 \( C! K+ f( t8 k7 s$ }. w2 j u' q(hardware) or program (software) that is compatible with a person's ability to : t8 f, X' }# K. ]' D) ?0 J0 P5 e/ d/ ?operate it successfully and easily. User Operational ! Z, f6 f, T- }3 J6 p; EEvaluation 7 t5 v% Y) B% s3 D' 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 . d) x6 A- m" m5 Btraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the 5 i& f5 E3 Y! M' C/ Anormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 8 [- F( e) {- h# p" bUSFJ U.S. Forces Japan. " c0 q1 ^8 [% z5 z4 [: I& tUSFK U.S. Forces Korea. ! Q+ {0 Q p/ B8 m+ dUSFK/CFC CSFK Combined Forces Command. ! ?/ `9 p- e$ ~) QUSG U.S. Government. 5 m J+ z+ L& ]USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U ; K4 x- B) ^# O7 Z/ s, ^314 ( U4 t& E+ J$ a+ Z: q6 X4 FUSLANTCOM United States Atlantic Command (Now see USACOM). ) u9 [! j; O- e- d& M. gUSLANTFLT U.S. Atlantic Fleet. , J3 n4 R, w, k! {USMAR- * ^* a0 u' E: J9 [( r, O) `FORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. $ E& G1 K1 T+ l* KUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. USMCR United States Marine Corps Reserve. ' u7 i- M, ^& ]/ {USMILREP U.S. Military Representative. : h" _' c2 P* r$ |+ [USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. 8 p7 t2 u, W1 e" ^USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. ' @4 u' W) { d" V) f7 YUSNPGS U.S. Naval Post-Graduate School. 9 {8 o5 G* I r" N' ^% s, M& OUSPACAF U.S. Air Forces, U.S. Pacific Command. 4 r5 `; m6 S8 _8 V1 F4 W0 sUSPACFLT US Pacific Fleet. " s* g6 q5 s* w! l- G, T% _USPACOM United States Pacific Command, Pearl Harbor, HI. % d" r( U0 r$ U+ S# RUSREPMC U.S. Representative to the Military Committee (NATO). # j4 q: {2 a7 x+ I, i! rUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. $ e- s/ B# o# i1 x+ T- s6 iUSSPACECOM See United States Space Command. - [' v. H% z- T+ j# h9 \5 U# J$ R0 U# {USSS United States Secret Service. " y- U7 E9 S. dUSSTRATCOM See United States Strategic Command. & O( |& k5 p+ R- y% T4 ? \USTA United States Telephone Association. 7 K. G2 @" }, M9 |USTRANSCOM See United States Transportation Command. 2 E* `, X' Q2 t: c; \/ ~, yUT Universal Time. * [1 A; H V e w% u/ IUTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 0 W8 L" A' W, j" K0 P) v/ ^ e, K315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 8 v0 f4 ~9 j0 U% M) p0 E$ QUV Electro- ( F3 A0 A i0 TOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). ! r+ | ~% J8 T/ g+ ]9 i sUVPI Ultraviolet Plume Instrument. 5 e2 m b* m- l- SUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 1 U+ k% I! L1 h2 i3 U+ v/ x# s3 y316 V Volt. V&H Vulnerability and Hardening. + L$ C# V/ m) s& lV&V Verification and Validation. (See Verification, Validation, and IV&V.) ; }6 g2 X; X3 ~* AV/STOL Vertical Short Takeoff and Landing [aircraft]. ; w! @ k X( y4 Q6 iVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real ! e) d7 u4 |3 Fworld processes and are realistically sensitive to change in the environment, * U# ^% s- ^7 ^) Y! y6 t/ Otactical situation, system design, tactics, and threat. VAMOSC 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 ( m W; Z7 c' e. a( _8 Dwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and 3 c' U5 d. g. j" g- [; U, @uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ! l8 s; t- E9 u+ D4 @' f) _' dVCC Voice Communications Circuit. & @5 _7 \7 g$ X7 HVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. & p* x& e8 e; R% XVDD Version Description Document. VDU Visual Display Unit. ' V: I7 u( j9 y$ [VE Value Engineering. 2 M9 Z# \- d! p. l# J. h7 n) XVECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, 4 j7 J6 p" k) Q% J( C; g( jcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified ( j$ y& a" W" p( arequirements. 1 \: R8 B3 c% ]/ DVESA Video Electronics Standards Association. 6 i8 b2 N0 w' X K* d) M+ nVFR Visual Flight Rules. ( V& n3 }: w& Q3 @) LVGA Video Graphics Array (Telecomm/Computer term). . j1 G) `/ L% }: P4 WVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 5 j9 r; f2 X9 F8 E5 oMDA GLOSSARY, VER. 4.0 V 7 Z) ?) h1 k% U" R3 K, ?) l317 0 W5 w. W, B7 F( y( H- HVIDS Vehicle Integrated Defense Software (USA term). 6 k. |2 j: d7 |: I# EVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D - u$ e: `* @9 o0 \6 oExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 0 r) T7 X& O/ S1 e7 k1 P yOperation 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 2 D" p! h7 [% r, d% w5 G' e, ycameras capable of tracking targets that can be detected, identified, and / k3 o, e1 P' y! v0 A" aprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. 9 S5 p: d1 M9 m' d- J, m. vVINSON Encrypted Ultra High Frequency Communications System. " `: Y7 S; D3 _! x4 A% ~VIS Visible. 6 w. z( O. w# N; WVIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) $ k4 n7 }, {: b8 M+ Y ~6 H& A9 MThe horizontal distance (in kilometers or miles) at which a large dark object can 0 u. h. f( L% njust 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 5 N% D1 V% M/ v1 ?0 |0 t: I7 o" a7 M# @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). * W2 m4 s' C) F1 o7 n5 UVisible Electro- * t1 ]* `+ y2 y5 [Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). 3 Y1 f% i2 H1 T" Y5 J8 RVLF Very Low Frequency. 6 J; F5 G6 D \, jVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. 1 j9 s6 h' f" D! p& `; oVMF Variable Message Format (Telecomm term). , z5 d0 s4 A2 s; Q. BVOX Voice Actuation. : F$ P& Y- W- E; g; wVRI Vanguard Research, Inc., Fairfax, VA. 7 _" D% v/ M4 t8 x2 C HVTC Video Teleconference. 3 Z2 a! Z1 o7 @. RVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 1 u, m% C. s4 a- S" `318 1 [4 s% }9 M# p" ~$ v% J' hVulcan UK bomber. ( y9 y2 h! e9 l0 ^8 Z9 v9 ]VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. $ b+ w. Q. w. Q1 g4 x, Z; g$ wMDA GLOSSARY, VER. 4.0 W - r4 Z; [ Q2 Z2 t; {8 a/ A$ m; ]319 0 S" R' e# k* p9 |W/ With. w/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX 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. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. ! Y( Z' E8 ?0 @6 E) kWar Game A simulation, by whatever means, of a military operation involving two or more , n! t x% j, a' i% \opposing forces, using rules, data, and procedures designed to depict an actual + l2 C1 h4 u$ s6 L( Z& Aor 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, validation and accreditation, and support CinC/Allied wargames and ; Y6 f$ ]; e$ ^2 k# ^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, 8 U4 B/ U2 J% Mairframe, motor, or guidance section. 7 o& X: [6 x9 S+ {' @9 dWarhead Section A completely assembled warhead including appropriate skin sections and related ( X: E9 z6 J4 o( }/ ^6 t) [components. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its 8 y0 |$ Y1 ]$ O2 S8 W, @$ i, Q3 Marmed forces for war, but intends to launch an attack in the near future. ! V2 F6 `% W: t6 G b7 J) MWarning Order A preliminary notice of an order or action that is to follow. 4 j/ N* W: m: V1 S8 Q) T- QWARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). 3 r# A/ L- h8 o$ M/ kWartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation - v% f9 T0 m7 q/ X, d2 o. ?) ~* jaids, threat recognition, weapons, and countermeasures systems that (1) will 4 n, C/ a8 j( ]contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for $ P1 t1 f% y- Z" ] D* z$ _0 u: fwartime or emergency use and seldom, if ever, applied or intercepted prior to 9 s g* o. [5 y$ T5 m9 }- m- Esuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. ( Z* E4 S" b0 h- k6 yMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. 7 x( a2 w& ]( g. |0 OWastage (Max) The maximum number of defense weapons which, when used, will be ineffective ' y6 l# |, d. V& Jin contributing to the defeat of the offense. 8 R' N) `, N& n+ Y: gWatch Condition (WATCHCON) 7 N; c- l$ r8 k" E2 {5 P# x: {Series of readiness conditions used by the intelligence community to alert staffs ( V/ ^( i1 F/ U" q" y! Gto watchfulness without raising DEFCON. ! \3 e' d2 K5 ?, \( u6 JWATS Wide Area Telephone System. % B) ]$ G+ ]6 {1 b" g- JWAVE Wideband Angular Vibration Experiment. 4 V/ q0 {6 p2 v' SWavelength The distance between two points having the same phase in two consecutive + w( i$ `. M" c6 Ccycles of a periodic wave, along a line in the direction of propagation. % t5 J' _0 ^, ]2 iWB Wideband. WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. 2 h" C. X5 O; AWCC (1) See Wing Control Center. (2) Weapons Control Computer. ' [" y* P9 }5 g! E$ t, z, ?WCG Workstation Computer Graphics (Computer term). $ ?9 J, r& e* I6 c% f8 q8 AWCP (1) Weapon Control Processor. (2) Weapon Control Platform. & M2 V- @, c1 y1 XWCS Weapons Control System. WDM Wavelength Division Multiplexon. ) Y8 A; ~! S6 F; EWeapon Enabling The set of control functions without which defense weapons cannot be launched.