航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T % z, p; S: i% i298 0 x% v0 }7 i) d$ p; S% ETheater Missile & ^/ M9 K: W2 VDefense Council (TMDC) & t& c% l2 w# q& m+ j0 L8 JA consultative body for considering TMD family of systems planning and * p) G- ^% B8 |% @programming issues; chaired by an Assistant to the MDA Deputy for 5 D3 B. c: o% l% jAcquisition/TMD, membership includes MDA TMD Directors, representatives of - K# `- p% h/ P# m# }each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High * v: X- H# L+ }2 G; W, r7 ]5 C) bAltitude Area 2 E2 z# V7 ?7 \; f5 c( NDefense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area * T) t5 e0 N* `. q, ]/ u3 y+ X4 Z( Fdefense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile (TM) 5 a& V# P5 p5 P% S4 GA 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. 8 r D7 j1 l' ?& G5 A, c, S5 F6 j) e! \Theater Missile Defense (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. # `1 T* Z4 u5 w6 m" H# yTheater Missile # Z/ F; \0 V4 q5 n( EDefense Ground- 6 @6 M" w$ B3 Q7 rBased Radar ( S/ I! c7 v, q9 Q(TMD-GBR) 4 u7 a, p1 d; L7 e# N! x5 n. _/ t" \ c4 PA ground-based, air transportable sensor that provides search, tracking and 5 U/ e1 W3 n: ^; ~8 ?, s# ediscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. 8 z# O! G7 |/ RTheater Missile Defense Initiative " d% {3 Z+ v5 P- @; ~: P(TMDI) / u# e8 g. }7 q( L7 M6 UAn 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 , T8 g ?, A' @; |5 F& ?( V5 H" A(Public Law 102–484) directed establishment of a TMDI office within the DoD. 9 S8 W v% O. L3 q5 pTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 4 s# x: ?3 j8 N" othermal energy received per unit area at a specified distance is generally 2 P6 g, P- h$ P% vexpressed in terms of calories per square centimeter. 8 A) l" B0 M4 Y0 g1 p, j1 qThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal 2 C; Y/ y8 N6 O* ]Radiation , G6 e+ \) h9 v1 d- M7 ]Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. 4 s+ Z' ?: y" r6 L; `Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high ; q, s3 v% G3 W) w6 S) Ltemperature; 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 9 A$ m9 H/ R. e3 O6 \8 kin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 ' H, U; ?" \7 \# z/ N* K# QThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 4 u* | q% l' ]* Y$ Qexosphere and most or all of the ionosphere. Threat * T' [9 i, Q7 q0 h! [+ w' kCharacterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) + q; _+ B7 ^/ jA tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object ( w3 [6 b. d" F8 J+ B7 E1 Strajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable ( h# `- ?, J P, wvalue (threshold) required to satisfy the mission need and a performance objective. , W$ z# b+ ]4 ]. @ xThreshold 3 L+ i7 D$ z/ J; v. D) xDefense ! |5 p4 v6 M! R3 X2 W4 f. T* Z! j5 \A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the # Y/ `( U8 A1 l0 ~$ _$ Woffense to mount a relatively large and complex attack. " z( a' E% \- X% ^Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted + E* J, _/ S2 h9 S& J$ F. w6 V. g% WReplicas (TREPS) ) u( L+ X3 |0 gConical decoys equipped with a miniature rocket device. Generally used to f3 X5 z4 c( e6 F3 T; Nchange the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. * d" Q" _. V. ?3 b/ x4 h5 F" aTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. / `* M$ a3 A1 Y1 i( i3 @/ T& ](2) Tactical Information Broadcast System. + `3 R5 w: g3 M- P% f" \+ `(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. ' M; w) I# g0 W9 D9 ^5 d$ RTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 4 ]; K9 m" D3 Q: ]( h8 \5 iTier An integrated set of SDS elements that address a particular phase of the threat ( W, Y% u8 y- i$ K(e.g., boost phase). 0 A% _3 m% T- E" V: F' jTiered Defenses The use of defensive systems at different phases of the missile trajectory. ) P" a2 D, {1 gTIES Technology Integration Equipment System. 2 g+ X* z- d8 S' k8 H2 p1 rTIIAP Telecommunications and Information Infrastructure Assistance Program. - J3 k+ x$ Y( g. x9 O4 x; {& r0 ^TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. ! ]$ q' M, [1 N R( _4 AMDA GLOSSARY, VER. 4.0 T 300 6 f1 d( Z1 F) Z4 s! Z7 I( JTime-Phased ' X4 z8 F4 e3 k/ `$ j' t: r- Y. ~. oForce and 6 `8 ^9 C$ I' W! c( aDeployment List 6 Q) Q9 Z( P2 h8 x& K1 g5 S0 f aAppendix 1 to Annex A of the operation plan. It identifies types and/or actual + D& L7 y% z. j" h) Yunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of launch. Time on Station The time the sensor is in its operating position. Time Sensitive Targets ; V& o7 h/ ]% YThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, - e: }$ Q( |: M$ Q9 r; Ffleeting 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). * j3 z2 C5 E0 v9 vTIN Theater Intelligence Networks. Y/ }! @8 I ~- X) k: }TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar " k1 E, p( }, [4 W& PTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. , _" f0 A6 x' }$ B+ L' }3 o* dTitan USICBM. 9 |9 j" G/ P& Z$ i" `& V, _ b1 O3 [TIU TIBS/Tactical Interface Unit. & ]) x- _" b+ qTIWG Test Integration Working Group. (U.S. Army) TL Team Leader. ; W. Q" N1 ?/ Z" Q/ ]5 JTLA Time Line Analysis. # m6 y4 w A, T! O% N9 P( cTLAM Theater land Attack Missile. " u4 g$ ^$ ]: Q% m" A! b+ rTLAM/D TLAN [with submunition] Dispenser (Navy term). Q- T2 l! p. h& `' c1 j5 z# p7 MTLDD Top Level Design Document. TLV Target Launch Vehicle. ( `" n' M9 J) V: F& n. w2 GTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army v0 D X# u9 e' Fterm). 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 I Those assets that provide connectivity between and among Theater Ballistic 6 r! Y) E! o2 g" nMissile Defense forces. $ [8 {( o& y1 x; CTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). / e9 U4 c' e3 g3 Z' }% \TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. 6 t6 S \4 u3 m) jTMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. 6 k: n4 F2 G6 ]" sTMDSE Theater Missile Defense System Exerciser. V( j x% D1 k' ]TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 1 V' L- `) J, f2 g# P: XTMPCU Tomahawk Theater Mission Planning Center Upgrade. + ~% u/ x# n! C( A+ Z+ I, HTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 1 Z2 q+ e1 B+ w( D! O* }TNF Theater Nuclear Forces [Treaty term]. * Z. p, \* z$ E( s5 N. r7 @TNT Trinitrotoluene. * ?) h4 B. U. k0 {/ xTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. 6 g$ X5 a7 I" ~* W1 a. kTOC Tactical Operations Center. TOE Table of Organization and Equipment. - V% j C3 h3 c0 C8 PTOF Time of Flight. + @: r0 @2 j6 P0 }& v$ ETOI Track of Interest. TOIA Task Order Impact Analysis. + h5 T. ~% f, n) a' o5 Z1 W5 v6 bTolerance The ability of a system to provide continuity of operation under various abnormal 4 J9 p/ M, D5 F& T6 u( sconditions. , Z: F( q5 D$ cTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 7 j- l! E' W& y4 _1 t5 l1 U7 h- ~302 + N3 W5 x) v% N) JTOMD Task Radar Management Details. 3 V/ }, h7 c6 W8 M! yTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). 6 w8 L" W. k) V5 k0 q: i, CTOO Target of Opportunity. TOOL Target of Opportunity Launch. * G7 |" M1 q% |$ G9 d1 XTOP Task Order Plan. ) a. z. h. X' `4 ]Top-Down Pertaining to an approach that starts with the highest-level component of a , f8 d6 j5 [7 @2 E( c5 @hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. ( F5 }8 ]" I& @Top-Down Design ) s! P! Q) g7 J) D; |' sThe process of designing a system by identifying its major components, - u+ B# t" J% ]" U1 F. pdecomposing them into their lower level components, and iterating until the desired level of detail is achieved. . G6 T( |- p- qTop-Down Testing 6 {# @, v4 U! [, p" N" v6 @$ zThe 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 3 [6 N/ E+ x* G2 xtechnology to U.S. BMD applications. % p# f+ I" t+ c- o0 @ e* l) P2 GTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation # p- P* n8 X3 g/ ^ H- C1 O4 u4 ~Authority (TOA) . K ^8 a% A0 X' Z1 r* tA DoD financial term, which expresses the value of the direct program for a given fiscal year. 6 J3 J0 _7 N+ L4 F1 YTotal Quality Management % l6 G; M' z/ r( u+ M- t(TQM) A management philosophy committed to a focus on continuous improvement to 8 b& u# L) [2 N. Kproduct and services with the involvement of the entire workforce. 9 V! p( V: B* O' @( _$ STOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. : p: Y, q4 B' p1 H gToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. - C, |% L/ |5 RTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. % f& F f" i& H9 XTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). ' c% Z4 S3 a& Y/ f; a: kMDA GLOSSARY, VER. 4.0 T 6 N7 S+ z; g% n e3 m303 $ ?- x9 O3 C" n) E$ q2 P6 nTPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. , _1 |& @8 j: y! ^4 sTPFDDL Time-Phased Force Deployment Data List. , w0 G1 X* ~# U% @' J9 v' _+ {TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office * A: m5 k$ E( ]0 w6 A, ^TPP Test Procedure Plan. 7 x3 o6 I. r$ g5 k2 R# o6 l- S* QTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. 1 z1 D7 b$ o+ l1 x9 o. Z/ Y. F. OTPS Thermal Protection System. TPT Theater Planning Tool. " B7 _5 w4 M" D7 ]TPWG Test Planning Working Group. (U.S. Air Force) + R- I) U( r1 J2 c jTQM Total Quality Management. $ B; P/ T" h* |9 x8 R+ TTraceability (1) The characteristic of software systems or designs or architectures or 7 {& d" [3 I7 H2 G1 c1 Adomain models that identifies and documents the derivation path 3 X% r3 Z( T- Z: p( L7 a: o, ~(upward) and allocation/flowdown path (downward) of requirements and constraints. 2 M1 z* u( r3 j; l. y/ Q+ Y2 F! \(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. 6 m8 M. D2 P7 X) |- L(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 - q H7 M' b: K: k, Q* vinstrument at a moving target. ! O* G- n7 G* i* k: W: W(5) The actual path of an aircraft above, or a ship on, the surface of the earth. 4 V) k S3 P: NTrack Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to Death 1 G2 ]0 d2 s6 L4 Y' D/ V6 d nThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). " u4 a! u; k: M& B, A* lTrack Correlation The combining of track information for identification purposes, using all available data. 9 g3 ] F( W$ m: B, ~9 bTrack Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). . Q2 s8 M8 v" ^5 @8 yMDA GLOSSARY, VER. 4.0 T % j' b' U* h5 F8 z" Q% F304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS ) {# I' r# C1 S% jmeasurements with irradiances with confidence of association; or some subset of 7 [- ] }) J" k& |& Pthe above. Track File-Track : h0 r$ J) O% e5 t9 @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. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. 2 v3 m: b$ M! e! VTracking The act of generating and maintaining a time history of an object's position and any other features of interest. # t2 ~' m8 b$ ^0 o. E% ~( dTracking and 0 @2 r' ?/ `# ?. bPointing Once a target is detected, it must be followed or “tracked”. When the target is ( q* ^! a: O9 ?1 y/ Fsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing . j& s0 D; Q! f6 h- Eare frequently integrated operations. * e6 a* T S3 I- i2 ]( l( wTracking Range 3 v! p- \0 Y' M; p' `, f(Max) ! t8 h: ^: w$ UThe maximum line of sight distance at which a sensor can maintain track of an object. # C+ m& i8 l) g6 J4 v1 y% dTrack 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 frames. Track Production 1 a' K' y" [- j; w6 y2 t7 D: W3 nArea 5 ^# x- R9 p n; j6 C2 |3 mAn area in which tracks are produced by one radar station. + K% y: F6 t/ p+ W. bTrack Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information 1 T7 k w, t, E2 nbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. 7 v/ L, ~2 O! P9 Q: z8 {, A3 HTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability & C, m: P# s. F# W1 ]1 L9 ^# I# C+ gMaximum The maximum number of objects per unit time which the sensor system can maintain track files. 6 \. ?( B7 C0 c$ ~% C3 ZTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high # b: N. ~, S+ I* uendoatmosphere. " w, c/ B. ^ ?7 E) l! BTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. ; p+ ?" F: ~1 _- @Trajectory 7 K5 D' t* y' L7 M2 C: j- n& J& IHistories Trajectory information on targets recorded over a period of time. 6 ?, s' }- K% Y% |TRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. ! C7 \; E# y6 [4 d& i( \4 OMDA GLOSSARY, VER. 4.0 T ( H8 N( d% m& ?305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 6 D6 S* P8 s+ g' G; U; X4 A- _3 a; _# sTransition to Production A risk reduction process during which the program shifts (passes) from % N3 z- \2 n& l& vdevelopment 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.) Transmission : E& t1 X# H+ Z& ~& nSecurity " Y, o+ Y) q9 w+ v9 z/ C+ e3 ^) w(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See ' D. o% I& S3 F6 n; ]/ XCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative / K% \, F& q, a# g' ^& W% xspeed of the fluid is subsonic in some places and supersonic in others. This is " N% D6 M5 y% r' Lencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. * s8 {, z' ~; H5 Q2 u9 a i1 aTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. 6 d; P( Y: {. p* N7 ETraveling Wave 7 b" t" A' d5 H1 r8 d1 t5 ^3 U% ?Tube (TWT) 3 D. ]- R2 w4 M3 Z: D* B, IAn electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in & I$ Z5 w8 ?( J2 O# Rsynchronism 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 / }/ @. y; a& B; F. pthe microwave region. 2 L/ c0 _; [8 F! u4 wTraverse (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. 3 A& D9 e" j3 @3 N4 [( U' x4 eTraverse Level That vertical displacement above low-level air defense systems, expressed both 9 Q7 C8 B" e: v$ e( ]as a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). 4 Z; c: T' L1 W7 S" K5 t5 J, PTREE Transient Radiation Effects on Electronics. . R; X3 M8 F" f uTREM Total Radiation Environment Model. + N8 B" ]$ `' M4 ^& P: H+ f" DTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. 8 U. ^* S( f! N% AMDA GLOSSARY, VER. 4.0 T . b5 |" u3 b( V306 * ~5 W' y" a+ g2 c2 o& t! J eTRG Threat Reference Guide. 7 D( U9 W6 j6 L) tTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). - F( [4 ^4 E, l4 `, Z9 d4 T; p: HTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. ; E' z/ s9 m b5 s4 _TRM Technical Reference Model. 4 H: S5 ^4 @/ l- w5 K% \# W$ \% ZTRMP Test Resources Management Plan. 0 u& i5 J" N4 M# n! D M5 [/ BTRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate 8 K) ?% T1 [! ~, c) k$ C( Uauthorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the ) k& g0 z# B6 N n) ?% Z% _atmosphere, the troposphere. The tropopause normally occurs at an altitude of ) v9 C4 n( ^+ T# _6 ~about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) ! Q: E s, d& }3 U0 ^% ~% r: kTroposphere The region of the atmosphere, immediately above the earth's surface and up to ; x: t1 V( ~5 I! ~& y7 m$ ?the tropopause, in which the temperature falls fairly regularly with increasing 7 b* K6 M6 s6 x- l$ \. V" z, @; |; I; Galtitude, clouds form, convection is active, and mixing is continuous and more or 5 Q6 ?1 S2 k& \$ }$ Bless complete. Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. - y( k- B' o* ZTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. }9 o% d2 M9 z3 m% t(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. ' G: F& y, Z/ T) B6 ZTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 1 K. h7 [: o* ?. gTrusted Computer 1 g' T" z* ^- S8 wSystem/Software A system or its software that employs sufficient hardware and software integrity : p8 z/ r2 Z" _3 _: Omeasures to allow its use for processing sensitive or classified information. Trusted 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. * \& U+ H4 p2 W5 L* R# PTRW TRW, Inc. * h! e( _! c; eTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). # f4 X2 t; g+ F! T6 [3 uTSD Tactical Surveillance Demonstration. 2 I# e4 b# P" G8 S& a& cTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. # n+ \ W8 @( [% t0 lTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. Z5 e1 K: x7 b. ?; WTSMA Theater of Strategic Military Action. # X' x' T5 P" Q; H- c! v# zTSP Target Support Plan. TSPI Time, Space, Position Information. $ z; V' A5 k& [8 i) B2 j& S! [TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. " R: M2 \# t# k* o( GTSSAM Tri-Service Standoff Attack Missile. ; o9 ?+ f! v* a5 c- UTSWG Target Signature Working Group. 5 c$ c- K) d* _) s* K( @) R tTT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. 5 R; U) |" J( }6 ]2 p- C+ W O1 j% {2 tTTD&D Test Technology Development and Demonstration. A portion of the CTEIP ) ^& p$ r( H* M# {* A& {% pprogram, which funds the development and demonstration of technologies, 3 V' ?1 m% x6 t; n. xwhich have significant potential for improving testing. ; e2 s$ W0 ?/ T' i9 ?; dTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. # h* ~5 F- Y/ \- v8 dTTP Tactics, Techniques, and Procedures. : v3 K( J# E; o$ c! K( b# N. nTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. l& Z# g8 {' F! v+ I: y5 uMDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. * C3 y5 v" \$ _# UTV Thrust Vectoring (rocker engineering term). . S( e# v! J/ m7 Y1 i9 N' sTVC 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. 9 N. L% {. A8 M" x' q% e; Q: f( YTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 1 q( @+ u' g/ [* q$ c& p* M3 [TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. $ E- g# \( f8 r2 s2 g; ~% O6 ? tTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ) }9 T: z0 F# t! N$ l# Q# W6 A% MTY Then Year (PPBS term). - V8 k8 p; S. X% R7 }TY$M Then Year Dollars Millions. # k# S6 V* Z# {1 ZType A - System 4 t% v7 x: `/ L8 cSpecification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission . w0 c8 X5 ^/ h; k$ ~0 b+ Vrequirements of the system as an entity. Type B - : I+ i% v; W, r& }; f6 V6 WDevelopment Specification States all necessary requirements in terms of performance. Essential physical , L. u' j8 e2 u( mconstraints are included. Type B specifications state requirements for the . |! I b5 v8 k0 Q2 e3 ]' {) tdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product Specification Product specifications are applicable to any item below the system level, and 0 g! `0 T4 |; ]. w0 Z/ Fmay be oriented toward procurement of a product through specification of 9 b* r m @$ }7 G6 ? Kprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. 2 Z9 |4 @2 l& @$ [Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 6 s7 i8 K; A0 r a" W1 R i% Hset of characteristics, and associating the characteristics with a specific class of 6 w7 {: c" y& J3 hobjects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U / R- C ]& E, ^5 H" ^' `( X# L# F/ d309 ) q4 C0 F [% E9 x9 d1 `U Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. - D" b/ i* J0 P6 Y0 VU.S. (US) United States. " |" v* [' |8 J" v' E8 ?U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). UAE United Arab Emirates. ) c2 o6 @5 u/ W3 x, o7 ?, I" XUAV Unmanned Aerial Vehicle. 3 k' a' d; d: x& e+ cUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. " r+ k* M* s: Z& g1 N6 U/ C6 aUCAP UAV Combat Air Patrol. . v# a4 m4 u8 b1 Z- A$ @5 eUCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. 7 d5 O0 ]4 D5 d ~- R2 @7 O& rUD/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 capabilities and plans of test ranges to support program requirements. It 7 }- E; y3 |. @. o" ?- }0 @" @consists of a series of six planning and execution documents: 10 are the 8 J& Y! h" y( J- ]) }, v! Z% q' |Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the + h+ `" O% t5 hOperations Directive (OD). The UDS was developed and is regulated by the . ^) m0 r7 @" ]# o+ Z y( ^Range Commanders Council (RCC).

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UE Unit Equipment. . t/ R9 b' ?! ?: l% z" n* uUEME Unified Electro-Magnetic Effects. 6 C; I# C3 P2 o" p9 `UEWR Upgrade Early Warning Radar. 1 H) L0 W$ t) g6 oUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. ) }) `& d8 A- R! OUFO UHF Follow-On [Satellite Communications System]. 8 K. J9 ~- T7 T1 wUFP Unit Flyaway Price. / P7 D% F* G7 r z0 R3 l. wUGF Underground Facility. : z% M2 h) H. g/ A/ w U {& ^UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. 3 p* `$ X0 i$ K+ R! m& _2 v. x/ H; bUIC Unit Identification Code. + G$ w1 {; W& z3 lUIN User Interaction Node. : r. P+ n7 {+ L7 f1 Y% jUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. ' F0 H. b* g, ?6 ^UKTB United Kingdom Test Bed. - c: Y! n# X3 l* u: h4 r9 S1 dULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. + v) ~4 D; Q* Q1 J4 `" ~ULTDS Unit Level Tactical Data Switch (SINCGARS term). 6 S3 |6 n1 Q; [. Q2 vUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). " X) |3 s1 b( H3 U- P4 hUNAAF Unified Action Armed Forces. ; ^4 {4 y- Z2 @# G$ W; q/ nUNC United Nations Command. # E% B. X5 p+ n, c/ O. K3 A BUnconventional : L! L: K8 m; P6 u# O# sWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare + o# ?, L/ [- g. D6 Q7 aincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action Armed Forces 0 L* [, P N8 oA publication setting forth the principles, doctrines, and functions governing the ; U* j. V: g+ C8 ~4 a9 @" ractivities and performance of the Armed Forces of the United States when two or 9 V! Y/ B' ^* C/ j3 S' G6 M* smore Services or elements thereof are acting together. # o3 A+ x0 Q9 |' G* H- hUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary ; G! c! a- \/ _/ u9 U2 Nof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 5 [3 T! B% Z% SUNISYS UNISYS Corporation. United States Army & x( z4 S; o8 c$ {* W9 ASpace Command 0 X4 w; k7 f( z0 G: R(USARSPACE) $ U. |1 I# \4 @; [, i! a4 vThe Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 2 i0 N6 N6 H$ ?0 C, aUnited States Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile 9 C3 o+ U& m. i4 a+ `defense. Located in Colorado Springs, CO. United States Strategic & o3 b# t: e: z3 K5 UCommand (USSTRATCOM) ) }. A* X$ @& i1 b bThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. United States ; A! R5 i1 D. r3 s. JTransportation 0 v7 B& O$ ?0 r: t& l/ O: WCommand : V6 q# H3 p% c(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea . m( j2 M# m a" S1 @ b& |transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as needed 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 $ X8 k8 P8 O5 e$ k: C1 TAFB, IL.

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Unk Unknown. Unresolved 9 Z) B, w! P( \Objects 2 ~4 o: h% ?6 O1 E C) bObjects so closely spaced with respect to the sensor focal plane as to be / V' g z! _( F nindistinguishable from a single object. / u% |- U$ e# F& N% W3 DUNSC United Nations Security Council. ' A g6 l7 w3 t) V6 hUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). J5 I5 w. V( K* [+ kUOES See User Operational Evaluation System. + Z% P! ^8 q9 p+ d* AUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. ' C' _. [3 |! W l2 J$ uURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. , A9 l6 p6 ^9 t- i w& k& h' Q: zUS/UK United States/United Kingdom. ' m" H" \+ r+ y- I" QUSA (1) United States Army. (2) Under Secretary of the Army. 4 `3 a: ~6 e0 K$ L2 v6 cUSAADASCH U.S. Army Air Defense Artillery School. # d% y$ ~: h. {. q6 J, |" IUSAAE U.S. Army Acquisition Executive. # s7 `2 b U1 V0 _* r3 \0 ]MDA GLOSSARY, VER. 4.0 U ) B. _! [9 @1 L$ S5 X, ^312 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 , K, f/ s }2 a2 I" y6 ~Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. " r( n, S/ g& o5 n9 yUSAFE U.S. Air Forces in Europe. 5 Z6 F: r$ \0 ^. A/ V' sUSAFLANT U.S. Air Force, U.S. Atlantic Command. 8 `( y9 P# O( Z- P+ s! N; aUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ; u( ~4 \" u7 d4 C( uUSAMSIC See MSIC. % W3 i7 @0 a8 ?3 {; nUSAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC 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. 6 V. Q) v! x' F4 n. L9 @1 l! UUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. 8 t N- z* Q# m1 j, zUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). 7 ]6 k6 C& E/ q7 N3 K" T5 \9 JUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 0 S: `6 Z N1 S, K1 e0 W7 \USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. 1 A: t4 I! i6 R \7 |; [ YUSB Upgraded SBD. USC U.S. Code. 5 c% x7 k- M- c# ^8 wUSCENTAF U.S. Central Command Air Forces. 8 R4 n2 {9 E4 u) f- f# @MDA GLOSSARY, VER. 4.0 U 313 : Y% c Q$ e( ^0 i5 r5 {USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. # i8 t x t$ R2 m" R& O/ k3 nUSCINCEUR U.S. Commander in Chief, Europe. , p7 R) N( D9 ^- F3 \USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. ! u, v" N9 Z4 {4 ZUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. 6 h! K) C1 q$ l! t. J5 P$ ~9 VUSCS 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.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. 1 @6 [. R& ^. oUSDA United States Department of Agriculture. + c4 `* o q* d: U0 q0 I+ e: hUSDAO U.S. Defense Attaché Office. # b3 M+ Y/ p$ RUSDELMC U.S. Delegation to the NATO Military Committee. " y0 D- T0 b B! U* g' ^" NUSDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to ( W" F, ^- F! \- h6 V# a# H5 moperate it successfully and easily. User Operational Evaluation . L- u# K/ G6 p% w% w5 aSystem (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 * T. J6 y1 d8 K% N" ctraining for a system proceeding through the normal acquisition process; and (2) % K) M( u b: D- s- K. ncontingency defense capability should the need arise prior to completion of the / k$ U% g* Q# m j4 A% {normal acquisition cycle. ) K, C' q7 P5 S q( G, Z* fUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. $ _8 a' `% \/ n$ F. ^, r' e( y& [USFK/CFC CSFK Combined Forces Command. USG U.S. Government. 9 y0 s5 Y1 n5 G, u) K; z! {9 aUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 ; j# v Q r# [) w' u0 A- BUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. $ y2 i% a4 m7 c* u3 C7 aUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 1 m- w4 G7 ^( N m8 cUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. ( b* q& J5 Z5 W/ m& Z7 Y! F& ?USMC United States Marine Corps. # M: v3 U* P% X$ f1 z1 H! }' ?' j) KUSMCR United States Marine Corps Reserve. - V9 V% ]( x! X, G9 aUSMILREP U.S. Military Representative. USN United States Navy. $ V! o6 v# n/ \1 n- V- w, f sUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. ( `) e5 ~7 d. d9 Y/ W5 p& KUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. 7 P& q9 ]/ J- a7 y, G! GUSPACFLT US Pacific Fleet. * ~/ ?0 v4 o1 y- `5 L u/ @USPACOM United States Pacific Command, Pearl Harbor, HI. % r( s% j1 m; ]9 N+ K n' dUSREPMC U.S. Representative to the Military Committee (NATO). : d( X( F8 |1 N7 n6 ]) I5 zUSSC United States Space Command. 2 A/ ~3 q" @2 H% R3 A9 @USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. : {' N; T3 W# l: n4 ?) \0 ]) HUSSTRATCOM See United States Strategic Command. 0 E" f+ p3 O+ D3 A* g2 E1 i: ?USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. 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). UV Ultraviolet. * {" @6 |* R5 S ^8 hUV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength 0 G, O, }5 P1 sspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V , [8 f- x$ P& M, b5 f) P, y316 V Volt. 0 t, y% {, }# e0 X! \: \+ mV&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) $ h$ t3 I3 u0 b1 G/ gV/STOL Vertical Short Takeoff and Landing [aircraft]. $ o: `% F' x! h' R( S% v4 ?VAFB Vandenberg Air Force Base, CA. 6 a# E$ N5 W/ Q9 BValidation Confirmation that the processes and outputs from a test resource parallel real ) f* H3 ~' G8 x' _2 m" Uworld processes and are realistically sensitive to change in the environment, 8 u6 H+ ^: k& u# J! w. f wtactical situation, system design, tactics, and threat. " D& a3 Z! T8 g/ n) o/ S3 iVAMOSC 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 with the distance from ground zero; or, in damage assessment, a mathematical / M- _/ G1 [7 W7 V0 f9 T8 a/ b" Tfactor introduced to average the effects of orientation, minor shielding, and 7 t' A( B# v+ n1 w/ j. Euncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). 1 h3 [: p$ q/ {& w/ n m" \VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. 4 Z1 a o, \8 ]! c( O: cVCS Voice Communications System. - E! ]) M& d$ c8 x* p: @VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. 3 x* K( W# o9 C" U& x% Y; r" d5 qVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. 5 T( s5 f; N. N) B, jVGA Video Graphics Array (Telecomm/Computer term). : N: r% t' T1 w' T" _' b9 W8 |4 ?VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. ; C' ^6 G% U3 ^+ MMDA GLOSSARY, VER. 4.0 V ; [9 K1 N" i0 X# ~! X& t1 F317 VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D 4 ]% L* k2 h; p8 Y& U. mExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 8 {, N6 Q. L# w: k5 SOperation Per Second (OPS), using a mixture of experimental three-dimensional , j/ L5 l# f' D7 x) f/ Z1 v+ rcircuitry and commercial components. Project also demonstrates VIRGIL, a # C# z- O( W6 ?gimbaled airborne sensor with visible, experimental UV and quantum-well IR / i, Y2 Z9 H5 {& \cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. ' s- Y. o; V0 x% F# NVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) 4 h. M6 q7 _3 h. j3 R |The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the clarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 2 ^& f& V) c3 L. p6 E1 |: }kilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. . d" e" |0 T$ ^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. % c" J6 S/ i1 fVLSIC VLSI Circuits. / l; x, H0 Z8 ~+ m: c# y0 L# t3 sVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. 7 b% O, K/ N0 \VMF Variable Message Format (Telecomm term). # z& N5 l: E/ K% L8 UVOX Voice Actuation. , v9 s, U0 N, f T( [- r* FVRI Vanguard Research, Inc., Fairfax, VA. ' [/ I- F$ Z* \; PVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. . y% ^. O5 a$ J& ~. ^, bMDA GLOSSARY, VER. 4.0 V ; x% u! T+ k4 M5 M% n' p) @6 S* _4 Q318 Vulcan UK bomber. ) R9 k% r+ ^( d, O+ L5 UVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 W/ With. w/o Without. y) t' C3 m+ W. @3 |W/TD Warning/Threat Detection. WAA Wide Aperture Array. ) l3 h- \# c0 _" J) lWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area " r5 _+ b/ S0 r# }' PMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. + C, ~8 U$ O0 ]9 `% G6 SWar Game A simulation, by whatever means, of a military operation involving two or more ) P G0 V9 f* Y$ e: R7 a2 H5 bopposing forces, using rules, data, and procedures designed to depict an actual 5 P6 C w8 p: P) p% F7 x# |+ bor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the 6 Z% `# d- i* L) V% B: [JNTF for use in CONOPS validation, missile defense program design verification, 1 s9 R1 g! F! ~2 D7 \3 r6 u$ `validation and accreditation, and support CinC/Allied wargames and # z5 g0 B4 N0 k6 L8 I h! jassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. ! Y, a* E7 f0 h. k. {+ UWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, 9 h8 V2 {% B1 C! Q% Kairframe, motor, or guidance section. 4 C/ d6 ^8 e3 Q( o! oWarhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. 8 X. `: U$ {2 O7 HWarning of Attack A warning to national policymakers that an adversary is not only preparing its k) d% L- q: }2 |% w- z$ karmed forces for war, but intends to launch an attack in the near future. 7 n( F- @% O8 T% |5 SWarning Order A preliminary notice of an order or action that is to follow. 6 K) k; @" ^) B2 }' B# V. NWARSIM Warfighter Simulation (US Army term). . P! {6 S- a9 }* }- j7 \! [WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve / K, p( _; l$ y: v! h- DModes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 5 b7 H/ ^/ l; D0 ]) y2 r* hcontribute to military effectiveness if unknown to or misunderstood by opposing 2 g0 `7 E( G# B4 a7 vcommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. : u3 A" ]# z! j; r: OMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective , E# i% U& p& `0 F, B6 l' zin contributing to the defeat of the offense. 6 K' i2 {0 u$ l5 ]Watch Condition ( P! V6 l; a% i9 N4 ](WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs : W% C0 b, j' K3 Gto watchfulness without raising DEFCON. - a+ P" k5 R/ Z. {7 S0 aWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. ' V. t8 F) V$ f' p; k1 w3 j% eWavelength The distance between two points having the same phase in two consecutive * a0 Z. a" w! ~! `cycles of a periodic wave, along a line in the direction of propagation. ( X6 o1 q9 _- {- e( oWB Wideband. WBM Weapons Battle Manager(s). 9 @ y3 }& \/ m# ~1 a/ lWBS See Work Breakdown Structure. 2 s0 ^2 o _$ LWCC (1) See Wing Control Center. (2) Weapons Control Computer. & l* P$ j2 ~7 u& p/ y9 ^% SWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 5 _! o/ d; O2 b2 N, ]WCS Weapons Control System. 4 T% n7 Q8 _% }WDM Wavelength Division Multiplexon. / Z6 j6 t! y; d1 u# d6 {( Q* o, ^Weapon Enabling The set of control functions without which defense weapons cannot be launched.