航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile ; \* u; l1 S1 D7 l1 D, U; X( KDefense Council H6 W% t( p; p, o+ [(TMDC) ; H2 i$ P1 D( UA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for . w' y, t+ X+ |6 h! U! }$ c$ XAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. 0 n5 I4 u' j( |2 I7 ]* j* m( A# bTheater High 5 m; T" _/ |2 L4 FAltitude Area ; b4 y9 o) _$ |& q: PDefense System (THAAD) / P. ]0 w: }' d5 h. w) k/ K% gA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. 9 R- k# J% \: h+ V# ~7 E1 yTheater Missile # [: F) B( X8 K( W0 V& s# a5 C(TM) % E4 k/ {% S) O( l: {7 yA 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 * e c B* c; c$ gof attacking targets in a theater. 4 [1 @/ T' q% ?2 a: D/ B1 FTheater 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. Theater Missile Defense Ground- Based Radar & h' w+ F+ I A* _(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile ; }2 ?8 p, F/ d0 n+ [2 Y9 C1 vDefense Initiative 7 w* O; B) A6 E5 Y3 X/ K(TMDI) An initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. 4 h- M) X, f8 j3 N+ i$ \, b+ h( WTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ; X8 \* f7 R$ [6 I' N% |7 ?: Athermal energy received per unit area at a specified distance is generally , X/ Z, j: H1 }) u' ~expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or ; P9 U9 T" C8 U3 x8 l: I. vreflected 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. ( `! L$ a k3 d; A+ fThermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal - N4 u) a4 m% E z9 ORadiation ; g$ Q% T: q, X& Z I0 N# A- qElectromagnetic 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 & q& B2 h% s1 x. M; Eultraviolet, visible, and infrared radiations. # I3 ~8 c* e& X2 I2 JThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 3 K# l, G. d7 a, P' Vemitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the absorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) 5 `. U) |" [9 U' Y9 t4 ]MDA GLOSSARY, VER. 4.0 T ( u5 Y- V+ [' d299 6 j# ]+ M5 \4 B# |( `& R+ _Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 9 U+ Y+ t0 {0 yit 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 ; E1 N* _# T* k+ Sexosphere and most or all of the ionosphere. Threat Characterization , \9 n, m7 k( i7 g/ Z8 D- R' R; _An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 8 D0 w. u2 e: y# m: I& u(Threat Tube) 4 H- B2 d5 {8 q1 S1 vA 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 3 e( v* w9 E* U7 W$ Ttrajectories to be represented by a single trajectory in battle management % Z x& |0 Z; scomputation. 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 value (threshold) required to satisfy the mission need and a performance ' v5 f" N- M- a Aobjective. Threshold 9 R! n ~! \. {8 G' SDefense + i6 m% G% g2 K! vA defense strategy that concedes that the target can be destroyed at a price 0 Q9 Q) S C5 ithat is not prohibitive, but the presence of the defense is thought to require the U. `# L9 L. f" I8 ~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. Thrusted Replicas (TREPS) 2 i ~/ y5 Z" c: ^: aConical decoys equipped with a miniature rocket device. Generally used to ) f. X' j' b: p9 T, M8 Gchange the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. : f/ T. x* w( J' v! ITIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 8 w3 F4 p* h8 ?TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). 6 ?, R9 i/ J8 K$ {; tTiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. o6 R$ c6 G, `; G8 t, U- F# ZMDA GLOSSARY, VER. 4.0 T 4 a8 n( X3 J7 O) G1 |300 , @& {, C6 _& h% ~# UTime-Phased 7 F8 m6 v! A! P. QForce and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of : A+ j0 N) ]1 `* \3 E0 E Edebarkation or ocean area. 0 }, ^" r1 M! T8 [; VTime of Flight (Max) " N* z* {5 P' Q, q7 H( h7 wThe maximum time for a booster or vehicle to perform its function from time of launch. 6 K) i! q R: y M% eTime on Station The time the sensor is in its operating position. - d+ j2 H0 ~/ I6 nTime Sensitive - f: ]& G$ t2 e& b# u9 YTargets / C3 l& s9 a7 A( KThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, + L: f' s6 K+ x W2 Wfleeting 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). TIN Theater Intelligence Networks. $ \6 b$ j$ N8 F5 U: B) DTIP TOPAZ International Program. 0 C" f/ a" k$ l2 }4 ]TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar - U z' v+ |9 GTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. 7 |; }) @; p% F$ I" z, W+ DTitan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) : L8 q7 U/ z: Y, rTL Team Leader. TLA Time Line Analysis. ; ?+ {0 V/ T9 g# C+ L9 h1 RTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. * u' v% l3 d% ?0 sTLV Target Launch Vehicle. TLX Teletype. * v% i; k& [& }+ iTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army # }4 { U/ @( L; _6 r; N. ~7 Vterm). 6 j1 g% t+ L" ^/ a2 s7 m$ G" P4 I8 u1 |TMCC Test Monitor and Control Center. 6 m. e/ ]/ y# r" ^4 UTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T # ]- d+ r( ]# Y" }, ~9 h301 ) B. R8 `2 Z( z' _: v- ]+ ?TMD C 3 6 u0 ~; v! K% d% g% PI Those assets that provide connectivity between and among Theater Ballistic 8 r- t2 G' D4 N+ \3 gMissile Defense forces. N+ V% z' d! j# d$ ?5 S3 m# gTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 9 _, e) w) N) \3 M R/ c2 YTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. * J5 r" h0 x) lTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. 7 a" A# v: I; G- W; o$ G9 K( ^TMDSE Theater Missile Defense System Exerciser. " m6 i7 }0 _8 rTMMM TOMAHAWK Multi-Mission Missile. / L X. V0 x1 d, e. DTMP Technical Manual Plan (ILS term). / r# ]" j6 D5 fTMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. 1 p& [8 ~3 l9 WTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. % x: w. j* ]1 m' @) K- R0 lTOA Total Obligation Authority. & }: Y( O8 P9 v D+ dTOAM Tactical Air Operations Module. TOC Tactical Operations Center. : o7 ^# J/ Z# R4 J: a/ Y! w& FTOE Table of Organization and Equipment. 2 w7 E. ?3 x4 x% bTOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal K2 a9 v$ m3 _9 O5 }conditions. 1 [5 C$ ^) ?% YTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. , o) V% i6 p+ Y7 h' a+ R/ YMDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. \! w3 B9 l" }TOOL Target of Opportunity Launch. TOP Task Order Plan. $ A3 O% O% j& I. A/ }# VTop-Down Pertaining to an approach that starts with the highest-level component of a 0 b4 m9 W# W& \' }( ^; @% H8 W( xhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down Design & k7 u2 `! `' D3 D6 @* ^, dThe process of designing a system by identifying its major components, O9 g' V2 P; b9 v$ ?+ Z+ Rdecomposing them into their lower level components, and iterating until the desired level of detail is achieved. % v5 A- ~3 O; c$ \Top-Down 1 [2 E$ a3 w3 Z DTesting 4 w# |' U4 ]2 `; Y4 NThe process of checking out hierarchically organized programs, progressively, 7 J+ A" U$ z! Tfrom top to bottom, using simulation of lower level components. 2 |' x; }$ }' R( o8 T- v" PTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power * J! ]* Z' h% v2 ytechnology to U.S. BMD applications. " b6 p+ P+ {4 H; f. L( r) ~. tTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target & F& M4 i/ q7 b( u7 H. r* F2 n8 qTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. / W9 u: I" t, NTotal Quality - a# k @; U- O' J, s0 M8 D" g! AManagement ; N' K0 o O7 J9 i7 Y. o0 V(TQM) + ~0 V0 |1 z5 p8 TA management philosophy committed to a focus on continuous improvement to 4 |, R+ W3 l% [% R& C0 P5 Vproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 3 p, ~& t* n$ t* F- n hpossessed by a chemical substance not of biological origin. 1 Y; t+ }5 {8 I7 gTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ( e. m! g. d$ R, d2 iTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). ! R2 M" X, Q/ c( VTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 : p- j# X( r( x3 dTPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). % G) ?! l a* e0 l! q& ^, QTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. 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 TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. " L2 U$ Q. S5 M' ATPS Thermal Protection System. 0 A k1 d6 d" u' t2 }/ s& _TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) " w: Q5 R% s% }TQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or , p3 M9 V r& ^6 W* }+ @' P# e9 |) xdomain models that identifies and documents the derivation path , W" T. G4 T2 ?8 g, i1 K" A(upward) and allocation/flowdown path (downward) of requirements and constraints. 2 F7 |4 {' U. @8 K) R: U(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. (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. # ]$ k" ]9 T2 z/ Q(5) The actual path of an aircraft above, or a ship on, the surface of the 3 G! W* x3 }4 L4 Mearth. Track Assessment + g9 }/ n5 m) i: rThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. 3 ]5 ?6 A0 l" b. J+ i, k5 \Track, Birth to 8 C. X( K; u3 r; {) Z0 D2 d) w9 X. tDeath The maintenance of an associated track through all phases of flight (i.e., boost to reentry). 2 c( g( V" Z# y! p1 kTrack Correlation The combining of track information for identification purposes, using all available - V% R# h8 `$ S. k9 `. s1 q( @9 }6 Kdata. Track Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). 1 D# s: D; \4 d$ I' v9 `# k# |MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of - G0 i: ]1 i7 n4 Tthe 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. " w# j2 l+ T7 h3 L% T( {' ]4 D* Q' _Track Formation The process of determining the track or tracks of detected objects. It is usually a : T5 w, I, _ Y2 b2 v; Ythree-step process of data association, track initialization, and track improvement - L% X" A' {; H7 A0 m/ aby filtering. Tracking The act of generating and maintaining a time history of an object's position and , k+ c1 A9 p# z( ^- [any other features of interest. Tracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. # @" {' J3 h4 u) PTracking Range (Max) ' j1 H1 w: t& }5 ^3 \+ wThe maximum line of sight distance at which a sensor can maintain track of an object. 5 z0 w/ N$ J% f1 |+ V: b- e' c6 g, V5 v6 |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 6 L. u0 k& N) ]; U) s, Z. F) `frames. Track Production Area # S, |2 }1 r1 u+ TAn area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. - `' M6 ~7 Z' Z/ V1 `) gTraffic Capability 4 I" r G4 J, g% S) U. ~, {2 r% kMaximum $ r# p3 r6 p0 z& wThe maximum number of objects per unit time which the sensor system can 5 a/ ]7 s& d, R4 Jmaintain track files. 7 C* }. X; i$ DTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. ! u( z1 r9 `" K% n/ \Train Threat geometry with objects placed in a line (string) along the velocity vector of 0 Z0 T5 i$ a) u3 H, D( z& Q. N1 b+ r, @reentry. 1 Q$ X0 d1 F$ W+ u, pTrajectory The curve described by an object moving through space. # w. `) X. c# G e7 V$ o. `Trajectory Histories Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 5 V% R4 g' p2 `: `Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T - R3 q3 {1 P7 @2 P. H) X305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. 3 q: e1 |0 ~0 U. [+ I- kTRANSEC Transmission Security. & h2 B q. x0 D5 G+ UTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. ' D* T2 ~, Y; j8 U) l4 h, QTransition to Production 5 g& W/ X. ]# c4 R$ iA risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to Y2 G* Y0 H# ]( H$ Z5 pensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission 3 J; U9 Y: ^2 C: \3 N( s7 X' m3 `Security (TRANSEC) 4 x' O/ m6 I3 Y+ V" J* Z, mThat component of security, which results from all measures, designed to protect ; D, ~ d. r& Z) x" C7 k9 ~+ @communications transmissions from interception and traffic analysis. (See : r8 G1 K8 P& y8 I( \; }COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is , p L( a5 H, u& U" i5 b+ yencountered when passing from subsonic to supersonic speeds and vice versa. ( s3 U, [5 Z2 F- wTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. + _. {4 Z0 B ^TRAP Tactical Receiver and Related Applications. 7 Z% P" l: d, R8 A" }Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. + H! Y0 |. w" C4 wTraveling Wave Tube (TWT) - Y% ~4 b. A2 J, u EAn electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the $ }8 Y! q4 N8 b6 Tstream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. ) W- B( Y3 U) HTraverse (1) To turn a weapon to the right or left on its mount. (2) A method of surveying in which lengths and directions of lines between points on the earth are obtained by or from field measurements, and used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. 3 p- u7 I1 e: ?; U4 q5 k) P# x0 S/ bTRB Tactical Review Board. TRD Technical Requirements Document. & B! p! K, F0 Q/ e J4 Z% _0 YTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T ' _0 l4 M. v7 A6 j: K5 q306 }! r o1 f% g$ dTRG Threat Reference Guide. 6 d+ l( X/ M5 D) F, W7 l, W2 XTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 1 D1 d. x" h+ i( zTRM Technical Reference Model. $ D1 Q& ~' j' LTRMP Test Resources Management Plan. % C, Q4 m4 d; U+ YTRN (1) Task Requirements Notice. (2) Test Requirements Notification. ! B' z1 W" O8 e3 U; RTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate $ i- z8 s9 c" w) f1 z9 Q' Z+ fauthorizations of the invoking process to the detriment of security or mission performance. % s4 |2 v, h6 f* lTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of 7 V8 {# B8 a& c! L! O! I( Qabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the ' x# V, L e8 W. Wtropics. (See Stratosphere, Troposphere.) 6 `+ \+ E2 ?8 \. b9 A8 OTroposphere 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 6 I4 @8 L/ h3 {- j9 }+ e' rless complete. . R9 O. l+ f/ h4 ?8 |- BTropospheric Scatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. 4 p7 `4 ~3 r& ~, R' k(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. $ p% i, o2 o2 v! O5 t( ~( qTRPC Technology Readiness Planning Committee. ! }7 q' W9 z+ S% f8 BTRR Test Readiness Review. Trusted * m5 c/ P. g P+ n. [Computer : k/ R. Z1 g: ~& p' KSystem/Software 0 A' t- U% i. C; `3 BA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. ! ~0 D' c t& {: i4 [$ _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. TRW TRW, Inc. ^( S: x0 Z5 F! UTS (1) Terminal Service. (2) Top Secret. " v/ o- ^0 f: C6 DMDA GLOSSARY, VER. 4.0 T 307 4 y6 r. M! M- s; M% E- W! UTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. ! B' X2 D& y9 H4 q0 Y# VTSCM Tomahawk Strike Coordination Module (USN term). J# K* q" o( {7 q- ]TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. ' c: q7 h* Y- G1 d7 h7 aTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. ' A. v8 r4 [8 K% _6 kTSMA Theater of Strategic Military Action. TSP Target Support Plan. 4 Q$ Q1 ^, O2 h+ Z8 [/ q* T: ~1 BTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. . {4 R6 P( F% |' U0 A8 V6 KTSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. . {$ H9 u4 g3 ^& ^TSWG Target Signature Working Group. TT 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. 8 H U# s* z, ?) A) N* ^! {4 GTTD&D Test Technology Development and Demonstration. A portion of the CTEIP 0 C$ Y1 y w7 nprogram, which funds the development and demonstration of technologies, 0 v" V' Q2 }( F/ m; |" {/ ?which have significant potential for improving testing. 6 h$ a2 U# [3 K6 v1 YTTEL Tools and Test Equipment List (ILS term). 1 v/ T, E. p' J/ ]5 J; [! }TTL Transistor-to-Transistor Logic. ' [- w3 s0 s2 T- BTTP Tactics, Techniques, and Procedures. L$ }0 N' G$ e* c& ]$ OTTSARB Technology Transfer and Security Assistance Review Board. 4 d4 C6 p% \4 d) b8 k j# c9 VTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. TTY Teletype. / ^! e6 _& k! h/ _3 [: q* cTUG TRACE User Group. . f! L" q' b9 m9 K# aTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. ; F' _2 Y/ u; z2 l5 B$ z* QTVE Technology Validation Experiment. TVM Track-via-Missile. 9 d/ {9 H2 p9 l5 V% hTVV Technology Validation Experiment. TW Tactical Warning. 4 K3 N3 ?! i9 C& m1 W% }9 t, eTW/AA See Tactical Warning/Attack Assessment. ( K1 T2 l$ U3 sTW/SD Tactical Warning and Space Defense. + W( s7 i0 f9 H; |3 [1 eTWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). * P. M+ o& P+ d9 A, c3 q( s" ]! r2 f8 ?TWT Traveling Wave Tube. ( t* }# A$ F4 w4 ~TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. ) w* [& M9 W# F/ P$ v, _/ AType A - System 3 c1 I( Y8 r- v' b0 N5 B4 ESpecification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical & c4 F. S% e" e9 Yconstraints are included. Type A specifications state the technical and mission ! t" d! A& ?& y/ J1 b; Drequirements of the system as an entity. 1 H# S' r2 G# [Type B - Development ; a5 o0 w- M2 M) A* hSpecification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the - |* a+ p! N4 {% A3 q- _5 ] zdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. . H& b2 p2 ~( p* P: k8 SType C - Product , g$ [/ X$ n8 o2 m. w3 p1 mSpecification Product specifications are applicable to any item below the system level, and , A) V2 v# H. r7 E7 ^) A6 ~2 h' tmay be oriented toward procurement of a product through specification of 5 O- h4 _$ q# D' u: ^2 i! Fprimarily function (performance) requirements or fabrication (detailed design) $ P" x2 |- s! Irequirements. Type C specifications intended to be used for the procurement of items including computer programs. 8 d' H+ t; g: m' C0 g$ BTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 5 G* z: E9 t k1 \set of characteristics, and associating the characteristics with a specific class of % t9 I$ l) L/ a/ _% nobjects (i.e., SS-18, SS-24). - e0 L) w" p5 Z! R3 A; [MDA GLOSSARY, VER. 4.0 U 309 U Uranium. 3 c4 A0 L# K& D4 F3 T. u5 f1 tU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. ) @! Y& Y- @0 J: nU.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. UAV Unmanned Aerial Vehicle. $ L2 d9 {: y6 u; V6 P6 L/ }UAV 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. % c3 }/ ^. }% B; ^1 uUDMH 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 2 L0 J1 N! |* [* X" qcapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the 6 a. w' F. k$ c% k. r$ c4 a; kProgram 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 Operations Directive (OD). The UDS was developed and is regulated by the 4 H! y" d9 p& {% S# X0 s( ^Range Commanders Council (RCC).

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UE Unit Equipment. * U7 ]8 m8 I8 [1 MUEME Unified Electro-Magnetic Effects. . C2 A8 A; K* P8 gUEWR Upgrade Early Warning Radar. ' j" V0 x+ }4 W& K9 bUF4 Uranium tetra fluoride. 0 E E& e3 }1 a8 O( YUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U : Y, R" v* I. j) s; F310 * g( I& ~' y; N4 |$ \UFG User Focus Group. 0 r* }8 t7 v7 h; T( O; FUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. 9 q+ s* E% E7 j, E( g3 TUGT Under Ground Test. 3 H$ S5 B9 B3 ?3 i0 h+ DUHF Ultra High Frequency. UIC Unit Identification Code. % l( A0 F6 K9 _ w/ }9 SUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). 9 t2 L9 A7 F# s" d1 u* pULS Unit Level Switch. + z3 ^& _: }9 T2 f; p0 r" DULSA Ultra Low Sidebobe Antenna. ! K, t! C' p! u; q6 eULTDS Unit Level Tactical Data Switch (SINCGARS term). % D* u1 B, J$ w- t7 @; Z2 Q9 HUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet ( y8 }$ }! Q2 J$ W# v3 T; O(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). . G. ?7 I/ @. }) |UMD Unit Manning Document. 7 Z: _& C% s/ tUMMIPS Uniform Material Movement and Issue Priority System (ILS term). . F8 m; j6 B, T. M) R5 q! P0 oUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare 0 f# a9 ~: z1 c% j2 j% z# [" @! CA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 5 y; Q* q; m, W3 fincludes, 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 g; R# B, J! R) M+ FA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. 6 }6 g+ X1 @: c3 W1 R# SUnified Command A command with a broad continuing mission under a single commander and " n# v9 ~) A" C+ Rcomposed of significant assigned components of two or more Services, and / x4 n+ R" z/ x q6 Y5 H. n9 O: rwhich 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 2 `$ G- o/ ?& h/ @. j( ^3 L8 V MUNISYS UNISYS Corporation. ! f; U' n+ q; xUnited States - q3 n$ n/ X0 fArmy : ?/ a" ?) |- \' iSpace Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States 6 `( `) q1 Z+ B& SSpace Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile ; A2 N. j3 w+ P! e( }) j2 ?defense. Located in Colorado Springs, CO. 3 d) M* ?1 i. Z3 N1 _7 I3 u' ^United States Strategic Command (USSTRATCOM) 0 s5 h; k+ g2 s9 a* eThe 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 * z2 e& d8 H4 B# c$ kTransportation 2 d$ z/ {" Q* ~; j" [Command (USTRANSCOM) ; T: @* O( M( S) p0 x0 W$ D1 qThe DoD unified command responsible for providing air, land, and sea % h. M0 ^0 l' e. A' O, Ttransportation 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 AFB, IL.

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Unk Unknown. # { x+ c; f# c/ X% X: {, OUnresolved 4 R+ v- S$ N6 [7 E3 FObjects 2 D6 i3 v: e d9 O0 u2 AObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. * J' S4 u% H4 @ w3 n1 @" m: M8 ~UNSC United Nations Security Council. : H; K. b; E( J* E# B( Z7 U3 e1 M* v2 NUnSecEnergy Under Secretary of Energy. $ P" T5 }0 x* O) n2 uUOC Usable on Code (ILS term). UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). ) b; \; K, I, `" {! S) YURT Upgraded RTD. / Y# z4 o- F5 a9 Q: a, V, _US/UK United States/United Kingdom. " O& B8 ]$ M3 @! R3 R. hUSA (1) United States Army. (2) Under Secretary of the Army. 3 L2 Y0 F( o5 y w$ zUSAADASCH U.S. Army Air Defense Artillery School. 5 s! |* C# b$ V7 rUSAAE U.S. Army Acquisition Executive. 7 i. l9 ]5 i3 NMDA GLOSSARY, VER. 4.0 U ; Z' Y4 ?5 d0 o1 e* f* v# \312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. 0 M; c- s- C7 X2 p( {" xUSAF/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. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. : K& o: q; R3 O- I8 JUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. ' ]8 m- n: O# P3 Q k( J% EUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. " d+ P6 I/ w# O1 g. b- N; _) XUSAFE 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. 2 z5 V/ |* E/ @# v k& o( @( TUSAMSAA 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. % R d4 @+ {2 m& \USARCENT U.S. Army Forces, U.S. Central Command. # ]& }: B" ^2 Q! a- I5 jUSAREUR U.S. Army Forces, U.S. European Command. * D6 Y3 y% x x- e! y+ _USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). 8 C6 {+ a3 `' A8 ^) n, QUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. " t' [9 i. c' j4 f4 x) F8 xUSB Upgraded SBD. 6 C! ?2 v0 W. ]- k. f" R2 ZUSC U.S. Code. ( s; ~3 [" u3 k3 R0 R4 o5 X: bUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 ! g1 T; G5 f0 R- UUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. . Q' U2 G: x2 Z2 V& nUSCINCCENT Commander in Chief, U.S. Central Command. 2 o0 B$ k& f4 E; w9 BUSCINCEUR U.S. Commander in Chief, Europe. 8 {- p& F0 a8 R1 P6 F0 DUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. & \, N ]! O5 xUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. + N/ o. b0 V+ a1 UUSCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. $ f8 n$ K+ T, V& R2 O# ~1 JUSD Under Secretary of Defense. 5 @1 q' E8 ~0 O1 e0 l4 gUSD(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. 8 o+ ^$ U( X! r1 ?% P" ^USD(P) Under Secretary of Defense for Policy. - X! B9 |/ Z$ h8 xUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. ; ^! l4 u* V1 S, K. H4 aUSDR&E Under Secretary of Defense for Research and Engineering. ) l/ C; ^/ s; k7 w; PUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine 4 ~. q5 [0 b; j( P1 q6 [(hardware) or program (software) that is compatible with a person's ability to 9 \3 @" w) b+ j5 m8 Koperate it successfully and easily. / F$ J7 [9 a) x$ d/ x7 tUser Operational ; e% K4 S) f' X# C3 uEvaluation 6 w2 l! e8 D( z2 b( J" F* L5 hSystem (UOES) , W; q3 L' I6 ?) }8 i# PPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ( Y) S' I5 E* r. U% gtraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. & R7 }0 t6 u" H' YUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. 4 ]/ T) Y$ B/ q: P. v! hUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 . E% t4 j. J! S4 Z4 @* _USLANTCOM United States Atlantic Command (Now see USACOM). * u& S7 v; _2 i( p: B8 IUSLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT ; M9 ^4 y* V4 ?$ AU.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 9 p8 {6 T9 V" x- JUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. # d5 O1 Q% a& H; ~* ]! \USMC United States Marine Corps. USMCR United States Marine Corps Reserve. ; \* Q5 D' X) X/ @6 }3 ~USMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. 6 f) j; D& x3 p0 T+ {USNAVEUR U.S. Naval Forces, U.S. European Command. & |% Y& t# I$ YUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 2 f9 \1 n& e" cUSNPGS U.S. Naval Post-Graduate School. : S3 A* x1 N" VUSPACAF U.S. Air Forces, U.S. Pacific Command. + k) U( ?* W+ [: I+ YUSPACFLT US Pacific Fleet. # e- X9 }/ @& P: d* cUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. 0 v/ h2 ~4 ]- v; ?3 j* YUSSOCOM United States Special Operations Command, Tampa, FL. % h( j) F& f! h3 q+ c* D: dUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. USSTRATCOM See United States Strategic Command. & `, ^7 ^# D* p/ GUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. , e6 h: a3 l, a- s( V, ?2 VUTC Unit Type Code. ) |( z8 g+ h6 U, UMDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. , S9 z8 u( h) z# ?) \3 |+ @0 {UUT Unit Under Test (ILS term). UV Ultraviolet. 6 v+ z4 q9 i- M4 lUV Electro- : ^5 n; } M4 B1 g8 c: L$ w! x; xOptics # J+ b4 K# b8 ]Technologies/techniques employed by optical sensors in the wavelength 7 O6 y8 h0 K( j) p- qspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. ( j& _! K; S ~4 w' \# K# r2 fUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 V Volt. * j B& i- f6 JV&H Vulnerability and Hardening. 6 H5 p0 b( [ g* q' P/ ]; m8 j6 ^V&V Verification and Validation. (See Verification, Validation, and IV&V.) 1 O y' d/ @, B3 G& Z# ?: YV/STOL Vertical Short Takeoff and Landing [aircraft]. 5 g& L3 |( c( o7 T0 nVAFB Vandenberg Air Force Base, CA. / u" Y5 b$ t/ i2 j! sValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, ; g8 S$ A6 s. p( |$ Utactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. : s% |* f4 X7 |1 D; l6 U0 C3 dVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases , R0 ^: @$ N% P# ?with the distance from ground zero; or, in damage assessment, a mathematical . y7 Y& ~+ Z6 @) Sfactor introduced to average the effects of orientation, minor shielding, and 6 J; O9 t0 v V! ouncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). 1 d4 S4 y# y. f8 U) ~4 X( J6 ^VCC Voice Communications Circuit. & A8 l$ K; D: L! T2 e. \0 \5 Z9 bVCRM Verification Cross Reference Matrix. $ Z3 ~# Z5 ] g# G& AVCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. : Q# H0 L: ?& ?' n6 gVE Value Engineering. 4 ^. w V/ g# Q4 L( P- Y9 S7 bVECP 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, , h3 I8 T, m vcalculations, logic, and interactions of the system under evaluation. ; f. b0 G+ i3 o& P2 h(2) The process of evaluating a system or component during or at the end / c3 g/ A# [5 J, j a0 v6 _6 M5 ]of the development process to determine whether it satisfies specified requirements. 3 A- Q& X! H+ {8 EVESA Video Electronics Standards Association. 5 W# y0 W# V8 |, HVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). / a- b T, K( R9 {) v, K! gVHF Very High Frequency. ( v) J: ]1 c8 y) k6 LVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 9 @% ?7 \8 f7 Q317 ' L& x1 A( a% u% M* P: @VIDS Vehicle Integrated Defense Software (USA term). * c9 d0 v5 }+ H3 u' XVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 3 ]. w7 Z# w5 z/ T* ?$ }8 HOperation Per Second (OPS), using a mixture of experimental three-dimensional ) A7 m; [" e, b# Wcircuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and , {: n& _+ K. M: yprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. ( D! X; S! e% V. u9 z, d; OVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. , P, a2 ~1 ]/ U3 P* s7 eVisibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 1 z) Z+ t/ b* ?$ f1 {( Z: Njust be seen against the horizon’s sky in daylight. The visibility is related to the 1 d: @7 w) G, x/ |# S' ?9 y* @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 / C4 c) ~6 ~+ V4 n3 ^9 E8 cor fog. The visibility on an average clear day is taken to be 12 miles (19 \2 G. R0 k5 s% ekilometers). 2 G; ?* ^4 v: K( d0 NVisible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of & w$ ?+ b8 p# D# v+ x M' g* ~the wavelength spectrum. 1 x# T" n: |' M7 uVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. ( E+ e7 p3 A3 N! e0 a( g( z2 Q' @VLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. 8 R; W% N. k8 J! }2 HVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. ; l! A& M; J5 AVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 3 I$ q% ~; f3 d% ?3 b3 N318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. 4 z! T8 o4 Y2 I9 mVVER Pressurized water type nuclear power reactor. 5 C( _1 `: Q. P- E) G0 y( ]2 q7 ^VVIRF Verification and Validation Information Request Form. 5 s* ]7 G+ `: u5 l4 d% nMDA GLOSSARY, VER. 4.0 W ) L( {$ j! M- i2 ]319 # ]$ d& }9 l0 k4 TW/ With. w/o Without. 0 c, }$ w4 Z i3 zW/TD Warning/Threat Detection. H" ?5 i7 X$ X" d% C) ^2 NWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. 7 ^0 h7 Y; o, r# oWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area % C) U; b; W; a8 K$ JMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more ! T, s' q" a6 P5 }8 l, i S" jopposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. % T, |9 h) F4 BWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the ( `6 A/ g2 C6 ^* P0 S2 L0 RJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and & q' X+ K& E4 d# Bassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. / D! l$ M5 c2 N4 l, ZWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, " a/ l. e; q+ d9 P6 y% Oairframe, motor, or guidance section. - L( a+ a, ]- M6 i: E" h7 sWarhead Section A completely assembled warhead including appropriate skin sections and related # l& A/ w, b8 B% d/ Ocomponents. ( M0 Q4 z, @& T' K( A+ @9 t9 t& \3 TWARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its 5 C7 q7 }% X3 }/ Marmed forces for war, but intends to launch an attack in the near future. - M- O) a; I0 M6 {: AWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve ' E8 I. X2 E* L1 B! D# a. ]Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will $ P7 b; ?8 c" X& ?& Rcontribute to military effectiveness if unknown to or misunderstood by opposing 0 K* u, X1 h6 ~5 F" K9 b* d0 Ocommanders before they are used, but (2) could be exploited or neutralized if 0 k; l2 d. V0 O8 R1 ^6 Tknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to 9 ]+ y' S, {; i2 l8 D- f( qsuch use. 4 C: K7 m k* Q0 R! X& UWAS Wide Area Sensor. ( R) C" q/ F, ?* @' FWASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 ( g# l; K5 \% j. eWASHDC Washington, District of Columbia. ; D+ n% `- W0 n; E9 O+ N2 }5 IWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. + i/ k+ J, Q) U- A, l! ~" YWatch Condition 9 ^" J6 P& z3 ^7 C w8 a(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. & b1 P) r. [' C! hWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. c* B* q" T! T$ t0 P! Z' z3 K* XWavelength The distance between two points having the same phase in two consecutive $ t+ V. @/ l8 j2 j3 Ccycles of a periodic wave, along a line in the direction of propagation. - E1 n$ l o. RWB Wideband. " c3 m& s. A$ j( Q. [WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. 0 g6 |0 q. o6 ]3 fWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). ; {5 m" l$ S* iWCP (1) Weapon Control Processor. (2) Weapon Control Platform. * r# o' o7 U6 L" ` N5 I* }WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.