航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 5 k" ?" f) t' A7 ]298 3 ~7 u" N1 {6 P/ n8 y- |Theater Missile Defense Council (TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for $ F0 ]; c/ |8 }; gAcquisition/TMD, membership includes MDA TMD Directors, representatives of 9 ?; v: s4 j8 d3 ~: xeach applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. 0 |. t5 d3 J0 LTheater High Altitude Area Defense System , p: U+ Q# ^ l2 D( N(THAAD) A ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at 8 K8 h" Z0 w4 l9 h5 s- A- A# K. u. b# kgreater distances. Will provide an overlay or upper tier to point defenses such as / r# o, }, U) ]( \PATRIOT. Theater Missile (TM) A 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 - \3 ~- j9 f0 w9 F$ ]. Oof attacking targets in a theater. Theater Missile - d( W2 e/ v; J7 ODefense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, ) {$ ?! k7 t# e* E- Pintermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- ( r( [, F1 z& [& z/ p2 q, j3 ~Based Radar (TMD-GBR) 8 m% z3 j1 e8 NA ground-based, air transportable sensor that provides search, tracking and 9 V9 X/ N5 f; _8 @: Udiscrimination capabilities for the THAAD interceptor system. Also referred to as ; R2 n6 S: m0 z6 [1 S E; j7 rTHAAD Radar. * x7 I9 j$ P3 P3 i* hTheater Missile ! k0 Q& W# R3 o2 t4 z/ u0 FDefense Initiative (TMDI) An initiative under which all DoD theater and tactical missile defense activities are " I% q9 [( _# n( Q1 Xcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 : i6 j( m6 Q" x" F& }3 b(Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 1 I' T3 B' `# c0 S; @thermal energy received per unit area at a specified distance is generally ' |( `2 y' w, t, c1 ?+ T' k" \expressed in terms of calories per square centimeter. * t5 ~4 Z0 M: w J" q# j) n5 {( @Thermal 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 # U6 E( r# s$ f/ [$ Y2 cthat structural components fail. Thermal Management - K4 l7 g8 K t/ M. n. T- l e& Q! XTechnologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal ! L0 ?8 ?) p4 {# _Radiation , W* z/ {6 T CElectromagnetic 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. ( N$ l& J8 b' N3 M7 _Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, ' u1 P2 ?! x8 v" X4 l8 C/ C; wemitted 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 ; m0 ~( }# e2 Q1 |) Vabsorption of this radiation by the ambient medium, accompanied by an increase 3 j+ J: m8 a1 j0 l7 zin 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 4 A5 C, N+ D3 X. {299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 9 E9 W3 ^2 ^* [exosphere and most or all of the ionosphere. Threat ; l" {: J+ i: O$ eCharacterization 2 v1 t1 D1 C' aAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) 8 N, i2 k9 W9 ^ X3 WA tube containing all the objects originating from launch sites and aimed at 8 T4 T* G1 L k7 Jtargets whose spacing is close enough to permit the tube around the object 3 D* p. |' o# t! Itrajectories to be represented by a single trajectory in battle management 5 \- Q& T& B9 p" p# Rcomputation. 3 M8 @# }& r+ z: aThreat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive 4 V* V3 U- B0 u& xsystems and architectures. + P' y1 c* R: L" G; CThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance 8 ?3 E! x8 q i+ ^objective. ( a9 X7 K* G$ q- M# jThreshold + X& ~/ ^& ^8 T( ^% [7 ~Defense 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 ; v9 [! Q( \& U, _; Poffense to mount a relatively large and complex attack. ' {' m' T( r, c2 {Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted + y4 [! H- D o3 I, ^6 ?Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. 8 i$ c# u6 j- _4 Q, Y1 h$ LTI (1) Technical Instruction. (2) Technology Insertion. / U( u6 G7 H+ K. k% _7 g9 X1 DTIARA Tactical Intelligence and Related Activities. 6 Y! n5 [ K3 L2 J( ~3 ?TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. # _+ a% ~! D; O" Z g+ u(3) Theater Intelligence Broadcast System. 1 M% Z( y: N0 w6 A+ l0 U2 yTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. ! P' ]. h# y- g' r9 xTier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. 6 l c5 N3 R! z* m8 T, Y u/ W1 \7 v4 KTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. ( ]' x+ J3 t. ]TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T / M C; Z& C, Y, V6 G. O# y) t300 - H+ X7 f' C$ m6 h4 YTime-Phased Force and Deployment List 4 \- P8 t( Y& d, m, ~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 # B: ~4 V% _" Ldebarkation or ocean area. 1 P3 u* M: e$ \& Y* m0 hTime of Flight # U# c$ m# o d(Max) % @7 d9 }: G# C: ZThe 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 Those target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. " x/ M" `1 j0 i# |& R- K# A# [' vTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. - C, c) v/ o8 R7 ]% }2 ITIP TOPAZ International Program. I: Q) s1 v5 U! S3 Z% |TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety & x6 X2 K7 f ~* mTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. & k0 o% \1 m4 g2 s0 d. mTIWG Test Integration Working Group. (U.S. Army) 3 I4 }* d* Z- n0 K) F, pTL Team Leader. e& o: ~3 k z7 P, p+ OTLA Time Line Analysis. $ D" ]7 y/ A) L/ XTLAM Theater land Attack Missile. _) R* Z9 f. uTLAM/D TLAN [with submunition] Dispenser (Navy term). 7 K; z, n$ D" [: u4 h) T' j. NTLDD Top Level Design Document. / {( r& X5 y6 t. z3 STLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army ^2 S* V" s/ q: @term). TMCC Test Monitor and Control Center. 6 ?2 l! G# J, A3 ~6 t. O8 m$ y2 x* eTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. 5 h; ]1 g0 W5 t& [MDA GLOSSARY, VER. 4.0 T 301 # X5 b! @7 Q3 N8 K) |TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. 7 b7 Z4 m/ B: s7 V4 B* f7 K- \TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. 9 S: |. R T1 gTMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). t* o) P7 G1 f. L* _TMDI See Theater Missile Defense Initiative. 0 A$ v- I7 [) t2 T/ B' |$ ^TMDSE Theater Missile Defense System Exerciser. % ?* b* ]% C* ^0 u# n; OTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 9 \ W' r! I( LTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. & ^; F( O* @! w( i" C+ v4 J" h0 HTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. / I; T5 i# z! P, \TNW Theater Nuclear Weapon. + g# I% R. A2 Q" @- t1 y YTO (1) Task Order. (2) Technical Order. o! O3 U+ g g" \; C4 q) A4 ?TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. / E7 z8 y6 k" t2 ]: MTOI Track of Interest. 3 G) z% T L7 K, F5 wTOIA Task Order Impact Analysis. # L$ E+ U% q, VTolerance The ability of a system to provide continuity of operation under various abnormal conditions. 6 ?) Z% M+ s" v7 J" E5 ^+ o& VTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. ( P& @$ }* U7 U$ y' j- ^1 UTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. ' W% d& m/ ?+ B- _# MTOOL Target of Opportunity Launch. TOP Task Order Plan. 5 A' Z$ G. @9 t( n9 c# X) c% uTop-Down Pertaining to an approach that starts with the highest-level component of a 5 O+ C# ^$ G0 ]. Y. H bhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down + Q: Z* [6 E$ ^- R+ d3 r) XDesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the * C4 x( K: [. Q$ Q5 d, Hdesired level of detail is achieved. Top-Down Testing + j* U$ K3 O# {" K' N# @The 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 technology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target 0 f5 _! `8 V- [' KTotal Obligation : J7 a. P" X' V" x eAuthority (TOA) 5 E7 b, n5 H4 |" nA DoD financial term, which expresses the value of the direct program for a given fiscal year. 8 K. [. Z9 z# F6 P9 PTotal Quality . p' {1 u5 i1 aManagement 4 q x8 t- x, Q0 d4 v$ z(TQM) A management philosophy committed to a focus on continuous improvement to . i6 j7 ]6 @7 H3 A3 c fproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System : R0 {) g6 l, d; y" o7 xTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. 4 [% e& _, \1 n6 Z- K. e4 ~TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T ' x7 x9 m$ G N8 F303 TPEC THAAD Performance Evaluation Center. " O9 e+ c. X+ b' z; b4 @TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. l6 ^5 \' a/ t1 A8 p* K6 wTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. 7 d8 U B9 `* r2 N9 i+ `4 |& ?TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. ; p! t6 m8 R% P% [' K5 ]6 ITPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 0 d* {( B) U0 t! N: ^Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and 4 @ U# w- `6 q7 xconstraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate + T2 O8 G9 H0 V+ g# r5 q9 Vrelationship 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. ; [9 V6 k1 A% ^ _4 g, k(3) To lock onto a point of radiation and obtain guidance from. 7 @8 H+ F+ o$ e$ s) n& s- P(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. 8 z T5 j) X! }3 K4 Y7 T(5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track 8 a9 b# c2 D# E7 S+ Y' d6 b2 bAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. " s/ Z4 {6 r" [Track, Birth to Death The maintenance of an associated track through all phases of flight (i.e., boost 8 v# S6 d2 c$ m* J9 zto reentry). ; E4 P8 U y$ k5 i( D. yTrack Correlation The combining of track information for identification purposes, using all available + K1 x! Z6 j. {6 t* Bdata. 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 ) ?: d+ \6 G; N% wor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 4 f' }' _* n9 a1 E8 D" ~& A: |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 : `! P8 G. m3 ^the above. " j6 C$ _. V" s% a* bTrack File-Track ( |7 n/ l7 \% \* o* [; QHistory - V' a% L \# ^, N M1 g- v, oA 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. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and Pointing $ W$ J+ G$ x, P' \7 o9 hOnce a target is detected, it must be followed or “tracked”. When the target is # _+ X' r3 G' o# ]! ~successfully tracked, a weapon is “pointed” at the target. Tracking and pointing 6 Y {+ A* ?5 r9 n4 \: Iare frequently integrated operations. Tracking Range . @% O1 |9 L; R0 w% V. o(Max) 2 c5 \3 p J& W. q" O/ _& JThe maximum line of sight distance at which a sensor can maintain track of an object. 9 K. g- M/ z6 i, W4 LTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector : `7 [3 G0 C* |5 lof an object. The process typically requires observation from a number of ' w+ S/ C- h% y/ @; ?+ xframes. Track Production Area # o! |5 S* l# N* U" mAn 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 , k7 L' Q1 H- y& Y! C- H. N3 Pbetween command and control systems or between facilities within the systems. 6 u5 r1 X; i0 B2 v3 b: vTelling 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. 8 t) k5 @( r8 T5 ?1 _( m9 d6 WTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum The maximum number of objects per unit time which the sensor system can maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high 8 O" m" f' X7 V- s" ~/ _' qendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of # H4 T: n/ W" R# {reentry. + l" D' X" M' `3 m( q2 j6 O- i9 @4 LTrajectory The curve described by an object moving through space. Trajectory Histories 1 Q6 j: Q7 p! P# xTrajectory information on targets recorded over a period of time. ( f7 j8 J( @% V! T/ jTRAK A data base management system (not an acronym). & u6 E9 ~- A5 P, o$ ^8 N& tTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T , N7 {% X4 c, F6 u: p9 B6 m305 # K3 c; l$ V( L! kTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. - J1 z1 G( `+ L. _5 {TRANSEC Transmission Security. 6 w1 J, H' B6 `6 g9 K8 oTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 7 {7 B: n" n4 |4 p$ Q rTransition to Production : ^- M+ R8 J/ r, B% S: b0 eA risk reduction process during which the program shifts (passes) from 1 u& i3 q0 E9 A4 `2 K; e5 gdevelopment 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.) $ H0 \$ m; C7 iTransmission Security 4 W6 i2 \6 [' I0 ~' y7 h3 Q(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security % R5 q" Z4 g0 o; Hmechanisms to be circumvented. 0 V. q/ w9 w% z0 a( F1 wTraveling Wave * k) J0 @; d. L" W' {Tube (TWT) ( g. x4 E8 n+ w. a* S5 cAn electronic tube in which a stream of electrons interact continuously or 7 R( c/ E. b" p: d: V2 D7 Frepeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. / f% `- U Y0 i) X' T% W2 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 & i/ I4 q) @' @5 A) l$ J& {6 _5 Upoints 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. TRB Tactical Review Board. % ^, g1 N; }% ^& [. STRD Technical Requirements Document. 1 t" [( C5 ?9 C: TTRE Tactical Receive Equipment. ]2 L& k m1 h! Y s* D& eTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. ) Q2 A0 l+ z. y; FTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. % Y" r& C* R* [5 H. v( X( hMDA GLOSSARY, VER. 4.0 T 306 ( A2 C+ l+ _4 {8 j5 S( r* gTRG Threat Reference Guide. 9 s# S$ e8 ~8 \0 Z2 V/ d8 L) X2 LTRI-TAC Tri-Service Tactical Digital Communications System. 7 f4 z$ \* U1 X+ ETRIDENT Class of US ballistic missile submarines (USN term). 0 D I8 ~/ g5 G. o wTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. - S4 T% W. I3 l9 t" h! E- @) |TRMP Test Resources Management Plan. 2 A, K# R% x& ] o% vTRN (1) Task Requirements Notice. (2) Test Requirements Notification. $ z2 v9 p8 w; N: h& [2 a! uTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the ( b6 k6 s3 a% b( [atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) ! ~, C" E/ T% B0 Q l% C& pTroposphere 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 2 J0 q& l$ M" H( r6 X [altitude, clouds form, convection is active, and mixing is continuous and more or 6 q% z( A8 k0 bless complete. & Q$ e+ q0 r8 @2 LTropospheric & ^" O# f! W, Y- I2 |1 V; o& XScatter The propagation of electromagnetic waves by scattering as a result of * o- n: y8 ?% H, Oirregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. " \# m+ O$ P8 R2 ~ ~1 wTRPC Technology Readiness Planning Committee. 6 P$ B' S9 C+ e: Z' GTRR Test Readiness Review. 9 m" i# F! K8 g9 e6 aTrusted Computer System/Software A system or its software that employs sufficient hardware and software integrity , j& `" p( D! y# b9 `% jmeasures to allow its use for processing sensitive or classified information. # Z7 {. d8 P* t1 F# [" X) hTrusted 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. & R' e( B+ L+ N+ F) A, ^TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T % d' n1 l: Z- I1 c3 t. A9 d! @307 / b; ^5 j9 Z4 U. R, nTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. 5 F9 j' p: p3 K N5 j q& x) RTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. 8 v5 E ]7 A$ {8 j6 ^7 eTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. % a& S6 @/ p- p! a. J5 mTSMA Theater of Strategic Military Action. 9 \! C* v" H7 M/ U5 lTSP Target Support Plan. ( w, B& f& r: ^TSPI Time, Space, Position Information. 7 ]4 }# f7 Q8 y; d4 ~. F! a" h5 ITSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. 3 @5 U3 u+ @; zTSWG Target Signature Working Group. 7 E( J' Q" R9 r9 A$ a( S8 cTT Total Time. ( g7 X5 t5 v* J3 DTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). 9 G5 _: U5 G- s- MTTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP 6 k# q4 \1 P( E7 cprogram, which funds the development and demonstration of technologies, which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. 9 S" n, g; j# c$ p9 g. \$ \) v. `TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. % q& F4 ^, O5 N& R" p2 E; vMDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). . f9 ~4 U6 T; Z% nTVC 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 R8 d, S& i- n' [TW/SD Tactical Warning and Space Defense. * G4 l. O) J8 S, A2 {$ Q+ ETWG Technical Working Group. 5 `3 M% I. {' X2 @TWS TOMAHAWK Weapons System (USN term). 8 A' ?, V5 A) m& fTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). " I9 ~ S3 ?, _6 e. W: GTY Then Year (PPBS term). 3 Y- \, P; E2 @0 S: Y8 e5 |TY$M Then Year Dollars Millions. Type A - System & q/ V9 \( Q, ~6 K- nSpecification ' ~3 H& e& v7 |& XStates all necessary requirements in terms of performance, including test / `' ]/ A3 }8 V; wprovisions to assure that all requirements are achieved. Essential physical ; {9 r5 v# o: i+ j" Mconstraints are included. Type A specifications state the technical and mission . C5 ~1 a! k! ]) N* Yrequirements of the system as an entity. Type B - , E1 C' W9 M8 wDevelopment * Y0 E) G% S- A* vSpecification States all necessary requirements in terms of performance. Essential physical " ]/ }" _/ {4 t2 |6 \/ Zconstraints are included. Type B specifications state requirements for the s0 I2 g% m: L9 a- o% H; [3 wdevelopment of items other than systems. They specify all of the required item 7 c" }- G* i+ w( Q5 afunctional characteristics and the tests required to demonstrate achievement of ' o. b% g) O; `- R0 Xthose characteristics. 2 u* J* o' w8 z, C' g9 S P8 e8 r3 vType C - Product 2 y2 T& ]/ U" Z; t# I XSpecification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of / k/ e5 L& |5 f# `( K. b! `primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of * \) R, D" J2 e* S6 \; `items including computer programs. Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). ; D( \+ j- c0 m" g+ t1 Q) JMDA GLOSSARY, VER. 4.0 U 309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). * ]- A) P, [5 ]) ?, T$ bU.K (UK) United Kingdom. & ]/ a& v$ T; `" ?U.S. (US) United States. ) M0 q" H- h/ }/ y) \U.S. West U.S. West Incorporated. 3 _+ Z1 |% S8 J+ X3 tU.S.S.R. Union of Soviet Socialist Republics. % I! Z" {8 J8 p6 H4 |# ~: ]; bUA User Assessment (NMD BMC3 term). & X+ j5 t$ F: H8 dUAE United Arab Emirates. 5 A3 v# f# B- J* }. [ ~2 G+ bUAV Unmanned Aerial Vehicle. 8 |& r" p4 U2 X9 EUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. 1 o9 R9 H) x6 n# X8 i$ CUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). 5 N: y2 X) H9 ^' f1 z; |UCP Unified Command Plan. % ]+ W5 m- b( q; c6 x! \UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the 9 s: n X. t" R1 Y+ a5 w8 X$ ncapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) ; `! e5 c/ e& B) C: h- J6 J' A$ f! JOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the & L$ J* e6 c9 b6 aOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. 3 r) }2 F* `7 h$ c R7 GUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. ! z4 o$ r8 x! DUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 % d$ x) J% A* j% Y3 q R9 VUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. $ T( ~ Q! b# A9 Z# j/ y& QUFP Unit Flyaway Price. UGF Underground Facility. . }' B$ s0 ]: S9 U4 C7 UUGS Unattended Ground Sensors. 6 v3 P7 L+ V; sUGT Under Ground Test. ' A5 ]1 j- I, EUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. 0 f# j0 z( W+ eUKAS (1) UK Architecture Study (2) UK Associate Studies. ; l3 ~% J0 S. T" e; _4 J1 z e0 cUKEADTB UK Extended Air Defense Test Bed. + D# L, ?! V3 P7 pUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ' H0 _4 y- c c8 z4 vULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). * M& V4 a" C$ Q" _0 P+ |. FUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 8 M3 o4 {/ G# U' p(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). UNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ! E6 N+ I p. `7 {5 q1 a+ V3 fincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion ! P# O6 B' |9 dand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action ; w! V- Z# U* `% QArmed Forces A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. ; y6 d U0 v& {" [# O, iUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and " e9 Y. {! Z. Z$ g2 Z1 m* c$ twhich is established and so designated by the President, through the Secretary 3 A* O- {; z5 A8 [; k4 _of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U [& E; l% Z/ R! G2 I! W" M* r$ P311 UNISYS UNISYS Corporation. $ f9 J/ B" o, Q( s: R S Z" ~8 u: {United States Army ( ], @* s/ F3 \0 j" M- q/ ZSpace Command " E f% `9 S2 U8 U( X$ P# [(USARSPACE) * ~6 v" ^$ h! B- b: Y6 ]The Army component command of USSPACECOM. Responsible for the Army ' ?$ g/ n. B, t/ |+ M% W0 ielements of the SDS system. Located in Colorado Springs, CO. United States 0 a4 ^7 f4 q$ T( r: q& r1 FSpace Command % b. S- A7 m# I! Y B: o(USSPACECOM) The unified command responsible for planning and conducting ballistic missile ! F3 S; d9 l8 H# }defense. Located in Colorado Springs, CO. United States Strategic Command (USSTRATCOM) The 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 Transportation ' m4 Y# n4 x* ICommand 7 q R6 W" W# Z6 M1 V8 [& V' \8 q(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces # g. {3 _- E( B0 }on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 4 m0 [7 X9 {' mUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. % }8 h. |( [. j/ ZUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. / g7 \3 t( v' V5 ^UOC Usable on Code (ILS term). . X" `* W% g S7 {' V' XUOES See User Operational Evaluation System. 0 {% ~* L0 U* v, a" A( O" CUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. % I6 Z: ]7 X l4 |$ e! C7 v3 SURL Uniform Resource Locator (internet protocol term). . J- O6 L- N, V. w3 o1 iURT Upgraded RTD. ' j$ Q' X9 ~5 g7 O% D6 {( t' tUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. 1 {! ]1 R/ t- r1 a; `3 K9 ^8 vUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. 8 |( F# s: I H" ?$ B1 Y) zMDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. % P1 ?6 r' Y- R0 vUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. 8 c5 g* J! M( m$ Q5 j2 [USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. 6 o. O0 b! _. k3 c5 ?$ Y4 gUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF / F/ j& }! h1 \/ M# P3 bSystems 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. $ X6 G' _2 H( F* bUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. / p$ Y& W- R, {& K+ z. ]/ dUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. - F0 T/ I$ X8 \1 o6 s8 E! AUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. 6 M, i. X) O7 B: a! o& [& P; NUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. ) A4 D9 A0 A* Z) KUSAOTEC U.S. Army Operational Test and Evaluation Command. 2 i9 W0 @+ y# e# }* ^USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. 7 _: s; t# K) MUSARSPACE See United States Army Space Command. " \, L! G2 R# [1 UUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 1 ]2 |9 I. @8 J0 \3 g% G9 \2 Z8 }USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. ; l- K' T6 F+ N. a) }$ w1 x: NUSCENTAF U.S. Central Command Air Forces. 5 d3 N+ C$ O/ W$ _MDA GLOSSARY, VER. 4.0 U 9 j! f: W0 O$ V n' S313 USCENTCOM United States Central Command, MacDill AFB, FL. ; O5 w, l- a) I8 f% ~. f$ j2 _USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. 3 f# t3 w' J# J! w4 w# _USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. 4 {' h2 C) C) d1 P: SUSCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. 0 s. j3 o9 x( [# J, z0 O, |5 _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. 3 u6 k9 ^- g( W9 _8 kUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine , c8 ?, L2 f+ z0 |! k0 y* A% q(hardware) or program (software) that is compatible with a person's ability to 1 w' y2 e- I! |* [operate it successfully and easily. + F7 G! r& {/ X7 `9 Q# NUser Operational 7 E! t4 _# f4 M' L A# P! R, o. S0 wEvaluation % N8 O" P6 ~' V( V. XSystem (UOES) Prototypical system developed and tested as part of the early phases of the - u) X3 Z- u8 { T9 S/ adevelopment process. A UOES has two objectives: (1) testing, evaluation, and 7 u7 v" h/ y( u0 }1 ttraining 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. . I+ h1 j. L) DUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. & ~& M; q! s+ ~$ C+ h3 rUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U & D b+ m3 x5 r) |5 b( r6 E314 USLANTCOM United States Atlantic Command (Now see USACOM). * i0 ~, y9 n' @USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. 1 F. a" ^& ]( W9 M2 E! v3 VUSMCR United States Marine Corps Reserve. / |& m7 l$ m3 R9 QUSMILREP U.S. Military Representative. USN United States Navy. [4 w( F: D( D+ [/ uUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. 8 n' n) s# f6 D# ZUSNO U.S. Naval Observatory. t; G$ L8 E. gUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. * Q& @3 Y/ K. H3 m; {' eUSPACFLT US Pacific Fleet. - u( ]7 r+ f- P) A) W+ k: qUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). 4 a& l7 Z! T1 G1 K, S7 |USSC United States Space Command. 8 O7 m/ X/ ]7 B# VUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. " r: C' I& R! H- w7 r7 x( XUSSPACECOM See United States Space Command. USSS United States Secret Service. ( j( T8 ?" t9 \2 Y5 OUSSTRATCOM See United States Strategic Command. , e1 n: t" H: n! W1 z( rUSTA United States Telephone Association. $ Z$ l+ j( x" q" p6 FUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U - ]4 { g/ ?/ j% v T6 g5 u6 O) G315 5 R8 a0 p1 v3 q p, bUTM Universal Transverse Mercator. ( z% v9 a* a$ x! LUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 5 X6 A+ e; @2 B$ a/ f9 d0 JUV Electro- & p5 H( f; Y% X5 ^# [3 f7 i3 iOptics Technologies/techniques employed by optical sensors in the wavelength 4 k3 L! k' A% Gspectrum shorter than visible (e.g., less than 4,000 A). ' P) ]1 O n2 G+ k: y+ \% b+ Z- zUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 4 ~$ e: W7 [; |- R: j316 ( q9 v+ b, W2 @( n0 U' `# E. X; RV Volt. : Y9 r6 |- z% ] t: TV&H Vulnerability and Hardening. 7 V9 x1 Z: n3 X; e+ ]0 K JV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. & H4 B3 `& ~4 k+ fValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. . e$ y, V4 `* u- O f% e U# s9 p( LVAR Visitor Access Request. 7 l( C$ ?! {0 ` Q+ p, w9 ^% R KVariability The manner in which the probability of damage to a specific target decreases $ X/ _2 R% Z! H2 ?% ]8 Uwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and M9 j% ?- q* l" p! f1 Zuncertainty of target response to the effects considered. ; [/ k l# @5 GVBO Vertical Burn-Out (velocity). 7 [/ W2 W' e3 \/ c* a. `VCC Voice Communications Circuit. , X! w( ~7 P: E/ ^4 j. PVCRM Verification Cross Reference Matrix. # h' |$ |; U* y' x: f/ yVCS Voice Communications System. % a/ T# S) K d4 y" u vVDC Volts Direct Current. , t( K: J; N R. n; f* L6 HVDD Version Description Document. VDU Visual Display Unit. 7 G. M- ~& ], uVE Value Engineering. " H% V" S8 m9 {# `' g: `VECP Value Engineering Change Proposal. : Y: h4 a. f& l' g8 n hVerification (1) Confirmation that all data inputs, logic, calculations and engineering . q3 b# x6 Q: l# Wrepresentations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. r$ ?% L1 g' f3 F, R(2) The process of evaluating a system or component during or at the end - b9 L* t* Z6 C' H) Y2 n( v- Oof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. , I4 V6 u, o. tVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). : Z5 n0 _4 O0 x: ^$ o7 wVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 0 U: h* I& F( Y" O0 ^MDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). 5 B1 w0 t: y NVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D ! y* L$ d8 k7 X9 y) s& \9 {" d* hExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional $ v7 N( `: \+ I, a9 o3 Z4 Z- U& `circuitry and commercial components. Project also demonstrates VIRGIL, a : n9 U0 l1 P/ s/ lgimbaled airborne sensor with visible, experimental UV and quantum-well IR 7 n2 G9 N0 a# N: s+ Rcameras capable of tracking targets that can be detected, identified, and / B, h) }( W6 }% X; H* nprecision-tracked with the ANTE processor. % x" e( q7 K6 S# \; JVIM Vibration Isolation Module. 7 m% e T: ~: n4 N: ^2 V6 eVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. ; M- ?( f [; ~- G4 j3 {; BVIS/UV Visible/Ultraviolet. & J4 q) F0 t. ?/ `. g0 m! WVisibility Range (or Visibility) ) _) K0 X, ]& I$ I, c4 |The horizontal distance (in kilometers or miles) at which a large dark object can % g9 k4 j) g4 \6 Ujust be seen against the horizon’s sky in daylight. The visibility is related to the {# G7 W+ o8 L Aclarity of the atmosphere ranging from 170 miles (280 kilometers) for an : W8 v1 ^5 u7 c) pexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze + I: K1 p( `* z# d- B$ h& ]or fog. The visibility on an average clear day is taken to be 12 miles (19 ; o7 `5 I9 V4 u# p6 B6 rkilometers). / X7 h; V* i F0 l" e* mVisible Electro- Optics p" l% C' c: u( J( T7 N( _Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. - U- X; E4 D/ D8 |9 E) ?$ dVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. , _' G9 I, m: Q4 @. |% K3 J* ?1 JVLSIC VLSI Circuits. 9 ~9 U, h: u6 U; B2 V8 q6 a1 UVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. . X& V, Q7 d H* \% ?. qVMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. o' V6 }$ N7 {; l) h3 G7 Y3 w( WVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 8 X) p: ^. w* J7 S+ k: JVulcan UK bomber. VV&A Verification, Validation, and Accreditation. : M+ E9 I8 K( e/ ?! O4 ^( T+ dVVER Pressurized water type nuclear power reactor. V" v0 T1 L% u# N2 T7 G- } H# \VVIRF Verification and Validation Information Request Form. 5 q" f3 n' @4 K8 I" V+ _MDA GLOSSARY, VER. 4.0 W : ? a$ ~3 S+ j/ C- ?319 W/ With. 6 ]$ ~! l: `' ^" D/ e/ Z0 ^2 dw/o Without. " s7 U- E# `9 F6 ?8 M4 M0 nW/TD Warning/Threat Detection. / {" A L; o% n6 HWAA Wide Aperture Array. , \+ @4 i1 l3 r( B9 W/ EWALEX Warfare Analysis Laboratory Exercise. & {; U/ p p' M Q+ s; ?WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 1 c4 b/ b8 N j/ a' WMunition. (3) Wide Area Mine. (4) Wide Area Missile. 7 s: e! B. e+ [WAN Wide Area Network (Telecomm/Computer term). ! F+ D% u. N9 ~# v9 m; JWAP Wide Azimuth Probe. $ R$ p2 @& e! }( j- O: _) zWar Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the % F, i, c& s+ C0 m7 t1 Q# M; JJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and 6 Z. q7 Y0 @) W5 f+ Nassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. 2 U. Q6 [/ V) Q3 |Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related 5 R6 R# X4 U: bcomponents. WARM Wartime Reserve Modes. ! w' m& V& I0 vWarning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. - |" A5 i4 R3 h, h; u6 gWarning Order A preliminary notice of an order or action that is to follow. , w% j0 w6 r- q# n9 JWARSIM Warfighter Simulation (US Army term). ! H4 ~: p9 L# R) }: D* iWARSIM 2000 Warfighter Simulation 2000 (US Army term). " {5 K( m0 t3 Y; M5 LWartime Reserve Modes (WARM) 2 C C" R1 A5 w% \Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 8 y9 l- {* W3 L6 K! ~contribute to military effectiveness if unknown to or misunderstood by opposing . k1 a* U, L! z1 V8 _commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for ; j/ M3 i3 ~5 ewartime or emergency use and seldom, if ever, applied or intercepted prior to such use. 3 h5 I1 z9 a* c) z g. s" o$ _9 MWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W - m6 `6 \6 G5 D1 J; n320 / s' X9 Y( o" d8 y6 D, IWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. ; D: w x: Z" b6 ]) HWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. # H. i- |; P0 C( O8 k2 zWATS Wide Area Telephone System. % k! w+ K* T G0 A7 O* m& C/ DWAVE Wideband Angular Vibration Experiment. 2 w! y4 x( l6 f# I7 R% s- CWavelength The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation. ) P S& q: t+ |4 V' u0 G) QWB Wideband. 0 r+ O- h' G, z; BWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. 7 p5 @6 u$ \. l1 XWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. : E2 T( t# i0 `- r1 l* w: G- H3 M/ uWCS Weapons Control System. WDM Wavelength Division Multiplexon. 3 A/ N0 B; v) n7 B9 tWeapon Enabling The set of control functions without which defense weapons cannot be launched.