航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 9 l m2 M6 h' ^: M" B% q298 Theater Missile ]8 h3 j+ A' VDefense Council (TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for 8 f, U& o0 m( r3 G" @0 WAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. 9 { w. {; a/ c9 l1 L$ z' c, WTheater High S# o1 l0 o& m( U6 b0 Y7 tAltitude Area 8 f3 ^& f: {: x- P- Q8 r8 P+ UDefense System & n4 g( T) ]- G5 i1 E5 p(THAAD) $ C5 [) B& N3 s7 o+ J, aA ground-based, air transportable interceptor system that will provide wide area 9 R; p0 t" j7 o* g+ n. j- Zdefense 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 3 T3 g" l1 f( o% d; i% F/ }PATRIOT. Theater Missile ' {3 Q5 Z4 p o( u(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 4 `- d5 m/ D# a0 D/ Qof attacking targets in a theater. - m. s0 L2 \1 ?0 E' f: K- e `: DTheater Missile Defense (TMD) & S. n) x9 q( p j8 g% A' D; COBSOLETE. The strategies and tactics employed to defend a geographical area + Z# g6 t" Z! ~0 voutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. ; \7 j' a4 v! Z, J" @Theater Missile 9 |7 t' B( V1 s2 E- a& ZDefense Ground- Based Radar (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 & x$ J0 \* F C/ Z; a/ E. DDefense Initiative (TMDI) $ M! L- o- `( Q* c. y; t, DAn 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 $ L$ m. ~( W/ t- M6 C(Public Law 102–484) directed establishment of a TMDI office within the DoD. ! G- G& W6 m& [THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally ) v6 U! k( z* f! h! i7 X% pexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or . J- M, Z |1 X& \# {: M- |reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree 2 |3 ~ p3 E8 l, k" ]. M! wthat structural components fail. 5 _7 g% w+ w Z# M8 h/ oThermal Management ' k" x" M4 B9 U+ PTechnologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal : e# s/ [. ~* O- s. b& hRadiation - v: B q! S* @3 T( T) V- Q" dElectromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 5 e B5 o. n+ K! Zfireball as a consequence of its very high temperature; it consists essentially of ) A* N3 n6 j# Q- Xultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high 9 }# x" \6 H: `2 Ttemperature; 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 ! ~( Y1 C$ p( y# R Yin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) " B* p! i7 A0 O9 H T: b& {MDA GLOSSARY, VER. 4.0 T 299 3 c% m7 h9 w5 \# Q' Q+ \; uThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; ) J" }5 i# ^7 P- U; J( D; hit is a region of more or less steadily increasing temperature with height, starting * \7 L/ T" s, c" kat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 1 l0 @# F4 O; w, A0 P% texosphere and most or all of the ionosphere. " W! w- Z9 q1 r: Z$ ?, rThreat Characterization 8 L' e6 m" f; C& l" k% _An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 6 r! V, B+ ?7 J' ^: u- v(Threat Tube) A tube containing all the objects originating from launch sites and aimed at , E% P! L* H X6 X( ?" F3 ftargets whose spacing is close enough to permit the tube around the object ) v4 a9 K! d7 w& Ftrajectories to be represented by a single trajectory in battle management ; `4 d/ o0 B1 s) p$ l6 {( dcomputation. 6 K& R+ y8 Q( g' v9 ~" I. \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 2 j0 i+ F$ h, O1 e' X. Jsystems and architectures. 2 {0 v5 ~$ Q( E7 A4 M5 `Threshold Performance capability or characteristic level in terms of a minimum acceptable ! C# X9 r6 J! u& f+ bvalue (threshold) required to satisfy the mission need and a performance objective. Threshold - b% c8 i* r2 dDefense A defense strategy that concedes that the target can be destroyed at a price 3 M! Y6 B5 T; @ Tthat is not prohibitive, but the presence of the defense is thought to require the 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) 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 * ]2 D3 }. L! T. M2 Xphase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. % W3 L E1 u$ B. s) cTIBS (1) Theater Information Broadcast Service. & D+ W: F2 d( }: ?0 n(2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. 2 D( O3 u8 g% S p& sTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. / c& E" _( u$ n# }5 KTier An integrated set of SDS elements that address a particular phase of the threat 7 x& B: O# V0 @: ^7 M% h(e.g., boost phase). + W. o2 p% K5 s( G. O! oTiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. z) `$ u. a: r" KTIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased # k) A# p/ \$ q! \4 GForce and Deployment List 5 F6 u8 z3 Q+ f, ]) f# kAppendix 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 % ?# I- a. ?1 G) qdebarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of ' N) d( Y' X! \; t8 Ilaunch. Time on Station The time the sensor is in its operating position. 5 H( A0 ^5 ]' x6 _3 F t7 NTime Sensitive " y( g% `5 W* j, [& t6 G. M4 lTargets Those target requiring immediate response because they pose (or will soon 3 r5 l. S+ K7 ?3 _: D: k Ppose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. " U9 L+ L- d4 nTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar ' q3 ?7 C5 L$ w8 }7 {7 STerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. " H0 p0 ? H0 F: BTIU TIBS/Tactical Interface Unit. 2 I* K, A$ y- N( FTIWG Test Integration Working Group. (U.S. Army) TL Team Leader. 7 b* n+ R* N: ]* LTLA Time Line Analysis. & s. H. m$ [6 v4 z( U" w; p) A6 sTLAM Theater land Attack Missile. 1 j) P6 n0 a3 y# ~2 H% I T, E5 M! dTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. 9 j, g0 o- D" e& sTLX Teletype. 6 @$ c4 F/ Q6 U4 DTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army , w- p$ I5 d a; W$ e" cterm). TMCC Test Monitor and Control Center. - Z# q0 e3 L- O3 X/ U$ e. w7 k; MTMD See Theater Missile Defense. ; b, N$ l y+ o/ ?: B; vTMD C2 Theater Missile Defense Command and Control. ( D& p: j: g3 G8 hMDA GLOSSARY, VER. 4.0 T 301 TMD C 3 4 \& H; H. e/ `( r8 b* H" X6 y0 ?% Z" bI Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. _, K8 K, ^, ~7 E: A6 [/ WTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). ; L7 z$ y) w! G: k7 rTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). $ Q1 J# l9 ?" |% Z KTMD IA Theater Missile Interoperability Architecture. 7 t! A) v8 N- @1 ZTMD ITP TMD Integrated Test Plan. # v" U [% b5 g. P. DTMDAS Theater Missile Defense Architecture Study. ! F$ c( W8 K s9 _TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 4 m$ x0 B- H5 X: u: |TMDI See Theater Missile Defense Initiative. / S0 E- J0 F9 A( u# p `- |TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. ( F6 j4 O- g+ ?5 G0 p3 b. l& H* Q; F# T" ZTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. ( h0 F3 W8 g! P' W4 P' h7 V9 FTOAM Tactical Air Operations Module. TOC Tactical Operations Center. : f4 b1 t7 u, |! C- fTOE Table of Organization and Equipment. TOF Time of Flight. $ b* e6 q+ \8 C7 w! _TOI Track of Interest. & b- A' c1 Q" {; G3 S1 W. gTOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal , X* r9 w# M& W' ^0 Z2 c$ cconditions. 0 r3 x( q2 X; F( r7 OTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 8 q! E3 D- D* B/ O1 Q3 x6 ~302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. 7 J' n9 Z- d) p3 qTOOL Target of Opportunity Launch. TOP Task Order Plan. 9 Y! w( s5 r' w- J) ~Top-Down Pertaining to an approach that starts with the highest-level component of a % q+ q: |4 E8 ]2 ghierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down 7 U9 }* y: b$ t/ ^Design The process of designing a system by identifying its major components, 8 _5 O' {$ n/ A- ddecomposing them into their lower level components, and iterating until the # k5 b! V4 h) E( mdesired level of detail is achieved. Top-Down Testing T4 O$ f- g$ i: QThe 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 6 u4 q' _4 [0 y1 R) R* d- ?; ytechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target , W/ A* l4 _$ ?9 Q' w8 Z5 ~Total Obligation q% N. y# K0 CAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality * U4 x2 @0 e7 X! fManagement # f2 ?4 _) ^6 p4 X/ O7 t& z; V(TQM) 7 z/ Q( r' D3 e9 ~& w6 _$ dA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. ) r: a% I% V; t+ v6 d% bTOTS Target Oriented Tracking System 3 @8 } V h" z# }, p9 `TOVS 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. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. % l$ u5 N) z6 D3 g" ~TPD Mobile Tactical Radar (US). ' Y' Y- d# S& yTPDR Total Processing Data Rate (TelComm/Computer term). ! W4 F2 m/ b' b8 |5 I& p, QMDA GLOSSARY, VER. 4.0 T % p7 z; \( B) Q' k( A303 TPEC THAAD Performance Evaluation Center. 7 t% m8 j1 d' oTPEM Technology Program Element Manager (SDIO/MDA term). ) `& q" p+ U" T0 W, nTPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. $ U* h \+ T- A! b/ JTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). + z' n8 L. L: d7 o$ l# RTPO (1) Test Planning Organization. (2) THAAD Program Office * f% I& h% z U' LTPP Test Procedure Plan. + }9 |. J' v, s# _* l$ _2 kTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. A" @9 v0 P) v6 c( r0 e$ QTPS Thermal Protection System. TPT Theater Planning Tool. : h- L8 [1 a8 _TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or S: L$ `1 E$ T' E4 B5 Gdomain models that identifies and documents the derivation path 2 ?7 q9 T( r! Y; K(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or ; d2 G3 n0 U3 x& j4 Vmore products having a predecessor-successor or master-subordinate 2 P* w9 p- P( r5 ` drelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 9 F1 b1 ]" C8 Z7 w# Q9 V! K(2) To display or record the successive positions of a moving object. 3 i+ }% s2 @5 d7 p5 Z(3) To lock onto a point of radiation and obtain guidance from. # O/ F/ v2 `6 t3 u- \" O: o0 _(4) To keep a gun properly aimed, or to point continuously a target locating + h4 U" {% L8 h! O! a Rinstrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. 2 `' m, S& D" _+ r. aTrack + k/ \# U5 d: y9 M; IAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly - R' S+ M. R8 n% o" a' q( C4 Win the track may indicate a hit. 0 n: Z. t* N6 `( d6 J1 C; NTrack, Birth to Death The maintenance of an associated track through all phases of flight (i.e., boost to reentry). : x3 G5 k$ ]6 k& m$ q0 K' F! hTrack Correlation The combining of track information for identification purposes, using all available 9 [7 W: ^% s+ ~. c Jdata. 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 & c ~# {1 r1 S% s ]+ bor place (e.g., reentry). 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 # k/ m6 \6 G+ C" H: C2 N3 b. Mthe above. 0 L1 }1 E ?0 O: H5 r! N0 b, |Track File-Track . m* |+ e/ \4 h% x2 m2 V7 y5 M' uHistory & z; d/ f& C9 ~! a$ u6 b* TA 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 8 w' l. O- `8 B( C1 i& |three-step process of data association, track initialization, and track improvement by filtering. & I( R: t- a' L& V: m% e+ wTracking The act of generating and maintaining a time history of an object's position and ?9 m2 e& p9 [any other features of interest. 6 z& m5 k& \! ]) t8 dTracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is 6 f- W, `) S8 T9 g: x- l) jsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing " s; P" v8 K4 mare frequently integrated operations. # a9 l# z% o' a2 E. rTracking Range 6 g5 c1 C& O; k3 t8 ^(Max) The maximum line of sight distance at which a sensor can maintain track of an object. 7 q! K& ^; l4 {# g" g5 ETrack 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 : R7 l' S7 O2 Qframes. a5 k4 y! I+ a1 z, w9 fTrack Production Area " Z3 Q3 C0 P+ a5 PAn area in which tracks are produced by one radar station. 4 V6 I( a. C( s9 s/ k) q4 A9 STrack Symbology Symbols used to display tracks on a data console or other display device. 1 F' [" b( s5 v/ S- ?9 uTrack 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. ) @$ a$ d1 [4 ~6 WTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. : \( m0 c4 r" k I: XTraffic 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 endoatmosphere. 6 M) `! q+ S% X; V) B; uTrain Threat geometry with objects placed in a line (string) along the velocity vector of F k1 X1 G9 k- jreentry. + j5 w5 ^- Y* R5 GTrajectory The curve described by an object moving through space. + s0 Y$ Q4 h, p( l, F _2 WTrajectory Histories 2 r5 }9 l6 G6 `' J$ U, qTrajectory information on targets recorded over a period of time. % U( Y. L% _$ c2 tTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. 7 j9 M% S+ T$ G- c% Z4 gMDA GLOSSARY, VER. 4.0 T 9 V+ ]% V% F& _' e305 & }* D* j) r" Q7 E1 [TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production A risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a ( y" V" e9 S( ?" pprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission / i1 P1 P: v' c u* w( y, o8 uSecurity 4 h5 @6 J! j* l: t$ z(TRANSEC) That component of security, which results from all measures, designed to protect ( v- K" k( {! b1 O: D* ]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 4 m6 a, y! }4 F. g8 }$ o/ Oencountered when passing from subsonic to supersonic speeds and vice versa. ' h. r* K! i" q* v7 K( OTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. / B8 N6 t. Z- A+ o/ Y3 F/ y$ D- ATrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. 1 `! V* O8 _, {3 ]% `+ v6 zTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or $ I* Y. a( E( t1 Yrepeatedly with a guided electromagnetic wave moving substantially in + V- G- t: p" O* s9 n0 _, ~synchronism with it, in such a way that there is a net transfer of energy from the ( {2 m: V( L" ~0 {' Bstream to the wave; the tube is used as an amplifier or oscillator at frequencies in ' P7 j3 Z& g3 _ \( b7 w9 `the microwave region. Traverse (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. % L" d! G$ Y# ^1 U- UTraverse Level That vertical displacement above low-level air defense systems, expressed both 4 j0 H8 _+ G" K" Fas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. 3 K5 a3 r, Y4 Z8 ZTRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). a( \* a2 |$ S' NTREE Transient Radiation Effects on Electronics. 9 C$ j; u* c# p! f5 |6 ATREM Total Radiation Environment Model. + c! G3 s9 T g' P2 C9 ATREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. 7 R+ U4 d; G! F! ETRI-TAC Tri-Service Tactical Digital Communications System. 7 }4 |( ?1 ]6 O5 p5 W5 `; ^& u, fTRIDENT 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. TRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. 6 ~( Y7 @$ z' r; @5 [9 FTrojan Horse A computer program with an apparently or actually useful function that contains 3 b! P' P. e% ]additional (hidden) functions that surreptitiously exploit the legitimate # i5 f2 P, F5 n |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 : x, ^9 v. h9 r" B; N8 c( |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 # u3 C+ W# J: P, h& p2 Vtropics. (See Stratosphere, Troposphere.) 2 y5 Q( O' F: U5 T2 t% N& FTroposphere The region of the atmosphere, immediately above the earth's surface and up to 9 t. l, F! R5 g1 b( {the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric 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. / D/ q6 J7 G7 w' w(3) Technology Readiness Program (pre-acquisition program status). / e" O' ^5 p; e* R) ^7 Z(4) Technical Requirements Package. ! t9 Q1 E* C! Q8 V; kTRPC Technology Readiness Planning Committee. % n9 e- h% L) S, m, e( ATRR Test Readiness Review. Trusted % Z, p- \6 T' s/ l. Z. aComputer 2 D! N v1 ^* S# Z" bSystem/Software " n) N9 F$ y7 H5 ZA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the * c n7 x5 o$ H/ OTrusted 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. TS (1) Terminal Service. (2) Top Secret. - c1 P# q' b+ ~/ J5 l# S3 uMDA GLOSSARY, VER. 4.0 T ) j9 H! ~4 S: C' d' e$ B5 C4 x# i6 Y307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. $ Y; t) P# C, s; ~# N# zTSCM Tomahawk Strike Coordination Module (USN term). # ^" o# y+ n9 B: l) O3 OTSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. - y' O W; r# u* W7 |$ Z+ q% aTSM TRADOC System Manager. : B4 Y1 \8 L/ s: d ^TSMA Theater of Strategic Military Action. 8 Q, N9 D; j; N" i" fTSP Target Support Plan. " ?" C, T* @. L( aTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. * ~, k2 c% A7 D8 |# X( M, q3 UTSS Terminal Surveillance Sensor. 2 G- f$ l4 k8 G4 N Y/ N) HTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. 3 n# ?9 u0 B1 p" iTT 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. " r& m. r" l% C& k$ O/ m; ~TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, 6 L g5 y7 A ~& j. ~1 i7 Nwhich have significant potential for improving testing. # ~* b& N& m* J8 `8 Y& S2 aTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. / J" V. ?- p# z& W: Y8 V* Z7 ]TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. 8 J4 W1 O9 U, n* _2 V. vTTY Teletype. 9 | C* a' P- v- m2 G1 jTUG TRACE User Group. " T3 b2 Y7 z! D2 u7 i0 z8 P# W2 nTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. . s) C- @. d0 G. nTW Tactical Warning. m) v4 [9 [0 w, u9 u2 M: VTW/AA See Tactical Warning/Attack Assessment. ( }2 y J* ?2 G# v% hTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 8 a9 F2 N* q) J1 `8 lTWS TOMAHAWK Weapons System (USN term). 6 _0 K5 L4 z& Z$ m3 sTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test - V' J' X0 T$ d, u2 f6 Y) Vprovisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission 7 |0 R3 a2 T% D# Q7 C0 a, brequirements of the system as an entity. Type B - Development Specification 2 }/ h8 @7 g, H3 w) A( x: t& M$ |2 J1 tStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of D- S X: V+ t# Y2 M' i- `9 Sthose characteristics. Type C - Product Specification 3 F& _! e/ J) UProduct specifications are applicable to any item below the system level, and 4 y7 j: O' v$ s, y: N" `may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) ' e3 I: X; l: ]requirements. Type C specifications intended to be used for the procurement of 2 X1 h: F& O7 j2 Aitems including computer programs. Typhoon Class of Soviet ballistic missile submarines. , m/ c. _! s9 m L+ ?# x- }" _; ]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). . K8 |1 y# c4 N8 [8 }) R4 @MDA GLOSSARY, VER. 4.0 U - w$ ^: S& O* g. @" q+ x& {$ w309 ! U1 O. h7 O* c ?1 [: CU Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. 0 [& W$ }1 V/ P9 C; A9 r) `U.S. (US) United States. U.S. West U.S. West Incorporated. % x1 i- R* h$ S3 e$ l& WU.S.S.R. Union of Soviet Socialist Republics. ( H- P$ a% O0 x# ?5 yUA User Assessment (NMD BMC3 term). % _$ M, l: f. _/ {* ?5 dUAE United Arab Emirates. ; A% q/ I# J4 p% {; w; DUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. # |- k7 j- P5 r* J9 ?6 G( kUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). * f- v7 j" S9 k- fUCP Unified Command Plan. ( A6 R& A1 j4 X+ Z* _UD/ASD United Defense/Armaments Systems Division. $ ?2 @4 |1 v, J" X. CUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). ' p8 i) n; V: u& [* H9 M9 y% JUDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It 3 X- V( J1 P: `6 l3 Kconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), : y7 i) T8 O* z0 z2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) , n& Q& v7 q% H2 TOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. . X- `3 L6 k, {' V( IUEME Unified Electro-Magnetic Effects. ! \0 u1 L& }5 |& eUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U + u- m# r( t) W n$ A b$ z310 4 y2 N( \7 L; Y) l; o* k% j( ^3 C* C: OUFG User Focus Group. 0 X: x3 S& k0 h. @UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. 6 h; X, m5 C- ~7 uUGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. , }* a& y- k9 \4 x3 ^UHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. + X5 [$ c/ L6 R5 dUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ; U% M( l3 P y; T; QULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ! d+ g) N0 R; `5 `! I/ HULSA Ultra Low Sidebobe Antenna. ) q2 `, M3 ^ `8 rULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. $ s. D Q, r2 M' J+ oUNC United Nations Command. ; e1 P, w: z: kUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion , n& w2 n- V' z4 Cand escape, subversion, sabotage, and other operations of a low visibility, * }, k ]+ h# U* } m. icovert, or clandestine nature. - t+ S- b2 @; a( IUnified Action Armed Forces A publication setting forth the principles, doctrines, and functions governing the 3 v" t* `% p/ N: L9 \; }activities and performance of the Armed Forces of the United States when two or : S% b7 ^8 t& n3 Y' Omore Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and & c/ ~, u) w N+ \# h0 [0 Ucomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary ' @' e! x- j$ Q7 W! `5 \of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 UNISYS UNISYS Corporation. 4 u z" d+ o- g" \6 ^United States Army Space Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command ; F: |* J U+ Y0 l; o$ m(USSPACECOM) The unified command responsible for planning and conducting ballistic missile 2 x9 T- x3 D0 L. @2 Jdefense. Located in Colorado Springs, CO. ' i8 l) e: k3 v5 \: q( hUnited 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 , J& O5 y' Z/ N7 y, A6 Dmissile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea ( z# q$ S6 g! u* j+ w7 t$ z6 _0 htransportation for the Department of Defense, both in time of peace and time of ; r- B F3 K2 P$ Iwar. 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 3 V$ A, [& C2 E+ {5 ]5 d4 h; M6 a& Lon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. # N0 I# Q9 a$ G! n5 R" N/ ]$ F7 cUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be & e+ {0 [" w& C6 V4 \) _indistinguishable from a single object. 7 c4 @% s/ p$ J' C- _( `" O6 e- WUNSC United Nations Security Council. 8 K- P% H- ?& n4 c |8 J$ }/ HUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 5 P u: J7 P7 e' Z8 nUOES See User Operational Evaluation System. - i, @: `6 q& BUPD 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). 1 t8 L# S7 ]. B# T9 K2 NURT Upgraded RTD. 3 K1 g3 {3 r' I* R. AUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. 9 Z2 }+ R. q P9 t3 z! c# Q9 W/ eUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. $ t3 ]2 [9 Z; f0 c% J! vUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. : ]& b) r' @8 v6 t: |& gUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. ) g/ w" L6 ?3 L: b2 S& |8 DUSAF/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. ' }3 b; H+ d3 `7 u8 KUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. $ r" n0 B/ A! t; \, W" y, Z$ c# Y* Q2 WUSAFE U.S. Air Forces in Europe. 8 V0 h+ }! I4 \, i( {4 E# MUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 2 M* i1 a2 }% f7 M: M( J+ _USAMSIC See MSIC. 3 D, t# ^, _# J8 m; s! KUSAMSAA U.S. Army Materiel Systems Analysis Activity. ; K1 |: P% \7 f7 Y) U. `% JUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. $ h/ [$ o+ @- `USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. ( v7 S3 Z* \) x8 f& w# UUSAREUR U.S. Army Forces, U.S. European Command. * V0 v( r% r' X+ ?7 p% uUSARLANT U.S. Army Forces, U.S. Atlantic Command. 5 C: |" i/ s, h; j& Z3 [4 ^. ]7 RUSARPAC U.S. Army Forces, U.S. Pacific Command. 2 R S- Y7 g/ j3 ^% V8 QUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 6 R7 Z) c: s/ A* \9 ~USATRADOC U.S. Army Training and Doctrine Command. ) f- Z/ D( a9 G4 H9 ~. [USB Upgraded SBD. & A) C4 m4 \8 |+ V, TUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 0 I/ A& |2 F {* C4 q) x$ a% r6 u$ AUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. ) ?. Z. h& m Q. @; Z; oUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 3 G& y8 ?' Y, @USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 9 E% r0 h# R! EUSCINCPAC Commander-in-Chief, U.S. Pacific Command. 3 s6 p2 i( j/ t: b* \0 U% oUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. , l2 Z1 E6 j, v6 AUSCS U.S. Customs Services. 7 Z" ~8 {' l9 h- S5 a7 a- ], S uUSD Under Secretary of Defense. 8 F) a; z, n1 uUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 6 K" W6 i" t! ^- u5 Z" j5 ?USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ' R/ G, N& ?9 I2 WUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. 1 x8 m3 T# Y, e- I/ VUSDAO 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 ! U' C4 z. q6 y% e(hardware) or program (software) that is compatible with a person's ability to $ ?2 M( m5 ]) Koperate it successfully and easily. ! V+ t: { T; ^3 u9 HUser Operational 6 J7 {! n9 F: g9 C- \Evaluation System (UOES) 5 v3 R7 h5 {+ m1 u- YPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) & C8 Z$ H5 {- [& Hcontingency defense capability should the need arise prior to completion of the ) Y7 W/ Z! V' A0 v3 o* O& Anormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 4 ]* ]3 Y A5 ?3 C& }USFJ U.S. Forces Japan. k+ L, @- b2 Z* B$ q% MUSFK U.S. Forces Korea. 6 G0 X. f5 `, ^# F9 S5 qUSFK/CFC CSFK Combined Forces Command. " y |4 [2 O D1 l6 [USG U.S. Government. 8 @9 v1 a; N0 G3 BUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U + g; X; ^; I- r2 V! p E3 x. ]314 " n. X4 r6 B. g& b" RUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT U.S. Marine Component, U.S. Central Command. ; V' P @) E! g2 t$ i# lUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. + |, m8 M3 f# JUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. 5 e! f/ e6 R+ X V$ zUSNAVCENT U.S. Naval Forces, U.S. Central Command. " M0 U% {1 ]% z* S, @, [7 w+ @: GUSNAVEUR U.S. Naval Forces, U.S. European Command. 0 O6 l: Z6 t4 Y; N9 ]: S. KUSNIP U.S. Naval Institute Proceedings. 8 n( ^/ g5 p- O1 c& H8 m. wUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). + k4 w: Q/ \1 Z* a- W2 RUSSC United States Space Command. ( e" }* k1 I* Q# ?! l- C7 Z7 sUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. % R# Y/ ` Q% ^ m cUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. 6 x! t. n6 ^5 S) Y* wMDA GLOSSARY, VER. 4.0 U + Q& s2 G5 o. N4 [315 7 U" }* {: s& R3 \6 R9 Z; |UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ) }( F& s6 ]6 t' P, KUUT Unit Under Test (ILS term). 9 z* i6 g a& [0 v$ b, VUV Ultraviolet. UV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). % ?# h1 G: q6 L4 @! bUVPI Ultraviolet Plume Instrument. % w/ A% l0 n- {+ N, Z% OUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 # ?" m$ e" [5 Y v) B! f9 l, IV Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) , u3 ]; ]2 y6 z e( VV/STOL Vertical Short Takeoff and Landing [aircraft]. - }+ x; L: j2 Y, v" pVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real 4 ]1 l9 t1 E4 Wworld processes and are realistically sensitive to change in the environment, 2 T+ Z) J8 {: Stactical situation, system design, tactics, and threat. 3 t! f' Z* @! P2 ^+ s$ q/ zVAMOSC Visibility and Management of O&S Costs. 8 {7 y! i7 s; w& J1 k4 KVAR Visitor Access Request. 2 x' a0 I: ?$ W, yVariability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical 2 e @' ?+ X8 ~, y# gfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. % L" K2 m* ?0 S& KVCRM Verification Cross Reference Matrix. VCS Voice Communications System. j, g/ m2 F1 A/ D5 f& GVDC Volts Direct Current. ! P A; Y2 M7 l* C: UVDD Version Description Document. % O$ O) _' ]3 j% A5 _VDU Visual Display Unit. . G7 c. o- y& fVE Value Engineering. ( M$ U; o5 ^( o. b! r' KVECP Value Engineering Change Proposal. 6 M) U- H/ E6 c) pVerification (1) Confirmation that all data inputs, logic, calculations and engineering 2 J5 z5 Q# _1 j/ B) g: wrepresentations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. 2 y8 F6 I* E, N1 D(2) The process of evaluating a system or component during or at the end q; H3 }: K) ?+ A. k7 c0 kof the development process to determine whether it satisfies specified 3 k/ [# @/ O) v- g( p8 W, X* Hrequirements. / [5 I2 j5 q- TVESA Video Electronics Standards Association. VFR Visual Flight Rules. 0 U$ n- U. S9 ^6 C5 VVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. ! I% A( s) s& K2 PVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 5 f% J6 G' S' O/ \317 5 W6 i( n0 {) `9 BVIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a 6 p# t6 Z7 a$ [- \" Mgimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and : B" D! A1 ?; e1 ^9 C& y) q# A4 Dprecision-tracked with the ANTE processor. * M, V0 a% J' e3 S& O! T6 ?VIM Vibration Isolation Module. / C6 [& n7 p7 l& }( ?VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. + x# @7 h2 F3 h; j, `VIS/UV Visible/Ultraviolet. ! ^5 A" b9 @, D4 E( c7 OVisibility Range ! S! Y9 I d+ {(or Visibility) & e4 C1 Q+ X+ IThe horizontal distance (in kilometers or miles) at which a large dark object can 5 u7 j, U1 m& C F# t Djust be seen against the horizon’s sky in daylight. The visibility is related to the 4 N* C* O6 i; Pclarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 2 ?4 H+ m6 Y. C( }5 ]% n pkilometers). 0 E s" }* }9 S3 q* z+ A: qVisible Electro- Optics 7 m9 O8 }% @# q0 H d( t8 T+ DTechnologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). : u1 Q& ^/ c' `8 J* fVLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. ( H- n, K, e- _ U8 DVLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. ) H+ }. g$ H0 ^6 ]2 W# a! R0 iVME Versa Modular European [standards]. , |3 q2 M& P: a: p: Y2 _7 x7 ~VMF Variable Message Format (Telecomm term). - M9 k1 b$ h ^6 n) }6 Y {VOX Voice Actuation. . q0 e0 |( O% m. h% k; TVRI Vanguard Research, Inc., Fairfax, VA. . [/ Y/ y( s/ _+ E1 p2 vVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V $ W9 Q; E! [; L- ]318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W ! E8 H6 K) a2 X8 E# A9 G319 W/ With. - I& L, C" p- J8 e7 n4 a6 [w/o Without. * i! F& }! K# o9 T- D' f- A- X! W5 lW/TD Warning/Threat Detection. 9 C' t0 S* n8 c. JWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. ( v& h% L3 b$ TWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area & j8 f4 k6 n" U3 d7 B. p; eMunition. (3) Wide Area Mine. (4) Wide Area Missile. - L5 z4 I2 j3 l' GWAN 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 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 JNTF for use in CONOPS validation, missile defense program design verification, ' V' o( Q1 k# wvalidation and accreditation, and support CinC/Allied wargames and 5 W6 C9 b* l6 Y0 Tassessments. ! _+ t8 Y/ M1 f9 u5 ?- NWarhead A weapon, usually thermonuclear, contained as the payload of a missile. 7 l; I( V) W ~7 p1 QWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, . P8 |& w* i5 [: Q* ^, z0 Kairframe, motor, or guidance section. 8 x! Z! ~0 U, V* P: p: X6 [Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. 1 P5 {# m7 v2 @1 y$ n, D- hWarning of Attack A warning to national policymakers that an adversary is not only preparing its 4 L( _ J: o7 R; p% Z5 E- f& F+ uarmed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). 2 v6 q" O& C: JWARSIM 2000 Warfighter Simulation 2000 (US Army term). 0 y8 ]1 v& p- z. f- E( ^Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 7 v: `# K. I7 y2 T% F5 ~contribute to military effectiveness if unknown to or misunderstood by opposing 3 d7 ]2 V0 R. ~8 @4 I6 E9 Scommanders before they are used, but (2) could be exploited or neutralized if 9 g O7 A7 O' d% x& w+ Uknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. . H% s. D5 a0 N# h3 o) ~2 r" X; {WASP Wide-body Airborne Surveillance Platform. A modified DC-10. ! j6 u3 \% x/ S& SMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective ) Q% z0 f7 R8 p+ X7 fin contributing to the defeat of the offense. 6 S9 w- d! Q, V5 QWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. : ]* Y* c" J4 w) x; pWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive 7 o' B. }8 S( X. a6 f. R6 hcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). / m( |! I: J9 ^ O9 b9 ~WBS See Work Breakdown Structure. ( p$ u, i* Q4 J/ O% j( dWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. 7 T7 X+ {8 }- e- o; wWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.