航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 2 ~- t- Q' d; G" n8 M% k298 J* {) I: o9 x, V& \+ a" K6 }/ c- {Theater Missile * m' N' W' v) ]3 r$ I( E5 MDefense Council / T2 _$ a# i! l; j5 t) }8 k(TMDC) A consultative body for considering TMD family of systems planning and 2 `3 f! S! b% B c* k7 Nprogramming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High 4 l' ]3 c V( F, b2 S' P4 }Altitude Area * g5 P% C( ^- {; _9 r( BDefense System * X/ M; u0 a% ~(THAAD) A ground-based, air transportable interceptor system that will provide wide area + B6 o% o! w; K8 Gdefense capability by intercepting longer-range missiles at higher altitudes and at 2 ^( s9 H s+ B3 [3 Dgreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. - x4 T' S5 }" r8 `: |, g# r& TTheater 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 ( d; Z8 ?! y6 x6 N7 ]+ hof attacking targets in a theater. Theater Missile " Y/ m6 N- [. D. }Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile & N$ Y) H+ ?7 lDefense Ground- Based Radar % p% ^6 x- h+ ?( |0 D: _(TMD-GBR) ! C( z* q9 ~ ]9 AA ground-based, air transportable sensor that provides search, tracking and ; i6 R2 p) R6 ~1 Odiscrimination capabilities for the THAAD interceptor system. Also referred to as , o" K: F; q2 ~6 JTHAAD Radar. 4 u) a# {. s* \Theater Missile 5 W/ u; H1 q( d) N- P) C3 YDefense Initiative 2 N* D( L3 Z- v0 H- p4 i& L(TMDI) An initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. 2 ~% p: Q6 F( d) u" x wTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 9 d/ o' Q, ^' W) p: f8 [3 JThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or - G) B: Q' T) T4 ?% t/ u0 g8 ?reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree + p- s$ L! X8 ?! Z& ^# T( cthat structural components fail. Thermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 7 |5 F' a. u2 y# Bfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, 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 2 u' y' {$ h' [temperature; it also is referred to as the primary thermal radiation. It is the absorption of this radiation by the ambient medium, accompanied by an increase & |) Z. S2 ^8 ]" j' t. ~. Min 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 5 g( Y5 K# g1 c3 k e3 ]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 exosphere and most or all of the ionosphere. ) a& Y& s w/ D, zThreat 5 o" w: n& }: N1 R) M: hCharacterization * [- i6 S; q2 `An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) 7 P" _4 ~3 @: w2 Z5 [A tube containing all the objects originating from launch sites and aimed at ! ]0 R6 H2 [+ K& E' h2 k/ c: htargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management 4 W+ I8 i2 }* n% Rcomputation. 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 . ^9 q4 X! r# q# r# P% Z- ]systems and architectures. ; t( [9 e5 G" y% F* z6 i" zThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. . t. S: o( t1 q8 |/ mThreshold ) v1 V% z# R9 z$ `/ T8 dDefense 2 d* k R, n! i, YA defense strategy that concedes that the target can be destroyed at a price 4 {, k$ Z/ x4 r. {that 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. " x) [( P3 e+ [4 v$ T2 HThrusted Replicas (TREPS) + l) y, U- r. W% R7 N3 uConical decoys equipped with a miniature rocket device. Generally used to 4 n% d/ V: c3 @. Ychange the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. ; Z: b1 m% b1 u+ A& }* v9 |" QTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. ) @1 r( q9 N* _. a- l% hTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 4 Y5 \/ x) L9 J& t7 t$ s3 q4 M. rTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. $ r9 L, {+ K" S# t+ n7 N% kTIES Technology Integration Equipment System. $ b' N+ c. e( Y% |TIIAP Telecommunications and Information Infrastructure Assistance Program. 7 Y9 v' Q* a! ~: i. @4 j1 BTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. ) I v- a) {2 h5 I: JMDA GLOSSARY, VER. 4.0 T " |1 f' [+ F$ I1 E( Q300 & P" y' ]6 e! G' ?Time-Phased ! e5 P# O3 }, Z3 Y4 ~* SForce and Deployment List 4 r% H# f, U! tAppendix 1 to Annex A of the operation plan. It identifies types and/or actual & d3 X2 f9 s$ {1 E$ z8 E0 O7 P$ funits required to support the operation plan and indicates origin and ports of debarkation or ocean area. ( B: x" c. F3 z" @) H1 ]9 {Time of Flight 4 p" q: u5 ^! f# L(Max) . m# u! W Z5 IThe 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 ! c# y7 A4 U; z) Zpose) 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. TIMS Training Integration Management System (USAF term). + n) {2 ^3 K- n0 i' s0 tTIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar $ L$ N2 F8 s9 z- L2 J1 WTerminal (GBRT).) 1 }* U: }; v# M* t& r& RTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. , L$ u3 ]6 h) N/ v' CTitan USICBM. 9 G8 d& \* }! a7 u- b; @TIU TIBS/Tactical Interface Unit. / U3 x* L; g, [) aTIWG Test Integration Working Group. (U.S. Army) J# y4 m: K$ B. R1 W$ QTL Team Leader. ' [, ^5 v6 U9 I p8 q8 hTLA Time Line Analysis. TLAM Theater land Attack Missile. 6 F: T& n! e/ P$ v% K( Y: R7 q8 [1 mTLAM/D TLAN [with submunition] Dispenser (Navy term). 5 ?+ R4 z7 L- ~$ Y; \7 UTLDD Top Level Design Document. % b$ J" Q }( XTLV Target Launch Vehicle. & N8 q( G, R4 u$ \TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army ) n# A+ x# \4 v3 Q1 fterm). 3 ^5 l" N# v2 q4 k* ^# tTMCC Test Monitor and Control Center. : y2 k* h1 n2 }& o; ~# cTMD See Theater Missile Defense. # l& C; b5 T1 E7 d$ h# VTMD C2 Theater Missile Defense Command and Control. 1 ~' Y! ?4 O+ O6 _ y& vMDA GLOSSARY, VER. 4.0 T 1 ?+ H9 V; @4 x; @( z3 K) K301 TMD C 5 J4 H& V# G# ~3 H3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. & k* P2 f* y. K' ~& S: i8 ~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. TMD ITP TMD Integrated Test Plan. % V. P7 g$ E$ z. O$ T6 t" a" @0 I- vTMDAS Theater Missile Defense Architecture Study. 2 J$ h1 z/ o1 `& _3 Q! kTMDC Theater Missile Defense Council. & r2 z- W! |9 t( z% D3 sTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. & B) h! e. e" N8 Q3 _5 vTMP Technical Manual Plan (ILS term). 4 q8 x2 e0 f4 A* H5 {( s/ nTMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. 2 U& y" F0 R. U! i. R4 A' O O/ ATNW Theater Nuclear Weapon. 9 y" V. E5 n6 m4 _3 I, h; XTO (1) Task Order. (2) Technical Order. H) l" [8 e. j9 ETOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. 6 p9 `4 U" E8 W0 [2 m( z! P# ZTOE Table of Organization and Equipment. " k* ]' B; Q ?" i$ B/ y8 t: iTOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. + m P+ B& K6 ]1 rTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. / i5 m1 d+ \$ \! c: q9 IMDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. ' X9 T+ r( f+ U( s+ r- }/ CTOMS Total Ozone Mapping Spectrometer (NASA term). * t" x( B- m7 Y" Z6 uTOO Target of Opportunity. 0 g4 U+ ~# z Y; p2 C# KTOOL Target of Opportunity Launch. & j7 Z6 o% J# _ }$ zTOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a 9 I- p: ^) ~9 Dhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down Design The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. - s3 i$ r) n0 \- {1 d7 v4 W- E( MTop-Down Testing ) w8 ]% z! P, d1 x& g7 ]" OThe process of checking out hierarchically organized programs, progressively, - Y8 x! N' u0 N! p5 Q7 wfrom 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. * c. C1 v% ~5 i7 zTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) # C: Q8 M+ ~% ]A DoD financial term, which expresses the value of the direct program for a given 6 F0 r9 ]8 Q( q; }) t* Z( a bfiscal year. Total Quality Management (TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System 2 G7 g3 A. E) B, NTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 1 d% ]& ^) H4 x! v% @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. 1 X0 z: M" N8 y1 }6 Q7 F; H0 OTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). 8 \8 R3 X: t' @7 q: k* lMDA GLOSSARY, VER. 4.0 T 303 : G2 W' S9 h6 ^- x( {' Z) u$ lTPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. 2 H( F% }8 y- U$ F9 ETPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). / h5 U/ _) ]" g7 H9 OTPO (1) Test Planning Organization. (2) THAAD Program Office ! [3 c& Z( B ?2 L5 O; N+ P. ATPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target " E+ y9 G5 m0 r2 sPerformance Report. , d2 y" [. ?/ Z$ F: \" ^# e/ CTPS Thermal Protection System. - t+ T- G% W$ MTPT Theater Planning Tool. 9 l" ^+ n/ q" E2 J0 V) hTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. - s9 W: C8 ^2 G6 B( S; [$ WTraceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path 5 n3 l( N4 r n3 B, d(upward) and allocation/flowdown path (downward) of requirements and 9 a7 ]7 l9 Y- P, c: L2 F7 ~% @constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. ( g' {3 x" G7 K' O1 A(3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating 7 |: n u1 m, `* ]instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track # Q7 z A$ R7 p- _: w1 }5 zAssessment $ }, L( }% I* W1 m- Z5 W. w' oThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. ! G7 i' b; H( H4 sTrack, Birth to & f$ k2 K6 T! {, B: wDeath The maintenance of an associated track through all phases of flight (i.e., boost . J% W0 d# `1 R2 r8 ~2 i8 c+ q$ r1 Lto reentry). Track Correlation The combining of track information for identification purposes, using all available ! R, Y: m# S) d3 f& L( Odata. " Q1 C, |' j' a+ ITrack Extension This term usually applies to improvements in track estimates by use of new data. ( q8 q0 \+ Z( a& \It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T _7 l1 c6 e t" J' D2 ]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 9 x/ ^, e$ V# g$ t5 c' P, M( Rthe above. Track File-Track & Q. y, a6 ~9 e9 t+ h# D# f1 R$ oHistory ' [0 v, |( r& D7 h6 uA set of individual track reports on a particular object, which taken together ' t$ v! r. b2 M' ?6 [9 tproduce 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 ' g) S, C; K' e9 ]' _; N5 Hby filtering. Tracking The act of generating and maintaining a time history of an object's position and " W( Y5 b) b. ]- A+ \* Qany other features of interest. $ k% W, L4 x! M8 U1 F; UTracking and 2 ?% l- n6 t2 r, v1 {Pointing 3 B8 [' p: ~: t5 S5 F/ HOnce a target is detected, it must be followed or “tracked”. When the target is 9 S+ a' Z" w* U8 b+ k( V; Tsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing * v. P2 i. v) H) P& Oare frequently integrated operations. Tracking Range (Max) The maximum line of sight distance at which a sensor can maintain track of an % R6 o. U) ]6 L5 q8 S- W2 kobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector : ?# k; e% q9 M7 Jof an object. The process typically requires observation from a number of frames. 5 P7 L5 [" B8 M4 hTrack Production Area * t. O4 z6 ]; t( h7 w1 i: g' aAn 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 8 c' P8 r) B" _* ebetween 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. ; T- p0 C% }. V0 y0 S0 t3 iTRADEX Target Resolution and Discrimination Experiment. " @/ _6 J$ h: t0 G/ C: HTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. : ]* Q$ u+ v8 I$ z+ bTraffic Capability ( _# G9 B# D7 }# M8 ^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 % d5 F# G0 n: L& W+ @ Eendoatmosphere. * b' ^7 D1 M9 g$ }Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. 4 R6 |- a+ }% d# U) sTrajectory The curve described by an object moving through space. ! I3 c. A3 u. u; yTrajectory Histories Trajectory information on targets recorded over a period of time. ' V9 e$ A( r( a5 }* S+ ^6 c2 L S1 ~/ HTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. & {7 m: @$ F' f8 l- BMDA GLOSSARY, VER. 4.0 T : a: P4 u- ~# g( [9 J305 $ T: E5 E. I+ B2 hTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. ^( {- \ U! ^0 n; [- }2 B) ]TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. . [' S9 ?6 o: ?Transition to Production A risk reduction process during which the program shifts (passes) from + z; z6 l3 ~) _9 vdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission 4 t3 W* K, D7 d! o+ d/ M1 cSecurity (TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 7 d7 X" {) `6 C' }3 @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. * L% q Y6 K% r! A5 [+ STrap Door A hidden software or hardware mechanism that permits system security # O$ |, Z6 g R- `, C3 t/ Z) cmechanisms to be circumvented. 4 W( o- u S+ g, T4 STraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in ( A) r; R8 c+ X- Y' O" N: psynchronism 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. 3 o& [. k( b1 ~% p- y- d. qTraverse (1) To turn a weapon to the right or left on its mount. 9 j% T0 ~8 b8 w) {# |7 M(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 2 u4 G# O! C. C) S# ?7 x, {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. TRD Technical Requirements Document. 9 b) r* O- R/ H4 b! sTRE Tactical Receive Equipment. + p3 i6 k& |! N) b3 sTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. - a; q7 d9 ^0 T; F0 w2 XTREM Total Radiation Environment Model. " U) u' K7 E' S# J6 N7 X! E2 JTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. " G( w( ~0 c! k- X, k+ fMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. " p) a/ B6 m9 s5 `) ^TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). 6 z& ]' t' A: d4 n+ ^9 l1 OTRIDENT II (D-5) US SLBM (USN term). $ ~" b& _% H. R- B' yTRIM Toxic Reduction Investment and Management. ' ^) k/ W; H- ]" W) JTRM Technical Reference Model. ' y% M g v1 x$ CTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. ( ~ m: k" @' |5 {$ }: e$ dTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate ( J' s0 I2 Q: A3 q4 x0 R V5 `authorizations of the invoking process to the detriment of security or mission performance. / l( K0 w- H+ zTROPO Tropospheric Scatter. ( ^7 L `( r6 W {" ~Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the : t2 m4 x( l1 Gatmosphere, 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 ) t3 A( W/ C: ^* J( a9 Q& @tropics. (See Stratosphere, Troposphere.) " C% |- x6 [) K; b, }, g" HTroposphere The region of the atmosphere, immediately above the earth's surface and up to 9 {: f7 C8 ?$ I k/ F3 ithe tropopause, in which the temperature falls fairly regularly with increasing 4 A8 |( D; T7 M! _7 Qaltitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric 8 Y2 i; g% j4 T+ jScatter ( ^/ Q% d7 g8 u) mThe propagation of electromagnetic waves by scattering as a result of + @* T6 a; W# t6 A a; airregularities 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. ; S; c+ U- }2 oTRPC Technology Readiness Planning Committee. . V9 y$ F& ]: J3 fTRR Test Readiness Review. Trusted , p+ q [* R$ z# a( X3 y) F4 ]! cComputer ; }: v4 O+ ^$ J s9 q% ?3 uSystem/Software . b/ f& z7 L t8 QA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. ) H# `; n% B& h& r8 OTrusted Path A mechanism by which a person at a terminal can communicate directly with the 3 W; h; u8 I# U/ N9 |8 PTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. ! K1 F4 k3 E' nTRW TRW, Inc. $ y8 J0 P0 ~) ?# z. M L, RTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 - {/ ]& v( Z" b/ g6 v! m2 `8 FTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). # U* ]9 a2 A1 e$ f6 ?8 b7 ^* STSD Tactical Surveillance Demonstration. ! I( J4 q$ F5 ?; z/ UTSDE Tactical Surveillance Demonstration Enhancement. 9 Y4 I6 ]6 m: c3 G9 g) S; yTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. 4 J8 l2 o8 C- Z1 k0 u8 x3 nTSPI Time, Space, Position Information. 1 q' C5 R) p* aTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. 6 q! k% S( l- ATSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. ; r4 e! B3 E: H8 N w8 @TT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. ) [' B% I7 w, _$ RTTBM Terminal Tier Battle Manager. $ m8 {5 ?" F4 g* L" O, b8 a0 z# _( |TTBT Threshold Test Ban Treaty. * A2 H1 Z' j, BTTD&D Test Technology Development and Demonstration. A portion of the CTEIP " X+ A' z/ }9 I% m4 }program, which funds the development and demonstration of technologies, which have significant potential for improving testing. , O/ D5 [* o: W e3 nTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 7 [8 f7 r) a+ h: z. X( NTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. * c! u: r6 `1 b* Z0 v$ yTTT Test Technology Transfer. 7 f1 w- |/ [0 T- XMDA GLOSSARY, VER. 4.0 T 3 y% W2 l8 k: n# B$ O2 a308 TTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. ' D" u) ^5 `, ]5 ?TV Thrust Vectoring (rocker engineering term). 0 h% m& @; p4 [! H1 { ]/ ^& j( T5 vTVC Thrust Vector Control. / \. O7 k; M" x# I8 `! qTVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). 3 C3 F# H* ^/ }$ r; n( n$ f: X! PTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 1 Y7 M0 d4 _5 e1 s1 D* gTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System + K; x' d/ M+ o# pSpecification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission $ U7 G, H! x4 v' Z$ v, erequirements of the system as an entity. 1 _: C. y; e' Z1 q& Q; yType B - ; c/ L9 t$ V3 `. q) u* _5 sDevelopment Specification States 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 8 N( Q) h: Z; z+ C+ pfunctional characteristics and the tests required to demonstrate achievement of those characteristics. 6 N- |; w3 [; |, m3 X% pType C - Product 9 W$ _5 _2 J+ O' Z) D" tSpecification , F0 d5 O" s# o2 G1 k! J" g6 jProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of 3 @8 ^# k; b7 C9 H Xprimarily function (performance) requirements or fabrication (detailed design) ! L8 M1 G& ]7 t$ arequirements. Type C specifications intended to be used for the procurement of items including computer programs. * n* ?* {/ W+ `7 ]" @Typhoon Class of Soviet ballistic missile submarines. 5 R4 d) w- V. N% v* q( a3 UTyping 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 ! F, R @& w$ H! s8 wobjects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 309 1 ` S1 I5 @' x7 h0 dU Uranium. / G9 m: l" w& h9 u8 `U&S Unified and Specified [commands] (pre-1996 term). ) F. k2 @( P* f2 U RU.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. Z* ?& m# p6 j9 B4 u+ C0 u3 D: DU.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). 5 X7 n* C4 V! T$ I$ hUAE United Arab Emirates. 6 P) U4 b2 |/ aUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. - j7 G# s+ B' D6 bUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). % O } y+ k2 \% ~" c/ P. k' T8 CUCP Unified Command Plan. 8 w! T/ W* A5 M. J& i6 lUD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). / @( k: J' y+ ~3 F- u) V/ y3 kUDS Universal Documentation System. A standardized comprehensive tool for stating ! g$ ^! Z4 m8 Kand coordinating program requirements for testing MRTFB ranges, as well as the 7 D! w2 @% x0 x) f8 ecapabilities and plans of test ranges to support program requirements. It 7 X5 w& k7 H( A! p P- ]0 X8 q- Kconsists of a series of six planning and execution documents: 10 are the % o; d3 |& i3 _1 B1 l0 }Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 5 |+ |+ N1 D# Y) g0 _! n( U9 r) xOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the / Y" x* {* N: W4 [Operations Directive (OD). The UDS was developed and is regulated by the 2 G* g i- v" V# @, ~8 MRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. ; ^( x" }+ Q. k' `( GUEWR Upgrade Early Warning Radar. ' ?2 b( E" {. ~: d- b tUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. ?4 q( D9 J# }# d6 Q% \MDA GLOSSARY, VER. 4.0 U 4 Y4 k" A4 J4 [310 1 { O5 I: j6 o0 w; |UFG User Focus Group. ( H- @; m* n& DUFO UHF Follow-On [Satellite Communications System]. & w& _$ D K8 g. ^$ _UFP Unit Flyaway Price. UGF Underground Facility. 8 ]7 Y: m i4 X& S1 b0 f( bUGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. 0 c J9 i) M" I5 Y1 }UIC Unit Identification Code. ' F4 ~4 S$ k) B" m& I$ o2 y5 S$ TUIN User Interaction Node. , `+ O* X7 H0 o' iUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. ; u4 e1 w. h/ S( E- LUKTB United Kingdom Test Bed. - ]& d) k, \4 f$ C# d7 F$ ~7 OULCS Unit Level Circuit Switch (SINCGARS term). + b' \! f" w( L- u, f5 N5 `ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). + q; n, y" K( I( n' s+ |Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). % E5 }) Q- y) tUMD Unit Manning Document. : D8 `/ c+ N S) t) {4 R3 H8 dUMMIPS Uniform Material Movement and Issue Priority System (ILS term). : E& f' M+ i5 r5 g( B& q- rUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional $ z* ?- T) C9 E [" T7 ZWarfare 7 e# f. x# c" ]" C5 ~0 PA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 9 v j! Z' v7 Sincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. 8 d9 v! V0 f6 H* I' O0 l) j; @Unified Action 1 _) Z, o6 A& A8 I& wArmed Forces , G2 b4 C. E l" }. z- h" R; BA publication setting forth the principles, doctrines, and functions governing the 7 [+ ~# w$ f+ x! Y7 Y6 F# a) `activities and performance of the Armed Forces of the United States when two or 2 C% k( A; S- H9 ]more Services or elements thereof are acting together. , C h' t- S2 l C( ?Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 4 a2 [3 h: c. c' ]1 a& owhich is established and so designated by the President, through the Secretary 6 Z" D! c' A: L5 h: Tof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 UNISYS UNISYS Corporation. 4 b" D0 v; S2 U0 z9 MUnited States Army 3 i( x1 ]7 s2 T- gSpace Command S* B9 F; @$ S(USARSPACE) ( f0 w, ?' s3 I% f9 KThe Army component command of USSPACECOM. Responsible for the Army 8 b' D7 b1 u9 O1 k, S8 Delements of the SDS system. Located in Colorado Springs, CO. United States 9 C" D) q3 G+ K- SSpace Command (USSPACECOM) ! D( V2 o8 t, k3 {' JThe unified command responsible for planning and conducting ballistic missile 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 / n5 O& g( ?& i6 K2 G. bmissile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command (USTRANSCOM) $ A( U! O1 \2 Z% gThe DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of 1 d2 h. n; e; c4 H8 a2 F, E. Y8 nwar. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as T. I0 A- v) V; y m5 _needed to support the deployment, employment, and sustainment of U.S. forces ; B, {) h4 E$ Bon a global basis, as directed by the Secretary of Defense. Located at Scott + A) g" W3 p3 C4 aAFB, IL.

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Unk Unknown. & t" q" c$ @! Q# Y& y eUnresolved Objects : K! l; X% L6 U9 R. lObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. 3 H- V# t2 c1 ]$ G4 C2 s) t. MUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. 8 ]+ P/ n! X4 A9 aUOC Usable on Code (ILS term). t& g8 E' X# B( y: LUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). * f, C7 a! w1 @4 Y0 k$ oURIP University Research Initiative Support Program. 6 u8 t4 f, ]: `2 Y5 IURL Uniform Resource Locator (internet protocol term). - u- |" i- @; m4 E3 JURT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. - B0 h. o, _1 W( d! lUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. ! n% r% v: O: T1 y- g* {MDA GLOSSARY, VER. 4.0 U ( \; N4 ` H) M# T, H9 R9 f9 w312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. # Y& W, j6 ^* @. [; q0 k B% [USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. 8 L q( ~6 w+ o3 VUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. & `) U( b2 l, Y6 X5 ?/ BUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 1 @* y; \3 k7 S+ c+ \: ZUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. # L3 `% b0 Q+ l4 i& R- t7 L$ K" UUSAREUR 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. ) }# n) U2 \8 |8 t. BUSARSPACE 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. 8 H' W' a* B; SUSATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. # j+ X6 m) V5 T- a6 L# r; O" LUSC U.S. Code. 6 f( t. v9 s0 fUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 8 d3 J8 X, V U* w' j9 b0 I) rUSCINCCENT Commander in Chief, U.S. Central Command. / B( O- P3 q4 h- gUSCINCEUR U.S. Commander in Chief, Europe. ( ]* c0 H4 Q2 e; O3 E1 j. Y, {USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. ]* Q1 Y& v1 ]5 h0 YUSCINCSPACE Commander-in-Chief, U.S. Space Command. ) \7 z- U' Q8 }, dUSCINCTRANS Commander in Chief, U.S. Transportation Command. ! H4 G6 Q; ?# [. u7 Q% @USCS U.S. Customs Services. @! |; k& W' w j* \; O) h; }USD Under Secretary of Defense. : f% H" V8 Z+ q, w/ tUSD(A&T) Undersecretary of Defense (Acquisition and Technology). 0 C9 k0 H8 k+ ^4 F; t0 eUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ( Z$ [& L4 h9 _3 ZUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. * q8 D( D+ ]/ v/ A b, _* _3 v$ a% }3 HUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. ) h0 v7 A! `- t# BUSDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. 9 q5 N7 Q0 q8 D* d4 Y7 MUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine ( ~$ H8 P2 G" F, M8 H(hardware) or program (software) that is compatible with a person's ability to 5 m+ ~' R4 e/ [8 ]0 M1 soperate it successfully and easily. User Operational + a! V0 j0 v. r) _Evaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ; X e- W8 ~+ Y) Q: D2 Otraining for a system proceeding through the normal acquisition process; and (2) v" ~+ H6 x/ P4 ~contingency defense capability should the need arise prior to completion of the # H& l' S+ W/ v: L0 ^# hnormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ; g% j; G6 Q9 v( {USFJ U.S. Forces Japan. . J" `$ P0 c8 r8 ^- }( \& TUSFK U.S. Forces Korea. 2 q9 K0 \1 u% E) |# J: |5 |USFK/CFC CSFK Combined Forces Command. / J" R* C& r& l( dUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U : w% G# L/ @# n314 % g: F7 X* w6 V9 ]USLANTCOM United States Atlantic Command (Now see USACOM). , Q$ q- J, c) @+ m: o$ @9 ]2 gUSLANTFLT U.S. Atlantic Fleet. ) }6 W' F" Y2 e! CUSMAR- 9 E4 N( l. r( p* oFORCENT 1 ]& C/ A; c3 V }' A/ O# kU.S. Marine Component, U.S. Central Command. * i' @' a7 s, [9 PUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. 3 ?, x8 G7 h3 X8 Y `/ y% R aUSMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. 4 u5 [. }% c7 R7 @8 w& D, w9 A% U2 ZUSN United States Navy. / O; ?6 }( x1 oUSNAVCENT U.S. Naval Forces, U.S. Central Command. ( n) _* Y& v8 m) y/ J' C$ PUSNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. , q# [7 L2 G5 D! n( NUSNPGS 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). 3 B# l3 A1 D1 D6 T. v7 n" TUSSC United States Space Command. 7 g/ S6 e r3 z b" EUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. + x, p3 o2 N' U# @+ Y4 KUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. 2 Y: r, Q, O' i' [# tUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. . U& h8 E& ?) y4 T: N& t8 x; lMDA GLOSSARY, VER. 4.0 U * x8 ]5 b& d s: O4 L/ d8 k/ |6 S' Q315 UTM Universal Transverse Mercator. ; s d9 t, Z& L: Y7 I4 k% y' b' _UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength 2 L: L+ |+ z7 K* e" ]6 uspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. + y% m8 v$ c; ?UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 0 N; U7 X5 d! {9 O2 G( |316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) # z. B- t: |" X2 OV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation 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. ! Q# }; ]' k1 @6 o" }3 n. \2 ~VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. ; y! p7 y6 ^# `Variability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical + Z7 o' N9 Y( A. c# m( f/ O5 rfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. ) _! ~. Z5 i. u8 i* i/ M/ j5 cVBO Vertical Burn-Out (velocity). 4 o, L' k! T {* O3 q$ ?3 UVCC Voice Communications Circuit. # z' u L( c' gVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. # R# J4 p0 A9 y1 U8 w3 MVDD Version Description Document. " w. Q ]. x( r. n [4 o! OVDU Visual Display Unit. 4 e! d/ o" e0 ]4 [- B! fVE Value Engineering. ) _" O% }% N& L- f0 W0 e7 JVECP Value Engineering Change Proposal. 5 l: Q3 G. ]0 d9 i8 E2 EVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements. 5 ?# P9 H, U, ^1 d' AVESA Video Electronics Standards Association. VFR Visual Flight Rules. + r$ \- N" {/ b: G4 ]: ~5 X# xVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. ! n3 M* w# f! @1 S! E6 i4 h; q/ _VHSIC Very High Speed Integrated Circuit. 1 g0 M* ^. ]7 b. p& K+ z2 gMDA GLOSSARY, VER. 4.0 V 5 n% B( Q0 x$ d9 }/ h317 2 q, P- g8 Z* S8 O1 V* S) NVIDS 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 * l) m9 C/ r; y4 U+ Igimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and * j! `( }: m6 o r# j. J w3 @$ nprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. % Q# I4 z+ ^& ]4 zVINSON Encrypted Ultra High Frequency Communications System. " z# I, w1 p3 tVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) u7 Y% o# j# P, R) ^The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the clarity of the atmosphere ranging from 170 miles (280 kilometers) for an ) ]6 X: a [- Gexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). + G( Z/ @9 J3 ~Visible Electro- 3 z S6 M p2 ?; g& A1 I4 H3 dOptics Technologies/techniques employed by optical sensors in the visible portion of ( |! m& R. ~' e' D% `% s4 F5 rthe wavelength spectrum. , U6 t8 W+ Q% l6 s8 AVLAR Vertical Launch and Recovery (UAV JPO term). 5 r K( ^1 Y- Y: l kVLF Very Low Frequency. 5 A9 B- z! c m5 _% f6 _VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). 5 T3 z8 L& c! WVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. % j& x# A; q, G3 a/ c) PVTOL Vertical Takeoff and Landing [aircraft]. 2 {( B( A0 m: {* rVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 4 I) {, f: U" ^2 A6 k& N' W318 Vulcan UK bomber. ! ^ W. J/ m' w! D6 i, J+ ZVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 + l* j) S3 x; uW/ With. 2 T/ L! j+ l; p, ?, cw/o Without. 8 k' S4 c$ `% e* A) mW/TD Warning/Threat Detection. W, u, h" B3 E0 W5 MWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. 1 m- c! u6 T5 U6 o8 UWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 4 P; d. i4 x7 D3 X/ S5 ^! K( nMunition. (3) Wide Area Mine. (4) Wide Area Missile. 0 f6 D- j8 Q4 j8 l) f" iWAN 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 8 Q. f" X, `/ ~opposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. % [$ S& Y e2 d% r* n8 G% EWargame 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, 0 c. X9 X6 i- a1 h1 Mvalidation and accreditation, and support CinC/Allied wargames and assessments. ; M# M8 T8 \, L! YWarhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, & _* s P; P. E6 O" N+ e% D" x, z4 Fairframe, motor, or guidance section. + u9 v) }. c3 g. T/ ~+ l+ ~+ JWarhead Section A completely assembled warhead including appropriate skin sections and related ! [% T6 k$ Q& X; n6 h( Wcomponents. WARM Wartime Reserve Modes. . c# q- q0 p+ L3 \) Y2 @) YWarning of Attack A warning to national policymakers that an adversary is not only preparing its & ]7 u- j! b, ?: @- O9 L* K, ~( narmed 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. . j# @* Q' F4 v# a( P7 SWARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will X4 y0 `4 R0 Ucontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if 2 V8 G/ j$ a, S# D; {known in advance. Wartime reserve modes are deliberately held in reserve for 9 x M7 N( u: j; G; _wartime or emergency use and seldom, if ever, applied or intercepted prior to 1 @' I W, J) M' W3 rsuch use. WAS Wide Area Sensor. 5 z B5 B X: w6 q, iWASP Wide-body Airborne Surveillance Platform. A modified DC-10. ' e8 A. z5 U: E6 J6 G4 UMDA GLOSSARY, VER. 4.0 W 1 F' H5 H8 A% I$ B$ U1 A0 U320 WASHDC 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. Watch Condition (WATCHCON) " G1 ?9 J- z, N* U: |" [0 YSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 0 @' s0 l; _) Y6 H& ^+ A+ EWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength 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. WB Wideband. 8 O! K# ]. y- U0 t7 A. _WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 7 x: Z, w3 e) H% _* Y8 x5 x* XWCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be ; O; t3 h& Q6 a/ s1 A$ a* jlaunched.