航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 3 U% m S7 U6 X, o5 z3 }298 Theater Missile Defense Council (TMDC) ! ^" T2 }7 V0 D0 VA consultative body for considering TMD family of systems planning and & {1 }' W. @; u9 k/ p( cprogramming 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 5 b9 e( e' M" V4 V' o& k+ D0 @and Program Managers. ; q1 K- C8 a) d2 @Theater High Altitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area + c8 \/ k$ l, xdefense capability by intercepting longer-range missiles at higher altitudes and at 3 s3 L, b' ?9 p8 ~* O# S5 d' bgreater distances. Will provide an overlay or upper tier to point defenses such as 3 _2 ]6 D8 `$ ^1 _. jPATRIOT. 1 }; ~ |. G3 t8 S c- ~+ eTheater Missile 4 c% t9 g0 S9 v( G5 Y(TM) 7 }2 \3 c3 r# Q& E, {- \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 ' s* L9 Z+ E* _0 [) M0 N0 ]of attacking targets in a theater. Theater Missile Defense (TMD) & c- f/ Q) ]3 M- A0 ` h6 u/ XOBSOLETE. The strategies and tactics employed to defend a geographical area / x0 P6 U4 Z3 i% y" ~1 xoutside the continental United States against attack from short-range, 1 \+ ]% i7 C1 }4 D3 F) eintermediate-range, or medium-range ballistic missiles. ; K. v! C! j5 @4 x6 ]" T( T4 uTheater Missile Defense Ground- " l( \, B C9 _. m/ }% M) aBased Radar / k T2 q- n% L; j6 g7 Q(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and , f) J6 z. ^" M3 Sdiscrimination capabilities for the THAAD interceptor system. Also referred to as $ k$ @0 ~* F# b7 D# k9 N. ^THAAD Radar. Theater Missile Defense Initiative (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. ) f+ r- C$ w6 PTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 2 p5 j1 \ p- k* \+ T" ythermal energy received per unit area at a specified distance is generally 5 S. i5 h) b( n% W& Q" r, R, U7 dexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. - i( M- a0 l% H( s. W4 q# @, FThermal $ e' U3 Z/ r, n/ OManagement 2 p3 A) T7 d" qTechnologies/techniques associated with the control and management of + y9 f2 p; Q) o) \' C! d, kthermal energy, its generation, dissipation, and recovery. 4 d+ u6 j; P0 d$ s6 N" ~! [+ tThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. , ]7 o+ t }& Q% FThermal 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 temperature; it also is referred to as the primary thermal radiation. It is the ' Z& ? A. u9 @: c+ aabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) ; Q% p( I; G3 |( _' z: C8 [8 ]MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 8 R1 u9 x' b( r; tit is a region of more or less steadily increasing temperature with height, starting , O) l, b6 b! K- P( Q4 \2 Qat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) 7 K2 l8 _2 U& f$ _& lA tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object % R1 h% z* z2 o2 ]# d& s4 ntrajectories to be represented by a single trajectory in battle management , t; r9 H+ x2 @8 tcomputation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic ; k* w( `0 B. {% k9 Q4 rmissile defenses for the purpose of analysis and evaluation of those defensive ' E% H7 u9 p5 d/ x. k5 R: s Ksystems and architectures. ! ^3 b7 k9 f" Z4 [0 D1 j# [$ F gThreshold Performance capability or characteristic level in terms of a minimum acceptable 9 j- J" w# y& F) ]* p8 ivalue (threshold) required to satisfy the mission need and a performance objective. : ^' z( d! `3 pThreshold ( I! j$ W" c4 x# iDefense # O9 Q$ ^( P. k! ZA defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the 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) 6 {9 K% h( @/ U B7 cConical 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 q7 h0 w* L* F/ b2 M% dphase. # q+ L' i, ?2 a+ STI (1) Technical Instruction. (2) Technology Insertion. " s; H: Z* o+ F+ \4 K2 J: ATIARA Tactical Intelligence and Related Activities. / ]& k2 |- g) I' WTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. 1 M3 y- Z' j+ ?& iTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 1 {' v& h4 B7 w1 I! Q$ iTIDP Technical Interface Design Plan. 2 w. A% _; Q# W3 o8 i/ STIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 4 V% @# B6 R$ F0 W3 R2 D! STier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). 5 _# \4 k4 D: Y ]2 WTiered Defenses The use of defensive systems at different phases of the missile trajectory. 8 c4 ^' T7 @2 h T7 v- v* fTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. ( {: @* G; V3 a2 BTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T # B* N. U V( w1 P" L3 ^. y2 H% y300 1 B( @, |5 t/ {; a5 j3 @+ x$ f( G6 D5 [Time-Phased % x, a2 N5 m N; s$ @8 jForce and + T- ^2 _- j# dDeployment List " x2 s) H6 Y; c6 LAppendix 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 debarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of ( \. w- q( X( k6 I3 X+ V$ W4 A/ x- Rlaunch. Time on Station The time the sensor is in its operating position. , h; G7 n: j" ?9 m1 g. KTime Sensitive 2 ~- P$ C( j$ E2 f. a0 d' m4 YTargets Those target requiring immediate response because they pose (or will soon $ D5 f) l6 s# lpose) 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. & u" {$ S% P1 p% Y" WTIMS Training Integration Management System (USAF term). " c0 J( h; [: G i2 i6 c. VTIN Theater Intelligence Networks. 6 i5 a. q/ H: {8 d, cTIP TOPAZ International Program. * o9 t# ?: d4 ]0 ?% KTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 9 S# ]/ V! m$ H {# ~8 _Terminal (GBRT).) / B% F, v) G6 w0 j+ y) c" D0 oTIRS Telemetry, Instrumentation and Range Safety ( ?" v9 x, ~1 n; l0 @( ATIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. 6 O8 P q( d& b6 M& fTIWG Test Integration Working Group. (U.S. Army) 8 ?, o9 r) L/ A- PTL Team Leader. TLA Time Line Analysis. % l+ m( ? h9 M$ ?7 dTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. ' n1 q6 h/ S2 x6 C6 ~TLV Target Launch Vehicle. TLX Teletype. - ?/ Q! f: ?4 n9 g6 JTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army 4 I" W( a0 f C6 W! pterm). TMCC Test Monitor and Control Center. ( a) C3 x& ^; N4 k8 L4 @ ZTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. - M5 A5 @ |2 ^! B5 G. V: _MDA GLOSSARY, VER. 4.0 T 301 TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic 6 j" ]; L$ \, Y/ o3 b6 w, OMissile Defense forces. 7 K& o/ ]/ x; {" n1 LTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). ' n1 v! R: b3 R( E: z( {! T+ J. ^TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. / M# W; @2 E5 N3 r/ i9 k+ rTMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. , u7 s2 k! o. i7 h7 c6 ETMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). # |% J- z- K& N4 k9 [3 n5 g8 e# ?TMDI See Theater Missile Defense Initiative. 0 ^' W. m1 L) sTMDSE Theater Missile Defense System Exerciser. 6 b( P; |9 }5 q2 Q' q4 q: t5 KTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 8 \# g# d( D B1 OTMPCU Tomahawk Theater Mission Planning Center Upgrade. : h" X5 N3 u1 @9 O- {2 B: yTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. . W- p0 ~, }. [! JTNT Trinitrotoluene. 1 m8 {, ^0 _$ e7 p5 q: x7 @" xTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. - `! F! e6 `; C4 i3 ^& t' XTOA Total Obligation Authority. TOAM Tactical Air Operations Module. , w8 r1 s# `2 a' I+ n" pTOC Tactical Operations Center. 8 J+ F1 W% T2 S/ r1 eTOE Table of Organization and Equipment. 5 R4 E/ T% d3 G( ~3 U7 R) j0 GTOF Time of Flight. TOI Track of Interest. % h$ X& I2 \6 mTOIA Task Order Impact Analysis. 5 d1 _0 B' S) Y, @Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. & w7 N. K G1 n! X" _1 DTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 2 u( p4 }% b# U2 Q- X) r302 TOMD Task Radar Management Details. , _' P3 @3 C- e h6 `# wTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). 2 F8 X7 t) R, I5 Q. z/ [TOO Target of Opportunity. / m( u5 z$ r$ r( h+ E# b2 UTOOL Target of Opportunity Launch. * C& J, p" Y$ g) T8 H* e7 ]TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a " p0 W% _' K* e0 s& q0 m$ ^hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. 8 l- r) s5 Q# aTop-Down Design 5 i0 ` F) I9 v5 ]3 hThe process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the 4 b5 @# `5 g# d; e9 D* Fdesired level of detail is achieved. Top-Down Testing v2 D; T; y1 c1 [- W. gThe process of checking out hierarchically organized programs, progressively, : E! `' C( V( `! Z* Xfrom top to bottom, using simulation of lower level components. 1 p0 L$ N6 V. V4 D! o' WTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power ! ^1 {# Z6 K' S% rtechnology to U.S. BMD applications. TOR Terms of Reference. ; i9 A+ B% e4 H @$ B; WTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation 6 f& W' `2 y) a" z( E7 cAuthority (TOA) + x3 G* Z% ` c8 j) }% m/ _A DoD financial term, which expresses the value of the direct program for a given fiscal year. 0 g/ f% E" e7 ?2 J- _Total Quality Management (TQM) - D. k- I% H% e" @% hA management philosophy committed to a focus on continuous improvement to : s: Z0 ^ X6 C4 }3 O+ gproduct and services with the involvement of the entire workforce. : F& G# X; @! k4 _! a/ VTOTS Target Oriented Tracking System 8 E4 T* `8 E LTOVS 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. 5 ]( g. D5 m3 z& Y0 y+ u' l$ mTPD Mobile Tactical Radar (US). * G+ ^) J9 ~- {7 s. y9 m+ LTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 7 r' p0 n2 q0 ~8 y$ B' ?TPEC THAAD Performance Evaluation Center. 2 o* S& V; u) B: z/ E4 q2 DTPEM Technology Program Element Manager (SDIO/MDA term). # a8 I. p. R8 G/ x( {9 ATPFDD Time-Phased Force Deployment Data. 4 F9 L0 I/ s% oTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. ; Z# \' u9 `+ TTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). z ^; ?2 s2 s; G/ k/ LTPO (1) Test Planning Organization. (2) THAAD Program Office ! h5 v- |% `+ q0 r* }: z" OTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. 6 {8 n6 Y1 h' C2 l: p) @% STPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. $ P* E: z) p, ~# d* wTraceability (1) The characteristic of software systems or designs or architectures or ; V8 _4 d8 I: y* p! R7 d2 j1 o1 wdomain models that identifies and documents the derivation path / ?6 d' q7 x9 i# K(upward) and allocation/flowdown path (downward) of requirements and - h. N( d d# K; R/ Zconstraints. - _+ ^; I; W! S* \$ I ^(2) The degree to which a relationship can be established between two or ) M* d3 H. [7 @& T2 `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. ; z: s! N! ? X: \* O(2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. % O! n4 x5 W. \6 \( f* K2 K9 V4 _(5) The actual path of an aircraft above, or a ship on, the surface of the ' s, b3 z0 i' }( [- T; _: E$ yearth. Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly 5 n- S2 ?; s. o: `$ P: f9 ^in the track may indicate a hit. Track, Birth to 6 k0 _3 p) R5 eDeath The maintenance of an associated track through all phases of flight (i.e., boost ' J7 U U, s* j* C. Y+ ?; }3 |# Wto reentry). Track Correlation The combining of track information for identification purposes, using all available data. ) L! `4 B: j- H4 p9 e: ETrack Extension This term usually applies to improvements in track estimates by use of new data. & }# Y% }' X! a& t8 X" M! D! m% wIt is sometimes used to describe a process of target extrapolation to a future time * v( w5 V9 `& e5 _3 Y5 Tor place (e.g., reentry). 1 \/ q. q$ k' IMDA GLOSSARY, VER. 4.0 T # ~! n0 A2 e8 d( \304 5 [# X: Z' C5 j2 K# w# DTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of W+ c4 R# {; y$ rthe above. ~- {) z. t- ~. y) pTrack File-Track ' S; w7 \/ |0 w" DHistory A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement 8 I4 @4 f, v3 Oby filtering. 3 N; L) L# H) ?% V. cTracking The act of generating and maintaining a time history of an object's position and + {# `% C) f/ C4 i$ sany other features of interest. Tracking and Pointing 8 Y# {$ o+ {# ^' COnce a target is detected, it must be followed or “tracked”. When the target is 6 R. o# O: W' I1 y0 j" Esuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. 7 n3 C, V) R5 t$ s6 q9 [Tracking Range (Max) % a _! z: K& I: hThe maximum line of sight distance at which a sensor can maintain track of an object. ) c, H6 E$ \9 {1 ?% p: p& yTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector / ]! i) [& k: |& U' p6 gof an object. The process typically requires observation from a number of frames. Track Production $ Q4 r0 V1 B6 H) O$ O* s' X) G& jArea 0 X$ F9 B- H& h! @) P9 Y3 xAn area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; 6 h- B8 H V8 s1 Ulateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. / B! j" S) V% ZTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum 7 G5 P! n- g' U$ e* N/ r2 K5 UThe maximum number of objects per unit time which the sensor system can maintain track files. 4 P& ]# L, o1 [0 oTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. 0 o2 |) Z0 s8 g9 I! _4 [- }9 PTrain Threat geometry with objects placed in a line (string) along the velocity vector of - Y0 a( b3 }% vreentry. Trajectory The curve described by an object moving through space. Trajectory Histories " F# d9 _1 b+ y5 w! LTrajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 3 [6 @& @: `0 w q# lTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 3 ]) K* p+ F: E# z2 o305 " o3 N7 s8 p% ^, t7 HTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. 8 c! H9 x x( G% B3 }) J8 t, nTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to # o; w6 C$ s! D2 n& H- U IProduction 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 process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security ?0 o4 c1 n- K/ W9 M# U7 d [(TRANSEC) ! y) q% n& y5 m1 O9 IThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. / N* ?. m m x' d) m( wTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. / B7 z9 |' P7 wTRAP Tactical Receiver and Related Applications. 7 R; a) b6 ?" fTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. Traveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or 5 q2 K; F+ i' N' L- ~) a! E$ \% Hrepeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. $ Y" ]! F5 f( E* R# m* v- N, |7 [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 , d6 P1 s5 {! ]7 qpoints on the earth are obtained by or from field measurements, and used in determining positions of the points. + [& j( J1 U& M( G' QTraverse Level That vertical displacement above low-level air defense systems, expressed both ) v$ ?4 o7 D- v; F$ w; m4 n! ?as a height and altitude, at which aircraft can cross the area. , |3 z" H3 e" \1 r, j) U0 h/ M- PTRB Tactical Review Board. TRD Technical Requirements Document. 7 s% n9 J$ F0 C( v# T$ f& h# dTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). , t# Z% L/ G* B4 ZTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. 0 G1 w8 q5 T" [- TTREPS See Thrusted Replicas. 6 w X+ D& ? S' W3 m2 k# D |TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 5 F3 _2 {3 J. S% o# i! [* A3 yTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). ( E. s0 `' ]' _9 D4 eTRIDENT I (C-4) US SLBM (USN term). ; b; Z; T/ r: r0 m! hTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. ; k; C4 i/ I: r$ s/ P+ Q# a3 dTRMP Test Resources Management Plan. % j4 h: u1 p4 H2 _* t* o5 `TRN (1) Task Requirements Notice. (2) Test Requirements Notification. ; q, |+ D6 X8 j" HTrojan Horse A computer program with an apparently or actually useful function that contains ; a4 v+ u0 x3 x* h; l3 V" jadditional (hidden) functions that surreptitiously exploit the legitimate ; y0 a5 D% G; T) E0 }3 uauthorizations of the invoking process to the detriment of security or mission 7 b& i a6 \9 c. zperformance. 0 i4 ?- k5 E$ J8 VTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the L5 p" |# A1 C! R, n4 N/ i2 satmosphere, 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 ( I; L5 S$ y2 W# u% R2 ftropics. (See Stratosphere, Troposphere.) % _& z! t8 ]5 uTroposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing 2 c/ }8 Y4 c% w P: f# W6 Xaltitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric Scatter 7 s' N8 n" z- \! L" j- yThe propagation of electromagnetic waves by scattering as a result of # R9 M5 w8 ]) |3 h& B) cirregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. 1 C6 E2 _! s7 I! ~(3) Technology Readiness Program (pre-acquisition program status). 1 f7 j7 E; k* t$ c- W(4) Technical Requirements Package. - m5 `: ^. O) Y) ]) G6 @TRPC Technology Readiness Planning Committee. 5 {1 ?0 F+ \' |( `TRR Test Readiness Review. 9 o5 ]' F2 M J ^+ |/ hTrusted Computer 8 [0 U& j! x5 G) j1 BSystem/Software ' ~' H: U) v2 N5 mA system or its software that employs sufficient hardware and software integrity 1 n u1 u9 p5 H6 [; @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 8 V! C( D* [5 i7 B. uTrusted Computing Base. This mechanism can only be activated by the person ; ^# \, L2 C% Q! E, |8 j5 J: l4 vof the Trusted Computing Base and cannot be imitated by un-trusted software. 8 @8 x& O: r1 t0 N% VTRW TRW, Inc. 7 d) Y+ P7 A& i# xTS (1) Terminal Service. (2) Top Secret. 8 @2 S; B! @* Z8 s1 e, _6 tMDA GLOSSARY, VER. 4.0 T 2 V6 i0 J0 s0 v" V% R307 ) {0 `0 u, F: g- Y$ TTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. + {0 c$ T! e1 S3 h- h: DTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. 4 v. h/ j; q. e& [4 @; X6 bTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. 9 E- o5 ~/ I* |9 }2 h' S' V! uTSP Target Support Plan. TSPI Time, Space, Position Information. ) N j& O a1 z; bTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. ' H7 L5 u6 a9 K% \& tTSSAM Tri-Service Standoff Attack Missile. ! b% @0 w4 i9 `( G. A% x- tTSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. $ e1 P1 X: k& |0 RTT&E Technical Test and Evaluation (Army). ' d+ a* K+ c- l$ ]6 XTTA Total Time Accounting. # f0 R9 h! ]+ D, h7 G3 ]+ [* B; u) y4 YTTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. ) g9 P$ Y& {" Y! c; gTTD&D Test Technology Development and Demonstration. A portion of the CTEIP ; @' D% o% a% O3 f$ ^program, which funds the development and demonstration of technologies, 8 S9 S6 T9 V* [which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. - Z1 S; ]6 T; YTTP Tactics, Techniques, and Procedures. + }9 M; C1 ~% ]$ ^% ?TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 ( i! `. W7 o" M3 C* [TTV Technology Test Vehicle. 6 y' p9 J) J, Z6 d. g' y* C) nTTY Teletype. 7 N2 B7 ]$ t+ sTUG TRACE User Group. 6 M3 X3 g! z K1 N ]TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. ; V* Q; A+ M! J, ^TW Tactical Warning. ) C( d/ y9 P: `# G! y2 C$ P9 gTW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. ; @' p3 c6 }! ] _" D0 @. _TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. ; e7 p7 K( i* N: V* XTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). ; n% W% V4 Y" M8 J+ G4 b& XTY$M Then Year Dollars Millions. Type A - System / s; o6 o# \$ H! F. Z) ?5 V# {# xSpecification $ N) A4 o) y" w5 Y5 _States all necessary requirements in terms of performance, including test ' n1 Z+ D3 T* A7 [8 A4 ~provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission 1 j6 i5 r: X& C- xrequirements of the system as an entity. Type B - Development Specification 5 m( N$ c- M8 ?4 L9 XStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the - k2 d6 z& v! B6 ndevelopment of items other than systems. They specify all of the required item 8 w/ a- o3 o# _9 Xfunctional characteristics and the tests required to demonstrate achievement of , c, x6 ^$ s& }9 Q3 `5 _those characteristics. Type C - Product 2 W8 F5 J$ c6 g' w4 e7 }Specification ' R) V2 r V6 k& a* V$ kProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 2 F- K R5 h3 e$ cset of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). 1 @+ A) F! F4 y& R0 X. eMDA GLOSSARY, VER. 4.0 U 309 4 `9 o$ z3 ]7 ]/ a& u2 p! RU Uranium. U&S Unified and Specified [commands] (pre-1996 term). ( P P* a$ C, x4 c% BU.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. ; b* ?% O. A: Q$ eU.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). UAE United Arab Emirates. 4 { Z) h" H9 \9 S' ^4 m5 V4 wUAV Unmanned Aerial Vehicle. 2 K9 I3 }; m7 L2 |UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. ( U3 U1 {) ]+ KUCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. 9 E% n1 C3 K1 G! O5 M2 EUD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the . L' c! H" t* k# |# Bcapabilities and plans of test ranges to support program requirements. It . d, q+ j' N# M% |consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), . ?' G% {$ B4 H5 l* B! N2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 6 ?3 s, W. n }3 i5 G4 dOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the * f+ B+ W& o% t r2 d& v: O3 ?Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. 3 R) \4 K, ]: k/ u! c% cUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. . C; l+ y; e h6 k0 sUF6 Uranium hexafluoride. & u T# r9 u9 n" L& `9 r- z) F1 LMDA GLOSSARY, VER. 4.0 U % G4 E- j' m& p' e310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 6 _% @0 u4 H- {UFP Unit Flyaway Price. UGF Underground Facility. + w4 o+ r5 d' r5 [1 J( E& QUGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. ) ]0 }6 Y; n X: \* |UIC Unit Identification Code. UIN User Interaction Node. $ r2 @' n9 R6 k( i) dUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. " c+ m4 o. a8 j0 wUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. % X7 c8 w$ A0 `5 fULSA Ultra Low Sidebobe Antenna. ; Q% E' }* K6 `; O) |* s8 D" ?ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 2 y& ]5 _+ S: ?" ?2 Q(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 9 {# d4 D9 e- Y' I0 O! k; [! i+ I% QUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. 6 N3 U8 E3 W4 t$ {Unconventional ' S" z% @) g/ P( Y1 zWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 0 w+ l6 `: }$ y/ c9 c5 }: Rincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, ' g$ i5 _7 r3 B5 @covert, or clandestine nature. ( m0 K+ b3 P& C8 ?6 b0 _/ oUnified Action Armed Forces : }3 [; e: ]: h, a4 T1 T- Z8 x: aA publication setting forth the principles, doctrines, and functions governing the + n7 V- j& f6 d1 V& s& k4 S5 lactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. ) `0 P% C) {7 ^$ [9 ^6 ?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 which is established and so designated by the President, through the Secretary " N7 [. R' E8 m" Lof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U {, U+ `( q& I4 q) i: n3 R, w311 / v/ Q. I! |9 v: S0 MUNISYS UNISYS Corporation. " z8 n$ F! S; d8 tUnited States Army 7 A9 ^! V, ^" L. G: OSpace Command # k0 t: X/ i9 M8 y! x) s3 h(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army ; }2 Z7 L( i' N8 W# ]2 qelements of the SDS system. Located in Colorado Springs, CO. ! g5 f- g# ?: O& @ o- W. eUnited States + O1 ~ ^) A' vSpace Command . v& T& o, j0 N+ R8 a) \(USSPACECOM) - w9 x+ _+ y5 X6 s GThe unified command responsible for planning and conducting ballistic missile $ L. `2 G1 W* z4 u6 Edefense. Located in Colorado Springs, CO. # q8 T @5 d6 k6 ^United States " A& P( T0 D- x: W I% ] DStrategic 7 Y" ]* w% V- @- F) [3 jCommand : J; v- ]: {9 z/ U; q(USSTRATCOM) / @4 G* b9 t1 \% g& MThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic ( [- L2 ?0 I" ^/ s; ?7 C( D# bmissile offensive combat strikes. Located at Offutt AFB, NE. * N2 \' j+ k7 m3 B; a L- ?( _United States % i2 S# B* p8 l4 m% `Transportation Command 2 M" \9 j% t( J+ ~(USTRANSCOM) ' u6 T% R4 n4 a$ i2 E0 u# s/ m# lThe DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as 3 G u9 h; F9 u Dneeded to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 4 x/ k0 C3 Z! I8 l& k2 P6 G! YUnresolved 1 R& `3 f( c5 C3 \8 JObjects 6 c( g3 _9 i( `) x7 CObjects so closely spaced with respect to the sensor focal plane as to be 3 h0 N+ o5 l! _( n2 Eindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. 9 D) m/ d$ \" [7 ]. j3 jUOC Usable on Code (ILS term). UOES See User Operational Evaluation System. 3 ]" t$ k% t: YUPD Unconventional Passive Discrimination. + {/ R2 t% R# `( s" v2 T8 Z) F% xUPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). + f; d" l' k% l# }2 X( c7 S; EURIP University Research Initiative Support Program. 8 o1 G) `5 X2 U3 C" O7 pURL Uniform Resource Locator (internet protocol term). , W# m/ I! Y: f3 E% aURT Upgraded RTD. " H, c! E% J) Y3 ^6 s0 bUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. 9 Z0 g7 A V& O3 u2 O: DUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 312 3 c" J% s0 M7 Y. s% j( {2 ~USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. " D, g2 q2 q5 g. B) g3 y2 fUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. f7 [* F0 W' ~& {! YUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF ' u" H5 |/ o! f& `Systems Command /SSD. & x: H- h' {( X: i, p5 ]USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. , i4 K; q! g! CUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. # ^2 k1 a9 k; A$ E- X; e$ aUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. " p, \4 E, I0 I& ~( o) dUSAFE U.S. Air Forces in Europe. # c6 J3 K. @3 f+ d1 W: x- W/ o: ]USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 2 Z# u$ U! C: j. }1 W5 @USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. # F3 V% L- O7 y' b, Z. C$ u! ^, HUSASDC 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. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. 0 C8 M5 g& L, ?MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. 6 K, ?( h( x. U' ?USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. ' v8 O( c1 m4 k0 b+ v: wUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 6 \, W- }1 |' N" Z. d3 k$ |. FUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. # k9 G; h2 t" T" n( g3 yUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. & s/ w; Q7 {4 N2 G7 J8 m% V8 wUSDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine P! v+ x" F- k$ q! o" C) }/ r R(hardware) or program (software) that is compatible with a person's ability to 5 C. p& ?% B; y+ |% v: Z, \operate it successfully and easily. - [% h8 ]8 U, t( Q! q3 n" kUser Operational Evaluation * L, U1 N. ]# `% M: KSystem (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 . r* R! Q$ r, W* O8 Jtraining for a system proceeding through the normal acquisition process; and (2) - h+ q K/ w- V: N5 Pcontingency defense capability should the need arise prior to completion of the " E5 i& g: {8 W8 c, vnormal acquisition cycle. - l+ o& h* e1 ^USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 9 k9 Q; Y9 q4 k9 k& X+ ^2 \USFJ U.S. Forces Japan. & c. q: r* r4 a: P& Q% [6 | H4 |: oUSFK U.S. Forces Korea. * G3 ^0 h; U' {7 yUSFK/CFC CSFK Combined Forces Command. . D1 Z/ t. M9 ]+ jUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 7 `* U5 I `4 U* I: GUSLANTCOM United States Atlantic Command (Now see USACOM). : G) C2 j9 x: i3 I* @$ [7 d4 q/ fUSLANTFLT U.S. Atlantic Fleet. USMAR- . w- k7 Z4 s- ^! H$ r; b0 NFORCENT U.S. Marine Component, U.S. Central Command. + j) e r; A3 |/ f& P5 A) xUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 0 w3 X& A3 W- N l/ AUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. 1 H/ r! @+ R% XUSMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. $ c5 a; g' T1 f6 z2 E, sUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. ( _* e& B4 [0 ]) ~! a/ F4 ~USNAVEUR U.S. Naval Forces, U.S. European Command. 6 j, z3 ?0 j5 `- ~1 ]USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. % |; ~6 C% a1 l. g; vUSPACAF U.S. Air Forces, U.S. Pacific Command. ) `2 G8 n+ ~$ t! OUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. 2 w0 J0 D& V+ FUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. " b3 b) g( S# B! L9 U6 k3 L, f; tUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. ( U8 i+ u0 C6 E1 h& vUSSPACECOM See United States Space Command. USSS United States Secret Service. . S2 q3 V n; l9 k, N' eUSSTRATCOM See United States Strategic Command. USTA United States Telephone Association. , u1 P1 r) d& k: AUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. 1 ?. u9 H, M9 g+ s& c3 r$ l/ K9 UMDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. 7 I/ N; r- _1 R& vUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 1 p9 b# n% e: t' k# O0 X" @" G1 OUV Electro- - J8 \6 r2 K. W+ E) g) ~9 DOptics . I% c8 y5 v* K" i3 _1 }8 fTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). 0 d; i3 c; H) p9 v+ mUVPI Ultraviolet Plume Instrument. & i, H, o" C0 f6 V, y9 {- z1 x! z& `& wUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V , d5 B7 Q) w/ ?& n/ [% x3 j316 V Volt. V&H Vulnerability and Hardening. 9 B0 n# T" h' x' PV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. / p3 v3 q/ }$ B8 D# pVAFB Vandenberg Air Force Base, CA. 6 `# W7 h, f# V2 s* K8 a* v4 g) K1 ~Validation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, : I8 k' L! z- t: a" f( H- Ptactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. ( ? }; ~) j6 G, p/ ]VAR Visitor Access Request. + v+ b( c3 z- Y; [: ^ IVariability The manner in which the probability of damage to a specific target decreases ' a7 j+ ~7 j' J) R) f0 }% pwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. 5 h1 W! o. _" I* d' ^VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. / x- |: H( o+ gVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. 8 ^6 L4 ~) i$ {* Y& H: z7 vVDU Visual Display Unit. 2 b$ m/ ~/ d6 y H# Y, X/ KVE Value Engineering. VECP Value Engineering Change Proposal. 5 g3 `% m. V- y) d; s7 Z& tVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, ; G' b, {* w5 n! |' Ocalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 8 v9 d4 S' F" l5 X- O( fof the development process to determine whether it satisfies specified requirements. 6 O9 j* V) q& n' c0 aVESA Video Electronics Standards Association. VFR Visual Flight Rules. + b5 X& X( T4 y7 MVGA Video Graphics Array (Telecomm/Computer term). ) g2 B) e8 J( \$ F5 UVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 5 T( T5 V* l6 t* ]MDA GLOSSARY, VER. 4.0 V i, g9 C% L" _1 w% r& K317 VIDS Vehicle Integrated Defense Software (USA term). - M8 j. n) z' @3 z4 \8 A, aVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 ! Z. \6 g* M* O7 o9 dOperation Per Second (OPS), using a mixture of experimental three-dimensional 4 }* k3 A/ U! C0 X7 D" e& ?circuitry and commercial components. Project also demonstrates VIRGIL, a ( m6 j' C; f2 g! Z' Zgimbaled airborne sensor with visible, experimental UV and quantum-well IR ' d$ k) V) E5 }# ~- D" N' d3 z: A4 _' kcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. , q' z0 m1 |* W% I, }VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. 3 \- N; u. U9 l: o( U/ }Visibility Range 1 |! n7 p' V" U$ M2 R(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 8 F; y; ` q" V5 b% G1 i$ u. fjust be seen against the horizon’s sky in daylight. The visibility is related to the $ l6 b8 l" P- d& Z9 H. lclarity 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 ) \& q7 a8 O' F" X6 o9 n* Gor fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). / H: p( W2 Y# V, lVisible Electro- 4 }% m: m+ _! hOptics Technologies/techniques employed by optical sensors in the visible portion of 9 ?0 _) W8 F1 G; g9 vthe wavelength spectrum. & j8 Z2 Z7 |( W) |$ RVLAR Vertical Launch and Recovery (UAV JPO term). 0 i* A! r3 U3 U" nVLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 8 t6 i& [$ O5 R, UVLSI Very Large Scale Integration. VLSIC VLSI Circuits. 8 J# p0 D! F# @+ P" @5 tVLWIR Very Long Wavelength Infrared. . P. X- i3 ~% @ F- s% [VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). ' U( C1 F+ `- B+ TVOX Voice Actuation. - s/ O- ?6 }7 A' n8 OVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 8 |8 r8 n2 \$ e' G" sVTOL 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 318 4 k4 G+ X! g* k. l3 X0 x8 TVulcan UK bomber. / y+ \" b! t, _VV&A Verification, Validation, and Accreditation. ) E3 g1 e% k7 [. M1 {. M' S2 ZVVER Pressurized water type nuclear power reactor. ; c# D' R$ k: G+ {& \8 B; R1 YVVIRF Verification and Validation Information Request Form. $ C" e# G+ y8 Y- H8 M7 F1 x& B( VMDA GLOSSARY, VER. 4.0 W ( R; b! P3 L+ l1 M9 k! ^319 * f. i/ q6 D3 c5 g' K: u W2 dW/ With. w/o Without. 4 p: b% q' P$ r& A; q: h! VW/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area , h; i- r0 M2 I8 A0 Q* eMunition. (3) Wide Area Mine. (4) Wide Area Missile. " }0 f2 B7 M1 a# b2 p$ tWAN 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 ) {1 z- `6 O! C! t+ Jopposing forces, using rules, data, and procedures designed to depict an actual 2 }# X8 R: g8 N- ror assumed real life situation. ; G y+ w; C5 F- v% g; qWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the 7 n2 E; N6 e1 F' W; N2 KJNTF for use in CONOPS validation, missile defense program design verification, + Z1 @' o" W0 d& ^3 U Lvalidation and accreditation, and support CinC/Allied wargames and : o7 ~8 [. B, L5 X+ k4 [assessments. + r4 \5 s5 a- a( `& Y) @: BWarhead 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, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. 2 i1 E& w% P# i; L) T! CWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). 4 c3 q& U+ @- `6 FWartime Reserve 2 `! X( z+ x+ X j F: ~Modes (WARM) . e3 n) u7 _! kCharacteristics and operating procedures of sensor, communications, navigation 8 W% b& z3 n1 V6 [) z% Daids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if 0 h( j# Q3 C9 r, z* I6 Xknown 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. 1 X4 X/ U# _8 t- K" x: wWAS Wide Area Sensor. / w9 t# }& _( H" c# JWASP Wide-body Airborne Surveillance Platform. A modified DC-10. i) T# a5 H0 a4 u4 N/ H8 y# 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 4 F' G$ b" {9 ]5 q7 R, hin contributing to the defeat of the offense. Watch Condition 4 b7 l: F" {+ V; L( m(WATCHCON) ; V1 K |/ H1 S3 `% ^7 E7 Q- DSeries of readiness conditions used by the intelligence community to alert staffs 9 F* c6 w2 o. Y7 Oto watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. 5 \/ m! f/ ?/ Q/ uWavelength 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. WBM Weapons Battle Manager(s). - z1 X! H/ Q/ J# ?( Q$ OWBS See Work Breakdown Structure. 6 w4 {0 T& M# q& j5 n# ]" wWCC (1) See Wing Control Center. (2) Weapons Control Computer. 8 Y; g2 ?! D+ W8 [; l) pWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 2 F+ {' O) V2 \' T- B0 dWCS Weapons Control System. WDM Wavelength Division Multiplexon. , Y. A3 R9 l# m1 V; _Weapon Enabling The set of control functions without which defense weapons cannot be launched.