航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile 7 T0 [# d$ i- g+ t( E7 FDefense Council (TMDC) 8 P& ]4 Y$ M% m/ R9 z( x, ~5 e5 VA consultative body for considering TMD family of systems planning and " \. b$ g7 s$ D2 H. D; k O8 c* q- ?programming issues; chaired by an Assistant to the MDA Deputy for 8 D) \+ a, b/ a( `$ Z5 kAcquisition/TMD, membership includes MDA TMD Directors, representatives of % i7 B5 p* N# m' i( `each applicable Service Program Executive Officer, and TMD Executive Agents - M0 r( ^7 f/ u! ~3 T' `and Program Managers. 6 }) w( V( ~. ?! ?$ sTheater High 7 J! O+ ?5 a; k5 m& YAltitude Area 6 u1 Z3 i j! C$ LDefense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area x+ ?) P5 T% g3 Y- U; l: `% _defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as " f7 {& f( M# _- j' c2 b. E; APATRIOT. . q7 Q, D8 m0 @; j9 _Theater Missile % U$ ^" \' p3 l, H- D5 n(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 $ Y4 B% I4 Z& y/ e) mof attacking targets in a theater. 3 h8 ~$ M J$ _! ~2 N5 d' h/ K. bTheater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, 1 {3 {- e/ u4 Wintermediate-range, or medium-range ballistic missiles. * V" h' y/ A0 I% [Theater Missile 0 b. g/ r+ K0 Q; ^" M w' }0 u$ NDefense Ground- Based Radar (TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and K3 R, q5 s. K Fdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. * E1 z# \2 v5 O* L8 _6 VTheater Missile ; ^# [2 r/ c8 w* T0 qDefense Initiative ; l& H$ n5 j; `( i* ^. Q(TMDI) 8 p9 F7 B$ ^7 ~) A9 F7 [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. . c1 Q5 d8 K$ F- J) GTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 5 s6 L4 s# e0 |: T! m6 ethermal energy received per unit area at a specified distance is generally $ u0 z& p) g* K+ x% dexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 6 a5 g$ H* V; G8 C4 u; Q1 |reflected from the objects, which are imaged. , \& Q# N$ T$ U" h) K! [. I# HThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. ; m# F' L3 d% g e: DThermal * l0 L0 v j& J( C0 VManagement / w2 q& Q2 J8 g# B/ y4 zTechnologies/techniques associated with the control and management of + x. F, T& d, j7 b0 Sthermal energy, its generation, dissipation, and recovery. Thermal 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 - w0 ` [( z- }" D1 `9 Q4 y7 Y+ Sultraviolet, visible, and infrared radiations. & ~- `1 V9 E/ A6 O4 k0 e' `$ W6 B3 ZThermal 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 $ `, i( L9 G6 c: nabsorption of this radiation by the ambient medium, accompanied by an increase - z y8 u+ B# s/ `. d p% }in temperature, which results in the formation of the fireball (or other heated 2 b3 x2 f9 _$ Z6 L. T; ~region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 4 _ d5 j) Y) Uit is a region of more or less steadily increasing temperature with height, starting ' k8 R3 i2 ]; _ _$ M- i- `# V; C) }at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 2 b2 b- n1 b3 A% |exosphere and most or all of the ionosphere. Threat 3 q2 ]2 V5 I9 f% XCharacterization An assessment of the nature, magnitude and intent of an attack in progress. 8 m' \+ n7 A# o: J* T* U0 wThreat Corridor (Threat Tube) 3 R6 P" T2 r2 c5 bA 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 trajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic $ R) \8 X+ z( o! H! gmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. Threshold + j. L6 k" v6 RDefense A defense strategy that concedes that the target can be destroyed at a price 6 n; F/ L* r$ s7 m+ `that is not prohibitive, but the presence of the defense is thought to require the ; M! t, ^- M coffense to mount a relatively large and complex attack. 0 F) X5 q% I+ d- O. X0 vThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) * M# z- l4 {9 e" t$ {9 J# XConical decoys equipped with a miniature rocket device. Generally used to " z# I% |' B' O/ J( M4 C; w( l! P4 `change the decoy’s optical signature to resemble that of an RV in the reentry + u( l( F! f1 Ophase. 3 d9 {4 _" L) lTI (1) Technical Instruction. (2) Technology Insertion. / E( A% J1 {* h; s8 lTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. " D3 k* v! j9 r2 @: x, D/ s(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. - B7 p; q1 `3 [6 I. ]# _ VTIDP Technical Interface Design Plan. 7 `& }: l/ F( ?. F! ^0 u9 hTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 9 v: Y! c$ B2 Y0 x g D7 @Tier An integrated set of SDS elements that address a particular phase of the threat * @/ {* n+ G* G(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. + V% z2 y' j9 |' q# n4 ITIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. 1 I$ ?0 }- V* @$ XTIM Technical Interchange Meeting. 6 l- O/ i& k3 f& B" KMDA GLOSSARY, VER. 4.0 T 300 ; A" I+ i1 I. L- C5 P3 Z" ]. F; ^Time-Phased . v* T2 R* ^3 [6 b( ]6 \& u. N% qForce and ' `" [2 A7 D' {8 v9 [( H" o pDeployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. 0 n# C' `0 }# r) S" d5 U0 t- c! }Time of Flight , y" C! Y' j; ~, k, G(Max) The 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 : s, a6 H% @4 r; c1 rThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. + Q8 Z4 P, X* oTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar - K9 C3 K" M: D! U1 D7 XTerminal (GBRT).) * {8 B; c7 c- B5 z9 fTIRS Telemetry, Instrumentation and Range Safety & ]! G8 z" C4 _. K) l, S* JTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) # L1 P# {7 t4 g: {, {TL Team Leader. ; a8 K$ V7 g2 b5 KTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. . K3 ~' d" R$ P; ~* l" t: j! cTLV Target Launch Vehicle. TLX Teletype. ) y& J9 ]) l; T0 U( c: ?$ a/ O) z% bTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). 1 ~5 S' Z6 `0 f5 `5 r7 E( {TMCC Test Monitor and Control Center. 7 w8 [" g; q" x. X+ J, DTMD See Theater Missile Defense. % c' p& V! v( P) i, A$ pTMD C2 Theater Missile Defense Command and Control. 4 ~+ k& v+ T0 h8 E: YMDA GLOSSARY, VER. 4.0 T 301 ) X4 l( }+ q1 u1 w/ r2 J$ K9 sTMD C 3 + z; d+ _& Y' k, M3 p9 fI Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. 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. 2 _5 \+ i: k" l3 {3 }8 X, |TMD ITP TMD Integrated Test Plan. ) I( J/ O5 G3 xTMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). * V& C, g8 f5 o- FTMDI See Theater Missile Defense Initiative. & E1 e( U. K3 Y, T8 CTMDSE Theater Missile Defense System Exerciser. : a( j9 K2 ?! I4 D* oTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). + K0 ?+ V$ n0 o. }7 H e) YTMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. 4 ~8 C* D. ]5 k* H. aTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. 6 H$ k* ]- @" A# I# {! }, ~TOAM Tactical Air Operations Module. ( H" ]) D% l: Q' h- FTOC Tactical Operations Center. TOE Table of Organization and Equipment. ( h" O4 ?; U0 d: q/ f; uTOF Time of Flight. ( |+ b" {: ]. C3 A. ^9 f# S7 y- NTOI Track of Interest. ! i% `! v( Y% F8 @TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal + m0 \6 e5 t+ E! e* @/ lconditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 7 R8 [$ s, o5 Y2 q1 i) gTOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a ; r: E1 U0 A" m, Q# k' u# ~hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. ( Y2 p" ?! [6 n$ m# J3 j0 \7 ~! NTop-Down Design 1 m q1 {+ P& a. VThe 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. * t7 K! R" W- \) A2 a, y, eTop-Down : |( c0 c; G4 t$ aTesting The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power % A8 N2 v) V' m P. G9 N& Atechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) % G3 M, ^5 d# B: x, |A DoD financial term, which expresses the value of the direct program for a given 9 `7 v! ?& H0 L; gfiscal year. Total Quality # c9 y8 Z3 j& }5 i+ ~- Z: z2 pManagement (TQM) ! Y. N0 D5 o+ e" w; J" ^9 ~A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 2 e; L `* w0 X4 vTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. , @# a3 x# V: ?: n& |1 mTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ! @1 W; Q3 q, P( @& z, C. oTPBM Terminal Phase Battle Manager. v1 v" `! G3 A+ H- C! mTPD Mobile Tactical Radar (US). 0 `$ ]5 } T" c( t+ x. ITPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. , s/ d# a5 h0 oTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. ; m3 ]4 m! [, C7 V' R+ z" Y% o( xTPFDL Time-Phased Force Deployment List. # n# s: ^1 u. p0 n' |TPM Technical Performance Measurement. # V+ j' ]6 w$ z4 [- C/ L- x4 V, ETPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. 6 }0 d. N2 F& s0 c- b6 iTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. - M3 C1 v9 L( O; t" RTPT Theater Planning Tool. 1 D: ]! G2 b% u! ]8 u1 _. s' ]5 XTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 2 X5 O8 J7 F1 C8 l8 ITraceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path 1 {$ `& l# \; X% J(upward) and allocation/flowdown path (downward) of requirements and constraints. C1 m, q9 G* a% Y9 A(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate 5 ^8 d! _/ f5 `. Urelationship 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. ; j/ P1 G. A4 o4 }6 V8 y$ O K(3) To lock onto a point of radiation and obtain guidance from. % ], U' Q! D# V3 m2 X( z(4) To keep a gun properly aimed, or to point continuously a target locating / `- a3 X, r3 f% X* ~3 ^0 Y( ~instrument at a moving target. 9 J# Q, ?! O$ n3 U(5) The actual path of an aircraft above, or a ship on, the surface of the 3 g6 _; e7 i- N( P# }! f8 {earth. " x8 ]. y* m" iTrack Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. & b$ z- H! r2 g% A4 GTrack, Birth to " h, q0 R, X6 X! {; l5 m' C) ZDeath The maintenance of an associated track through all phases of flight (i.e., boost 1 N" {3 }; b6 S& d" q( H; ^to reentry). * f4 l R3 A% }2 c8 I% U: Y% Y4 l; A- ^# CTrack Correlation The combining of track information for identification purposes, using all available ' y4 B) N5 i& g% n, Rdata. 5 ?: j, E! s( b7 C3 JTrack Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time 7 ^4 _, b. o7 \7 F' Bor place (e.g., reentry). ; r& b7 y: F7 e/ V8 e6 CMDA GLOSSARY, VER. 4.0 T - f, N2 K* h, D6 z! j! l) ?; x304 6 s2 R% Y+ J1 r2 ZTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS # f% W( D# |( o" S# t8 j9 a1 cmeasurements with irradiances with confidence of association; or some subset of - @/ j4 c; t4 w8 cthe above. Track File-Track * s8 t4 D* e: f# I4 m5 H6 UHistory A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. 2 y7 `$ t1 s4 b/ C6 |* s* pTrack Formation The process of determining the track or tracks of detected objects. It is usually a 3 u. M+ }- T' c. N" Lthree-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and 0 ?7 F7 w9 h! Y/ lPointing : r4 m8 Z1 l9 O% T- L# YOnce a target is detected, it must be followed or “tracked”. When the target is % H' d( M( y- A# c. z, ~3 @successfully tracked, a weapon is “pointed” at the target. Tracking and pointing / a6 z b* `& e3 Jare frequently integrated operations. 3 U0 Z# h# S6 o+ b/ t. P1 STracking Range 2 P. n: d5 V8 R& C: h* `# j6 Q7 S/ L2 w) [(Max) * Y G6 S- e* a, l3 }The maximum line of sight distance at which a sensor can maintain track of an 7 b+ b% {8 ]# ?object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of frames. Track Production Area An 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. ( T8 R, s5 S8 k% K RTrack Telling The process of communicating air surveillance and tactical data information " x- t7 }3 G7 ^ f: nbetween 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. , S1 g. \, B; Q, xTRADEX Target Resolution and Discrimination Experiment. 0 J9 }. ?, B7 L. v$ [TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability 5 F: B8 o2 t( AMaximum The maximum number of objects per unit time which the sensor system can 5 I \( Y4 T* u; E' w, q% Umaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high 8 g, ?) `& V; d& k# |1 rendoatmosphere. : P3 c2 K4 p' Q3 C/ D4 x$ @5 OTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. $ W! a% e4 p& ^$ l$ y, HTrajectory 0 ?; ^- L* L Q6 jHistories Trajectory information on targets recorded over a period of time. & c6 F( ~% b( G/ D0 `3 QTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. ( o% R( N3 L& l8 jMDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. * R1 N! Z8 z+ R. V6 u0 _+ T" f6 \Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. / U6 ~5 b6 {+ l- X" ^: }Transition to " v2 h0 e1 a9 P# T; Q- C2 Z0 [Production ; I1 n+ u- X6 d7 K( @+ g3 r5 z. qA risk reduction process during which the program shifts (passes) from / v3 R/ H; \' ?- v+ I# 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 3 J+ k; d# V6 g1 H# x9 aSecurity 6 O1 l! D! r8 L, Z(TRANSEC) 1 w. L) U* V5 N1 g- \& A) i* aThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See % x' s& o5 h9 p" W; tCOMSEC.)

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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 . U- z j5 I( C0 m" Sencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. Traveling Wave 9 p3 D4 y# L) a/ ^6 J- a/ z: K2 iTube (TWT) # W. V8 }6 v) t# P' z8 kAn electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the ; F1 W. ]0 B2 |# fstream to the wave; the tube is used as an amplifier or oscillator at frequencies in ) {- [; r; r% k# w2 c/ m, Ethe microwave region. * l$ a! m& i8 o( P( | oTraverse (1) To turn a weapon to the right or left on its mount. (2) A method of surveying in which lengths and directions of lines between ( I: W/ M) |9 ipoints on the earth are obtained by or from field measurements, and 0 g9 h' g. j& B" g7 L# bused 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. 9 j( ~ L) y0 X# Z @6 B- A/ z' zTRB Tactical Review Board. TRD Technical Requirements Document. & L0 A8 z: z3 O9 {" }1 VTRE Tactical Receive Equipment. ! M9 h5 u3 }$ G' BTREA Transmit/Receive Element Array (THAAD). , o+ E5 R' X8 }' L& T" y* ^/ YTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. & ]. j5 R8 I2 k. z. J* `3 {6 kTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T $ U/ G5 J# S5 _( ^1 c306 TRG Threat Reference Guide. ' h2 @% e4 s' w$ D+ h$ KTRI-TAC Tri-Service Tactical Digital Communications System. : k( N: ?; e! Y4 L0 q$ lTRIDENT Class of US ballistic missile submarines (USN term). s: F8 X3 Z. Q. kTRIDENT I (C-4) US SLBM (USN term). 9 S7 @0 B) p' A& qTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 7 G+ T- Q2 y7 a: _# q" mperformance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of 0 S: S# i) d: M; W! qabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to 8 E4 j$ f% {. t1 d7 \6 F; Zthe tropopause, in which the temperature falls fairly regularly with increasing 4 }' ?) F' b) Q$ ^altitude, clouds form, convection is active, and mixing is continuous and more or 4 P6 x3 {& H8 y+ Z0 Eless complete. Tropospheric $ H0 d2 ^$ [8 JScatter 6 E8 W) H1 Y3 {! LThe propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. " M/ d# {/ O& f9 E9 I8 [6 nTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. - q' U+ X& G* H* w6 ATRR Test Readiness Review. ) k' Y" H+ C% u6 O( }Trusted Computer 1 B: e7 W. b$ gSystem/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the / X K4 H# y* h( \Trusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. 2 B8 q% [9 I0 Z9 }' O; lTS (1) Terminal Service. (2) Top Secret. ! d) N4 o- K: N. PMDA GLOSSARY, VER. 4.0 T ( g7 y2 m3 F% H5 R& Y. P307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. , @6 _9 x9 E5 ?/ RTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. ! {7 g! q: P7 h$ x4 D1 N- o6 oTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. " G4 H8 R7 O: CTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. ' T4 [& Q4 s* g9 x, i5 WTSMA Theater of Strategic Military Action. ( }8 h9 ^8 b) {' f* rTSP Target Support Plan. TSPI Time, Space, Position Information. " {% d" r D- r' I. J, X0 m) \TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. ; v! D6 K7 l+ z6 uTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. " g6 b% b. @8 O; D% g$ g3 c3 STT Total Time. TT&C Telemetry, Tracking and Command. & g" n* k8 U3 ?& P* i! TTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. . \% Z% ^4 x+ |! B3 b( X; JTTD&D Test Technology Development and Demonstration. A portion of the CTEIP ) o8 n. u5 b. xprogram, which funds the development and demonstration of technologies, % C. ^" m8 B; P3 twhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). 6 `3 v0 B5 q" a, L1 kTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. {9 A& o$ M% C) r7 BTTT Test Technology Transfer. ( z/ a# \8 `. F3 m; ? xMDA GLOSSARY, VER. 4.0 T 308 , U ?9 f j7 zTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. ; v0 h; P' ?, k1 T7 ~1 I9 NTVE Technology Validation Experiment. TVM Track-via-Missile. - I l. t0 {) fTVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. $ {2 t* w, `' C3 L; DTWG Technical Working Group. # b& d: _& P+ l4 o; Z1 r9 D3 u2 ]TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. ) d/ ]# B) i/ r& \: RTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ( _9 N3 {/ L+ C! w9 d6 }TY Then Year (PPBS term). TY$M Then Year Dollars Millions. 7 Q" s. O l3 wType A - System 8 K4 M% ]5 P+ P; g2 bSpecification . A. c' y! p4 GStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 7 N0 V7 E; z/ q) t/ x/ @constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - : l* o. C& c: a& t2 Y# R5 mDevelopment Specification States all necessary requirements in terms of performance. Essential physical # |) [! @) s1 q5 c8 n& Gconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item - N$ o* [! q5 T; u: ]! ]3 v ]- j5 B8 W; Wfunctional characteristics and the tests required to demonstrate achievement of those characteristics. ( ^" `* \+ q" Z4 v9 I [" h9 EType C - Product + k% n( F- l8 j8 Y! v" m0 PSpecification Product 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 set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 1 y+ ~, L- E. v8 A, y+ Z309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). 5 m% J+ M$ W1 _6 o* HU.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). UAE United Arab Emirates. : M% K5 b+ Q1 q3 LUAV Unmanned Aerial Vehicle. % N# V9 U7 z/ p/ i3 R9 [ }UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. ' {$ g8 M; q: V' RUD/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 + e; ^6 G) Q( j T' g4 E# d7 Bcapabilities and plans of test ranges to support program requirements. It 8 [: U5 R6 R9 d* u1 y, O2 W, M1 xconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the + r- K: r& t% rOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. / C9 E. y. I+ K2 U9 JUF6 Uranium hexafluoride. . G! R v$ d8 B. J1 E- PMDA GLOSSARY, VER. 4.0 U 310 7 u& R% U4 u3 e7 GUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. , V" Q' `3 W" M# V1 ]UGS Unattended Ground Sensors. , J- Q! n' p, G' [9 v$ [2 w. t3 P* nUGT Under Ground Test. UHF Ultra High Frequency. - q( B: M9 {9 g: UUIC Unit Identification Code. ' G9 T( a' q( S1 ~UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. ) t% E* z; V; [! Y: _4 i" IUKTB United Kingdom Test Bed. 7 `/ U3 n+ V! \, d$ AULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. b# m0 J+ v3 }$ A) fULSA Ultra Low Sidebobe Antenna. / R* a3 P: l7 U7 YULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet : q' y0 b: ?3 Z" M0 ]. {: ~(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). 8 ?+ h9 @- h6 D: Z. f% k$ |" q. iUNAAF Unified Action Armed Forces. UNC United Nations Command. - c: M% H& F) v- Q" xUnconventional Warfare + \7 Q6 x5 ?; ?! |5 pA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action Armed Forces A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or 3 V. [2 \" ~7 r4 v2 W9 `+ ]1 G6 Xmore Services or elements thereof are acting together. % }8 _& m5 H% e2 aUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and % [" R2 _9 G* r# l' d' awhich is established and so designated by the President, through the Secretary # L3 N6 I4 M. a5 Wof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 8 J9 D, x4 }9 H- A; ?# J5 @. @311 & M+ p, X, x: @+ @$ IUNISYS UNISYS Corporation. United States Army Space Command # y9 `$ b0 t2 T(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army 3 f+ ]- A N8 o) m' Z" Gelements of the SDS system. Located in Colorado Springs, CO. " \0 V& C' {! L) R. `7 mUnited States Space Command / C& r0 u& S: l1 D7 |' S, y. {(USSPACECOM) 8 Z! F& b* f" W% F* r! C: w( @9 _The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. 7 b' V4 H8 \; yUnited States $ Y9 K7 i$ V5 JStrategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. . m$ G% \, g# `! L2 x2 sUnited States 1 u" A2 a* W7 b" N' Q! s+ _Transportation $ K$ ?6 p& F% L% `" i. m) vCommand (USTRANSCOM) / {2 f$ b* W3 B/ r1 PThe DoD unified command responsible for providing air, land, and sea ]# G* o( J0 H L, Q7 {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 0 K5 y" K% ^, X& Cneeded 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 " g2 c3 K" r% |% K6 Q. t! `AFB, IL.

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Unk Unknown. " A% w4 g+ e3 @6 ?& QUnresolved Objects 4 W+ `0 t$ p/ PObjects so closely spaced with respect to the sensor focal plane as to be & L6 c1 O8 Q1 O$ C/ i6 K* aindistinguishable from a single object. ' Q. @. o5 X* x% f) X$ [UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 3 \) _: q( n! o/ uUOES See User Operational Evaluation System. , I% ?7 @9 t7 e, AUPD Unconventional Passive Discrimination. " o' `, P; K/ z* b5 \) kUPS Uninterruptible Power Source. # ]2 {! |- `" Z$ i I+ ^. KUQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. # r4 i1 y6 F6 T- Q0 hURL Uniform Resource Locator (internet protocol term). & ?* C7 J W% b, t# x- DURT Upgraded RTD. & o5 g0 B& u& }% L- iUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. 0 a' u3 [; h5 a# UUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 3 q: q- h% S9 v, D312 USACE United States Army Corps of Engineers. 7 z( [2 Q. R7 N2 N$ h( V5 B* ]USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. , C7 ^- U( }; v( ^1 TUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. * Z: F% V1 e- r& ]; CUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. : D9 v. z. s/ h+ T. H. `; D0 hUSAFE U.S. Air Forces in Europe. 6 B7 }) g) l+ bUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 6 O3 @- i4 ?- c; t; cUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. ; D* I: b, L& U% T# E/ p$ AUSAMSAA U.S. Army Materiel Systems Analysis Activity. * p7 B) G8 T! l. E" `$ LUSAOEC 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. * a2 u2 E! I% K+ t( }% p. xUSARLANT U.S. Army Forces, U.S. Atlantic Command. 6 ^1 l% o2 W; K' {/ S iUSARPAC U.S. Army Forces, U.S. Pacific Command. % _! V/ b7 v% F2 dUSARSPACE See United States Army Space Command. , F1 M8 b: A- c% _% }" f+ [* b/ lUSASDC 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 X+ j ?# g7 i2 Z1 JUSATRADOC U.S. Army Training and Doctrine Command. 7 U, _; H/ P" i& L; s, i! g/ hUSB Upgraded SBD. - r( @# S d3 U& h, L" ?USC U.S. Code. USCENTAF U.S. Central Command Air Forces. 0 `, {: g2 b1 V! S7 r. D0 _MDA GLOSSARY, VER. 4.0 U 3 U9 d, j; _/ e) B313 7 S5 _2 u# _2 _* vUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. - i2 X. G* N! u, ~* @$ F4 [4 rUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. $ U% I) ^( F$ F7 yUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. ) Q0 T, ~2 ~, S9 VUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. 3 B0 T7 Y6 B' F' a7 D' P0 @# uUSCINCTRANS Commander in Chief, U.S. Transportation Command. / m) b3 M; Z1 j9 h$ i* dUSCS U.S. Customs Services. 3 y5 ]7 u# [* H, NUSD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). 9 d; I; l0 c* }2 h0 @3 SUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 2 p6 W- s; x4 j6 W3 [+ m$ y5 kUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. " O. P& I) j" N8 t5 F7 CUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. + H' C& _7 D4 x- w5 \1 ]USDAO U.S. Defense Attaché Office. . \/ t8 `( w/ W. I, vUSDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. & A7 j- o: J. h. D. bUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation ( _6 |( V1 Q! O( ]: ^System (UOES) 2 K9 K; Y$ I- H% ^Prototypical system developed and tested as part of the early phases of the ; L3 U8 j( E1 b0 t! r, R4 @development process. A UOES has two objectives: (1) testing, evaluation, and . U! c4 R8 r7 L$ w2 X8 Ytraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the # w% H# Y4 M+ R2 P3 j9 q% Tnormal acquisition cycle. # L6 r7 g2 W; m: EUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 6 k6 K2 F( Y3 }8 @! j2 X5 u& HUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. + s6 U/ Z1 E" U: g& n A" s8 } [USFK/CFC CSFK Combined Forces Command. 7 x- P8 w$ ~' I o3 D! b; g* rUSG U.S. Government. O* b5 T* ]2 I! PUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. 4 I I' R% o! I F+ {USMAR- FORCENT U.S. Marine Component, U.S. Central Command. - n# n4 [# Z. M6 {6 Z9 C: vUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 8 w- O' y/ B+ i' l, X/ g% e. ZUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. 8 \0 Z7 {) x) I! u: F' _USMCR United States Marine Corps Reserve. 0 e' H0 f$ O, E) k% F. v) GUSMILREP U.S. Military Representative. - d5 m. A z/ M8 _( w( xUSN United States Navy. ) Q* m3 d# }* V$ N/ b; K' WUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 4 i) S! o2 F7 s8 SUSNPGS U.S. Naval Post-Graduate School. ) |& N6 @0 u6 e& l* W5 P! j9 @USPACAF U.S. Air Forces, U.S. Pacific Command. * I4 D3 \$ m ^8 MUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). % ^# ]2 j: ~1 y- P, _( tUSSC United States Space Command. - q$ B1 t/ V. IUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. * H# L+ j9 x" b3 qUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. ! O) J: o8 l' _* X H( E& @+ o# \8 D$ VUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. $ A3 E) X; k3 f& U/ F! @( K& n. K DUTC Unit Type Code. # F6 l6 F$ f5 M: R$ [1 x! CMDA GLOSSARY, VER. 4.0 U 315 8 S' Q' \+ e, a1 p& S' Q3 h9 ?% _UTM Universal Transverse Mercator. * U+ S6 ~! F. LUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 0 P0 z% A G4 ?4 v n8 g0 a* r; xUV Electro- Optics 0 {4 E' A/ H( [5 H& d( B: uTechnologies/techniques employed by optical sensors in the wavelength $ M0 }& a, z1 Q: T* ^spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. " Q% S( t/ H3 q; EUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V ' g2 [- S; I6 x! O$ U316 ! m5 k6 G1 o! P- `V Volt. : ^$ a" }$ Q: S L, y. B" OV&H Vulnerability and Hardening. ! m" t3 S9 h9 `1 C+ r, cV&V Verification and Validation. (See Verification, Validation, and IV&V.) 6 F! }" i. X7 v0 m3 Y6 qV/STOL Vertical Short Takeoff and Landing [aircraft]. 1 Y2 Q% W# V6 ^- C; K1 VVAFB 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. ( O7 J/ t0 ]9 @VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. - A2 Q" E& o6 |1 VVariability 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 factor introduced to average the effects of orientation, minor shielding, and 1 \) R j$ M1 k( W* Guncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ; J- ?! K4 N2 P5 }6 y5 P Z, r' GVCC Voice Communications Circuit. ; |4 i$ t7 o. z6 X: YVCRM Verification Cross Reference Matrix. " d, G+ l3 Q: N0 f) @9 i7 QVCS Voice Communications System. - u& a% m# Q, R/ r" q/ [# L- CVDC Volts Direct Current. ; }1 P0 t" u1 c* q7 Y/ IVDD Version Description Document. P }' i/ s# n' M9 cVDU Visual Display Unit. , q/ o/ |" G( q) U' s( n! z4 L. HVE Value Engineering. 1 E$ \ v) W3 Q1 c& [4 ?" V9 \VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, , X! v/ [, u$ h! Gcalculations, logic, and interactions of the system under evaluation. ! f6 ^; o# _: z3 Q(2) The process of evaluating a system or component during or at the end 0 J7 A/ _/ S+ U5 j4 v, L- oof the development process to determine whether it satisfies specified , W7 i2 }* ? o J2 y* wrequirements. " F& v+ }- B# S5 K, AVESA Video Electronics Standards Association. % r1 R! ]0 f& E1 |" T3 zVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). , b& B5 z4 L- d) A3 t% t/ VVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. * G6 u: @2 z9 i9 G8 K0 m {MDA GLOSSARY, VER. 4.0 V ' N0 _3 Z/ J: v317 ' {3 k: z {; [8 V5 E/ ]2 [' j2 OVIDS Vehicle Integrated Defense Software (USA term). # \# h% ~/ m5 q: g- CVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 4 E5 z' ~! b$ S5 n5 gOperation Per Second (OPS), using a mixture of experimental three-dimensional 2 _% d( L4 D; I$ d: i/ pcircuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR " z: ]* R) z9 scameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. 2 f! a1 B, A& v% Q1 q7 @/ x. ?VIM Vibration Isolation Module. % j8 ~) b/ O+ N+ f' x' I4 tVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. 5 J4 f) Y3 m" J) W: QVisibility Range + Z' ]7 h1 N( {' z9 w; L(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 2 ^' i% `1 t; j! z: `. c% B$ zjust 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 exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 # r: R+ G+ ]% Tkilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of # R" V. m/ N5 o f( ], Ythe wavelength spectrum. ; T3 ?9 l2 f$ u3 x9 w) d, BVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. % v1 J6 H: Z7 D c; mVLSI Very Large Scale Integration. VLSIC VLSI Circuits. & F6 a0 N( m7 L1 } z& JVLWIR Very Long Wavelength Infrared. 1 D( C3 `; I; l, T2 YVME Versa Modular European [standards]. 0 \/ T" t C* `5 EVMF Variable Message Format (Telecomm term). ( x( N. x& }4 M. R2 B- x8 GVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. 7 n$ `% {, ]1 b: f7 h. VVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. 2 s& B2 S& |4 V+ T! gVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. . m4 |( R, O/ `; Z# n* f: T" }VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 2 H; u4 G: x# o318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. & }2 d0 `2 Z9 V8 eVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 W/ With. & s' s. ?" Y4 i* v xw/o Without. 5 g! {. D$ ?0 QW/TD Warning/Threat Detection. 9 W' J( d0 T/ ~+ e. ?2 ]WAA Wide Aperture Array. + G, q0 O& A' K% H# bWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. 0 H! }8 H# u& r$ |WAN Wide Area Network (Telecomm/Computer term). 2 L$ P; E* s* k" @! }7 [% Q& K8 Q+ gWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual + b% w6 Y6 p+ s3 Q7 V9 t& Qor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the ' l) u8 A% z/ l% ]6 JJNTF for use in CONOPS validation, missile defense program design verification, 5 q7 C1 f5 ?2 {! H1 n/ L }validation and accreditation, and support CinC/Allied wargames and assessments. Warhead 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. 1 }: ~8 b, U x1 q: aWarhead Section A completely assembled warhead including appropriate skin sections and related - o( { n2 i8 B. c6 Acomponents. }/ a& d1 [" {+ AWARM Wartime Reserve Modes. ( c. b& H% y- A/ w& hWarning 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. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). / b3 A6 l" ~0 D6 S( r5 B% YWARSIM 2000 Warfighter Simulation 2000 (US Army term). & B1 c0 ?: f Y+ T4 m7 _Wartime Reserve 9 j: P) \: S: X0 ? E1 pModes (WARM) Characteristics and operating procedures of sensor, communications, navigation 5 `3 `3 B* i* s; s6 O$ Faids, threat recognition, weapons, and countermeasures systems that (1) will + q2 ?# O4 y* W; m- Dcontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for + T; q3 ^2 w$ J- Qwartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. % X! o0 A) J- o' Y- fWASP Wide-body Airborne Surveillance Platform. A modified DC-10. 0 |4 k- s# s8 k7 Z" r8 nMDA GLOSSARY, VER. 4.0 W p5 U6 f |+ e1 L# x320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective ' F, b' E% |- i1 Q4 ^in contributing to the defeat of the offense. Watch Condition (WATCHCON) ) w# u: |/ p0 a& TSeries of readiness conditions used by the intelligence community to alert staffs 2 n1 E, F! s! t4 ~to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. ; M% Y) q# f. c) T6 s% O* YWavelength 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). , I K$ K* i5 @ m5 j5 sWBS See Work Breakdown Structure. / k/ T" H5 [: mWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ) r3 v$ S' E( p4 OWCS Weapons Control System. % z1 ~( ?* g8 [WDM Wavelength Division Multiplexon. , O4 c: Z' e+ I; [Weapon Enabling The set of control functions without which defense weapons cannot be launched.