航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T ; u! U n! Z2 N$ C t7 U: d4 V% ]298 8 H9 i% [, g" }3 W/ aTheater Missile . C. n4 T3 ^8 N- p1 u1 vDefense Council ( q1 v$ R9 n5 T' E% T" z(TMDC) + j; p7 Z( y# a' vA consultative body for considering TMD family of systems planning and U6 b5 m0 f6 {& I. y, oprogramming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of : Q3 B- W: g4 z- {0 u# f1 reach applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High 0 e9 f9 f' i+ ^. {2 jAltitude Area R- B* `4 H$ Q3 y+ k* l) X0 MDefense System (THAAD) 8 E' g0 i& H4 N. j6 \5 B& uA ground-based, air transportable interceptor system that will provide wide area & r5 e; Q2 d7 d' qdefense capability by intercepting longer-range missiles at higher altitudes and at ( B' g! T( _5 `/ qgreater distances. Will provide an overlay or upper tier to point defenses such as ) u9 P, h' V* Z. `PATRIOT. Theater Missile 2 p4 _/ x) _0 M$ y, v(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 % m- w3 o& }3 v" Fof attacking targets in a theater. Theater Missile Defense (TMD) 6 M' A% F8 \- o/ i4 ~OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. 6 ]/ ]7 l4 j# W9 N2 sTheater Missile 9 U- L4 M' v/ C; I: \* D8 qDefense Ground- L8 D+ X5 v# e7 N0 D+ z) @Based Radar (TMD-GBR) " S4 G* P3 F% x: I6 [' RA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as ( ~$ W' a- l$ W# |THAAD Radar. Y9 \: v5 I X; W# b7 oTheater Missile Defense Initiative & E4 ^( L% j1 s3 Y(TMDI) 3 T9 C. I! J2 e. q, KAn initiative under which all DoD theater and tactical missile defense activities are , w9 I( W6 A8 `8 S: @: Ncarried 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. THEL Tactical High Energy Laser. 7 |/ a3 O! I1 E- p/ z) Z0 cThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of & F K; b' `1 ?6 b' F9 }thermal energy received per unit area at a specified distance is generally 8 }2 s5 u& [( Y# bexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 6 J$ r( v3 \8 }# P6 ereflected from the objects, which are imaged. - b# n, J8 y. {& ^4 A$ EThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal ! M; Q+ K! a _/ |2 `) YManagement Technologies/techniques associated with the control and management of + K" w3 H! j) s7 q9 o# `0 c4 _' bthermal energy, its generation, dissipation, and recovery. ; C9 | Q/ e1 D1 \Thermal 6 w4 m5 s [# W! Z J; M6 RRadiation + ~/ y8 i/ O1 A& VElectromagnetic 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. ' D4 F% ]: V) C F. a3 @Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 3 t6 f5 ]0 `$ ~9 [5 ]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 absorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated ; _4 V( ?5 H$ B5 cregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 2 Y( h4 U/ o6 v299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 2 R+ M- J! [; F/ f6 w8 z nit is a region of more or less steadily increasing temperature with height, starting 5 z" E( g- q' q* j2 L \at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. : t e3 ^% J0 t8 }Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. 1 |1 J! q7 V- ~, k' _: KThreat Corridor # ]4 ]+ N$ {' i( l(Threat Tube) A 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 ) Z; e! U0 c5 b8 N2 K; D* Y, gtrajectories to be represented by a single trajectory in battle management computation. ; f( O6 _: V, w7 J! h! CThreat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. . l& z/ B4 Q: h |( l# f2 NThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. Threshold Defense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. 4 g8 \- v6 J8 D$ n& M/ Q DThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry & j5 @- @! \2 A9 @3 C y- Ophase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. # A" r2 y# Y, bTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat a5 X1 k: ~- @- G# w(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. ; ]. O( Q j5 l# RTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. ; X% D- a% t1 C! M5 KMDA GLOSSARY, VER. 4.0 T 6 C! r$ V! I5 @. o5 t300 Time-Phased Force and Deployment List $ ~ u" ^5 c v# `& AAppendix 1 to Annex A of the operation plan. It identifies types and/or actual % ~( M4 k" w6 U1 V+ _+ iunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. g: Q+ J( m) r: |( {. ~Time of Flight 6 E* t! M e5 B" E* B1 l. @(Max) The maximum time for a booster or vehicle to perform its function from time of launch. ) Y% l7 K6 O3 @; Q, X9 MTime on Station The time the sensor is in its operating position. Time Sensitive Targets " }6 t& u+ ^" iThose target requiring immediate response because they pose (or will soon 0 O5 T4 O: z4 g, W5 r+ b9 A& Tpose) a clear and present danger to friendly forces or are highly lucrative, ' Y2 n& y4 c7 z& G% Ufleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). Z9 j8 t6 G% {, H! UTIN Theater Intelligence Networks. TIP TOPAZ International Program. ( c5 Z+ G' H9 _8 lTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar , T5 I3 w7 ^( n# qTerminal (GBRT).) 8 m: e* ]% e* |2 lTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) # k0 }" J0 R& }) tTL Team Leader. & W$ H3 i" q, h! P9 X! nTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). 4 p+ H9 c4 g: s/ H) ?* bTLDD Top Level Design Document. : D. T0 T4 g8 R. r$ E: t0 CTLV Target Launch Vehicle. TLX Teletype. 9 x4 B C0 ~7 STM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). : Y+ D) O. }; n7 ITMCC Test Monitor and Control Center. / s$ I; B4 M- |0 b- x3 [+ {TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. 2 p' C8 W- N* B# J/ E0 H- JMDA GLOSSARY, VER. 4.0 T 301 TMD C * g: k/ A( m: s4 q1 c3 3 o3 e4 m; m3 h0 {/ _I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). * m' y/ p3 ~9 s; ?. J: XTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). ! F w) }3 z) s. L- b7 H+ n2 bTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. 5 a% z1 \) F# [" `/ m+ z: yTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 3 C# j0 s/ M; j! w3 F" qTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 3 }! d* [. E% k% KTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. 9 B, b- w0 ^2 ]) w5 V3 ZTO (1) Task Order. (2) Technical Order. ! L4 H7 @) a' |$ t" W* @9 _, T: PTOA Total Obligation Authority. * v- v: ^6 z* O+ F! r' v6 a+ n' \+ ZTOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. 9 u3 o. W+ u: D/ XTOF Time of Flight. TOI Track of Interest. : C' t/ ^( f4 a6 t$ ?* VTOIA Task Order Impact Analysis. " t* a: D6 ]6 m- MTolerance The ability of a system to provide continuity of operation under various abnormal conditions. 9 M: E5 d1 {" Q }5 w. }& h/ W1 u' yTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 3 t! W0 Y( Z. m. N& S6 |* |# J302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). & ]7 W% F$ s* c- YTOO Target of Opportunity. TOOL Target of Opportunity Launch. S3 m$ `2 j4 V# N4 s1 p! x9 wTOP Task Order Plan. # t$ B. z3 K8 L1 GTop-Down Pertaining to an approach that starts with the highest-level component of a # [' Z; P8 C, [/ j) k% n7 \hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. , \, d0 [% k2 D4 N2 q3 U8 z3 jTop-Down 4 g. M( k7 p/ mDesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. Top-Down Testing . C0 `- L& h" p# ?& \( {& H; OThe process of checking out hierarchically organized programs, progressively, & w9 r2 |/ ~8 c/ @, x7 P2 p2 c2 Lfrom top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. , y% U0 x2 D1 q* n1 sTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target # A' _) t4 u. Y. W" ^4 dTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given 6 |2 l$ J c1 i' S5 T" U4 @fiscal year. / e# G& f- l, f- OTotal Quality Management # U4 f+ w* l- Y, }& X3 T(TQM) 0 D" Z" Y; U/ D& U) z, Y }' EA management philosophy committed to a focus on continuous improvement to / n2 m7 p \" T1 M& l# }. v- y" i; Zproduct and services with the involvement of the entire workforce. 0 t+ s) U! W8 [$ Q0 c& q7 Y6 m4 Y+ VTOTS Target Oriented Tracking System ! c3 N, w6 C0 }/ W2 FTOVS TRIOS Operational Vertical Sounder. + [% L+ N. |& l/ J e# e. ?# DToxicity 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. / a& Q/ C$ P- w: [TPD Mobile Tactical Radar (US). ; x7 {) q) t. O" PTPDR Total Processing Data Rate (TelComm/Computer term). : d# \, C* e' U( S- IMDA GLOSSARY, VER. 4.0 T . z0 N0 n& `3 o: C3 O0 H303 ) A5 b- Q6 _7 l3 \! z0 v; a W* KTPEC THAAD Performance Evaluation Center. ( @: H: g* T, E' c+ s" g, WTPEM Technology Program Element Manager (SDIO/MDA term). : J" ^' [& j1 O' @TPFDD Time-Phased Force Deployment Data. " ^ f& p" N' H4 iTPFDDL Time-Phased Force Deployment Data List. 7 f6 J# f* I! u" F. ITPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). 3 u$ D9 J1 s; A; r% oTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. . C3 Y0 \, }1 P$ BTPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 3 o$ c# P5 m$ T6 R2 A5 P- STraceability (1) The characteristic of software systems or designs or architectures or - ] j5 y4 E5 I2 Udomain models that identifies and documents the derivation path 5 f% w) e$ y5 Q9 M(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate ; O1 A$ K# t) Mrelationship 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. (3) To lock onto a point of radiation and obtain guidance from. * T1 b5 T7 B2 w% }(4) To keep a gun properly aimed, or to point continuously a target locating . v, j) L: L2 t N9 t) |instrument at a moving target. - G, V( S0 I- E5 r# J; e(5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly - [& k! }. a9 k' K6 bin the track may indicate a hit. 9 v) ^' J q/ E4 w0 s5 Q* VTrack, Birth to % z/ V2 W& \; p# t3 rDeath The maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available data. 3 Z% t7 [$ Z- G' nTrack Extension This term usually applies to improvements in track estimates by use of new data. % H: Q. [4 Z8 iIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T # ]5 q5 A; h7 `$ v4 J% ]304 6 f! t7 u' ~/ kTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS , T, I; S1 W4 b kmeasurements with irradiances with confidence of association; or some subset of 8 I& R; Q1 w: vthe above. Track File-Track 0 q+ k0 \* D! t; ?1 UHistory , ~% D# y. I9 Q+ yA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and w/ n0 E% d& u# Yany other features of interest. Tracking and : H/ W a. i; E( |Pointing 1 D9 e5 B, i* y0 AOnce a target is detected, it must be followed or “tracked”. When the target is ' t( U; P. R4 N! [* Gsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing & N r3 m& P# t) rare frequently integrated operations. Tracking Range 7 i* [5 L# S0 L0 F" n. m( `2 D1 O(Max) 9 i `0 M' E9 BThe maximum line of sight distance at which a sensor can maintain track of an ! U- q$ l" n1 N5 z m {$ O% H" Yobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector 7 j5 r S, h5 o3 [. }- lof an object. The process typically requires observation from a number of 2 r9 v) m; |8 j0 r2 |" Rframes. Track Production Area An area in which tracks are produced by one radar station. 0 [" x! }; J! S4 X! E5 nTrack Symbology Symbols used to display tracks on a data console or other display device. & b& j d& c/ o4 I% u# h2 s! S# uTrack Telling The process of communicating air surveillance and tactical data information + s) O4 G$ V& Z: L! H1 F( \( V0 lbetween command and control systems or between facilities within the systems. ! X# N3 P! g, ]2 S+ M/ yTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. ) H, `- Q" X4 _Traffic Capability Maximum * K g4 F, ^) L6 h6 IThe maximum number of objects per unit time which the sensor system can * i& U- R) d* {( L4 _) umaintain track files. 0 n. @' t8 f, @& X- A5 q' TTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. ( V4 p h. [ I& o* Q, j: VTrajectory The curve described by an object moving through space. Trajectory ! u- S$ u! J! [& @% k ]Histories Trajectory information on targets recorded over a period of time. 5 D8 ]1 k$ o) A5 z" n8 z" z7 {5 ATRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. + C- C' W: n. K# e& B3 _MDA GLOSSARY, VER. 4.0 T 305 & }. S E& D! p8 N4 C! Z+ l' VTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. ( U1 T. X( V: f6 P6 V. ?, `' [; }Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production 0 S W! \6 d1 ~9 _; qA risk reduction process during which the program shifts (passes) from , `! D6 f5 k4 L- h8 x* Rdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to `$ |6 n1 A5 t( N! ?% G8 fensure the system is ready for manufacture. (See DoD 4245.7-M.) 5 @$ A0 p2 C. _ ]/ L4 QTransmission Security (TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 6 s" V9 M- N4 B$ W* d: z7 QCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative # w& L, t. U, l1 Y3 l8 dspeed of the fluid is subsonic in some places and supersonic in others. This is & D- j* G' w' [; r1 Jencountered when passing from subsonic to supersonic speeds and vice versa. + ]2 ~9 H; w% I jTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 6 L- J" w6 U# dTRAP Tactical Receiver and Related Applications. ! I7 @8 N; n2 y' }" e" BTrap Door A hidden software or hardware mechanism that permits system security 6 K- }/ B3 ?% F0 \, Nmechanisms to be circumvented. Traveling Wave 9 U" b# }3 h9 ?& w( eTube (TWT) An electronic tube in which a stream of electrons interact continuously or 3 \$ ^4 u* m, r6 zrepeatedly with a guided electromagnetic wave moving substantially in 5 i' [: ^$ m! W; T8 g/ J" Bsynchronism with it, in such a way that there is a net transfer of energy from the 3 g: J; ?$ h; Zstream to the wave; the tube is used as an amplifier or oscillator at frequencies in & G" s8 T1 \* v; `) ethe microwave region. 2 @5 T# Q7 U8 z; c7 ]3 V7 [Traverse (1) To turn a weapon to the right or left on its mount. L% d- q/ U* K6 m(2) A method of surveying in which lengths and directions of lines between 8 ~% `" O/ K: W% Vpoints on the earth are obtained by or from field measurements, and used in determining positions of the points. 9 B$ O/ i# Y- s# VTraverse Level That vertical displacement above low-level air defense systems, expressed both 1 r7 L# j8 A- ?9 O6 Zas a height and altitude, at which aircraft can cross the area. , f6 G/ r( W& p8 FTRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). , H Z/ c; I, m* ETREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. * ]( I0 `! ]- B) A& |TREPS See Thrusted Replicas. 3 D, q0 b# w) {' xTRESIM Tactical Receive Equipment Simulator. : ~" K- e1 P1 k! Z0 z$ K3 hMDA GLOSSARY, VER. 4.0 T . u9 s9 a: S( A! H+ r2 z1 K306 4 J1 f5 C3 B# k: E4 x' K; t. oTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. & f5 J9 A7 ?, STRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). ( z, ~: v3 L% s4 ATRIM Toxic Reduction Investment and Management. * o- G9 A2 S- I0 ]/ MTRM Technical Reference Model. - `* U6 j- V" y4 A [- @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 performance. & k/ \ ^1 m( C% t B% _! d4 J- B) rTROPO Tropospheric Scatter. " e1 R) ?7 n2 C" oTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) 5 I% g1 @* k/ [) `Troposphere 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 * V. y7 s, y9 x/ w/ E1 ualtitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric 8 }% o) [5 B) cScatter h: N" @% ~3 R* G) |+ P) `The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. $ w4 h1 l, G, _(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. ' q& l# |0 @ V; ]* STRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted 6 ^+ T8 U3 N$ |8 yComputer 8 h1 x" Y- ? f9 Y" u; }# C- dSystem/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 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. 7 q3 }+ s' y: B% q; I9 X% N# qTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. 4 g1 L2 g* M0 a6 q/ ?: pMDA GLOSSARY, VER. 4.0 T 307 ( T7 r0 c1 y; I6 x4 L- }, [1 JTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. 5 V f' Z7 h) }- j" ETSCM Tomahawk Strike Coordination Module (USN term). 1 X1 p9 Q; H" I3 i. X6 qTSD Tactical Surveillance Demonstration. " O. K' ^4 h) v( C7 f( hTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 0 a, x$ ~$ G0 hTSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. . J* V# g2 K" o. _( G- v6 P+ lTSR Target System Requirements.

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TSRD Target System Requirements Document. # V5 d. O; b2 G- m: n1 \8 z8 t; ?/ GTSS Terminal Surveillance Sensor. " v& ?5 T2 X7 z: KTSSAM Tri-Service Standoff Attack Missile. ' S. p7 s2 m' n7 Y5 o$ Z" nTSWG Target Signature Working Group. . T/ q" v; g; n2 f7 ETT Total Time. ; w0 D M+ r1 I5 o9 r' eTT&C Telemetry, Tracking and Command. 5 b( f/ ] q/ s4 V8 O/ eTT&E Technical Test and Evaluation (Army). : w6 t- u# o4 Z6 oTTA Total Time Accounting. 8 O7 L1 E: \. i. t0 |TTBM Terminal Tier Battle Manager. 1 I6 H: v& f4 t# }) ~TTBT Threshold Test Ban Treaty. 3 X+ m M) r: z9 P/ ]: CTTD&D Test Technology Development and Demonstration. A portion of the CTEIP + P3 i4 o/ @; t0 K+ zprogram, which funds the development and demonstration of technologies, which have significant potential for improving testing. % j i: |( a8 I [1 ~TTEL Tools and Test Equipment List (ILS term). . m. G& d. L: ^/ ], yTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. ) o- ?( h- t7 F! v( y d6 T' gTTT Test Technology Transfer. $ s+ J5 W% G1 k' M/ PMDA GLOSSARY, VER. 4.0 T . W. X8 t8 K6 o; C4 q- Z308 TTV Technology Test Vehicle. TTY Teletype. + w2 y2 g5 {+ I; N4 w$ z; i) WTUG TRACE User Group. 7 b" H9 t6 x# pTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. + Q# p: R% {- L* C) Z: cTVE Technology Validation Experiment. + R Y1 H5 [8 c z* N% WTVM Track-via-Missile. ' S+ W6 j0 {9 o# A' N$ _$ p; W- ITVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. 8 D; J- X: E0 _* X* `TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). 0 Q3 o; v) p2 B7 M$ x7 q# {TY$M Then Year Dollars Millions. Type A - System + G- y! d `+ {. [Specification . U% K& [3 g3 }7 ?( K. `# RStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission % h% J# \; ~5 J$ [) [* jrequirements of the system as an entity. Type B - Development 7 f- ?/ w% z' }, d5 S# @5 |! b0 l% d+ `Specification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the & [+ _6 z8 {' \3 C& O2 V1 Edevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of # t+ S4 ~8 f0 z# \1 }those characteristics. Type C - Product Specification " }, U1 X0 L1 R5 N5 ]: m& PProduct specifications are applicable to any item below the system level, and $ M6 {6 @5 M9 f8 l# hmay be oriented toward procurement of a product through specification of 3 `' @! w" r0 T; I" a' H6 Pprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of . a7 G( q: G* Witems including computer programs. : Y* ]* I3 i3 W6 M5 @Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 7 [, D5 ^( p) K+ Z$ r0 Gset of characteristics, and associating the characteristics with a specific class of - c& S! A# k3 w, _, p- U9 s zobjects (i.e., SS-18, SS-24). : h3 o% F7 \1 f) G$ \/ c6 ?MDA GLOSSARY, VER. 4.0 U 309 , u: P- g% A' OU Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. % c1 }7 }( Z& B( j% @* C2 mU.S. West U.S. West Incorporated. x3 `6 N* y2 N' a5 @# H. WU.S.S.R. Union of Soviet Socialist Republics. + }1 l: t/ U& @UA User Assessment (NMD BMC3 term). - @7 |- V' e3 ?! b, s. EUAE United Arab Emirates. UAV Unmanned Aerial Vehicle. 7 H% n2 {8 h" ]4 X5 b3 s: U0 v/ |- L* rUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. 5 g9 c+ Y# f( P. h2 K9 a& k. o3 CUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). # k: m9 H- H: u- p6 [, LUCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. * N0 P3 O; U- ?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 6 ?5 h2 M: f' e% t& dcapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the . }; h; g3 l" o& oProgram 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 Operations Directive (OD). The UDS was developed and is regulated by the 5 g# T+ k3 E! w# uRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. 1 K" j, H0 |, c4 Z7 u; c2 b8 EMDA GLOSSARY, VER. 4.0 U ( `8 k' p& G$ J3 y" E- g! K$ o$ ]! r310 UFG User Focus Group. 8 q7 U' Z4 v$ w8 f8 J4 Z- aUFO UHF Follow-On [Satellite Communications System]. , |/ I) ^+ E7 J- HUFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. / }! K C/ `* t$ N) DUHF Ultra High Frequency. + P4 b: U1 D1 w1 | Z4 hUIC Unit Identification Code. UIN User Interaction Node. - ]; Y8 Y$ k! {0 Q6 tUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ; h6 K( F, @* V* F) R" oULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. 2 o2 p' L( O* Z- YULTDS Unit Level Tactical Data Switch (SINCGARS term). / i' d. h( f- V* W7 BUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 3 G0 s1 O4 q/ D(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 3 b# Q) l! L0 j L) S g8 c( HUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. 3 J6 x0 n7 _- EUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion 2 R( r$ i4 F- Q! `- n8 G$ F6 Y6 Mand escape, subversion, sabotage, and other operations of a low visibility, . V, p0 L3 V) Rcovert, or clandestine nature. Unified Action & j8 j& g7 X0 Y( UArmed Forces 3 `+ Y8 { p$ A7 ?1 F$ j) R. NA publication setting forth the principles, doctrines, and functions governing the ( l3 x3 [; @9 Iactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. 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 of Defense with the advice and assistance of the Joint Chiefs of Staff. ) q( N6 }3 I" L/ T( b- j' FMDA GLOSSARY, VER. 4.0 U ' w' _7 _$ x: V! B7 p6 x) s0 `7 C311 ( R6 y8 N, \) c0 ?- M, ]( C6 u$ n. v- cUNISYS UNISYS Corporation. 7 Q2 R3 o: U! U) I: g5 PUnited States Army Space Command 5 }: n9 ^* }& _7 T4 c3 R; z(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army 0 V, t, m0 U; zelements of the SDS system. Located in Colorado Springs, CO. % N' \' k# z9 q( Y" f( ?United States $ \5 L5 i. s g; l. |3 D. [Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. # m+ i' g, D$ D1 IUnited States Strategic & `2 `5 n: ^6 K$ F2 T c2 @6 CCommand " f2 P4 J p1 I0 Q. a/ `" l7 d" y(USSTRATCOM) + G1 p: {6 ^& V4 @$ aThe 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. 1 ^) _9 u! _; R/ n# j) {2 YUnited States Transportation 4 N. s# S0 |, W0 \* d9 GCommand * @7 k; j% D. @6 d0 G6 R5 ?) Z(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea - ], L2 }. o- o1 U9 U- ]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 " j: c: k' M; [6 Mneeded to support the deployment, employment, and sustainment of U.S. forces $ ?2 N( U/ M6 h8 c1 yon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. Unresolved / f/ _# n/ i" ?' I( }# DObjects . A+ l; o$ o: t/ |% N9 }Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. UNSC United Nations Security Council. 8 u& r7 N$ |% W, G/ p7 pUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. * Z2 K. I9 [: D1 Z) J1 OUPD Unconventional Passive Discrimination. + y& C' j9 N! O3 I* k1 XUPS Uninterruptible Power Source. + C" K7 s' k' y- H# Y4 t( [* uUQT Unit Qualification Training (ILS term). ; D+ m4 k* g; VURIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. " |9 H6 s2 |4 X* h: MUS/UK United States/United Kingdom. # d0 J9 @: ~* XUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. 2 N! t+ g: g+ kUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U " {0 C/ d# e" k312 USACE United States Army Corps of Engineers. # P; T: h6 S' ~* lUSACOM United States Atlantic Command, Norfolk, VA. ( s- W) r; J ~: j& KUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. " b4 N9 S5 s+ u& \3 L4 `USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. ; w/ ~$ Q% y" [$ Q+ @USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. ) F. j5 ?3 e: S) y. r4 o; TUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. . `' ~1 R; r' f8 w3 RUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 3 E% |3 I4 O/ }& [0 y$ P) tUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 6 L t0 u- T9 c3 b) C6 n8 rUSAOTEC 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. USASDC U.S. Army Strategic Defense Command (<1Oct 92). }, u4 ? C: \+ [/ IUSASSDC 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. , ^- L& l( @5 A3 }) mUSB Upgraded SBD. USC U.S. Code. 7 x! f$ @0 c% f; g/ tUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 * ?9 O" M, h6 n& \" m2 E* G/ M: AUSCENTCOM United States Central Command, MacDill AFB, FL. % Z6 J# r* O+ |( y1 |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. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. ) G4 F- Y# b. i8 p) {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.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. ! f% R/ T0 t8 e9 AUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. c4 R( c- z- ~6 g3 }5 ^USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. ( P* U2 R2 y7 P+ n3 AUser 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 9 s: i6 D) Y- D' r" v/ yoperate it successfully and easily. 0 d0 d6 A! E# k7 x. x7 iUser Operational / f8 e. J4 @6 ^# mEvaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) 8 u, p/ {# Y" acontingency defense capability should the need arise prior to completion of the ( @) F6 ~/ l6 O6 n/ i9 {normal acquisition cycle. 4 X$ T# t' m5 HUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ) M) v6 H; P* Y. ZUSFJ U.S. Forces Japan. 9 K" g+ k, V! uUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. 5 M! J( J$ T* D3 F7 \/ ]USG U.S. Government. , l+ o5 ^8 M' o, m0 YUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U u8 Q4 S, Z4 U314 USLANTCOM United States Atlantic Command (Now see USACOM). 7 I$ t* M0 b0 g/ V" VUSLANTFLT U.S. Atlantic Fleet. USMAR- - j, F) P$ E% Q: n: b2 d1 wFORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. 9 [8 N$ m8 b4 c, Q WUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. + s) h2 S6 ~$ GUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. 9 j/ v$ M) {! f1 wUSNAVEUR U.S. Naval Forces, U.S. European Command. - I. c* R5 c0 VUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 5 l3 I2 f* l5 W4 b, m0 }4 }USNPGS U.S. Naval Post-Graduate School. 7 _3 v( a+ n: t4 V# K; s X6 uUSPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. 3 V; p7 B" Z& @* D, G* E EUSSPACECOM See United States Space Command. 0 K& B2 V1 m( p+ t- E0 o& |USSS United States Secret Service. 0 V* Z+ r& u1 l& e, L# @USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. 0 y3 |% m8 D- V% EUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. 2 [/ A6 d- T% @: |* U2 SMDA GLOSSARY, VER. 4.0 U 315 & s7 C+ z n: b/ I6 PUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. 6 _9 t2 j" D; m6 G# zUUT Unit Under Test (ILS term). . {: K1 a& n B8 u1 F4 nUV Ultraviolet. 6 ?8 B& T4 X. w. z. }9 B# iUV Electro- 0 X, W& m3 l5 ^+ V: [Optics Technologies/techniques employed by optical sensors in the wavelength 1 b% v8 Q0 Z+ [8 c$ k, o6 fspectrum shorter than visible (e.g., less than 4,000 A). ! E4 R) ~ T' `: A. r1 oUVPI Ultraviolet Plume Instrument. " x% V% |1 l0 E1 O) u+ L Z9 p; v% TUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V K/ N5 m2 S5 e) m316 V Volt. % _3 E7 t6 J- E- A8 L' s( Y8 aV&H Vulnerability and Hardening. ; x5 ]/ t( \3 cV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. , z W; ~. a( c. \2 M, y% O' }8 O: S0 KValidation 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. 3 t8 ?# {7 [) m: W" |VAMOSC Visibility and Management of O&S Costs. `& G6 y! [3 l+ p6 g% e2 {4 MVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases 0 G" B F* N/ i' Awith the distance from ground zero; or, in damage assessment, a mathematical 3 ~! x! ~: X5 ~factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. 9 T. |4 P8 D$ t$ ~9 U* SVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. ( J# ~0 e7 W; s8 ~( G) MVCRM Verification Cross Reference Matrix. 9 [8 d& P8 l$ m. J% z# {9 C2 [VCS Voice Communications System. % X$ B9 e, W& B3 g% ^VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering / f0 S" K" ~8 Orepresentations of a T&E resource accurately portray the characteristics, $ C8 y) s( N3 J6 _8 {2 y% Ocalculations, logic, and interactions of the system under evaluation. " s4 h9 k- T) C5 m8 e+ b/ f; X(2) The process of evaluating a system or component during or at the end 8 F8 M- U+ V4 {, Dof the development process to determine whether it satisfies specified ' M9 e9 |9 a" u# L* B0 o; h% X/ Yrequirements. 4 e' P) j H0 B% l eVESA Video Electronics Standards Association. 1 K9 E6 a& _& N! K( d: D9 VVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). ' v0 L4 s8 U @: {" VVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. . k3 a- }, s- B: d7 E- NMDA GLOSSARY, VER. 4.0 V 8 B* ^. m1 f2 S5 `317 7 r! |* z/ e: U& O/ f. F3 s2 [VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D 3 B5 ?" ]5 R d+ z8 J5 yExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a * {4 ?" Q; b# F/ ggimbaled airborne sensor with visible, experimental UV and quantum-well IR 7 a+ p$ ]& y0 C6 pcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. / j) ^8 d9 S% R/ l) H0 U& @VIM Vibration Isolation Module. 2 `" e Q( A* T& N. j+ h5 aVINSON Encrypted Ultra High Frequency Communications System. 7 y8 O( h7 y6 c, M6 kVIS Visible. VIS/UV Visible/Ultraviolet. + {0 N0 C4 K9 a. |& A" @1 YVisibility Range ; |7 Y) ]' ^; X+ ?5 K0 T0 E5 o. i(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can * [) ?8 t1 w: Y- t, f$ \0 b9 _) djust 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 ( a l) s* D6 I- E8 |$ p6 ]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 kilometers). ' Z! g1 @: ~+ V' X u3 {) EVisible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of 3 t; c, D! s4 M6 \2 y- Othe wavelength spectrum. , o6 j: z# T3 r# X! l* W* z1 C) xVLAR Vertical Launch and Recovery (UAV JPO term). 1 H1 F. Q, q4 ~; {6 ?VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 3 A$ _5 g9 \9 w! BVLSI Very Large Scale Integration. ; z S7 r! }) Q9 V/ n5 t |VLSIC VLSI Circuits. $ L* u, C$ E- ~! L: wVLWIR Very Long Wavelength Infrared. ( X2 [& h# C! O( sVME Versa Modular European [standards]. / w/ p" G! t dVMF Variable Message Format (Telecomm term). $ U6 {2 x. p2 o6 W i( XVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. . B5 q! l1 _4 z* w8 eVTOL 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 9 Y9 b; }/ b& R1 H, P( jVulcan UK bomber. 1 \! a% _9 o/ w% RVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. 4 p! c5 U$ F" M SMDA GLOSSARY, VER. 4.0 W , n, }+ Z2 N/ ?: W+ d319 W/ With. w/o Without. W/TD Warning/Threat Detection. # v8 v* P* N3 W: S' M" d# |WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. $ t8 o9 \3 l, }6 ^$ Q! z% Z- G+ r: ?3 ^WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 7 y9 W/ v! O' ~3 E! a+ h9 G- vMunition. (3) Wide Area Mine. (4) Wide Area Missile. 2 O7 c* K1 [/ pWAN Wide Area Network (Telecomm/Computer term). $ T8 b' b$ e" f( TWAP Wide Azimuth Probe. 0 ^# _& h" B2 l' A7 iWar Game A simulation, by whatever means, of a military operation involving two or more % R7 {0 V: w( F/ h2 m% ^9 Z, D8 Jopposing forces, using rules, data, and procedures designed to depict an actual ; f" R! K6 J S9 r! b% por assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the # s1 B$ j+ d; T7 a. h6 rJNTF for use in CONOPS validation, missile defense program design verification, 6 N0 {7 T! L& W1 ?5 D4 V ]validation and accreditation, and support CinC/Allied wargames and 2 j ], b" V+ Z0 Z4 hassessments. / {2 Q. v: }+ ^3 ?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. , i- z# x$ {$ SWarhead Section A completely assembled warhead including appropriate skin sections and related + V% ?/ z# `2 Q( A/ ccomponents. + O2 g' A0 m; K2 h. BWARM Wartime Reserve Modes. - p: ?: d5 I; ^, L# n' ~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. 6 ~" K, i8 j) |5 M. YWarning Order A preliminary notice of an order or action that is to follow. ) B& |' I$ j' w8 K1 DWARSIM Warfighter Simulation (US Army term). ; E- ^$ c! K6 Z- JWARSIM 2000 Warfighter Simulation 2000 (US Army term). 9 x; X! `& x( H/ J- h/ B. {Wartime Reserve Modes (WARM) , K9 Q" l" h& R u1 b8 qCharacteristics and operating procedures of sensor, communications, navigation 5 Z0 F% l" R: o1 O. I9 Laids, 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 - Q) j! B( ]9 m8 n I: T0 Uknown in advance. Wartime reserve modes are deliberately held in reserve for / f5 i- u* W6 O+ s7 ?; Ewartime or emergency use and seldom, if ever, applied or intercepted prior to such use. : ^. h" T: q5 W* z* {4 ]( LWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W ) h" b3 T( X) t# F9 z# @; ` y320 7 o4 ], A- t# Y5 D& f# b2 rWASHDC Washington, District of Columbia. 0 C8 S9 Y) `$ y* S* g1 ]7 K, |/ nWastage (Max) The maximum number of defense weapons which, when used, will be ineffective 6 c% k+ i' S( y9 i$ ~in contributing to the defeat of the offense. $ f5 y; m% B- b: rWatch Condition : b! \) x" B, Q! ]+ f7 E% j(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. $ m2 J. ^. |( G4 f0 kWavelength 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). 4 F5 a% `. M& K6 T1 UWBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. % g" k1 _* W) oWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ]9 f$ f% A! N* u" rWCS Weapons Control System. $ ?9 e- X% q" r/ n6 ^% IWDM Wavelength Division Multiplexon. 3 [% C; W5 v, {& C; s. l. KWeapon Enabling The set of control functions without which defense weapons cannot be & S5 ]! p* z: ]& D9 ]launched.