航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 4 n. I6 c6 K7 {: F; P6 z298 Theater Missile Defense Council % }' G. |$ M" C& N& ]6 h9 F(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for 3 l# b. ~- p8 m f; i: DAcquisition/TMD, membership includes MDA TMD Directors, representatives of * \, s$ a) p5 u- t( O1 ^% j6 deach applicable Service Program Executive Officer, and TMD Executive Agents 7 Z `( U9 h& w' N+ ~+ f3 Tand Program Managers. Theater High 5 }7 n4 U c' C0 Q5 P/ D/ ]* _' U/ HAltitude Area Defense System ( Y' G' X4 |8 j. X; q& b% N* X(THAAD) A ground-based, air transportable interceptor system that will provide wide area 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 PATRIOT. 8 M9 L5 X+ D8 F& O4 fTheater Missile : n# g: W! `$ K; x8 k(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 # B9 i7 S1 M8 x: oof attacking targets in a theater. ( P( t* Z: e9 zTheater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- 1 t0 g _* ^. i: j' _2 Q5 P( ~Based Radar 1 H8 W5 o* V, o% y, [) k; w(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 1 ?) {* G. B/ C) VTHAAD Radar. Theater Missile Defense Initiative % t0 K" G: V7 E) i7 u(TMDI) # U* ^* v5 b. R" b6 E7 e1 g* VAn 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 8 U, Q" L' Q6 O( O$ c6 i d* t(Public Law 102–484) directed establishment of a TMDI office within the DoD. 2 G! M. O4 p6 r+ nTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ( V0 |+ c1 X& [/ m6 Z* u& G; rthermal energy received per unit area at a specified distance is generally 6 V6 f$ d, I$ Q: s! S0 q7 Y+ Aexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. & L/ Q: j: Y% T5 t$ UThermal Kill The destruction of a target by heating it, using directed energy, to the degree 1 }! ]/ o" }$ p6 w& jthat structural components fail. ! c7 ?8 @6 f+ _4 d1 SThermal 0 @+ Q' c |; W/ z- h/ F! fManagement 5 R" ^6 q" x- s/ M% q% U0 O$ v# OTechnologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation I; O4 u" o/ z8 P% b+ 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. m2 f- Y% @6 W' k( y# O8 K8 z6 fThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 4 b$ b5 v6 h" Wemitted 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 : U) R" I( b4 ^/ x8 `" S; I+ `+ jabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) " |! l' T/ Q# z9 H/ |) aMDA GLOSSARY, VER. 4.0 T 299 9 T( U) S& r& f1 M1 z- |- oThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting ) l3 e3 I, `9 D5 i" s, V4 D/ @; Sat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. 4 K3 Z4 I3 ?, q) YThreat & o) P6 f9 _/ ]. MCharacterization * H& Q; ?3 ?, m/ W& T) CAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (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 7 b% z1 W0 ^- M0 X+ a# y# Wtrajectories to be represented by a single trajectory in battle management computation. p7 h) @3 I' Q) t) J, EThreat 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. Threshold Performance capability or characteristic level in terms of a minimum acceptable # w: Y2 `- A2 Y- G. I6 S5 ]value (threshold) required to satisfy the mission need and a performance objective. Threshold # u" I6 W7 f0 f) K w8 B/ A% u9 x4 }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 ; g% B$ e8 H4 N. Yoffense to mount a relatively large and complex attack. - R% N* h" ?. _/ A* T/ w2 u% OThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. . L+ Y" W! P$ k. E& n1 l5 c1 C5 f, yThrusted Replicas (TREPS) 8 X+ j1 g# z$ l" cConical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. 2 N: l4 `- T# |1 eTIBS (1) Theater Information Broadcast Service. ) n# T, l$ k ^7 t5 S/ A$ D(2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. I8 p9 o! i& q+ j1 `# |TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. ! a! ]6 R1 K i z% ^MDA GLOSSARY, VER. 4.0 T 300 Time-Phased / {* G0 R* @ a2 i8 wForce and Deployment List ~" P9 U6 }, p$ H( n) C9 L- tAppendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight / F, q& E, W6 C5 H( l(Max) The maximum time for a booster or vehicle to perform its function from time of ' L5 a o7 P# k0 S3 \; @launch. q. S- D5 l9 H" Y) GTime on Station The time the sensor is in its operating position. Time Sensitive 6 M% G: p0 S0 n0 T4 t0 A# YTargets Those 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. 0 D, O* ` v0 |' r6 _* h3 P% STIMS Training Integration Management System (USAF term). 1 `4 N6 I! L, I% j, ^8 c8 eTIN Theater Intelligence Networks. - r2 W& Y: I1 D; WTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar ( _1 N8 l7 J+ u. c% X- c YTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety k0 g/ x: o7 Y$ k" `- C E+ \TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. ( A% o4 u! g; {( s) uTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) / l( L, f, R! g; b0 k7 RTL Team Leader. " b7 \% l5 G9 MTLA Time Line Analysis. 3 {# [7 ^/ E7 f4 {5 `TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. 2 F/ X1 K/ O( [8 ATLV Target Launch Vehicle. : |3 p) |; i- o. U* E: }TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army ! z+ {' y. m. yterm). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. : f" N5 F0 a+ J# Z3 W( L4 HMDA GLOSSARY, VER. 4.0 T 301 " _- Q* x. ~, g0 X1 V0 uTMD C ; W V; W- E, D( g, Z0 C3 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). , C- ?! u: d d; N, g5 l0 {TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). ' [ t! k- A; m) P, uTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. : q0 C! ~# ], J2 D$ L. DTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. $ N# I8 _& J; c0 y# pTMDSE Theater Missile Defense System Exerciser. 1 G5 j% l: C+ K# H' T" K6 i* A& |# M* FTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). ) z- M3 j# _3 ]9 Q t x; iTMPCU Tomahawk Theater Mission Planning Center Upgrade. 7 J' V5 v3 `7 Z3 v+ I3 E" p) uTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. / A1 @: }8 t3 V4 }1 W5 |5 lTNW Theater Nuclear Weapon. T* b' U, d6 ~/ r! _: NTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. # Z# L% y, Y) n: ~& ?8 zTOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal 6 F8 X# i/ `2 @. w) p( t1 y- kconditions. 2 E7 G; L- P O7 P' _TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. 0 g9 y/ `" a7 O: ]$ JMDA GLOSSARY, VER. 4.0 T 302 : C$ A- m( N# c0 oTOMD Task Radar Management Details. TOMP Task Order Management Plan. * k; E3 ~( y- M4 ?: @9 vTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. ; W9 S9 H+ z' Z n% ?, e" QTOOL Target of Opportunity Launch. 1 K6 y6 l' R! s) G$ X% {TOP Task Order Plan. 1 W2 r8 u9 X3 s1 |2 GTop-Down Pertaining to an approach that starts with the highest-level component of a 1 A+ o, {$ G8 H/ ^hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. + ?) f" |5 Q6 J0 }7 C% y; g% @+ HTop-Down + K" E# \$ y: FDesign ; @& H+ _! C/ G( r: M+ RThe process of designing a system by identifying its major components, 3 }- t9 v: d; qdecomposing them into their lower level components, and iterating until the desired level of detail is achieved. Top-Down Testing & _% s# Q0 K2 }# [; V0 ^' J XThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. 7 A6 g4 F Y& Z# p: r' L- |% FTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power 7 l0 a5 T# l# I4 c8 j' Z! btechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. 7 S+ P: B, O4 |& {TOT Time on Target ; _. s, B# @2 V% }/ J mTotal Obligation ! o* s' \, s! d# UAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given - w! V4 @* C3 L1 h/ |fiscal year. 6 J; j3 o& e" l* M6 UTotal Quality ) X+ m% M- F1 C/ A/ r# E) |5 [. dManagement (TQM) ! p$ f2 N* T1 D, h W, S" iA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 1 V8 G) ]2 n, D9 U& ppossessed 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. , S5 _, [. _; j4 \: `( V6 p6 a6 HTPD Mobile Tactical Radar (US). " C# y3 u& ], {) C8 WTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T ' S9 H; w. j1 w. u. a303 ; D4 z* q+ i+ X* e: hTPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). " i3 G4 q4 v! ATPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. - `1 f3 y; \) OTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. 6 C$ }; ?$ S1 n* _4 PTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office % C/ _6 I9 b* \) h+ n8 HTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target 4 Q% J$ _2 r" KPerformance Report. * l- r Y$ N$ H1 s0 PTPS Thermal Protection System. TPT Theater Planning Tool. 3 D: |. L9 Y! t4 ?- lTPWG Test Planning Working Group. (U.S. Air Force) 3 ]5 M v+ p# Q# bTQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. # y' L: j$ n. ](2) The degree to which a relationship can be established between two or 2 Z% W! P0 c: ?2 Z4 d0 Lmore products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. 7 O7 t8 |& U8 E: z(4) To keep a gun properly aimed, or to point continuously a target locating - _: G0 O; ?7 R0 |instrument at a moving target. ! ?$ d( Z8 k9 L7 X4 }$ Z(5) The actual path of an aircraft above, or a ship on, the surface of the % b8 S2 x4 k, u* W- c, G+ \1 R8 Cearth. : M& y5 ]0 V( S2 ?- \& ATrack Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to % C9 N( A2 d, I, a: @+ N0 l. FDeath , H* X* `$ O1 j3 z: ^* c& q2 XThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). / T8 w3 i5 W) B% E6 \Track Correlation The combining of track information for identification purposes, using all available ! P l) F3 ^5 N6 |" u7 wdata. ) I. K/ j' t& F- gTrack Extension This term usually applies to improvements in track estimates by use of new data. 3 X+ Z i. \& S/ f; GIt is sometimes used to describe a process of target extrapolation to a future time ^6 X [) G. c5 h2 T: o# Dor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 304 - g' o: i9 u6 `- K2 M7 F! p+ g3 mTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of the above. Track File-Track History * t3 Y( h2 u5 kA set of individual track reports on a particular object, which taken together 0 S- G0 ]6 j4 t6 ~% u+ `9 Yproduce useful approximation of that object's future position in space. " W4 c' a/ Z- aTrack Formation The process of determining the track or tracks of detected objects. It is usually a / D: ?+ X, N2 h! P; Cthree-step process of data association, track initialization, and track improvement by filtering. ; A1 x5 U' K5 tTracking The act of generating and maintaining a time history of an object's position and $ I$ B# T+ A# u+ Kany other features of interest. + W# N1 a; ?0 k5 i% P. `8 ETracking and ) ]6 W7 I0 f, Z7 W3 @' I2 lPointing Once a target is detected, it must be followed or “tracked”. When the target is ^- U n$ U7 Z2 K; N4 Esuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing 7 h9 i Z+ ]" l% tare frequently integrated operations. A2 Y! A* |' Z) GTracking Range (Max) The maximum line of sight distance at which a sensor can maintain track of an object. - Q1 O5 e% G: U/ _; }2 R1 e/ STrack Initiation The formation of the first or initial estimate for a sensor system of the state vector $ t! T) d8 @3 H3 l' m$ pof an object. The process typically requires observation from a number of frames. " y" z5 w, G6 PTrack Production Area , y2 @; s4 y/ N! a0 ]An area in which tracks are produced by one radar station. z" b9 y. W2 e* L. X3 G% ?Track Symbology Symbols used to display tracks on a data console or other display device. * l; B! x. Q. h8 \& ]4 oTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability , X+ L+ \4 L' X* L! q4 q2 AMaximum The maximum number of objects per unit time which the sensor system can maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train 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. Trajectory $ m/ `( d; Z* ^" |Histories Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T , C E4 [! B9 g* u305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production ' w5 e" u2 B# g& Y( u3 Q1 nA risk reduction process during which the program shifts (passes) from ' A+ Y) S) ^! Y, Edevelopment to production. It is not an exact point, but is described as a % S( g+ F( q2 ^process consisting of disciplined engineering and logistics management to $ l% ~; Q- K: L n& vensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission : F4 _# f6 R2 e( P4 QSecurity (TRANSEC) 3 K( Z8 B- ?% C0 @8 C6 QThat component of security, which results from all measures, designed to protect 4 y ], ]! O; d2 U4 tcommunications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative 8 `$ T6 g, B* ^speed of the fluid is subsonic in some places and supersonic in others. This is ; n9 D9 y# E6 Q; I7 p. \encountered when passing from subsonic to supersonic speeds and vice versa. * ], V, N: R( X7 N# xTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 1 e# c; D& h( b1 T3 S; XTRAP Tactical Receiver and Related Applications. * g! |0 r! l, R l S, o2 zTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. / t& t* E6 d0 s3 B* G) J5 v& oTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or 1 [2 B* u& ^! I! f5 trepeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. # { K, _% a3 k" [(2) A method of surveying in which lengths and directions of lines between . D' w \! W: Z5 R1 `% Opoints on the earth are obtained by or from field measurements, and + Y" }% f" {7 B( 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 u- q, V" d1 u( O7 E9 F2 o2 wTRB Tactical Review Board. 7 K3 U4 l) T& e K0 d! JTRD Technical Requirements Document. ) O6 F6 v8 ^+ v$ @* t# S9 PTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). 4 q7 Z5 x# l, b/ }$ o* i0 e) @TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. - ~2 o6 `- h8 `TRESIM Tactical Receive Equipment Simulator. " Z. ~+ a% K4 ` D9 ~7 z1 uMDA GLOSSARY, VER. 4.0 T 306 6 X4 l# j! u4 ]' Y" R5 sTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 6 I6 U: E' ~$ E: O( \" ?TRIDENT I (C-4) US SLBM (USN term). . C7 K" D& S- d D. eTRIDENT 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 performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the - d$ }; h+ w- l* A2 n4 A# ?! x2 Satmosphere, the troposphere. The tropopause normally occurs at an altitude of 8 D, y s; ^$ j1 }0 G3 t/ \about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the 1 o V0 Q; H2 M3 U. a3 v- ptropics. (See Stratosphere, Troposphere.) # v1 ?# r9 T. A4 y4 ~Troposphere The region of the atmosphere, immediately above the earth's surface and up to # j1 n/ F6 p; Ithe tropopause, in which the temperature falls fairly regularly with increasing - I6 {' A3 T& Y& v( Baltitude, clouds form, convection is active, and mixing is continuous and more or less complete. : t2 [1 f$ b# I- TTropospheric Scatter ; B4 u4 S: A( n3 g1 FThe propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. F, r; q9 C4 @7 [5 `9 U4 N0 |TRP (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. TRR Test Readiness Review. . N1 x$ Q2 g( {, kTrusted 0 N" m, F3 w% Z1 R4 w5 qComputer \4 z3 L b$ W" G8 s" C+ jSystem/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. . u# k! B0 E! E# Q$ B6 h: t$ @/ {2 sTrusted 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 4 G, @+ ]7 n( H, c. Y& lof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. 5 O" z6 P D0 ~ Z* }3 ?6 eTS (1) Terminal Service. (2) Top Secret. 5 E! Q( U+ q* j$ e8 a3 C# I( fMDA GLOSSARY, VER. 4.0 T " Q4 x W. y$ d7 P0 i. V- G307 ) L& c1 p2 S( V2 p5 L; [$ MTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. . Q5 {5 Q) h6 q9 {, TTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. 4 z& o( u# }0 n' [/ \0 ZTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. & F6 y1 @0 ]9 ]1 ?# Z ~+ p4 PTSMA Theater of Strategic Military Action. TSP Target Support Plan. 7 }7 T7 Z5 {) C8 n$ T# w: k6 xTSPI Time, Space, Position Information. " M. u8 ~1 y9 l3 U1 m3 J% L% c; rTSR Target System Requirements.

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TSRD Target System Requirements Document. 3 s- v) u' V' H( k2 J8 J; _TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. * D: E* T: |) p5 k% b* T- zTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, 3 d4 q6 n0 V9 ?which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). ' D/ P! Z, O U8 V( FTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. F; S" J5 p9 g$ @! JMDA GLOSSARY, VER. 4.0 T 308 6 K2 f0 v. k) U/ w& h6 N9 Z+ XTTV Technology Test Vehicle. TTY Teletype. & O# N7 Q W# }8 p4 `. ITUG TRACE User Group. , h6 g1 Y- v: g [TV Thrust Vectoring (rocker engineering term). 8 a$ s6 J- a0 |0 w$ }1 ?* zTVC Thrust Vector Control. TVE Technology Validation Experiment. ) b2 m: X+ ^! f! g; K7 U3 t6 rTVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. 8 `) S) j* N. b e. y; e% U, ~TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. * b+ I6 r" w/ j3 ~% WTWS TOMAHAWK Weapons System (USN term). ) K# N7 F8 f2 ?2 B. B$ ]3 QTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). 3 R$ } d, |: c0 O0 p9 L6 l. a5 jTY$M Then Year Dollars Millions. Type A - System 3 o3 X g4 V& `5 y# I! j4 zSpecification ' a! g3 p; O" W2 N) x) W. v$ PStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical ! H( R w! t0 f _! g' bconstraints are included. Type A specifications state the technical and mission 1 H2 Q3 f* x$ \. U9 [1 W/ A8 Nrequirements of the system as an entity. \ }! e) K2 @1 @4 g% rType B - ( |) [7 V, k* j6 nDevelopment & b" M. ^3 P+ F/ MSpecification ; I5 h- _: o) q1 j; CStates all necessary requirements in terms of performance. Essential physical / E; Y+ O( U( l5 [$ g# \constraints are included. Type B specifications state requirements for the 0 \) }& Q6 f3 u) b, J, p2 c4 Wdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of - p- U2 O0 `0 q! t! ~, r) L' dthose characteristics. ) A1 ^: K( G* z6 r/ z2 ?Type C - Product Specification Product specifications are applicable to any item below the system level, and 4 g- `1 V9 k' ]7 m! Xmay 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. ' N( G7 t* h4 J6 n' ]Typhoon Class of Soviet ballistic missile submarines. ! T4 J* e! M2 \ w* ?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 5 U# h1 @1 U: e# ^; ^objects (i.e., SS-18, SS-24). 6 N: [% l7 d% J& X' g$ iMDA GLOSSARY, VER. 4.0 U 309 U Uranium. ' [( R2 V7 ^$ S( t VU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. ! [, c# e& X/ y9 b0 WU.S. (US) United States. 1 c- |' L8 k- q7 v9 q+ c' m; Y/ l/ vU.S. West U.S. West Incorporated. 2 q) K% ^ y" ~8 z( `; e) EU.S.S.R. Union of Soviet Socialist Republics. 7 j5 J: }2 _$ ~9 M1 A5 x9 dUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. + l5 k! H! X bUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. # `% Q* [0 W1 s7 {( R0 DUCAP UAV Combat Air Patrol. ! z6 y2 {7 f& N- c- KUCC Uniform Commercial Code (US legal term). ) s: D0 A- ?* x9 ~6 d8 J! x8 oUCP Unified Command Plan. 6 p2 b1 o( _+ E- TUD/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 capabilities and plans of test ranges to support program requirements. It 9 X% z0 T+ O! u7 x$ Kconsists of a series of six planning and execution documents: 10 are the 3 }! _. Y: Z4 _& `2 x" P7 \* aProgram 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 Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. 2 I, t, e) g; Z% m" x: l: j# g, GUEWR Upgrade Early Warning Radar. 3 w6 v/ q6 `9 @UF4 Uranium tetra fluoride. ( M8 R! N+ {6 RUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 2 b4 j9 } K! DUFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. 6 ]6 \* H1 M* N# N8 gUGT Under Ground Test. UHF Ultra High Frequency. . Z- C, Y6 d7 O1 `0 I' _UIC Unit Identification Code. UIN User Interaction Node. - X" d9 |' V/ Z6 k* K8 a' _UKAS (1) UK Architecture Study (2) UK Associate Studies. ) C' O6 T, t' x3 r' ]9 X( Z+ AUKEADTB UK Extended Air Defense Test Bed. ) y' L) b" d" T3 ?) e4 ], IUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. 2 [! c$ d1 E- N& P7 DULSA Ultra Low Sidebobe Antenna. 0 D2 X5 H, D% E0 l8 i5 ?4 G% DULTDS Unit Level Tactical Data Switch (SINCGARS term). ! p& s2 E$ N' U4 A. b, ]3 d; eUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet + \6 M* Q6 |+ N, ~+ n5 h. y# E(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 3 y/ C8 P& b9 t! n$ dUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. / t5 e0 s$ w1 z ^. {Unconventional " o# ? L7 B+ rWarfare 7 a& ~* L: `5 X: }" {* y3 {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 1 f2 d# L. h, T) D9 Yand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. 9 U8 Z. Y, h J8 J! x4 g' c: W2 oUnified Action Armed Forces 8 B$ u+ H% o3 RA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. % h+ E' Y- u- [ S" g$ L% [/ aUnified Command A command with a broad continuing mission under a single commander and 8 K! c* u- A" Bcomposed of significant assigned components of two or more Services, and . l _% v# }9 I' O1 Nwhich is established and so designated by the President, through the Secretary , w1 X8 n* { R- bof Defense with the advice and assistance of the Joint Chiefs of Staff. * J( k2 G1 u4 vMDA GLOSSARY, VER. 4.0 U , _( V: r& s# C/ n* m! \311 UNISYS UNISYS Corporation. United States : Z5 @& n9 x/ b- O, U+ p5 lArmy 9 \! H3 N. Q0 d5 i' d; N) G5 XSpace Command - \1 N5 v# d) q! o" w(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 6 i# j; v/ ~4 v' I6 [" S% rUnited States Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile ( y: |$ m6 [! t$ x) k- T+ [7 R6 t6 _defense. Located in Colorado Springs, CO. 3 p- Y% m% P) h; F. M9 k2 i0 s, IUnited States Strategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. * j" ]' s% b+ Q$ Y) O9 CUnited States + K2 u$ S5 e+ i" N% k7 K1 BTransportation $ c# u L: h# W9 R ?Command $ h6 L+ H. A3 c; h(USTRANSCOM) : e+ w- Q- a0 Z: Y7 f: kThe DoD unified command responsible for providing air, land, and sea 6 D5 i) F4 z2 ?; y' H* Q) @transportation for the Department of Defense, both in time of peace and time of % o& `/ a4 f+ r x5 g( M0 {8 w* gwar. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as + h5 Q' m7 c/ Y6 Jneeded to support the deployment, employment, and sustainment of U.S. forces 7 t/ t L3 C2 X1 Q4 l! y) Ion a global basis, as directed by the Secretary of Defense. Located at Scott / J- z: y$ `, f$ x/ H! [5 qAFB, IL.

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Unk Unknown. 8 c C8 i) c o+ d- J( D: qUnresolved Objects 0 N$ c D* `. u% i- F# t6 ?. nObjects so closely spaced with respect to the sensor focal plane as to be , s; J6 x _, Q/ bindistinguishable from a single object. UNSC United Nations Security Council. " P& L; g& K1 S& m- d1 O$ L+ O/ qUnSecEnergy Under Secretary of Energy. 9 X6 A" `4 w* n! Y* UUOC Usable on Code (ILS term). ' ]; J$ Q0 R! ]( Z+ U+ P# @# NUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 312 % D' G( G# k# U! nUSACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. + f% ~! C/ W6 E4 ~USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. 4 c! \, d( X. a$ q7 I. A" yUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. $ L$ r- _1 ]7 T: ZUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. 9 [0 u6 s' m( E$ Q/ W; F; m) CUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. 1 c8 l, K9 @9 |6 jUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ! N' ~; C- F: ]6 b# h7 CUSAMSIC See MSIC. ; u: f) e8 ^4 U& aUSAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. : `( I5 F3 ]" X" g# u+ K/ TUSAOTEC U.S. Army Operational Test and Evaluation Command. : e3 ^3 X \, D7 K! r3 gUSARCENT U.S. Army Forces, U.S. Central Command. " r( Z$ H2 }7 p. {# I/ [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. 8 k8 e2 j2 z% fUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 8 ~7 {6 f% ^& N6 H! }+ |' tUSATECOM U.S. Army Test and Evaluation Command. 8 @, i! Q8 q3 u3 \0 L5 JUSATRADOC U.S. Army Training and Doctrine Command. 4 R- Q# Y8 C5 B' O& O1 JUSB Upgraded SBD. ! i8 ]$ {3 j$ _% z; m+ P9 r3 s ?8 zUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U & ^; U y5 R( |$ E0 |) E( s" P313 ' ?" c3 z6 u+ G) @7 b7 Q- mUSCENTCOM United States Central Command, MacDill AFB, FL. ~# c4 y. Q; Y# SUSCG United States Coast Guard. + ~. z* f" W, N' HUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 6 E( p* _6 z4 P, C- k" ZUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. % E8 v: P7 L. o r1 K$ CUSCINCTRANS Commander in Chief, U.S. Transportation Command. . V+ s7 |+ ^- m2 ?! S, K9 [USCS U.S. Customs Services. ; i2 z/ j' A& M* I% R! c6 _USD Under Secretary of Defense. , [* J3 M" E6 hUSD(A&T) Undersecretary of Defense (Acquisition and Technology). 6 a4 b% f4 B5 o; m6 XUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ' Y* |3 N! I! l# T" p2 N4 T1 ?USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. 5 t, z# k$ D4 d% N( b5 }USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. * v. E6 ]8 q/ `+ T1 C* |USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. 4 e1 O0 Z9 M0 {: { QUser Operational Evaluation System (UOES) Prototypical system developed and tested as part of the early phases of the 1 [- n4 p) i3 Ldevelopment process. A UOES has two objectives: (1) testing, evaluation, and 2 x% r4 I+ K$ q7 D* mtraining for a system proceeding through the normal acquisition process; and (2) 2 v- i W8 B0 W- ^* B gcontingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. . I9 ]" v, \+ ^7 E! |7 J# L& ?USFJ U.S. Forces Japan. USFK U.S. Forces Korea. 7 I, f9 B5 I* Y; G+ C! l ? [USFK/CFC CSFK Combined Forces Command. ' o4 ]9 o: r) m" i9 aUSG U.S. Government. # ^8 V/ w6 K% J6 {! gUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 4 M; e5 {+ p! c/ u% _314 USLANTCOM United States Atlantic Command (Now see USACOM). * p! ?* z5 \! nUSLANTFLT U.S. Atlantic Fleet. 4 W) j8 J9 j- w ?6 T4 XUSMAR- " c1 S5 z a2 k% IFORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. : H C9 j& P0 [, l4 _USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. / d: A' C! j: a0 e" ]USNIP U.S. Naval Institute Proceedings. $ L; j. Z1 x1 }7 J! VUSNO U.S. Naval Observatory. o. O {# Y* H- o+ s; FUSNPGS U.S. Naval Post-Graduate School. + q0 W: v t1 P' ^+ TUSPACAF U.S. Air Forces, U.S. Pacific Command. 2 Q9 T0 ?4 P% E4 E, VUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. ( X3 l$ T; B& W% [7 g+ }USREPMC U.S. Representative to the Military Committee (NATO). ! t$ h6 m7 { i" |3 {9 I" K7 a: a/ cUSSC United States Space Command. $ ?% f3 x! ~& K) U0 XUSSOCOM United States Special Operations Command, Tampa, FL. + X/ F) W$ v! j* wUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. % Y E- S+ U/ g" e( m" J, n o5 E7 DUSSPACECOM See United States Space Command. 0 y1 `3 I/ @: @- T5 x0 AUSSS United States Secret Service. 1 o/ R" X2 v' Y3 M$ Q/ |2 D7 n: n4 r0 tUSSTRATCOM See United States Strategic Command. ' F$ b1 D2 E. V1 `5 G! N! wUSTA United States Telephone Association. - z$ A& g3 y) j! g+ r- iUSTRANSCOM See United States Transportation Command. 5 \! z, Z2 ?4 f6 D* ]% \UT Universal Time. 4 x9 v, Y$ {* M5 I- s# c& GUTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U ; `$ E; ]% f" A" G6 a) K7 J/ e* U315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. - A* q3 K: w0 ?) F& u/ n9 K- ~UUT Unit Under Test (ILS term). a9 i* A* [6 X' T1 hUV Ultraviolet. 0 }. d0 R: W* K) |UV Electro- 1 ]' ?. |1 |, }Optics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. 3 r6 h/ ] X% N; q& ^8 F1 P4 |UW Unconventional Warfare. 6 I N& d6 \( ?) O5 p! z' M! VMDA GLOSSARY, VER. 4.0 V 3 ?2 A: G2 e5 P% c6 i. T. R316 & v, Y3 \% E% }. f0 EV Volt. 3 }( H2 X: O' T& ~, U/ A* [V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) 6 F/ l' e9 {2 ^6 r! KV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. ; i* R7 V/ f8 @' pValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, ; L9 D' b! D* I+ e! M# V( M& Atactical situation, system design, tactics, and threat. - r4 J; C9 v2 O) D% S8 I" Y# TVAMOSC Visibility and Management of O&S Costs. 2 X% }& ?/ R5 {) n0 q8 P' lVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical 1 @( }6 \" `- J9 s/ H# k" rfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). 9 w( S+ u! [8 E" r. Y: e9 yVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. ! T) x8 ]9 u. w- z& V3 `) ?! VVDC Volts Direct Current. - ~' c: D! u8 f- `VDD Version Description Document. VDU Visual Display Unit. 3 T1 f9 {8 e" a3 [4 wVE Value Engineering. ! V5 p) K* w, w2 {/ c) \: nVECP 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, 5 q! r7 \7 r+ o( Ncalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end , G [+ a( p6 w. Z; p) T2 Fof the development process to determine whether it satisfies specified 1 i8 x: O+ J) Grequirements. . t; c4 t, U. S' k$ S5 U3 W6 xVESA Video Electronics Standards Association. 4 `1 h& J' s9 x; b8 jVFR Visual Flight Rules. - }" y+ m+ S% @7 }6 r4 n8 _VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. - F- l/ F( S! y* Y" _MDA GLOSSARY, VER. 4.0 V 317 4 i; W$ x# ~3 h4 AVIDS Vehicle Integrated Defense Software (USA term). , _* j; I$ ?$ _/ PVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and 2 E! T* |9 C( W# R9 p8 \# B; t7 Fprecision-tracked with the ANTE processor. * m: L3 M$ M2 x- L3 MVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. ; P+ Q6 j7 U {+ d' lVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range ( H" b; h# }+ W3 k1 V(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 7 b8 m9 u# c. P) ]6 Gjust be seen against the horizon’s sky in daylight. The visibility is related to the 2 B2 p$ x; p5 f/ {1 ]% P. s2 D" W# {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 ! p5 z, c; L0 | I1 K' y' ukilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. " c4 F* S; M/ k% aVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 0 C8 ?4 T9 S3 e* g# q/ ]* pVLSI Very Large Scale Integration. ! X' M- u+ J& u U0 t! sVLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. # ~; V, B, n- y: R! y' T3 TVME Versa Modular European [standards]. 5 O! y4 y5 W0 U2 B( |VMF Variable Message Format (Telecomm term). VOX Voice Actuation. ], u0 @, [; E/ o2 X+ FVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. 5 E& K6 @9 e- e5 MVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 0 {9 [+ r+ R4 P4 r& U3 ~' {VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V # _1 ~9 b2 @- g# o) o5 L d2 H318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. ' S2 s7 `9 U. P7 [( p0 Q9 JMDA GLOSSARY, VER. 4.0 W 319 W/ With. 0 J9 M: o4 o( bw/o Without. ! Y2 y3 d$ N, v8 C1 VW/TD Warning/Threat Detection. 2 ]) J1 }! @1 B& C; IWAA Wide Aperture Array. . ]% u/ t; W6 c) s& }6 f8 FWALEX Warfare Analysis Laboratory Exercise. 5 _2 Q: l K/ G3 DWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area ( H. n K$ j0 W3 B+ y& \Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more ' i# X( E9 R @6 r4 B* eopposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the 2 a3 I( V- ~- E! I2 Y y( MJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and assessments. & R% ]5 j$ l+ LWarhead 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, : W* E; W) o) h3 ^airframe, motor, or guidance section. 5 X+ k# {& F! A) WWarhead Section A completely assembled warhead including appropriate skin sections and related components. . i y9 s. u/ }! T; w! h/ gWARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its 2 v$ h1 u0 L- v6 Z& @# rarmed 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. $ H0 _0 {) }+ W4 d& ~/ j" P" s8 t6 fWARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). * R* ?4 P6 j4 r# `, @7 gWartime Reserve Modes (WARM) ' F& a* i4 Z9 ]% S8 s* mCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 9 \- G% n4 k% u3 ^1 W: ccontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if ! _1 B3 a- B3 m5 Y6 m3 C: wknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. ! p+ d3 E. M0 E$ L8 v8 DWASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective - o3 j, u2 U% d+ I2 r% V' Vin contributing to the defeat of the offense. Watch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 6 T( A" W- _% V2 kto watchfulness without raising DEFCON. 6 F2 `0 R$ n9 c) V! q. o nWATS Wide Area Telephone System. . e7 V3 B/ Q0 f, S8 T1 B0 hWAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive , ?8 s# W+ d, W( A% a1 Kcycles of a periodic wave, along a line in the direction of propagation. 7 I* ]4 p3 E8 s: F. H1 u: ~; e) cWB Wideband. WBM Weapons Battle Manager(s). 2 {7 s4 I4 X6 O- d9 _& y' BWBS See Work Breakdown Structure. 8 v" B& k f* z8 F6 P3 k6 jWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 7 k+ s% t# Z6 d; JWCS Weapons Control System. : D' g$ l2 k" N. l, EWDM Wavelength Division Multiplexon. 9 h; Z3 D7 A' K2 pWeapon Enabling The set of control functions without which defense weapons cannot be 7 h, O8 C8 g* Ulaunched.