航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 7 r; b- x4 I7 T0 W( a5 L9 [298 Theater Missile Defense Council (TMDC) & o1 V1 ?+ {, ZA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for 8 D. t! P7 `6 Q# D; [3 x% M( OAcquisition/TMD, membership includes MDA TMD Directors, representatives of & p9 ~% D/ V8 C/ K, h; ceach applicable Service Program Executive Officer, and TMD Executive Agents 8 n2 Z7 _5 H0 vand Program Managers. 7 l' Q1 B- Z$ y; dTheater High Altitude Area 1 m5 [* d) Z- q" ?5 SDefense System , l) n6 f! q6 t7 G% V' n% r) m4 d(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 2 I% q5 H, T- k4 y( I" V! V& fPATRIOT. Theater Missile j' i' b2 b: t9 p: \9 J(TM) / b: U1 ?3 c0 E! a" S1 \# a: uA 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 / `; j% ]; P( }3 X3 b1 T* Lof attacking targets in a theater. 8 j% @5 \5 h% \. `" r4 ?* wTheater Missile Defense (TMD) - j+ F( g( S, h1 LOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, * B4 _- X2 O$ ^intermediate-range, or medium-range ballistic missiles. 7 O6 H' V2 u. I& x' Y) m7 ?Theater Missile # L1 E# s+ Z5 f" i' tDefense Ground- Based Radar ( Y- u- W+ ~! Q( }& q(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 6 [6 @: Q2 c5 ]" _( b# tTHAAD Radar. Theater Missile 8 C3 f6 Q* ~% v }! I c2 B9 { z0 |Defense Initiative (TMDI) , R% y5 e; j) @6 TAn initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. ! b1 ~2 b' w' A& B2 f# aTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ' Z& B% E7 i" \8 e9 ithermal energy received per unit area at a specified distance is generally 1 U' \+ E% l" A1 Z' ~& C( texpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or + j# C( f$ s% A( r7 Dreflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. : r3 i) D. g7 W6 ^' U- [7 j: }, q# TThermal ; L- ]6 A" V3 I" x- q8 ?6 f# X, BManagement Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal 1 ~4 k9 h* w/ bRadiation / ]. s0 r' r4 |! H$ @Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. , u+ l9 n7 i/ E# V+ a# uThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, % x1 B6 J- q5 d# I0 {* D& Memitted by the nuclear weapon residue by virtue of its extremely high $ u2 c% z8 f3 q% T$ Etemperature; it also is referred to as the primary thermal radiation. It is the . N- G& h8 b- B3 G* G9 K2 {absorption of this radiation by the ambient medium, accompanied by an increase / O+ N' m% Y5 |' L1 [. e9 Sin temperature, which results in the formation of the fireball (or other heated $ A" N7 ?% ?0 L b( R. H% W4 `( Xregion) which then emits thermal radiation. (See X-Rays.) 3 ^3 H2 w7 I! t5 ~5 D. ?6 fMDA GLOSSARY, VER. 4.0 T 5 l0 O9 Q! g4 w2 z2 x5 y0 ]299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; . w1 \# E: I& a P4 Y( ^- U8 eit is a region of more or less steadily increasing temperature with height, starting / E1 H# [2 B% |3 O& Fat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at & n1 x' m. N' P! h3 xtargets whose spacing is close enough to permit the tube around the object . h! L/ z& z% T vtrajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive * L. I) E8 v- F" `' Z1 i3 u. x$ d5 hsystems and architectures. 9 t: I5 Q3 i2 BThreshold Performance capability or characteristic level in terms of a minimum acceptable # L2 }: _5 k* ]( {8 t% H! d* Lvalue (threshold) required to satisfy the mission need and a performance objective. Threshold Defense ; I" b' ]% ~* j3 ^2 x7 dA defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted 6 z* n% c: U/ W* T5 DReplicas (TREPS) 1 @% @% }0 H( gConical decoys equipped with a miniature rocket device. Generally used to : N# H7 i0 H( e9 Z- E( ~change the decoy’s optical signature to resemble that of an RV in the reentry # r1 A Q1 K- _ Uphase. # e G! O* X+ ETI (1) Technical Instruction. (2) Technology Insertion. ! U+ l. p8 A! C) S# F4 j8 ETIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. 5 A, I9 G1 U6 _(2) Tactical Information Broadcast System. : @: k" Q: m- ]( q(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 4 s9 b4 O4 h; A( p# T) Y$ t: vTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. - V* S# {! H3 t1 b8 fTier An integrated set of SDS elements that address a particular phase of the threat T- I0 E3 M, _3 G) }. P2 q4 J(e.g., boost phase). . U9 R: O/ v4 s5 L& ^Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. 7 R O9 I* z. Q. h/ v3 @4 STIIAP Telecommunications and Information Infrastructure Assistance Program. + X G$ Z. U& [9 N9 @TIL Technical Insertion Laboratory. 6 z( t9 x! ~3 y% N& q* f: nTIM Technical Interchange Meeting. & G9 K ]$ L7 BMDA GLOSSARY, VER. 4.0 T # V1 G3 d, V* E& G+ d6 `& U K300 ! x+ u" \, {3 NTime-Phased $ w1 Y$ p4 H/ q& L' L( {Force and : i; h {! a- Q4 e# aDeployment List / v8 c: L) u+ M" R# AAppendix 1 to Annex A of the operation plan. It identifies types and/or actual ' T& T# n& U: W- ^9 d8 gunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight ) T7 {8 x( a3 f3 J" V(Max) The maximum time for a booster or vehicle to perform its function from time of h* X4 _, F5 [0 \( W7 ]launch. Time on Station The time the sensor is in its operating position. Time Sensitive Targets Those target requiring immediate response because they pose (or will soon 6 J1 {! ]& _2 {1 n, \: V+ n- r2 apose) a clear and present danger to friendly forces or are highly lucrative, 4 u. j# f% t5 @! D! rfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. 7 f7 q& n+ @- l5 f( iTIMS Training Integration Management System (USAF term). 0 Q4 G2 d( @$ @5 S. [! zTIN Theater Intelligence Networks. + v; e' G2 }- G+ T: ^& xTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety ( c) m. y- e- n yTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. ' ` l1 ^8 v0 y( e) UTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) 0 C9 ^0 q" c" W5 ^TL Team Leader. 8 M8 s9 }& k2 I$ g6 l5 E2 e, jTLA Time Line Analysis. TLAM Theater land Attack Missile. $ a. u" p [; NTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. 8 t8 o" [7 E/ N6 d: |TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. $ t. w7 d/ N7 R! W. p& l3 jTMD See Theater Missile Defense. / J. M* z) H/ e+ x, X9 I3 k! `TMD C2 Theater Missile Defense Command and Control. * v' V' ?# o; r' b3 IMDA GLOSSARY, VER. 4.0 T 301 3 l: B6 R; w: \9 \TMD C 3 ( N: F( Y! p/ iI Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. ! H. s' t- t V1 j7 b5 ^6 h1 tTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). " Q& B/ {% A LTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. - R! S: F; g. e7 B* I) fTMDAS Theater Missile Defense Architecture Study. ' I- k, g! [# L1 k9 i* N8 aTMDC Theater Missile Defense Council. . ^" _$ @" o# u* s v5 O" `TMDE Test Measurement and Diagnostic Equipment (ILS term). ' I; d+ q$ i" D" `) eTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. # M d# u/ c% }+ J) f; x2 bTMP Technical Manual Plan (ILS term). 2 G/ C4 C! p! W/ F3 E- [' T0 N J) YTMPCU Tomahawk Theater Mission Planning Center Upgrade. 3 \5 v$ D; e* vTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. ' _6 q9 @5 G& B9 [& X# YTNF Theater Nuclear Forces [Treaty term]. : {) j: k4 T: K# c2 NTNT Trinitrotoluene. ; W7 Y) F l/ F1 i8 j, d2 w1 E9 X" DTNW Theater Nuclear Weapon. ' {. t8 D) S9 bTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. / w; j% o+ j0 b* x) ?% P% X/ B2 sTOE Table of Organization and Equipment. TOF Time of Flight. 0 L; E! Z2 B1 F g8 u; UTOI Track of Interest. TOIA Task Order Impact Analysis. ' {. a9 q9 _& K4 K% S. CTolerance The ability of a system to provide continuity of operation under various abnormal conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. / @2 g+ X4 ^* Y* V/ l& mMDA GLOSSARY, VER. 4.0 T 302 * c' K1 A( }+ _' x3 P! M; r% x8 q2 ZTOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). & T- j8 T: {: k- D t: v* u6 kTOO Target of Opportunity. . c2 u/ Z9 T' q9 `8 BTOOL Target of Opportunity Launch. 2 K ]$ H# g# d, G& bTOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a . B9 u) j9 Q: ?( r* H5 Ohierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down Design 1 e* `4 y: p' {% yThe process of designing a system by identifying its major components, * p4 g2 p" P$ Kdecomposing them into their lower level components, and iterating until the ( H& |: Y3 J, m+ tdesired level of detail is achieved. . Y6 L' E: {. r# |Top-Down Testing 4 q% L5 _ L$ v% _( V) N7 ^The process of checking out hierarchically organized programs, progressively, ( E0 [/ x6 ~% i" l7 ?4 ]from top to bottom, using simulation of lower level components. 7 K5 b3 W3 `) Y& |) ^TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) 8 \1 l" ^8 U% F" v( {% W( \A DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality ! s+ r7 z7 P5 G7 j" eManagement ) C. y, ?& Q0 x8 @, f(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. ' r# W9 K3 M6 X( y, ?9 ?, wTOTS Target Oriented Tracking System 5 {+ `& U0 `4 e; k: [9 S. L: DTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or ! |% j' o$ W: l epossessed by a chemical substance not of biological origin. 6 E$ A" x7 c3 c: RTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ; k) n; N* i. ]1 u* }# STPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). & X" I2 t4 \7 e. tTPDR Total Processing Data Rate (TelComm/Computer term). 3 S0 J5 D! W, ?# b$ c# uMDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. 4 g' j) J/ N1 d8 xTPEM Technology Program Element Manager (SDIO/MDA term). " U% J' N* [! `( V: I% c0 }! fTPFDD Time-Phased Force Deployment Data. 3 I$ D8 ?8 {1 H* o: KTPFDDL Time-Phased Force Deployment Data List. & j5 O0 f* z8 f! WTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office 4 b% t# M; a$ h: i; N3 _TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target $ a& i k3 V9 p* s. M7 O5 fPerformance Report. % `6 \4 O8 E+ H' B4 i! i aTPS Thermal Protection System. . o5 I% C6 O9 S/ X9 ?* ^' FTPT Theater Planning Tool. ' o) A- `" \. eTPWG Test Planning Working Group. (U.S. Air Force) - B/ T; n1 j' q; d6 [( r* [TQM Total Quality Management. 9 e& a( ^8 N* Y# oTraceability (1) The characteristic of software systems or designs or architectures or - c: r. N: i5 e2 a, r1 Qdomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. 6 W) V) M2 N' x8 L) y$ d4 V1 i(2) The degree to which a relationship can be established between two or ( Q9 T, b, m( c* ]& Zmore products having a predecessor-successor or master-subordinate ! v; I+ P7 _+ J6 m4 F1 a) V. b; @3 {relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. H C" ~4 A. H0 C n- I1 b# s(2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating 1 ~9 f4 {" }6 b1 a8 linstrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the * c& V6 d4 m& t/ O9 M2 Q4 pearth. 2 {- t% V1 |5 DTrack + w( ?9 @" |0 E. Q7 \& ^) I2 {/ U# kAssessment 9 B9 N, F! P2 E. v) M* N3 c; MThe Track Assessment looks for anomalies in an object’s track data. An anomaly 7 q8 k5 [" v `) E: E2 iin the track may indicate a hit. Track, Birth to * i- ]: `; w- e* b8 o1 _3 @Death The maintenance of an associated track through all phases of flight (i.e., boost # }! D$ B0 Q, E/ ^5 E1 V# o1 tto reentry). % _9 _3 v, z! G9 c+ ~$ d5 S* L: R& RTrack Correlation The combining of track information for identification purposes, using all available data. Track Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). & T! x- a* D# r/ EMDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of the above. Track File-Track History A set of individual track reports on a particular object, which taken together ! |+ t% R& R0 I* sproduce 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 9 z1 T8 ]( q3 U$ I- [0 jby filtering. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and * M" z' d( t! p# m# ]! f: I5 ePointing Once a target is detected, it must be followed or “tracked”. When the target is , h& s2 G0 n8 _4 |6 esuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. : @* Q. B4 D; ~2 w8 C; fTracking Range (Max) - S; y" s! W, N: I3 {% M! B& kThe maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector 6 f6 Y: K$ m' L2 m4 ]( [7 Zof an object. The process typically requires observation from a number of 8 g* }8 X8 i: A0 ~2 A) b7 Rframes. Track Production 1 @7 h. Y7 k8 @9 |+ X. RArea 1 d9 e8 ]) x9 T6 \- B7 e& [/ ?+ CAn area in which tracks are produced by one radar station. ) [: L" W: }7 \$ D x. H/ z) qTrack Symbology Symbols used to display tracks on a data console or other display device. 6 {9 V$ s5 f, m% r; iTrack Telling The process of communicating air surveillance and tactical data information ! g2 m+ q4 z1 W0 d# U7 Abetween command and control systems or between facilities within the systems. 5 J" @/ B" |0 ]+ p; c" {Telling may be classified into the following types: back tell; cross tell; forward tell; % E. t( Q( Q+ P2 g$ t7 n+ hlateral 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 3 l2 W, l: l" O% V" p& dMaximum / c }, e6 E; q' T: f" OThe maximum number of objects per unit time which the sensor system can - |/ ~4 y! @6 n& o* S& rmaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. 3 P* ~% W2 w0 E! ^ w' J3 rTrain Threat geometry with objects placed in a line (string) along the velocity vector of 0 K7 B- V" W2 I j1 c. v1 yreentry. $ b ?' d: [6 S; [5 J# `Trajectory The curve described by an object moving through space. % v% W9 }- R- p! E9 S7 v; P8 A. nTrajectory D+ ]# c( M" BHistories ' ]- S2 H& m: E- e. cTrajectory information on targets recorded over a period of time. " e% n* C3 i" q+ c B' iTRAK A data base management system (not an acronym). . h. x, Y+ E: Z! j) fTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 , j; E' n+ R1 E( a* J. LTRANSCOM [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. % T( d+ ?+ F) r) C$ ~6 j5 RTransition to Production # B0 y& S2 {5 I0 O; M2 N% f$ UA risk reduction process during which the program shifts (passes) from 2 C! F# p) I/ f! X8 adevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission d. q& \ c5 ISecurity (TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. 7 G9 { F* e- V9 \Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. ; x; y+ w5 N) e0 ~3 a9 N- l0 v F6 qTRAP Tactical Receiver and Related Applications. * ]1 }$ k- l* x; j4 q/ t' DTrap Door A hidden software or hardware mechanism that permits system security 6 `; p+ m2 h. a+ W3 {. k& Jmechanisms to be circumvented. # G( O' [% D3 l0 J) a% GTraveling Wave ' }/ L* U8 |7 P+ o8 q9 oTube (TWT) An electronic tube in which a stream of electrons interact continuously or , E4 R0 s9 t& k; @2 @8 F' \repeatedly with a guided electromagnetic wave moving substantially in + s5 a- H* V8 T7 H. k/ gsynchronism 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 : S' M7 _3 R- |' jthe microwave region. + S0 G4 O- a! o7 YTraverse (1) To turn a weapon to the right or left on its mount. 0 ` T9 S4 ?" b9 P(2) A method of surveying in which lengths and directions of lines between points on the earth are obtained by or from field measurements, and 3 M: Y3 I5 D3 n( g& r: g% Mused 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. - N: l' B9 L- XTRB Tactical Review Board. : B: ?2 k) A& E- m5 u6 ?, {TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). & P$ ~! X4 k7 rTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 " |' l( ~- t. g3 g3 a2 BTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. & P* Z% g: n" A! u% e& MTRIDENT Class of US ballistic missile submarines (USN term). 3 x* j* O* l% q, O* I: [8 RTRIDENT I (C-4) US SLBM (USN term). - q+ Y3 h7 v1 n1 y+ H0 j( bTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. ( y0 o3 q8 ^7 a; Z8 R. gTRM Technical Reference Model. TRMP Test Resources Management Plan. , E: R- N1 d- D) h( Q/ l6 j- VTRN (1) Task Requirements Notice. (2) Test Requirements Notification. : t; s/ h: H8 V, m9 y/ h& STrojan 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 9 F: |3 P) k9 w+ ?performance. TROPO Tropospheric Scatter. & B* t5 V) d. `* d2 fTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of - J# n4 R; r4 s+ [- a' ?about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the " \' m U4 l1 l1 T, \tropics. (See Stratosphere, Troposphere.) ; P1 w4 A* u' h' |4 eTroposphere 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 7 S. b( G) S+ }6 ?/ S' Y2 Faltitude, clouds form, convection is active, and mixing is continuous and more or less complete. ' P, m; X, y0 w6 e' NTropospheric % U3 i v9 W; K1 O/ yScatter 4 R- v: T1 c `$ p* m% o2 E# Z, kThe 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. (3) Technology Readiness Program (pre-acquisition program status). 8 W8 x2 i" Q. q* C(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. 9 V$ }% ?' B! y$ y" F# lTRR Test Readiness Review. Trusted Computer System/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. / T2 q- P( R2 `; K& w3 @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 / N5 Z3 C: W9 |# c4 j. n0 C- A- \of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. . ~& I! Q5 G) a n' \TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. / \8 ^0 E9 J+ b( ^: d( iTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. ' I. W; ?7 U) |/ f- MTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. ; U, d% F. v3 aTsIAM Moscow’s Central Institute of Aviation Motors. 7 c! ]9 }/ u8 sTSM TRADOC System Manager. 2 o* M% A" M; O/ kTSMA Theater of Strategic Military Action. 6 K8 M" g" E3 E, ?+ {) n, c% ]6 D) VTSP Target Support Plan. TSPI Time, Space, Position Information. 3 v0 i5 K4 A7 m1 ^TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. 5 V! M' m$ G$ t, s5 ^TSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). " z2 U7 U; k4 |1 L$ w" h: jTTA Total Time Accounting. TTBM Terminal Tier Battle Manager. R2 {; |. [9 UTTBT Threshold Test Ban Treaty. - Z; H! J* \" {+ j! Y+ ITTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, % T- j( G9 g$ ~7 `$ ewhich have significant potential for improving testing. 6 w6 d9 {' q! x: m2 }# oTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 7 W# \7 Y8 {5 ~: m2 }9 E( ETTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. 9 m* x0 q8 g9 |9 u( K9 s( m" P! DTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T $ b: m4 M+ j' i) _3 ]) Q308 ( g/ x7 Y3 i, GTTV Technology Test Vehicle. TTY Teletype. X: l( ?; K* I" OTUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). : T( {- B( v$ wTVC Thrust Vector Control. TVE Technology Validation Experiment. " U$ Z/ |* \7 t( PTVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. 0 ~0 i4 D# H" }TW/AA See Tactical Warning/Attack Assessment. & Y( D$ K( V' y% r% F1 YTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. * U6 z! P" |2 V! B0 S6 m2 ^, b: ETWS TOMAHAWK Weapons System (USN term). 2 M& `- W$ P* Z8 L `( d2 ATWT Traveling Wave Tube. . ?8 c; J4 t! G7 ^TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. 0 ^" j* ^9 X) \- A7 L J, y$ hType A - System Specification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - - _# a9 j, A7 @" hDevelopment . w4 J- V9 t2 \" p4 O* q% d& dSpecification States all necessary requirements in terms of performance. Essential physical ! G7 ]: p1 s/ o: bconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. 8 k8 d6 {3 o$ r8 X+ BType C - Product Specification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of 9 \5 S3 k8 e1 E) c: N( S6 k- w3 Qprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. 5 ?% R: j- j' m( w4 tTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 309 U Uranium. 4 Z- E9 m2 N JU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. * {" [- W, [. \2 F4 dU.S. (US) United States. U.S. West U.S. West Incorporated. % j% }! ^- F, q' s$ {U.S.S.R. Union of Soviet Socialist Republics. ( y4 E: S% G) i6 m! J4 fUA User Assessment (NMD BMC3 term). ! k( z3 h, N* O; lUAE United Arab Emirates. * P" L# F( U3 k% |! t6 d+ W* |7 Q4 i7 c: uUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. * K3 M6 G& ]! U- K e# d; h! oUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. * p: g+ O/ n- A+ ?# Q6 JUDMH 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 % v* O2 W- l2 e* L0 j" ^& acapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the 2 @- X9 O7 f+ {6 [8 P$ yProgram Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 2 ^+ {5 w$ W& w, eOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the & `9 e4 z4 z. d8 E7 q2 I$ _Range Commanders Council (RCC).

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UE Unit Equipment. & W6 K8 s- O: _! N0 IUEME Unified Electro-Magnetic Effects. 2 _3 E* C: T, q7 bUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 " ~5 @9 @. U Z7 ^UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. : N' v+ d3 k9 U/ x P, I( a U1 dUFP Unit Flyaway Price. 4 t8 k& Z* P* ]# H1 ?UGF Underground Facility. E1 P% N- G& e4 ^( w" y5 wUGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. ; ~+ M3 i9 H) xUIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. $ f |9 E5 Z) B% gUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. 6 ]( o/ |0 }$ M! qULSA Ultra Low Sidebobe Antenna. ; \* F7 E$ \( `6 P7 T& jULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet % w( _+ Q" U. s# ]& p* v, v2 I' X(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). / m0 q: D* j/ hUNAAF Unified Action Armed Forces. UNC United Nations Command. % Z( N& H2 z) B \. GUnconventional 1 ]& i: H9 \6 p+ yWarfare 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 and escape, subversion, sabotage, and other operations of a low visibility, ) S7 L2 c- _: U$ w G5 Xcovert, or clandestine nature. 4 Q3 U! }8 k, Z( Y2 @- FUnified Action Armed Forces 3 w" I7 w! f7 y- [" h5 ~A publication setting forth the principles, doctrines, and functions governing the % J+ j& o; X% G: Y/ t% I8 l9 nactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. % t7 `6 l q4 ^- f' N1 TUnified Command A command with a broad continuing mission under a single commander and + o- Y1 x! A( @) n" `% g& o5 [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. MDA GLOSSARY, VER. 4.0 U 311 ( a5 |, P+ W& f" D3 F' r! P/ wUNISYS UNISYS Corporation. 1 e, @- }! Z, YUnited States Army & M/ t1 N+ S7 r5 U! zSpace Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 3 Q) ?- G% k7 w/ CUnited States Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile % U; U4 j: [4 W+ Q' Zdefense. Located in Colorado Springs, CO. ' p9 Z U7 X! zUnited States 2 p* ^( H* _% m0 U5 yStrategic / H# L+ l2 ?2 `: MCommand (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic / r* U. v* }, U9 t! |; ?9 H. vmissile offensive combat strikes. Located at Offutt AFB, NE. ! Q1 V% {4 [3 |United States + P9 j0 e* Q% s [" C- xTransportation Command ; N) h: o& y5 j) o5 T(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea ! {* k3 e' b% z, [3 Mtransportation for the Department of Defense, both in time of peace and time of 2 {" ~* l! b. Z9 l& `; Y) Ywar. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. $ b+ D1 U' S8 [1 x' M' N% a' qUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be ) d$ r8 a7 n& M7 y1 T' z8 u* {+ z! Sindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. 6 i6 D9 X+ z1 K2 eUOC Usable on Code (ILS term). 0 ^, Z5 N$ t2 X1 qUOES See User Operational Evaluation System. / A. e9 G: ~7 A8 c4 tUPD Unconventional Passive Discrimination. r( L0 F; b, w8 ?, EUPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). ' A: e% z' C5 \! S8 i7 k7 EURT Upgraded RTD. US/UK United States/United Kingdom. " q) M8 f7 F: D) v. u# k! hUSA (1) United States Army. (2) Under Secretary of the Army. l. K3 c9 @1 h4 yUSAADASCH U.S. Army Air Defense Artillery School. $ _2 h K' z3 W' X7 NUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. 7 P; g4 v1 D1 D9 PUSAF/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 % }! G. }# j4 pSystems Command /SSD. 5 F) k- r: p+ a! x- n( ]3 m% tUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 8 i& F+ @' R. pUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ; [; l) b7 P, q7 ~3 {2 M3 v! QUSAMSIC See MSIC. ( f- ~4 H6 s7 I( {# e/ q* vUSAMSAA U.S. Army Materiel Systems Analysis Activity. ! L5 `, ~8 h: e+ v4 N( j. pUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. & v" }! s& k U: LUSAREUR U.S. Army Forces, U.S. European Command. 6 m" Y$ L- ?( O, N$ }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). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. % Y9 F' y9 I. M9 U. ?, _USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. j3 N2 _2 h9 d4 \7 _$ Z2 l- U0 oUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 8 b9 e$ {) l0 I& A; ~4 t7 x313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 2 t5 u9 y. J9 N" `+ `3 A' C, xUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. 5 `! D, E& f0 O* z9 _" t+ @2 ^3 f0 EUSCINCPAC Commander-in-Chief, U.S. Pacific Command. $ T! `. u$ N5 a# {/ L# ^0 f& S1 lUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. ; F' K5 X9 V" x1 u$ O/ h2 P4 PUSCS U.S. Customs Services. u# Y# S- K5 @: p$ {+ _USD Under Secretary of Defense. / ?/ {- W! B$ H: [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. ( q' ]6 j+ z1 U* m6 \0 ]- ~USDA United States Department of Agriculture. " X5 f$ g7 u: i3 tUSDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. / A, C0 C. ]5 U3 b5 oUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine 3 D$ X; X% i# a9 n; m(hardware) or program (software) that is compatible with a person's ability to ; O. \( l- N6 h5 }5 }operate it successfully and easily. User Operational + t1 ^) f0 F' ?; _, E# R+ B5 fEvaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ' ~. {) X% J v3 ]! B% Jtraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the 6 t5 y( p8 j$ Z, Onormal acquisition cycle. % s+ U. R# Y7 I4 wUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ; e* {2 s' W% K" J) rUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. 9 b6 v/ P2 J8 J4 K2 M# V. RUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 3 f) i" y5 H$ i: @1 e: c+ B: v314 5 U$ Z: f% v/ B" N" gUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT 6 W. Q2 G( _5 D% a0 e% \4 iU.S. Marine Component, U.S. Central Command. : q" O* Q' a' C1 kUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 8 @+ H4 T7 _+ {3 d( YUSMAR-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. - |+ p) _% J' T7 t7 ?USN United States Navy. ) L# T. m) M3 m9 WUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. 2 ]0 B+ b! `5 d! M9 F7 cUSNO U.S. Naval Observatory. 0 u3 r# p9 Q, }/ w! E$ iUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. . G" M' E1 H0 e8 a# a* XUSPACFLT US Pacific Fleet. 9 w3 y! b1 m( h4 W+ f; WUSPACOM 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. USSPACECOM See United States Space Command. USSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. : B6 T$ D' S$ U: B7 wUSTRANSCOM See United States Transportation Command. UT Universal Time. 8 P7 T% e" I, PUTC Unit Type Code. 0 C- H7 ~: {, e* h- k8 s# y$ g* ]MDA GLOSSARY, VER. 4.0 U 315 : h1 `& Z& Y* d, ~ |' d# g9 oUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). ' _& F6 {: x) Z; _3 ?: mUV Ultraviolet. UV Electro- + `) X8 }: Q( X9 f% E( U* nOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 0 C1 L1 r! v- V3 cMDA GLOSSARY, VER. 4.0 V 316 , Y, e' D3 R+ e. ]) U5 }2 H# [: pV Volt. V&H Vulnerability and Hardening. $ G7 f3 N. M H$ bV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real & |- N5 @* L) V/ w& ]# Iworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. ) e' ^! }, [- U1 M& A4 n, fVAR 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 factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. " k0 G" |! a2 @+ P: u. |VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. # Y8 Y; H/ R$ }' A) K8 o/ C9 r1 y- ]VCRM Verification Cross Reference Matrix. ' ?" o2 Y7 J; T1 u ZVCS Voice Communications System. 5 m( Z# ~: G% L% RVDC Volts Direct Current. VDD Version Description Document. 2 }& V& Q6 K" j6 J% H7 n2 s" F0 ^VDU Visual Display Unit. VE Value Engineering. - G& C! P/ H5 d& ^1 M& K; ^VECP Value Engineering Change Proposal. 2 z' s+ P0 T6 WVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, . v# w. W0 E/ g9 h/ q5 h7 O4 jcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 3 _9 O. i1 E1 C3 W$ pof the development process to determine whether it satisfies specified + h; c6 ]: C0 Frequirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. 3 ^! i) R/ p/ a; j5 MVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 $ d/ _% N+ M* q) h. iVIDS Vehicle Integrated Defense Software (USA term). $ A3 P) s1 K2 i% h" T: F2 `2 BVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 ( c S+ y& `" qOperation Per Second (OPS), using a mixture of experimental three-dimensional 3 D; X( w' G j% Icircuitry 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 precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. 3 Q' ]( T8 b1 b3 u9 tVIS/UV Visible/Ultraviolet. ! O- @! D% h4 s4 E- v' iVisibility Range (or Visibility) 5 x' D8 _) B+ E" W' w5 {The horizontal distance (in kilometers or miles) at which a large dark object can 9 W/ M+ p, }) Ujust 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 4 v. ]# `6 ]! y7 g6 Rexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze 3 w9 o1 g1 T) h' tor fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. 8 ^3 O$ h7 h- WVLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. ( M0 C# h( Q. O0 |VRI Vanguard Research, Inc., Fairfax, VA. % o6 [ I' C8 @/ CVTC Video Teleconference. 9 g7 K9 H9 W' @$ YVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. ( X5 I5 D. Z; F( q- O# n! f2 qMDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. - L1 K& b8 ]/ _0 [# s! Y' \6 HVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. & {% \8 s) w9 o7 cVVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 W/ With. w/o Without. W/TD Warning/Threat Detection. * J% T# G( h/ f7 d. ^3 j) [* zWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. * l* i! L, t1 b2 T! HWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. `6 w4 {+ f+ l# X2 }8 e* wWAN Wide Area Network (Telecomm/Computer term). * O2 l) s/ S0 o3 f, sWAP Wide Azimuth Probe. - v! i" u% d) p6 V. GWar Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual ! w/ Y7 E$ x T5 G G3 Wor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the ' |% m' v/ i0 R+ M/ @8 B+ g) S. y1 UJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and : |4 s! E4 L; z$ [. p$ e `' Dassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. ) h4 z+ d- \7 S$ b# g: y6 `Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. 6 [. p) T- _3 V0 yWarning of Attack A warning to national policymakers that an adversary is not only preparing its : l R/ d; K7 Yarmed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). " Q2 V q: Z( s: `+ XWartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing 4 d# h) M! Z& D# i M8 ocommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for 0 i: X3 N( }- q4 g2 @) g% W' jwartime or emergency use and seldom, if ever, applied or intercepted prior to : v5 m+ ?) M* H# j" Nsuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 1 N/ F4 `4 m8 m3 {* f2 ?; J4 HWASHDC Washington, District of Columbia. ; q9 N1 D2 i; F- ?% wWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. Watch Condition / ?+ U3 X6 b8 W& r(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 9 ~# ^5 t8 O# {8 a. d/ W& k# ^1 |to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. + v' c, w7 z) r9 OWavelength 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). WBS See Work Breakdown Structure. / F1 S$ b; b) o. Z% }1 t1 kWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). 6 ~5 y, U/ {8 \0 a0 L! M) P7 zWCP (1) Weapon Control Processor. (2) Weapon Control Platform. 8 W5 i7 n+ F0 ?# t; I2 hWCS Weapons Control System. [# x* n: ]3 m( t, c' v8 Y1 nWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be 2 l% H0 { T9 H! J- L7 L1 @! Alaunched.