航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T . e- b0 _$ \, F298 ( B2 W) [/ w* `$ f/ G: UTheater Missile Defense Council (TMDC) A consultative body for considering TMD family of systems planning and * ^8 f# x$ Y2 t8 l6 h$ m4 U2 oprogramming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High Altitude Area : M/ O) |: Z. a* W2 D1 G! HDefense System ! W' M4 h* s4 u- n(THAAD) ) R7 U- e+ e, J; {. D8 w/ @* EA ground-based, air transportable interceptor system that will provide wide area & J" |7 T# p" l: W7 pdefense capability by intercepting longer-range missiles at higher altitudes and at * A, P- _& M9 I" y/ N+ M9 zgreater distances. Will provide an overlay or upper tier to point defenses such as , `% M& i* e0 _4 _/ |% t) IPATRIOT. Theater Missile (TM) 9 ~/ }4 e4 _" E7 bA 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 of attacking targets in a theater. & V- U2 I, C' UTheater Missile Defense (TMD) ; H8 ]& [' Q4 S# J# o3 COBSOLETE. The strategies and tactics employed to defend a geographical area * z6 T2 N6 y" e- {$ n* noutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile ( n: G3 }* }8 ?9 S! r; b( {' \Defense Ground- % D7 p+ G$ @! p" F+ q9 U" wBased Radar " |# E& V9 P* B$ d' {(TMD-GBR) ( K* r+ ^1 m5 [' ]% TA ground-based, air transportable sensor that provides search, tracking and - O' b9 H& W9 t! x/ Rdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. - K. \# E0 Z* uTheater Missile Defense Initiative / d1 q& W, z- g: b$ [; x(TMDI) * i7 t/ @2 C1 x2 @1 p9 u9 fAn 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 - V2 _: G8 l0 _6 N/ I2 L5 W" g7 [(Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. * x: \* A9 C# x# PThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. % v i" o7 o' Y x# _Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. b0 q5 ^1 c: b% c1 `* ^( MThermal ' P8 x$ {7 ]+ MManagement : h5 |8 ^+ m* j" }Technologies/techniques associated with the control and management of 1 z2 v) W. r$ ~1 bthermal energy, its generation, dissipation, and recovery. 0 w0 m! N: w" o g. q4 e0 ]- s0 N4 ^Thermal 3 T$ g6 ]" E$ m d1 F# \Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the : E' s" q) \ C" H# gfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the / |- J5 I* H& i1 ]0 H% Q$ [$ R+ Zabsorption 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.) MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; ! q' S" |: [: w9 }5 sit is a region of more or less steadily increasing temperature with height, starting 1 R( Y& l# l! Uat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat , `' \. |. `7 V6 P1 w2 P! qCharacterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor : {/ g2 C! H, G2 k6 R) Y# d(Threat Tube) 3 d; \" }( ^ s' ^" Z+ \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 & ]0 \. _. J2 r+ K$ ytrajectories to be represented by a single trajectory in battle management computation. / r$ I8 x! V+ g6 L7 B1 F+ hThreat Scenario A hypothetical example of the employment of threat systems against ballistic ) |: k& O K3 I9 f) K# omissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. Threshold Defense ; t* Y- ?3 c- s# b9 t4 vA 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 - G1 M6 M! S X0 ]5 x/ vReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to ' t( z4 p. c) W$ ?6 {/ e ichange the decoy’s optical signature to resemble that of an RV in the reentry 1 |1 {: P, L7 U/ [phase. TI (1) Technical Instruction. (2) Technology Insertion. ' }- A5 Q+ u8 H$ \# nTIARA Tactical Intelligence and Related Activities. / C! ?. P; i1 W' K: U+ _3 NTIBS (1) Theater Information Broadcast Service. , h, `' j3 ^5 x. |6 ?# W(2) Tactical Information Broadcast System. , p% [* G3 j P- `% w, G9 }(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. ( \" Q) Z( z* ] d2 Y4 cTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. / w& O: B) `# _% p1 T( _0 xTier 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. ( C; J5 J1 r0 I+ _0 g! oTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. 8 \3 ]" F! T: M0 L1 g: t/ M; OTIL Technical Insertion Laboratory. 9 m. t0 V& o( t9 f+ M, e6 sTIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 7 M/ l8 Q9 m0 z1 \( g' [300 ! t g6 v2 d- j" l* GTime-Phased Force and 6 u$ P6 h- V7 W! W4 UDeployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of S1 `7 L2 u5 ^! G/ v9 vdebarkation or ocean area. Time of Flight ( S' q5 Q% m/ @# C3 z4 [0 B" `, V(Max) . K' N( Y; I* x$ P" j3 @$ x3 C& gThe maximum time for a booster or vehicle to perform its function from time of 5 I- o$ d* t& L- {" dlaunch. Time on Station The time the sensor is in its operating position. Time Sensitive 5 o& @. Q. J5 n1 f0 b! lTargets # X7 d, M# v' j J$ `# |: v0 k4 |2 eThose target requiring immediate response because they pose (or will soon 2 p- @1 t; W. s0 r0 P: |: ipose) a clear and present danger to friendly forces or are highly lucrative, ( j! o7 p$ f8 M3 }- y* }fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. Z6 C+ n& D9 N7 OTIMS Training Integration Management System (USAF term). . {8 e$ T; S4 J9 I7 f9 ]) LTIN Theater Intelligence Networks. 3 v& ^" \7 u# R. g' C N- l, RTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) ) P7 u" [. M8 _$ [5 W8 e) qTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. & v5 S; X6 p! \' F+ N* {7 @TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. W7 l+ W, V+ A# Q* @/ W$ j9 [TLV Target Launch Vehicle. TLX Teletype. - F- k/ K# H2 D( f9 vTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army . i$ q) P7 v( B" ~5 Fterm). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. : d1 V# s7 q8 i! Q- SMDA GLOSSARY, VER. 4.0 T 301 4 i4 X' h! K2 l; I3 U# kTMD C 3 I Those assets that provide connectivity between and among Theater Ballistic 1 ]$ u- Q5 R, gMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). % p0 c8 U, R, T0 VTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 7 O g9 D( K/ F2 kTMD IA Theater Missile Interoperability Architecture. , j) Y) g. L6 z) T0 u h2 Y5 }TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. 0 j9 Q4 [4 c6 T' ?. [$ DTMDE Test Measurement and Diagnostic Equipment (ILS term). % q" F# K( c2 x( d& H% q% ?8 yTMDI See Theater Missile Defense Initiative. - r3 V; ^% y( q" ~* Z0 wTMDSE Theater Missile Defense System Exerciser. / N$ l& V1 H& sTMMM TOMAHAWK Multi-Mission Missile. 0 y; Y% B* K: b* r1 F+ [TMP Technical Manual Plan (ILS term). ' C8 A P1 M( G) S5 ?' `TMPCU Tomahawk Theater Mission Planning Center Upgrade. 9 p5 _* c0 Q* E2 ~- N' HTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. 9 X4 L: `9 ~7 \TNT Trinitrotoluene. TNW Theater Nuclear Weapon. ' {8 O ]! t* w- Q# n/ KTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. : f. y) V4 A: y YTOAM Tactical Air Operations Module. TOC Tactical Operations Center. ) T; n( k7 D c* p" e$ LTOE Table of Organization and Equipment. TOF Time of Flight. ) [5 N3 v, C9 Q/ Q; i9 A7 T3 TTOI Track of Interest. 0 O# c( [$ X# |- u# g, ]TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal 7 [! a9 ?* T' N4 l) `* i& ?conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T j/ c) ?. e" e% h1 V302 ; [; w% r# h S8 fTOMD Task Radar Management Details. ; i8 v, D$ l& L+ F3 u$ A' u$ ` e; kTOMP Task Order Management Plan. 1 K" n' `! l. @* }" ^/ L+ x& bTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. * e Z3 q" C3 }5 C- i* ^" nTOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down 2 p/ V3 D9 p7 V) p; y: U cDesign ! I) S9 O5 H! P9 N5 I- sThe process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. Top-Down ' M( }! N% F0 Y, y6 c& XTesting ' I. \) ?& l9 X# V3 ^6 WThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. 7 W4 d2 A5 v( G1 s7 BTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power f! ]" ~' S" c/ Mtechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. 5 T; e9 a. b& R- mTOT Time on Target Total Obligation Authority (TOA) 8 B! j1 W6 H: x* X8 B+ D; ~/ N% eA DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality # T9 d6 A" f( u" U& {6 fManagement + M- M( a& [% M(TQM) , p4 _1 [+ e6 hA management philosophy committed to a focus on continuous improvement to 9 z+ Y# d* N3 {, C6 n: ~% U' eproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System V1 J: N( t6 }' P) O; oTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or * C2 e) e( V" B% o2 x& kpossessed 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. TPD Mobile Tactical Radar (US). ) n$ M! R* l1 T5 x# r+ C# l( UTPDR Total Processing Data Rate (TelComm/Computer term). 8 T- H) c$ L( R, |MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. 1 u; I, Y I$ x8 G0 S% ~TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. ) L/ Z6 V1 H' n/ r% D# r& nTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. 1 d9 V, v6 n0 W; F* J/ LTPM Technical Performance Measurement. ' l; S' }8 }4 d! \% b8 bTPMT Total Preventative Maintenance Time (ILS term). 5 w1 U7 \# B( p; hTPO (1) Test Planning Organization. (2) THAAD Program Office . O$ t8 }" Q5 v4 `" v0 w. ETPP Test Procedure Plan. , `8 ~6 h, }' m1 | C. NTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. * X! N( J& X3 zTPT Theater Planning Tool. * v5 S6 E0 v2 D0 @2 pTPWG Test Planning Working Group. (U.S. Air Force) ) ~% R. M q y# A) z0 HTQM Total Quality Management. ) [. L% a. m/ n6 p: m0 Y. n( @0 QTraceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path 5 Y1 m2 y% G. H& E(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or 1 @. M* f- V. V8 |( r7 s+ amore products having a predecessor-successor or master-subordinate 5 f# E, J+ U) t/ ^, {- [ g8 wrelationship 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. 4 r7 H# t$ z4 _(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the * F' ^. F3 M v' O0 }# f1 [earth. Track ' s3 ?, |: Y& m- g0 Q. \Assessment : K- p- U; r- m) MThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. 7 t+ n$ e/ r4 }8 n! wTrack, Birth to Death 5 T0 y# b' Y. BThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available 5 Q( }' R4 ?2 u* {1 Edata. 1 o4 m3 r& d! {% [/ B( Z4 c/ d' |' \Track Extension This term usually applies to improvements in track estimates by use of new data. " @7 ~) d+ Z$ C8 SIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). 3 ^- T' P6 E' E6 @9 RMDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS # l" Z- f# o3 a+ M% @measurements with irradiances with confidence of association; or some subset of m! m7 |' V2 v) ~the above. , R' L$ T3 d7 N9 i& O9 t* J0 wTrack File-Track 6 I. K; z2 Z7 p( l. M5 M3 nHistory 3 ?) N( Y/ `- V* }8 xA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. & V% B1 M) Z+ F6 f" S/ I- L; BTrack Formation The process of determining the track or tracks of detected objects. It is usually a , ^3 x, |/ X1 ?9 @. l r$ ^three-step process of data association, track initialization, and track improvement by filtering. . R- \8 \+ k9 Y! z% a1 yTracking The act of generating and maintaining a time history of an object's position and / i0 z! h( I+ I5 v. _- Z3 ^& {any other features of interest. 8 M {- }4 v RTracking and Pointing - B" ?( X4 [/ }# P2 R |Once a target is detected, it must be followed or “tracked”. When the target is 1 G+ Q. t" n1 Esuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing 3 A9 R: f. N3 U4 m0 b, jare frequently integrated operations. 9 V, z! t5 u0 O0 O' QTracking Range (Max) 2 I3 z: j% T7 UThe maximum line of sight distance at which a sensor can maintain track of an 1 ]0 A) b- W# `* J' e9 j! vobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of frames. Track Production r2 L `1 \: `* j; ~; {/ R; qArea 7 b, z8 h8 u) s, VAn area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. ) O5 z+ C% E& \" Y! ~) u8 X( s9 D, LTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. 6 n% `! E6 J9 d8 j0 T, \TRADEX Target Resolution and Discrimination Experiment. & ~8 j1 @5 P) E; D" G' d! ?TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. . A; s/ O' \, b. b4 {7 |Traffic Capability Maximum The maximum number of objects per unit time which the sensor system can : E# K; ?; F2 R! S3 J0 smaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high $ r! B- p6 ^2 {( N7 S; Kendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of " i, f6 D- X6 ~' i y5 X& Greentry. Trajectory The curve described by an object moving through space. Trajectory - N, i0 p4 V7 p: x3 hHistories * r* H: z* f2 W4 i. w7 U: j jTrajectory information on targets recorded over a period of time. 2 [, D) S4 O4 s2 Q4 Y' l* V2 QTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. $ u9 d8 ^2 Z3 AMDA GLOSSARY, VER. 4.0 T 4 d; P; x' k$ [1 ]/ w305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. 3 {+ R6 Y' E( |$ Y' w) h" lTRANSEC Transmission Security. 6 m( V) P4 v0 R! o5 p& p* t* m; R5 `1 FTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. $ l4 c. I3 Z! O7 d DTransition to Production / ?$ @$ p" z, f# e( XA risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to % l( e# k+ b4 o" K: L+ T& c! _/ tensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission ' F4 }: O7 o# w1 W9 j. `Security (TRANSEC) 7 q9 _/ n2 }2 I1 [) a; S4 G0 }% bThat component of security, which results from all measures, designed to protect 0 G; Q) n% C- t- `+ [0 z ecommunications 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. $ p4 g) J0 J* E! B# \Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security ; u. n+ g( N4 f9 M9 Wmechanisms to be circumvented. ; k2 \7 l6 i4 v+ X% s$ ?6 J$ eTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or # R$ f. l: \' q# Crepeatedly with a guided electromagnetic wave moving substantially in % w/ f) T$ B: p" w# d9 ^ ?% |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. 5 b# t* ]# d- x4 Z- ?3 W(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 used in determining positions of the points. 8 s" N' E) e0 g) |Traverse Level That vertical displacement above low-level air defense systems, expressed both ( |; M y y: ?as a height and altitude, at which aircraft can cross the area. $ p3 R- ~* X1 n9 |TRB Tactical Review Board. 5 m5 L w2 s; r. m2 @, S2 nTRD Technical Requirements Document. ! @, o: X. J6 P0 i+ cTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). ) p$ v5 f4 j; A: Y6 zTREE Transient Radiation Effects on Electronics. , n( Z: {9 F8 Z. }7 C3 I* Z/ tTREM Total Radiation Environment Model. ) D0 b+ h% e8 L8 Z: C- ATREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T / U4 w/ N6 i% S. _$ v& l6 w306 5 l, \8 A Y) p* P# g2 bTRG Threat Reference Guide. + `& @7 Q+ S/ Y* c7 a1 ETRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). - @& i+ B% B D2 a7 pTRIDENT I (C-4) US SLBM (USN term). - P8 f! n1 x, O0 STRIDENT 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 2 ?* V' z- r6 A% p" }additional (hidden) functions that surreptitiously exploit the legitimate 4 e7 {4 T* g; hauthorizations of the invoking process to the detriment of security or mission performance. 4 S& p0 X2 k- g; ]4 J* H5 yTROPO Tropospheric Scatter. 9 j7 H0 v+ c2 ?( C# y; xTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of ; `4 z6 o! D5 l1 n- y9 sabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the - q/ y$ s n O( S$ y/ h. Etropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing 7 z5 j2 B# F$ s( Z% ]% d( ]altitude, clouds form, convection is active, and mixing is continuous and more or . y+ V6 Q/ i/ ?8 J6 Y7 U7 Xless complete. Tropospheric Scatter " x9 Q3 V" @# c& R" VThe 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). (4) Technical Requirements Package. ) ]! c4 w9 G# P2 B$ ?, nTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer 4 [0 m9 N/ [+ n4 B0 tSystem/Software A system or its software that employs sufficient hardware and software integrity ' `6 V6 U- E: \* N! Smeasures to allow its use for processing sensitive or classified information. 6 k1 b; b- r; E& P! l. s Y/ n; iTrusted 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 " I' h: U; d* _. @of the Trusted Computing Base and cannot be imitated by un-trusted software. 3 ]/ w; s5 |5 K* f) l, I5 E( wTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 4 {) y- |* B: {) g4 N, G4 t; O/ c3 kTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. 8 g6 f4 W6 h1 K/ a. qTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. 0 ]! W; m9 X D; r/ r# k! BTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. 0 A, O$ t; y0 T) B1 fTSMA Theater of Strategic Military Action. # j# ]7 g' T; }: ]' P3 ETSP Target Support Plan. , r0 Z/ S5 X4 H* e" GTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. # |5 q; Z9 }. Q T: P" t% J/ RTSS Terminal Surveillance Sensor. # b* T# `! O, a6 XTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. # O2 s; n% ~! R2 o7 m3 PTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. B* f7 \) j0 }# E6 K. j1 PTTBM Terminal Tier Battle Manager. ) Q7 Y! o0 y3 R- D+ x. Z" \TTBT Threshold Test Ban Treaty. 8 A' |* S! r& p+ {TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, 1 p* w% l* \, t) y& A& Y2 bwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). ' S0 @5 S" w+ V- w3 gTTL Transistor-to-Transistor Logic. " o' c) N' x- t& @+ oTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. 7 |6 ^3 s! C9 `$ k% KTTT Test Technology Transfer. 0 Z# S' N7 {1 IMDA GLOSSARY, VER. 4.0 T 0 ]" P& }3 T* t/ F" f* P- b308 TTV Technology Test Vehicle. * `: m6 g1 {) Q& RTTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). , l6 K5 c. K3 b) KTVC Thrust Vector Control. 5 c. d# J8 g( |) MTVE Technology Validation Experiment. - y" V% Z w( s0 Z' \1 t3 d$ i K2 pTVM Track-via-Missile. 8 _6 W- ^# E, ^0 _4 H; x2 E* ^4 UTVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. . L6 x. s$ G) u- y- b* t3 VTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 2 k5 w" a- j4 M8 {" eTWS TOMAHAWK Weapons System (USN term). - j7 U" z, G$ v1 G# [( WTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. . D+ R$ E- F& x- T& MType A - System Specification States all necessary requirements in terms of performance, including test " i6 `6 F) l; [. E# N) I8 r) Pprovisions to assure that all requirements are achieved. Essential physical + p7 K& a# Y; n W1 kconstraints are included. Type A specifications state the technical and mission ' P8 V2 j# w! V1 a# frequirements of the system as an entity. - w7 j* S. F1 {# u+ b' T& DType B - Development 4 G% y- X2 ~% z: ]Specification - R$ z& h" }7 ?States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item : D! C# i3 y, B6 q' ?0 C( N! \functional characteristics and the tests required to demonstrate achievement of 0 `6 g5 y; {5 _: Hthose characteristics. Type C - Product Specification Product specifications are applicable to any item below the system level, and ) P! O8 l' h$ \" ~! E2 @2 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 4 ?( u- ^7 l7 z1 c& p8 Ditems including computer programs. g; y: T, [& b' N p# c4 p) ]Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 7 @) t3 B) s# n0 Tset of characteristics, and associating the characteristics with a specific class of 8 \" F, I4 Y$ s+ h9 ?0 U+ Q! Iobjects (i.e., SS-18, SS-24). 6 [* Q- n! D% x/ a; l' |- kMDA GLOSSARY, VER. 4.0 U 309 ( d* ^$ w2 o+ P! d. r! l4 _) @) aU Uranium. U&S Unified and Specified [commands] (pre-1996 term). * ]( D8 E/ j d1 v: y8 WU.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. * v' M! N0 H) Q7 fUA User Assessment (NMD BMC3 term). 6 j" C3 J' C4 ?; q, [5 F. HUAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. $ b6 P8 V+ ~; v/ X+ b$ P9 M hUCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). * B" L0 ^; [ O, s b hUCP Unified Command Plan. : C$ ^- Z- k3 K7 O/ }& p1 s3 d/ pUD/ASD United Defense/Armaments Systems Division. % E& s/ `9 ^" C! KUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating % c" O2 O! G8 v$ H- L6 Fand coordinating program requirements for testing MRTFB ranges, as well as the 0 D4 D E4 G$ W& Fcapabilities and plans of test ranges to support program requirements. It , o/ y; J5 ^, a. N3 J: kconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) . W! Y: O: _( G6 ]6 z0 ]Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 9 C1 Y: V O; kOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. - j ~" H( m% h( Y3 S( N* q! r3 b% JUEME Unified Electro-Magnetic Effects. Z: v$ T$ _8 R6 ~; c- d0 fUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U # n7 L& }+ L6 F" P$ C6 C310 + R# f( a% N5 lUFG User Focus Group. , E5 P6 }5 k& i' U" f; s# {UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. 2 g( f3 M9 |- J4 j3 O) G- y, aUGF Underground Facility. UGS Unattended Ground Sensors. UGT Under Ground Test. UHF Ultra High Frequency. 7 O3 l3 H! @5 H; pUIC Unit Identification Code. UIN User Interaction Node. 0 q7 W: }/ [( Z5 u5 o3 g$ c8 D! w6 BUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ' b4 G# U( F6 D' X- _" }ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet ' U0 w% [! @: X7 \ k& w" C6 V(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). 9 j8 `8 N' m0 i$ FUNAAF Unified Action Armed Forces. 7 x( h9 c" I# M/ [3 e: F7 jUNC United Nations Command. : r8 B6 _) C' o- _1 C* JUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare / b: n% m) S- n+ E7 j1 ]$ V4 F0 jincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion $ x8 c; D7 o8 i$ V. u+ G, Aand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. ! N; B! P- h0 l5 Q$ ?! J( uUnified Action ; L* G0 D* o; L% K/ ?Armed Forces A publication setting forth the principles, doctrines, and functions governing the 8 K! v( T- q5 ~activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. " U* s7 z* M1 W- B. e! ~Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and , D8 J M& q' O7 S' s+ l8 awhich is established and so designated by the President, through the Secretary 8 Y" S& z7 o; \- t8 cof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 & S: P9 C2 H/ T. T+ s3 O/ z5 _UNISYS UNISYS Corporation. : h0 W4 V$ m7 p1 y$ iUnited States 2 _1 J* q, E- s) k3 m2 nArmy Space Command 4 \6 z8 r' @ U- j(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 0 Z# z/ M3 M* d2 _$ s! RUnited States Space Command (USSPACECOM) - |/ e8 P Q+ c; x) eThe unified command responsible for planning and conducting ballistic missile ) C& m! n3 c2 a* H, W: I! {defense. Located in Colorado Springs, CO. United States & M+ V8 e5 U: Y- PStrategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 2 z' s4 Y7 F4 v1 ?missile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation 7 X/ ^& l6 G7 B2 I; z" cCommand (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and 1 d' B5 [* T" _1 ~* v; D; pterminal services, and commercial air, land, and sea transportation, including as / J. D9 h5 _- Xneeded to support the deployment, employment, and sustainment of U.S. forces * T, n4 g8 G# k$ pon a global basis, as directed by the Secretary of Defense. Located at Scott % h8 E; ]4 o( |& e+ _# mAFB, IL.

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Unk Unknown. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be ) ~3 M3 M2 j0 P6 B$ yindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. 4 l8 W8 z' u* [UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). & v( @% w+ R1 Z; `. [6 W' Z! X9 [8 aURT Upgraded RTD. US/UK United States/United Kingdom. 1 `/ Z+ Y5 ?" p" ]4 h8 F2 t. e- ^USA (1) United States Army. (2) Under Secretary of the Army. 8 R+ |& r: a8 W, H( sUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. , O( {- u( Q' j: SMDA GLOSSARY, VER. 4.0 U * {& U; V7 z q7 [; d312 ) a6 ]" }" E. C. p" g9 Y1 y. P. VUSACE United States Army Corps of Engineers. + I; ?$ S0 y9 {% A* `8 O1 OUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. ! m/ q* N0 A' h/ _USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF ; J# [, Z$ Z' x) y$ SSystems Command /SSD. : V! P- K3 [- u) f( C6 f8 Q2 VUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 9 p7 J8 O( x, p3 n) b6 VUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. . n* G0 L% V9 s: Q/ m' }) [! kUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. P+ k E$ U6 e6 k" H5 M3 {9 rUSAFE U.S. Air Forces in Europe. 6 m8 m, E5 Z3 h+ \' Z. r6 T' \USAFLANT U.S. Air Force, U.S. Atlantic Command. O6 w* e" u; j' T# F7 dUSAKA U.S. Army Kwajalein Atoll. 5 W; E8 V) [4 o4 B+ cUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 2 U N+ B8 U$ h, o2 WUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. # c8 p+ D5 Y4 Z9 @# Y% A( DUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. 0 W! q4 m5 E4 J) }" e8 lUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. / Q) a" f2 ]! z5 r# RUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. ) r% i1 d# j: b$ N+ I5 y1 oUSARSPACE 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. " C2 Q, L# g- [# y! iUSATRADOC U.S. Army Training and Doctrine Command. - U/ s; F5 d4 BUSB Upgraded SBD. , d. B- q3 B+ E2 N$ xUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U * {+ l8 T" _/ [, Z6 U313 X4 A; H0 o5 |USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. ( e% x2 ]6 }) N4 C# I! aUSCINCCENT Commander in Chief, U.S. Central Command. + l; q0 x! {# v7 ZUSCINCEUR U.S. Commander in Chief, Europe. & i N; |0 k- X9 ?" i% A0 [) bUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. 4 P4 C( A' g) s$ ]USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. , ]7 E! L1 M7 z% x6 H8 {2 H& ZUSD Under Secretary of Defense. 0 Q) G. y3 L) `9 _ N, G6 LUSD(A&T) Undersecretary of Defense (Acquisition and Technology). 1 {' e2 G8 b5 \USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ! B5 O, l' ?1 b( Q, RUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. 4 L' Q9 D( L I* zUSD(P) Under Secretary of Defense for Policy. 1 J$ Y$ w9 J# w: WUSDA United States Department of Agriculture. ( |8 P5 w7 T6 {3 BUSDAO U.S. Defense Attaché Office. 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 1 D1 E& d( ~3 w: [/ s5 Voperate it successfully and easily. 6 R# \$ m6 O0 `, c0 Q! `0 SUser Operational Evaluation System (UOES) 4 q5 Z( ?+ o5 d }Prototypical system developed and tested as part of the early phases of the 0 _+ h" o3 G0 ydevelopment process. A UOES has two objectives: (1) testing, evaluation, and 5 p. q/ f- F: }7 |' T9 K0 {training for a system proceeding through the normal acquisition process; and (2) 5 `) t+ `. J& ^8 s) u9 o( Rcontingency defense capability should the need arise prior to completion of the normal acquisition cycle. 2 L1 o# T+ T3 o7 D0 p, vUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. ' a' V" t, V; K9 r4 d5 uUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. 8 J0 m% V! x5 q. `1 c2 XUSMAR- + h( {' F4 W2 B- mFORCENT . q+ U* ]: _4 @; G" i9 cU.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. ; e4 K& ]9 ~; p! D# h0 Z8 WUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. USMCR United States Marine Corps Reserve. 7 k. M( C- p/ O/ P+ XUSMILREP U.S. Military Representative. USN United States Navy. % N# B4 z% `# I$ eUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. & x) X( |+ \7 e l: eUSNIP U.S. Naval Institute Proceedings. 6 }# d- l2 I' y1 H. rUSNO U.S. Naval Observatory. 4 V1 @. p% e: l9 bUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). + e4 ^2 A% g# K$ ?/ y) Z4 G4 ~USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. ) e! e: ~- |& M& P4 YUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. + o4 T" T* f$ Q1 w0 E' w0 DUSSTRATCOM See United States Strategic Command. " J& C: e1 {1 ` @) @ c& N# UUSTA United States Telephone Association. * ~! n/ H% h8 S' |USTRANSCOM See United States Transportation Command. 6 _3 ]$ s0 V% R# S/ J# {; kUT Universal Time. " _- X. ~$ o8 y8 dUTC Unit Type Code. 2 E, c4 h% m- u c8 bMDA GLOSSARY, VER. 4.0 U & ?* B( d, w. t4 G4 ^2 g- G315 4 \- d! l) `& l- DUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. 0 Q3 T; D0 v: m& b& JUV Electro- : N4 I6 Y5 C8 _' p& I! `6 x3 V9 hOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). 4 a% W2 w. Z- o3 U" _# k. @UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. ; Y$ [' w5 p H E6 a; MMDA GLOSSARY, VER. 4.0 V 316 , C+ R" [; P+ {9 WV Volt. 4 t' ]0 K* i9 c8 a+ h2 K. ]& _4 LV&H Vulnerability and Hardening. ) z9 N! H- L3 ^; e3 R$ o, P) k' p6 vV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. 7 x9 w, D- Q# wVAFB Vandenberg Air Force Base, CA. + Y: [6 }2 x" E9 N' q) AValidation Confirmation that the processes and outputs from a test resource parallel real 2 R' |1 \ }7 }& |world 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. , p; u% [( H$ L5 o c7 ZVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases 1 _/ }2 l# o2 X; ]/ q* gwith the distance from ground zero; or, in damage assessment, a mathematical , o+ t+ V4 S+ K$ a, T% q/ p$ X/ G$ qfactor introduced to average the effects of orientation, minor shielding, and 0 }6 c" k3 l8 n1 r4 {uncertainty of target response to the effects considered. - [3 u$ m1 _) r% ^6 tVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. ; @; u( A" {3 f2 F6 zVDU Visual Display Unit. % s. ^1 {4 Q0 J' _4 `$ AVE Value Engineering. ; M' t9 j0 P6 W# Y, LVECP Value Engineering Change Proposal. : w8 s* j9 @9 l+ sVerification (1) Confirmation that all data inputs, logic, calculations and engineering # V2 S' A( {% W. E! n0 J+ brepresentations of a T&E resource accurately portray the characteristics, $ F1 E6 f- |, Gcalculations, logic, and interactions of the system under evaluation. , X" K q8 H" C3 s$ S1 Q(2) The process of evaluating a system or component during or at the end . }/ M8 a( T' eof the development process to determine whether it satisfies specified requirements. . i, }2 j( U( n3 y3 W2 ^VESA Video Electronics Standards Association. ; v: c! }, n, v* vVFR Visual Flight Rules. " P" [. i2 L' H# C+ u. pVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. F$ z, n0 ^' d) WVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V % R% l5 v! I% z" E6 `0 ], N317 * `# ]2 J# s; f& M ZVIDS Vehicle Integrated Defense Software (USA term). 1 D. J- O: @7 `+ c' FVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 ( k/ P. p$ c. Z3 T1 d: iOperation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a " t' H6 C9 Y7 u& U& b' Kgimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and & @6 V% r6 Y! J- w Q/ Sprecision-tracked with the ANTE processor. 0 i5 H) J) v1 } Y \' {. ?/ RVIM Vibration Isolation Module. ' D, b7 i) V, t+ H" y% y% H2 XVINSON Encrypted Ultra High Frequency Communications System. 4 L7 u* M) E$ r5 H5 DVIS Visible. 1 {; q, X# p& s3 W# qVIS/UV Visible/Ultraviolet. $ x4 \, m/ _+ B% v$ n& A4 BVisibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can : {6 ]+ |3 x# H3 o) t9 `just be seen against the horizon’s sky in daylight. The visibility is related to the " `. v% E- V& h) r3 F$ tclarity of the atmosphere ranging from 170 miles (280 kilometers) for an 8 c) E1 b5 u" e. \/ pexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). ! U; b! J$ q' D" Q d$ Y, [Visible Electro- Optics 0 P% P8 f5 H0 P) r0 nTechnologies/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. ( Y0 l+ f+ D1 Q/ m# ]VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. * u3 M/ V9 S8 B8 w" wVLSIC VLSI Circuits. % \$ O- \3 x! h7 }5 ? s7 k" ZVLWIR Very Long Wavelength Infrared. E- a3 z o& |. L" KVME Versa Modular European [standards]. 9 E$ o3 Z9 _' s. K( n+ {VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. 5 D' P8 i& S% w* k; M+ eVTC Video Teleconference. ; D7 ~" H$ S1 f& F) Z/ \VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. . @1 o2 n- E: N' l# ^. [ wMDA GLOSSARY, VER. 4.0 V / G& s' {7 |9 d y5 s318 3 h$ k# Q6 T- z& ^9 }Vulcan UK bomber. " O0 b. a0 W/ |( ?4 L+ e0 F$ F# q% CVV&A Verification, Validation, and Accreditation. * i0 P, M& j% SVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. - c( t& ^+ |! LMDA GLOSSARY, VER. 4.0 W 7 E! t% I" g/ P9 m! ^319 . ~# C- W4 C! v: S* wW/ With. % H) b2 P/ L: X9 h+ X$ h, ^! C# ~w/o Without. & H* @. N# X6 ^2 N. D7 kW/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. + m/ ]! l0 [' V* w% v' cWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 9 q$ m9 w h" J @, }; g- a1 z' }$ bMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. 1 W6 P3 w& B0 [$ h2 I4 T9 {War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual 7 ~/ D3 g1 S3 } Q Q/ Q: Oor assumed real life situation. 6 ` {+ }3 e) t3 Z g# |& r0 s$ AWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and % _, b7 n8 b, S5 g* Lassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, 7 e& b9 v! J; C4 d- Wairframe, motor, or guidance section. 0 W2 T4 y. r1 Y* i R) W& t" @Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). $ Y" J4 |* d! p; A" DWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation - |! J4 y5 L" T Z( j- b3 Qaids, threat recognition, weapons, and countermeasures systems that (1) will 2 z* k d: }) ?. b! X# ~contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if 8 `0 R4 y9 l+ H: Q8 tknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to 2 z# p8 e `7 _/ T! ]4 Psuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 4 o) K# c. t8 _5 ^8 I5 q* xWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective 2 {1 E8 P! _) |- P9 _, x; [' l6 pin contributing to the defeat of the offense. Watch Condition (WATCHCON) 4 r# B Q- F$ `* I# F; |Series of readiness conditions used by the intelligence community to alert staffs : F# G3 T$ M: Y5 jto watchfulness without raising DEFCON. : i ?* Y, r6 P% U; x6 }WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive 0 k2 q: [- s' K0 f1 R" ~cycles of a periodic wave, along a line in the direction of propagation. }+ n3 M2 G2 v% q5 W1 H) O2 k, nWB Wideband. ) W! b2 X8 s! ~! bWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be ) \( c$ O) H2 alaunched.