航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T V, c' t/ ?+ [7 }+ }* W/ B298 ) n0 B2 p# f( A( BTheater Missile Defense Council (TMDC) * d. x- Z% ?, K, O$ ~4 TA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for $ d" Q, b4 X% c5 L) _2 Y* n( hAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High 7 M+ U" X% a2 M+ o% yAltitude Area / F- A4 _& b% B; ~' z5 |& ` P- pDefense System (THAAD) 7 S; G, ~$ P! BA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at & W3 {* v& U5 h+ E. O0 S. Qgreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. : H# @$ N% P( \" y6 k0 QTheater Missile (TM) ; a( f( z" ^2 S, A! E! VA 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 6 H0 P& _% R b' R( g& V, t! tof attacking targets in a theater. / N |" Z9 h8 W# \3 Y! V* DTheater Missile Defense (TMD) - C, V! g8 b) q# JOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile ) D4 B* U0 ?1 b/ S: h$ h" r! p# cDefense Ground- Based Radar % A' S. @3 a! j3 H(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile Defense Initiative 7 [' Q3 g5 p O- T(TMDI) An initiative under which all DoD theater and tactical missile defense activities are - `$ {& m* P+ x+ Rcarried 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. 3 R+ l; k; I8 g4 }5 h; {THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of . i0 p- |7 O& T- Y5 z/ Sthermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or : J5 V7 i( D" F% B: K" _, g+ f0 Hreflected from the objects, which are imaged. 6 ~* O5 u: o1 [( FThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. R: ?% W! K* n) a0 sThermal + s. K% P; p" U( u8 }! c! |Management w; d& N: E6 {) W7 E+ MTechnologies/techniques associated with the control and management of 7 B: Q3 `/ x# }5 s7 s" Hthermal energy, its generation, dissipation, and recovery. / z* @8 B( c0 d5 N) z. Y5 |Thermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. 0 | f6 x2 z$ P4 L$ X7 cThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, ! P9 k0 {; }5 g E5 |/ y: @) F" Nemitted 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 - b6 P6 H, N1 [) k5 j& Rabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated # L! V2 s6 Z$ w$ C# x7 P, }5 E: \region) which then emits thermal radiation. (See X-Rays.) ( ?/ z1 a6 z7 k7 B1 nMDA GLOSSARY, VER. 4.0 T 299 0 i* v' }9 X9 p L) g3 FThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting + c8 B' s# L# { F7 |at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. + _% |0 I0 v+ a5 R g: BThreat 6 k5 p( @" |2 jCharacterization % a0 ~) m0 p- cAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 4 {$ L& }+ l* [, f7 m6 U6 H(Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object ! i- w0 C3 t! V+ \trajectories to be represented by a single trajectory in battle management + w2 g/ A. G4 G. @4 Ccomputation. . S3 ~6 t" d, n. G/ _Threat Scenario A hypothetical example of the employment of threat systems against ballistic : _% l j& n1 ~% l( Jmissile 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 # |* g: N8 @- V8 U4 y) ]value (threshold) required to satisfy the mission need and a performance objective. : a0 @! {$ H) e5 p) EThreshold : k& u, t7 {4 `1 eDefense 3 l; S" @2 G( x! j; t5 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 * P* Y, a* o- _. b( foffense to mount a relatively large and complex attack. # b! h: u7 i3 w' A" K: n5 IThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) + w+ i4 C* p) bConical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. - m+ X* S/ g7 D! PTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. ' A7 q8 k0 ]' `1 [8 \% b3 e3 q(2) Tactical Information Broadcast System. ( f; _! }& _/ B( T1 i2 O$ A3 u(3) Theater Intelligence Broadcast System. : |* g* | H: ~7 m3 ~% P6 [, LTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. : F+ x: S D+ ?* ?! q- iTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. ; A4 L6 C1 H4 s! uTier An integrated set of SDS elements that address a particular phase of the threat ) t2 a* u& ]# Z9 b1 t" x(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. 2 _8 j% F( T4 N2 b9 HTIL Technical Insertion Laboratory. 4 k. X0 A/ F# k- YTIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and * K- f! o2 q9 K3 K8 D% pDeployment List * \7 m) `* r8 \+ a; cAppendix 1 to Annex A of the operation plan. It identifies types and/or actual & n' R& _% f" ^- H! R) }units required to support the operation plan and indicates origin and ports of & p; Y, F5 B/ Sdebarkation or ocean area. . `& l$ G F2 I' ^4 L- p% \0 r6 s+ yTime of Flight (Max) % u% e8 d" H' A3 kThe maximum time for a booster or vehicle to perform its function from time of ( B: N, E0 L: i- ^, zlaunch. " J+ Z3 r: A0 x4 b1 mTime on Station The time the sensor is in its operating position. 8 X; }1 F5 V. D: d" wTime Sensitive $ B0 N8 @6 P' \% A, uTargets Those target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, * l% B6 ^( `( ?) X/ ]fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. ' O+ e1 A" Q2 v8 j! n% X1 j) c- wTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. 3 i% J7 m2 u$ Y4 PTIP TOPAZ International Program. $ U- B; P- p" M/ H4 L1 ~TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. . Q! E( c, R/ f" m- M: f7 sTitan USICBM. ! H! E& a. Z3 w5 D/ h, KTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. - ?3 Z8 I- q# A4 r+ |TLA Time Line Analysis. 7 {# P2 A8 l* ^. Z1 ^TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). ; R/ z D- K: p* XTLDD Top Level Design Document. 1 @5 D. k4 f* c% @& XTLV Target Launch Vehicle. 1 f) T5 G2 h1 T( ~$ s% U, ?) BTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 5 G* v0 r X& h/ d7 z+ B301 5 y( ~* d% u4 b; ZTMD C 3 I Those assets that provide connectivity between and among Theater Ballistic % f! V; h5 y9 H. H6 { |$ lMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). " W: l) @ u6 A" V. F3 D2 u9 ~5 jTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. 3 {8 \; y* P' {* M! C0 |TMDC Theater Missile Defense Council. a( ^, a# Q+ q( B, Z8 X( UTMDE Test Measurement and Diagnostic Equipment (ILS term). ( _! Q% b( B5 ATMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 4 S% {+ L8 V0 F5 Q$ ~- vTNF Theater Nuclear Forces [Treaty term]. ; O, ?1 T2 D2 o n2 G" x- ?. FTNT Trinitrotoluene. TNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. 3 Z# ~0 m7 I* f8 c. I" k" jTOAM Tactical Air Operations Module. % L/ l( Y5 n7 A7 k8 _% b3 }) xTOC Tactical Operations Center. 9 ~1 L7 Y0 P6 D0 MTOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. # O( d5 L# s" p a) `/ ~1 G% ~! YTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. - z* j' `0 z; `6 D7 i0 ^& Q$ E: v8 lMDA GLOSSARY, VER. 4.0 T 302 * c) V; g! x$ R/ j$ mTOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). $ ?% y6 s0 N7 }6 [TOO Target of Opportunity. , x% Q: G2 V w( C3 ?5 yTOOL Target of Opportunity Launch. TOP Task Order Plan. $ j2 E$ [; O9 i- }5 |2 c/ [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 4 x. `8 M, c! ?; ]8 s0 m$ F4 f0 r5 S8 eDesign The process of designing a system by identifying its major components, 2 L+ D* c" w/ y2 |. f; Rdecomposing them into their lower level components, and iterating until the 3 Y% W& a! U5 f! E6 v8 \desired level of detail is achieved. Top-Down 1 S: r+ t- Z9 j. B+ X/ c. MTesting 9 t# c) T3 f! m9 ^( mThe process of checking out hierarchically organized programs, progressively, 3 `! q, r0 M3 z8 Y/ ]. Mfrom top to bottom, using simulation of lower level components. $ H# K+ D/ H6 k1 H7 dTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. D- x7 T/ `7 A: I; F+ h5 q1 x3 l4 hTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target : [! @4 y- h& b9 M& ?- ]Total Obligation Q" p2 p# ?5 a/ R% b# C; [! a$ cAuthority (TOA) % Z5 B, D/ l8 x. n- B& H: W5 i4 vA DoD financial term, which expresses the value of the direct program for a given : d1 O N" K1 ~; l/ X: x& k/ qfiscal year. Total Quality 6 G7 A/ N5 `+ G3 I; |: o$ g6 u3 BManagement (TQM) 9 @4 f0 a7 c w9 e8 m9 T, fA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 5 t' H. D. U4 R6 i) GTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. , b- S- z. H/ ^# ^1 x! F9 T D6 TToxicity The kind and amount of poison or toxic produced by a microorganism, or , N/ W: [$ A1 L% h0 V# t/ S7 Apossessed 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. ) u* o+ N: N, T+ Z. z' g/ I4 }. v- ]TPD Mobile Tactical Radar (US). 3 T# o, T/ k8 KTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T % q5 ?3 |7 Q3 l0 f& Z/ L( D/ Q303 TPEC THAAD Performance Evaluation Center. 1 F+ `2 X7 L# sTPEM Technology Program Element Manager (SDIO/MDA term). * [( ^0 H8 t4 U7 XTPFDD Time-Phased Force Deployment Data. ! S S+ M8 O0 t$ b7 H: OTPFDDL Time-Phased Force Deployment Data List. 5 P7 T: [, T' F7 xTPFDL 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 TPP Test Procedure Plan. % R9 c: ]9 P% b; t) ]! _7 HTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target 1 B2 U, l+ I. v: yPerformance Report. 0 J* Y. j9 h C) r* s" ~3 tTPS Thermal Protection System. G7 v: z" D4 kTPT Theater Planning Tool. 2 I- Q" z/ C% L0 FTPWG Test Planning Working Group. (U.S. Air Force) & v4 d4 f( b: ^% ^% @' hTQM Total Quality Management. " B: v" C* z$ M8 M) {: n" \Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path 7 x; K8 }- }0 b/ e6 I/ H(upward) and allocation/flowdown path (downward) of requirements and 6 d" R- `6 f" \& H) Wconstraints. ) j+ ^& _' q- t% O(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. ! D% c5 t+ d. C9 Q5 B* _(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 instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track ! h0 k3 K8 m' n: ?Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to - z+ \- u, N$ T0 }' WDeath The maintenance of an associated track through all phases of flight (i.e., boost " l0 P4 w V0 e5 o5 U7 L% Ato reentry). * V0 K3 f7 R$ R# b) C( a, x+ oTrack Correlation The combining of track information for identification purposes, using all available $ H7 @' |5 ?1 udata. 6 {2 ^! w7 ]% {( ~- R! mTrack Extension This term usually applies to improvements in track estimates by use of new data. # h) y" ?$ |- XIt is sometimes used to describe a process of target extrapolation to a future time 6 Q K& E* X. r7 l9 e( Nor place (e.g., reentry). ! x" }! H$ V: Q& |MDA GLOSSARY, VER. 4.0 T 304 & @1 _2 Y) ]' }9 G( P! B/ [7 Z7 e7 a5 dTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS 1 b$ z. S. A Q+ ?6 K7 ymeasurements with irradiances with confidence of association; or some subset of the above. $ C5 Q/ }7 r/ D- J8 {Track File-Track 6 t6 z# n% w* l8 m$ D8 LHistory A set of individual track reports on a particular object, which taken together 5 H0 \4 [+ N' Pproduce useful approximation of that object's future position in space. . M# G: ]8 \- h4 @Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. , ?* }. \) G! z# p: Z, lTracking The act of generating and maintaining a time history of an object's position and v* S7 m$ A8 U+ v& ?6 \any other features of interest. , Y S% z( `/ I2 q% ZTracking and Pointing 8 o* V: w. x: y3 |4 N: ~( rOnce a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing ) u0 ]4 I! E# f6 {are frequently integrated operations. + T7 @! ]7 N# k- \7 M) RTracking Range 2 ]2 P0 u5 X$ p/ B& n(Max) 2 Y7 {- S/ j T3 [; w* }9 WThe maximum line of sight distance at which a sensor can maintain track of an object. # `7 G( W3 ]/ P5 s+ |5 OTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector ( v! ?* n/ T" {$ t3 F. S2 yof an object. The process typically requires observation from a number of " C1 {( K' u9 `) r9 bframes. Track Production ! \, J- s* W! V5 }' Y8 ^Area An area in which tracks are produced by one radar station. % N1 r2 E# R' ^* ^0 z0 \9 ?Track Symbology Symbols used to display tracks on a data console or other display device. 6 d% e+ S! N3 c+ Z. B4 kTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. , y* h4 k5 N' ^* Y* E8 JTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. 6 v% U: s) v* Y9 V4 KTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. ! ~; D- x: I8 YTraffic Capability 1 j0 R) V: q3 K9 ^6 {$ QMaximum . o4 D# G/ s; x: LThe maximum number of objects per unit time which the sensor system can ; s: i0 _& E! w/ E, smaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. 1 u& K O4 Q0 R/ f+ z. NTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. Trajectory Histories * Z, q2 D) M1 F$ C* {2 ETrajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 6 }5 u* w, E& C! e) U V; O305 ! K& S" d- @. `7 z! |TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. }1 y* K! u4 u) ~8 c/ |7 mTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to 8 N) Y: U$ H7 p2 ^; `4 z( P+ n3 X' C/ hProduction A risk reduction process during which the program shifts (passes) from 8 w* }$ {$ e% j4 S" E# Vdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security (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 & k) `2 s; @+ g/ b) i/ ^9 \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. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 2 q/ x& s* M0 @5 Q5 X5 I2 t8 H# bTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security ! ^6 @$ b% ~' ?+ l' @1 ], imechanisms to be circumvented. % Q/ b+ U7 X( u2 }- Z9 cTraveling Wave # F) k1 r8 G3 l3 JTube (TWT) 7 N8 _; W; X. R, e" B" E9 ?An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in ) _2 Z7 c/ `% H3 j. zsynchronism 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 ! }+ c+ a: ^+ b8 S6 b; _- Kthe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. (2) A method of surveying in which lengths and directions of lines between points on the earth are obtained by or from field measurements, and used in determining positions of the points. 9 W9 {1 O& v# E+ C1 qTraverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. 4 H7 y* Q+ Q$ K# b* |' `* CTRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. 4 L W! S* E' G* ?TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. 4 @- W' T( o( Q! w- z8 E3 RTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T - t1 m9 n0 h! i, H; [306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. 6 C5 K2 a0 v: x5 l5 |/ C3 [, lTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). $ ^2 Q3 L& K9 I# _TRIDENT II (D-5) US SLBM (USN term). ! |- u8 f& P- r6 X" c8 O2 N- `TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. 8 V0 O! `8 G; e, C7 v' O iTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate + I- b4 A+ `8 k$ h0 Pauthorizations of the invoking process to the detriment of security or mission $ J R0 s- r) B8 Y* g7 Zperformance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the _" c+ [0 z2 t) d: X0 i* p' p( Matmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the ; d5 o' ?& r( |! }# s& `4 q3 ftropics. (See Stratosphere, Troposphere.) 2 n1 X2 v: E8 T9 k. Z# p( sTroposphere 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 altitude, clouds form, convection is active, and mixing is continuous and more or ) Y3 o( t# ]; q: S+ jless complete. + u1 h3 K* e2 m) U! STropospheric $ U' }$ D# u- P+ ~* eScatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. 0 _; T% c r, u8 ?1 _7 |TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. - m) M) k. O/ O9 Q: ]TRR Test Readiness Review. Trusted 5 _3 E3 C3 K! ZComputer System/Software # l4 p) S% q' T% i+ |5 fA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. + M3 P; D0 J9 ~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 , o! i6 {$ x( R8 P: K- kof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. 3 R6 D, }+ Y3 O( J0 fTS (1) Terminal Service. (2) Top Secret. 5 u2 l9 M7 J1 F/ [& C6 ]* [MDA GLOSSARY, VER. 4.0 T % ^$ E4 K! V9 j307 TSA Technology Security Analysis. + A( l4 Y7 ~ J! a0 W" ZTSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). ; E0 ?8 f9 q; j; z; R. o( @TSD Tactical Surveillance Demonstration. 9 o1 r& u1 ~1 Z& m' f/ b/ m: @TSDE Tactical Surveillance Demonstration Enhancement. 7 t/ `) L+ h+ U' v2 k) _) gTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. ) o" a$ B0 L ~9 STSM TRADOC System Manager. 6 B( u) W+ z( k9 tTSMA Theater of Strategic Military Action. ! v j, } T/ t* a# GTSP Target Support Plan. , ~/ }. S/ x. X; v' P8 lTSPI Time, Space, Position Information. , W' Z3 \* S% X. sTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. 2 L+ j$ f8 }* k* \ U% h( CTSWG Target Signature Working Group. TT Total Time. 5 w& B$ S6 E l5 vTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. 4 V6 p7 E8 }( KTTD&D Test Technology Development and Demonstration. A portion of the CTEIP ' n3 s6 S4 D. d$ l5 q) Wprogram, which funds the development and demonstration of technologies, 0 v [2 \% m- ?6 Uwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 4 Q- A0 y% F0 [3 Q5 u5 z# iTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. * a4 [0 b& o$ A, n- JMDA GLOSSARY, VER. 4.0 T 308 5 H2 i/ ?7 q& d( _0 N+ ?( ~1 WTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. 1 [% o! ]/ T% Q9 r( [. |4 jTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. " g; v: h5 w+ G+ @8 F8 r5 ?TWS TOMAHAWK Weapons System (USN term). % w2 K3 W5 m# f' e! T- wTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). / y( x/ A: o9 TTY$M Then Year Dollars Millions. : z' A4 v! p4 y4 ?Type A - System Specification 2 D; Q6 V: E" \6 ~States all necessary requirements in terms of performance, including test " ~* X& ^" M, ]provisions to assure that all requirements are achieved. Essential physical / d5 }4 R% }2 R y% i0 Hconstraints are included. Type A specifications state the technical and mission . T+ p& q# ^! c& @! y2 V" r" jrequirements of the system as an entity. % S& ~& s5 a1 v9 L: T: b. RType B - Development # h: [* v4 L- c% NSpecification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the 5 M/ ?' r/ }* V3 P$ ?development of items other than systems. They specify all of the required item r' V8 }0 j9 ]4 efunctional characteristics and the tests required to demonstrate achievement of those characteristics. ) g# ]# ?- @5 S! Z+ `5 A* D* `. M6 kType C - Product 9 V. Q6 M1 H3 q0 B5 I' e+ RSpecification - Q! t; u! n: t4 U- t) IProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) # x6 P/ s- G+ a: Vrequirements. Type C specifications intended to be used for the procurement of - F C" }+ Z8 b' g+ i+ R5 }items including computer programs. Typhoon Class of Soviet ballistic missile submarines. ) f/ c; q" ?# X. A! d3 fTyping 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 8 v3 I* G, b2 m: G E( k1 o+ iU Uranium. : E0 L9 B/ {+ l0 G; k" a% JU&S Unified and Specified [commands] (pre-1996 term). $ L1 F/ M6 p! vU.K (UK) United Kingdom. ' q( R, f7 O$ h. C0 f6 T* M6 c7 ~U.S. (US) United States. 1 i% v b9 b2 D# L1 L9 |U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). " V/ u% I( H3 ~UAE United Arab Emirates. - q- u! Z4 Q1 |6 q& e+ pUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). # U9 S" f6 F- b/ F$ O' u# XUCP Unified Command Plan. 3 ?8 V% k( D, W3 u- x4 j( fUD/ASD United Defense/Armaments Systems Division. 7 D j2 @% [+ R, h N7 E: MUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating # D; ~* E+ _$ t$ Hand coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It ' S/ K5 O' x5 x! L/ @consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 0 M! M/ ^' Z# w8 \ U$ q# `3 N" A2 l2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) + U9 y0 v e! J5 w& q2 @ |Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the / q# ?. i4 n4 ?- O6 v( W, M( eRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. ( n, x" B" _, ]& bUF6 Uranium hexafluoride. . Q5 W) Z( u3 V% C: c5 a! lMDA GLOSSARY, VER. 4.0 U 310 " M: k1 J {5 c3 {UFG User Focus Group. 7 v& ]6 A/ q7 Z7 K+ m5 rUFO UHF Follow-On [Satellite Communications System]. ; S( m& h) J, P- P1 M: A- }7 ]1 CUFP Unit Flyaway Price. 1 U1 j% D+ p9 x1 P0 _# [UGF Underground Facility. UGS Unattended Ground Sensors. * q3 `2 N+ s7 UUGT Under Ground Test. 4 e+ W. V! [) rUHF Ultra High Frequency. ?3 E. [% X# {7 @UIC Unit Identification Code. + U4 O* ]0 S H. jUIN User Interaction Node. / {& L# J+ m- t' ^8 y# e$ CUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ) O1 D: Q2 Q. B) r$ ZULCS Unit Level Circuit Switch (SINCGARS term). 9 ]; k9 |& i( ^8 H- B- V6 c% oULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). 3 p! t2 r6 W9 j; x& K' y IUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet . w6 D0 x6 N3 P1 ~3 v/ X7 X2 u(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). # H' j* P, E- i4 E2 s2 W, kUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional 7 y9 ]* P; C& C4 S. DWarfare 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, % s6 u. _( E2 A: O F( I1 p: a1 Tcovert, or clandestine nature. Unified Action % G3 R0 H; s& y2 q7 Q8 |Armed Forces A publication setting forth the principles, doctrines, and functions governing the ; p3 H# k0 P4 Y# i) nactivities and performance of the Armed Forces of the United States when two or 4 |0 s# `4 ]$ G* \% J# v& f5 X% C* ymore Services or elements thereof are acting together. & b3 A, s) |, R+ kUnified Command A command with a broad continuing mission under a single commander and . `; A1 S. o$ E/ ~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. - p# R) F8 `% v7 \! {1 @: D; }8 w9 T; E* M: dMDA GLOSSARY, VER. 4.0 U 311 2 B2 |+ L; G. p. c- w, o/ mUNISYS UNISYS Corporation. United States 9 r1 t; r, B7 W) M0 |1 aArmy l& v0 \- I# I! r- tSpace Command $ v1 k6 N0 K w9 F3 |(USARSPACE) $ G: A: s. Z A" v! F2 L8 VThe Army component command of USSPACECOM. Responsible for the Army % m) B$ E0 L1 p8 y6 y6 B7 ?% _2 belements of the SDS system. Located in Colorado Springs, CO. United States 2 u- A' S- Y6 C6 M- a1 mSpace Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile # G9 k3 u% H Tdefense. Located in Colorado Springs, CO. ; F4 T) Z/ }+ G* {, @United States 0 A% a: e, D+ w: mStrategic 5 r6 E3 q- u0 m; uCommand (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. 1 ?) H* W; i3 x. R; S& sUnited States 3 }( ?9 Q& \* C* G+ ?! b% @Transportation Command (USTRANSCOM) % D A7 o) m1 ^4 mThe DoD unified command responsible for providing air, land, and sea ) O& f) C% }, o& q, P6 U. y1 ztransportation for the Department of Defense, both in time of peace and time of % M: ~4 |5 n6 j" Z9 i0 C1 \; Nwar. 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 9 N/ W/ ^: R* z! V- aon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. Unresolved 3 R% c2 z6 l; Y ^ l8 ?5 H+ L6 r0 `Objects 4 O+ z6 G2 K- p: G" j- YObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. 0 V+ i" K/ h$ KUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. $ v' ^* H3 s9 aUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). . E0 G7 i! g3 aURIP University Research Initiative Support Program. 4 c- H$ r+ e* T# r" f1 ZURL Uniform Resource Locator (internet protocol term). % c" o8 j/ s9 }( x0 p0 D1 ]URT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. 9 ]* X# Q% x5 z6 d1 o: hUSAADASCH U.S. Army Air Defense Artillery School. USAAE 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. 5 l2 z9 Q, M% _" w# mUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. $ A6 n! g% ?$ G& b* tUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF # V* H" j, t+ K- E7 L2 M, tSystems Command /SSD. / u! W: j$ F8 P5 C) M5 g+ C7 w hUSAF/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. ) c3 j! x9 u& @; @6 H$ ]USAFE U.S. Air Forces in Europe. ) ~. p, u7 y9 F4 H& t; E1 a$ _* V# KUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. . w t" y( [" y& C- kUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. 1 P' m8 f, h" [* X3 sUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. ) Y: m2 ~4 C3 W( WUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. 7 @. m$ v `, ^2 {/ n' A: S! X/ nUSAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. 6 Q; g: P. l( d/ K7 k! S5 qUSARPAC U.S. Army Forces, U.S. Pacific Command. ) y/ X& U8 Q( |" G) }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. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. ; g* z% F3 J& Y. N: X2 u2 MMDA GLOSSARY, VER. 4.0 U 3 ? Z5 h; ^( T+ c* B! H313 ! w/ |' A9 N8 I* Z" y/ K" o$ eUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 0 I( e3 d7 v8 G7 ?# _% j; y1 @USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. 2 K+ h; ^% Y. g5 K) x+ nUSCINCPAC Commander-in-Chief, U.S. Pacific Command. , f- y. B. |: @% ~1 T% E- W, CUSCINCSPACE Commander-in-Chief, U.S. Space Command. / K) ]: e. I9 L) l/ q& K- vUSCINCTRANS Commander in Chief, U.S. Transportation Command. 5 P& ]. Z E) }8 u% qUSCS U.S. Customs Services. USD Under Secretary of Defense. " V# `' c3 B3 S% G: {; k& o& uUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). / w2 D/ A3 j* c; UUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO 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 5 ^) b7 n; q. I; b(hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. \# q1 j; q: _5 S8 z2 NUser Operational Evaluation System (UOES) ) F/ s% R9 D. o6 s/ NPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and 8 @) Y! T- ]5 [9 otraining for a system proceeding through the normal acquisition process; and (2) 7 m$ X% S4 D i) ]3 Xcontingency defense capability should the need arise prior to completion of the 7 e$ [$ @1 `$ s9 |; q2 E4 jnormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ' B( a% e9 R! ?: ?; Z2 D- tUSFJ U.S. Forces Japan. & Z& p9 a/ q/ ^5 z) U3 d1 K+ V6 ?USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 c P$ m3 l: z1 f6 l5 R' MUSLANTCOM United States Atlantic Command (Now see USACOM). ' o$ j3 S3 `: ]USLANTFLT U.S. Atlantic Fleet. # C) r9 C' ~5 l/ t) aUSMAR- 1 \/ v& Q& C- [FORCENT C$ I9 r9 Q( ]& Q* S: jU.S. Marine Component, U.S. Central Command. # t$ K: c7 m2 Z3 LUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. # Z; G( k5 a8 w7 H( e8 d6 h# }; CUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. 9 ]6 E& V! M/ H# sUSMILREP U.S. Military Representative. + e/ O/ X, Y0 hUSN United States Navy. 1 b, y. t8 b6 M L5 P5 PUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. 6 n( t2 k% T; Z# a0 IUSNIP U.S. Naval Institute Proceedings. 2 L! G( z$ b( ]- k3 bUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. 2 m/ y7 M9 B& A+ c4 l% zUSPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. 8 D( B4 g3 w) D1 x9 r9 rUSPACOM United States Pacific Command, Pearl Harbor, HI. 1 d/ e; i6 f0 b X. xUSREPMC U.S. Representative to the Military Committee (NATO). 1 q) b( S w2 g3 g: mUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. ' @2 }. S. b% ?) ^) J, y0 i0 PUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. 4 p# ~' ]6 ^# v4 s. W9 eUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. 6 _$ r) W9 K) e$ e1 cUT Universal Time. 8 h( C o1 O8 o) d3 H- YUTC Unit Type Code. ( G$ e; \' L+ w/ S* X1 ^5 n/ d! }; QMDA GLOSSARY, VER. 4.0 U 315 " h7 F6 n( [, j2 U2 `- M. `- a9 wUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- ) k/ d8 ~# Q" c: V" xOptics Technologies/techniques employed by optical sensors in the wavelength , E+ K3 o, u0 x) Y% mspectrum shorter than visible (e.g., less than 4,000 A). # U+ T- P, V& E3 ~3 Z$ V! \+ |" bUVPI Ultraviolet Plume Instrument. - m* G2 a m& x4 P- {/ hUW Unconventional Warfare. , V: U- t# k3 e. EMDA GLOSSARY, VER. 4.0 V 0 L/ M9 t1 J$ h4 M) u, G# F# q& |316 V Volt. * g2 U0 G2 y8 h! n0 P1 ]V&H Vulnerability and Hardening. 0 r) t. _) v9 X' w) UV&V Verification and Validation. (See Verification, Validation, and IV&V.) $ j ^" s4 J# ?: _1 i. j& JV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. : d1 Q9 h+ g+ g! r' A! FValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, - N# Q+ A+ a$ ?- @( M' Utactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. 4 o. V5 x; M( @- v+ a% W! D& `VAR Visitor Access Request. * z1 a4 l; i* f+ oVariability 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. 4 \$ I# c. O+ T. ?* y( Y: t- i) zVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. 2 j; c# N1 M) `9 v& Y3 v* r3 @VCS Voice Communications System. Y0 o T* L5 P9 c WVDC Volts Direct Current. 1 L7 w& i' {! f1 @/ TVDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. , L/ I# C. ]- C' U) ]- g, WVECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering ; O. W5 |5 C% z6 j6 Lrepresentations of a T&E resource accurately portray the characteristics, ; z7 {4 W i! s* p a8 Q+ ocalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end # c* g- c6 _- ? ]. \of the development process to determine whether it satisfies specified , a" ~& g! g$ `7 ]& Prequirements. VESA Video Electronics Standards Association. 9 `' u0 U9 x- LVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). ( I& {5 U, Z- h* u2 XVHF Very High Frequency. - V6 o0 R5 d* A; wVHSIC Very High Speed Integrated Circuit. ( ^6 x9 h" o* i: O% D) W# ?# DMDA GLOSSARY, VER. 4.0 V 2 t- v5 [0 O1 u$ |1 m" X Z$ p# d, @317 VIDS Vehicle Integrated Defense Software (USA term). $ f6 u- P6 z, ?& p; sVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 & G2 w# L; `0 G+ M3 i F5 zOperation Per Second (OPS), using a mixture of experimental three-dimensional ) M: `2 Z% D8 Ocircuitry 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 ! f0 W2 \1 o" U1 p' [5 sprecision-tracked with the ANTE processor. & g$ ?0 O2 l+ y2 X5 ~: JVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. / E* U! ]/ e {- X- `* C- v$ pVIS Visible. . g+ F% l* n1 _ x( z' B/ _VIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can just 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 1 R: n: ~3 L: n( z' ?$ nexceptionally 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). ) x& u1 ^( q2 n0 X eVisible 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. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. 4 I4 B% Z+ n6 e3 {2 Z! y% ^ GVRI Vanguard Research, Inc., Fairfax, VA. 2 k2 J9 k4 Q, f, Q fVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. ( R/ I& p, D% k" q! B' |MDA GLOSSARY, VER. 4.0 V & y7 y7 W7 |# v8 N) z i2 h+ O. t7 [318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 W/ With. w/o Without. 6 w! |. @2 I: ]8 M6 [; `. _W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. 5 a- b+ U4 t; jWAN Wide Area Network (Telecomm/Computer term). " N* Q; F% G, t, |WAP Wide Azimuth Probe. ' f% A5 u. |$ j; a# i0 AWar Game A simulation, by whatever means, of a military operation involving two or more % B* [# u1 W0 c( i% G9 H0 yopposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and & h% R2 `: R( k! ~! u9 w# B: m- J+ J# q" ^assessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, / z$ P. ?" G% t2 cairframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related 0 V) m+ V9 S; z! s' E5 }% bcomponents. 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. 3 D" {( s- b- R" BWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). 3 L& `( `8 `4 z9 U- j( N# XWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve ( t3 T5 C, N+ w# RModes (WARM) Characteristics and operating procedures of sensor, communications, navigation : F! @; n( b9 y; kaids, threat recognition, weapons, and countermeasures systems that (1) will 5 p9 k$ Y9 Q% C) {! ^contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. ; k h8 ~! z- E; ZWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 2 f4 o2 D1 q! b+ d0 J320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective ' _, o# X6 c& P' fin contributing to the defeat of the offense. Watch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 8 A1 v+ o4 k' ]+ Fto watchfulness without raising DEFCON. 2 ^( K/ m$ y. r% s! RWATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. % m5 c3 H: L) d+ `4 X6 qWavelength 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. ! }2 T; ]8 j. V" C* L- [WB Wideband. WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. % I- y& @+ J. G( e5 HWCC (1) See Wing Control Center. (2) Weapons Control Computer. 9 a( g/ A: r- C, S& V8 t( pWCG Workstation Computer Graphics (Computer term). 9 h! K" }2 F: w6 SWCP (1) Weapon Control Processor. (2) Weapon Control Platform. ) T2 m7 Q) ~ _) E) U/ X t! DWCS Weapons Control System. WDM Wavelength Division Multiplexon. $ `8 ^7 m x/ z0 Q, T/ q% lWeapon Enabling The set of control functions without which defense weapons cannot be 9 |2 a, w: Q0 [2 T% r2 I+ wlaunched.