航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 6 _+ m* G6 o c/ J5 JTheater Missile / e( y |0 u/ g7 }" jDefense Council (TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for ) K1 D K7 z& M/ YAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 1 ^8 F% S- F& L% m! Uand Program Managers. Theater High Altitude Area Defense System (THAAD) ) F) a t* T" OA ground-based, air transportable interceptor system that will provide wide area : R: ]7 X7 @' K* n' {+ rdefense capability by intercepting longer-range missiles at higher altitudes and at 2 ~0 H+ \2 @# @* {/ Z Egreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. 7 s8 D6 d3 k/ J. r+ lTheater Missile ( `- N# C0 r2 n- a(TM) A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. Theater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area ' m! C1 a8 ^* E+ f* i w0 W" |$ r4 [# toutside the continental United States against attack from short-range, # q3 C: _# ]: U( o0 }intermediate-range, or medium-range ballistic missiles. ) T' G) K& j3 |3 N+ nTheater Missile ! x! t8 T! b8 TDefense Ground- Based Radar 7 X1 D% z% v7 `! @- h% z& G( T(TMD-GBR) 5 N* c% Z5 }4 m: Z7 RA ground-based, air transportable sensor that provides search, tracking and 8 M! }3 g3 W" ddiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile Defense Initiative / e" ~- e Q# I) y- L(TMDI) 8 w. N- b: F4 l; D3 j: IAn initiative under which all DoD theater and tactical missile defense activities are 2 W; {9 e1 B7 _) ycarried 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. 8 P/ @0 U6 ~# U- rTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of ' z3 K# u+ ^+ Othermal energy received per unit area at a specified distance is generally 7 g/ t& D& ^# a9 L4 j, lexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. 2 {4 T# R; `4 x. o1 ]Thermal Kill The destruction of a target by heating it, using directed energy, to the degree 9 E2 S! n( B$ ~that structural components fail. / k/ _# w E, f4 u: y/ C# bThermal Management 3 t& N' U5 |5 | \3 mTechnologies/techniques associated with the control and management of 7 g1 l2 n5 ?, S" sthermal energy, its generation, dissipation, and recovery. W4 f8 M2 @; h, `/ z" c0 A9 Z+ | B7 p5 fThermal Radiation 3 c, }' |# q8 x- E# @" @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. 8 u# |) P6 O( ^- |/ |. w iThermal 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 0 N: U e* G6 K- ttemperature; it also is referred to as the primary thermal radiation. It is the absorption of this radiation by the ambient medium, accompanied by an increase 0 U- j# c5 o( a1 C& win temperature, which results in the formation of the fireball (or other heated 9 X) ?7 W. |/ ]5 I, O9 Aregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T ; f* g% ~4 \' k4 H5 W/ g299 $ P6 E9 w' g5 ]. A. e P$ N" [Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 2 A& E0 k' g0 h. mit is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 0 K- v' M, l. [% W8 ^5 ]. ]exosphere and most or all of the ionosphere. : u" Y% |5 r E- m5 L+ G! [Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. ! b7 N# s# a; x9 i" f8 _2 `Threat Corridor 1 t# H( e6 B. `( X, k% N(Threat Tube) A tube containing all the objects originating from launch sites and aimed at " b8 u0 }" y4 L" }6 Itargets whose spacing is close enough to permit the tube around the object " R/ ]5 H& t9 h1 p/ {1 N8 ktrajectories to be represented by a single trajectory in battle management ' o% \$ A \" l: j# Rcomputation. ' D8 a, t4 F( X& VThreat Scenario A hypothetical example of the employment of threat systems against ballistic 4 a- r3 f" x3 fmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. 4 ]) O( c7 v1 \1 `Threshold Performance capability or characteristic level in terms of a minimum acceptable ) s5 \) C d7 l8 V3 {value (threshold) required to satisfy the mission need and a performance objective. 2 Q% q6 N* j1 O: d. CThreshold Defense W+ C( Y+ P/ Z1 J6 OA 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 # A; Q+ }+ c5 \) |* ~3 I! [$ `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 # n' n/ ?( V( Q$ A3 dReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to 1 _0 ^. v' K/ Fchange the decoy’s optical signature to resemble that of an RV in the reentry phase. : q4 R& a! n9 c3 R' a' J, ~( LTI (1) Technical Instruction. (2) Technology Insertion. 9 E( O1 ^2 ]. C3 iTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. ) l: g X. H3 x(2) Tactical Information Broadcast System. + `/ A, [! U2 f) L! D7 |5 H! N2 K1 g(3) Theater Intelligence Broadcast System. 1 q s6 h4 M( Z. o, cTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. 3 ]/ \$ ]2 T5 b4 A6 Y$ RTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 9 ]: N& E* N" [Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. % N. R# g1 E' ]. U, D lTIES Technology Integration Equipment System. & A$ V/ X4 H; M7 Q9 VTIIAP Telecommunications and Information Infrastructure Assistance Program. + x- B" ~5 u' Y/ t4 f2 xTIL Technical Insertion Laboratory. : B7 p+ c, Z$ l& m6 R- h( h! ATIM Technical Interchange Meeting. , \, Y$ N3 ~$ a. w9 WMDA GLOSSARY, VER. 4.0 T ' U, g& [" ^. `0 n8 ~300 Time-Phased 5 b8 n: ^8 V4 m5 V* TForce and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual ! U. ` I9 i& X, k& |units required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight . B- o/ v3 g) r- m) D(Max) ) s I2 T' L% H, H4 m" i) |The maximum time for a booster or vehicle to perform its function from time of 0 F5 H8 `* x3 u# Blaunch. Time on Station The time the sensor is in its operating position. ( R, ]' c9 j3 h0 |5 eTime Sensitive . u8 l6 Z, X8 |7 F+ Q, @/ @1 }Targets " p) `8 K# }9 _0 ?. H3 RThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, 8 g4 e" V' p7 P tfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. 7 X6 x; I( ?: s2 YTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. / i8 X1 n1 k8 ]# ~1 ^TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) B+ Y; f4 u8 p" e+ dTIRS Telemetry, Instrumentation and Range Safety 1 O# b# @: m# A- B/ t. i" OTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. : r/ a4 o J/ D4 [Titan USICBM. + g2 d% W. O* U& q( v) _$ f. ?TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. ) h9 s/ K4 O4 wTLA Time Line Analysis. ! z+ H- p6 \' H7 L1 zTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. / T! |! Q+ r ?% tTLV Target Launch Vehicle. 8 P2 y O7 |. |; Y: mTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army * z* ]8 @2 E, E7 wterm). : U& A, e6 ? n4 KTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. ( x1 M# d6 e9 P. w- i( NTMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 7 E8 x' z4 T+ S301 TMD C 5 b) Z, A4 |9 k' A$ H3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). * l" l( e" L5 i# W$ K0 l9 uTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). / W+ z$ n# Y1 C7 [$ }4 r+ ?& TTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. ; r( M7 R$ ?; S9 F5 M0 KTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 3 ?* y8 B- c7 {$ G8 R( `. LTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. $ Z0 S7 A7 E( o- WTNT Trinitrotoluene. TNW Theater Nuclear Weapon. - r. m2 X' G6 p$ M* o& L) E# YTO (1) Task Order. (2) Technical Order. 5 I$ Z E$ u( b; ]3 a( rTOA Total Obligation Authority. ( w! F1 B9 w( y* MTOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. y" x+ Q$ H$ z5 y! A1 O5 qTOF Time of Flight. + j8 _, e* C4 p) M! ?TOI Track of Interest. - B) v) m2 N3 B5 Y. T3 u8 WTOIA Task Order Impact Analysis. _! B. B0 ]2 A3 i' v" g; h1 iTolerance The ability of a system to provide continuity of operation under various abnormal 6 c) F7 T( e' h% s! a" y1 h, D& b D @conditions. & P' V7 B3 N9 ]: [. F2 z* D2 C; kTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. 2 N3 U: ?5 Q9 F3 ]MDA GLOSSARY, VER. 4.0 T 6 m: X3 \! k, l1 g302 TOMD Task Radar Management Details. & ]9 g. U' r/ y& }TOMP Task Order Management Plan. & M# M7 x8 k3 MTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a - D" W6 m' _" c4 M: B9 l5 ~7 nhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. * z; a1 F% J$ O+ W( \Top-Down + c8 d' {" ?9 @6 _& N( ?Design % l( M6 d Q! l! D) U( HThe process of designing a system by identifying its major components, ' u) f# g3 u5 b* u, j, M5 wdecomposing them into their lower level components, and iterating until the desired level of detail is achieved. / G2 b8 t/ N, R0 e, J. Q8 m" w. LTop-Down - p& Q) t! R X$ E' BTesting 8 o6 ~: ?/ o' ~4 AThe process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. $ U: ?7 }- x6 X5 YTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. ( I, \, m5 l* GTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation 6 a7 c( S% {* |0 l- J8 mAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. . n% G3 @9 I7 \$ ATotal Quality 8 x% J' d; j+ H1 yManagement (TQM) . _3 D% M& E x, s$ ?A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. ! x0 V5 U6 e/ A# q2 D. s ]+ tTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Z; Z3 e) P1 B7 qToxicity The kind and amount of poison or toxic produced by a microorganism, or 3 z. s4 V! r7 n$ H0 E! mpossessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ; @" X3 y' O. [! ?1 nTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). 2 j/ R2 n$ a6 MMDA GLOSSARY, VER. 4.0 T ' w! I% Y! O# @9 D- X% I303 TPEC THAAD Performance Evaluation Center. 2 }+ @ D( ^' k# Y7 {4 ]0 z* nTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. ( U. m, }2 Z+ M8 X; X# x5 VTPFDDL Time-Phased Force Deployment Data List. : N0 H- n% a/ f8 r* L1 ^TPFDL Time-Phased Force Deployment List. + P; s, \ S) o) z" q4 @TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). 0 N0 w" m7 X, S+ q8 X! ]" Z+ I! m' ~! cTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. + u8 H) {# T. \TPT Theater Planning Tool. $ N0 D' E a" F; Z lTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 9 N2 w, k3 b$ g" B5 d) s/ MTraceability (1) The characteristic of software systems or designs or architectures or 3 O+ W* T" ~: d% idomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and , F8 Y' q1 `6 G6 A' Y. mconstraints. (2) The degree to which a relationship can be established between two or 6 D& B3 s/ Z3 }3 Q- omore products having a predecessor-successor or master-subordinate 1 e3 U& z8 A- [( i1 F, @relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 5 c& c9 v4 y4 y/ s) f- \(2) To display or record the successive positions of a moving object. ! K( ]' g& f1 w) g' ?: {" y" E(3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating ! o: O5 t! _! n8 f$ C/ Pinstrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track ' |+ r: Y" Y8 L3 I; DAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly 0 ~+ p. o& s0 U. [in the track may indicate a hit. 3 F& F4 L5 H, C$ Q* I, x; ITrack, Birth to Death The maintenance of an associated track through all phases of flight (i.e., boost + M6 ^$ n, a# W% }/ ~& Nto reentry). Track Correlation The combining of track information for identification purposes, using all available 8 \) B2 P p" a" o- ]( ~: ddata. 6 [" Z' O+ p% i/ R* b. R. hTrack Extension This term usually applies to improvements in track estimates by use of new data. / b$ O! e$ l9 M) M, h( l- |It is sometimes used to describe a process of target extrapolation to a future time 6 i! O7 v0 @" T7 d. ]; e- j. X" Hor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 304 ) M) E2 O" k) }5 ?- HTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of " ?- @4 l8 o" N6 i: P$ vthe above. 0 Z+ ~; k) |. k9 iTrack File-Track + o! ^: _& K9 _) i8 Q& uHistory A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. ! b1 x4 b9 Y* M( }Tracking The act of generating and maintaining a time history of an object's position and 5 P, K0 ^* f9 ^) D* cany other features of interest. Tracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is 1 b3 ?9 g$ ?8 W/ i5 u M, nsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing 2 J4 V" C' H& x' C- {are frequently integrated operations. 7 }2 T0 ~; ?9 fTracking Range y2 G5 K, s2 j% }(Max) The maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of frames. Track Production 7 M4 m9 W) _/ r+ G \Area An area in which tracks are produced by one radar station. ) N. x1 v& Y: S4 P, yTrack Symbology Symbols used to display tracks on a data console or other display device. ) ^# t! F3 h* C. ?/ NTrack Telling The process of communicating air surveillance and tactical data information ! E9 W* ~) i9 Y, L2 Gbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; ) R4 [3 y7 P2 }- C* {/ M8 Rlateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. ( |2 V8 r: J+ F9 K1 u0 J) m; r# Y! nTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability * ^+ E8 s4 H% k; J) i2 n; c* C5 EMaximum 7 Z1 p5 N& X& N2 m2 L; }The maximum number of objects per unit time which the sensor system can maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. / z3 e+ t4 H( E, TTrain Threat geometry with objects placed in a line (string) along the velocity vector of 8 @+ `0 l1 t+ A( ~/ mreentry. Trajectory The curve described by an object moving through space. Trajectory Histories / O3 ^1 x/ _/ a+ e/ @5 KTrajectory information on targets recorded over a period of time. ' m+ N. x: ^# w3 u0 XTRAK A data base management system (not an acronym). - U$ q8 s$ k* A, }8 r' s" x* VTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. 7 X4 [7 a) |7 t3 t/ _9 Q& uMDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. 4 G5 A( Y; S6 [TRANSEC Transmission Security. 8 j8 s: D1 N" Z. U9 aTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 3 ?: c# `0 d, d. S; `Transition to Production ) P. W8 L6 h9 T* b5 kA 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 ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security (TRANSEC) * ~: |9 a- q( C% K( t9 A; EThat component of security, which results from all measures, designed to protect $ D0 g' j6 ~+ tcommunications transmissions from interception and traffic analysis. (See : b& Q1 ~& D8 V! N6 OCOMSEC.)

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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 ; p$ n! k- p5 [ h1 Aencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. ' h, B8 ^# `! e& Y$ R: {9 \5 KTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. 9 y9 D, d% A$ R* {$ |Traveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in 7 }0 w( h- w* E' q& Rsynchronism with it, in such a way that there is a net transfer of energy from the : |5 z& O; L( estream 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. (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. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. & x2 d A8 g0 i$ w1 ATRD Technical Requirements Document. , s9 m. F- W: C, L, m9 `% w) C/ XTRE Tactical Receive Equipment. $ O% G; L4 y- f2 NTREA Transmit/Receive Element Array (THAAD). d. {. E. ~4 t0 o3 g$ J6 m3 cTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. # j) }% `3 A* ]* VTREPS See Thrusted Replicas. 2 F3 o$ S3 K( R. b" K& D+ S/ e+ kTRESIM Tactical Receive Equipment Simulator. ! s2 v& i5 @4 I1 sMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. , l* g8 i4 {+ ~. B3 pTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 8 u0 O. i# ~5 B, N4 o6 E4 fTRIDENT I (C-4) US SLBM (USN term). " }$ G1 Z+ H |( g5 r, J* v9 |TRIDENT II (D-5) US SLBM (USN term). ; V4 [" x# Y* gTRIM Toxic Reduction Investment and Management. ; I* J X/ J- T3 LTRM Technical Reference Model. & N0 m" o+ `, N+ E+ i4 o0 DTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate : P1 Y) U3 @8 r: iauthorizations of the invoking process to the detriment of security or mission performance. # j) {: p4 M. c: X7 W' qTROPO Tropospheric Scatter. ' A/ U8 y- `3 i; I' V @# ]Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the " ] ~+ F6 F8 M0 ^; g- M8 x+ Aatmosphere, the troposphere. The tropopause normally occurs at an altitude of " k7 v/ J" }4 E& E, ?$ dabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the ! }+ i. U2 H% c% D$ i2 mtropics. (See Stratosphere, Troposphere.) 9 s+ c. d% F* l( jTroposphere 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 I& j( q& J: `1 W' Eless complete. Tropospheric Scatter 6 d! ^( B$ n" A G% tThe propagation of electromagnetic waves by scattering as a result of - |, C* X0 M! T' `3 I8 Zirregularities in the physical properties of the troposphere. $ c6 G9 f) |! ?% s/ e# ~TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. X& H! M# q2 O(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. * O* b4 \( L- ?1 L* iTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted * x4 |" O# N+ ^- f+ RComputer 9 D) d/ a- q+ M3 N; l; kSystem/Software A system or its software that employs sufficient hardware and software integrity 2 z4 M$ l9 H' p5 i/ |measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 T1 r9 ^! O) R7 O( F W$ p$ lTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. & L# w+ e. i6 o C: U" A' w GTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. $ Y6 X5 [9 B7 ]+ VTSEU Technology Seeker Evaluation Unit. 0 M: M; [0 m1 J a$ G$ {. Q; ^! cTsIAM Moscow’s Central Institute of Aviation Motors. 4 a7 f n! Q- @ M1 a3 uTSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. % V3 D6 b0 R. m A+ KTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. ' _* _ `* E1 B# I; u9 @7 \TT Total Time. . S- z3 v6 i4 u6 S. ZTT&C Telemetry, Tracking and Command. , z8 I' }* a7 r8 KTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. # x y! [3 U) L% x9 HTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, 7 C5 I, x5 f* i, awhich have significant potential for improving testing. 6 `( a, O* M0 u9 x) j( sTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. ; l7 q p' w' vTTSARB Technology Transfer and Security Assistance Review Board. W" o1 B& R; z) V, S) lTTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 1 m2 u( ^% Y) g! I. F5 t% YTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). / z8 W! [# U+ OTVC Thrust Vector Control. TVE Technology Validation Experiment. ; A( x8 r! n2 l DTVM Track-via-Missile. : ^9 x! @( R, U, A6 pTVV Technology Validation Experiment. TW Tactical Warning. 2 w: {! ?: U" n' @0 {TW/AA See Tactical Warning/Attack Assessment. + [ P' A1 J+ y4 DTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. 4 C% v& y3 i3 H UTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ; |4 Y) I! {8 ^9 n% U% G7 WTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System # r; I2 u- C% K8 ZSpecification 4 `$ A! U' ]1 f8 ]4 b2 ?0 }' i( GStates all necessary requirements in terms of performance, including test 2 {3 V2 h8 ]- J9 Yprovisions to assure that all requirements are achieved. Essential physical # L- U$ F2 N2 [ y. uconstraints are included. Type A specifications state the technical and mission 7 T. z8 M8 H+ c4 P) h# b/ G$ R- Srequirements of the system as an entity. Type B - Development Specification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the & N2 a, _7 ]. d# g( d5 Qdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of * |; K7 ?0 E9 H" ?those characteristics. Type C - Product B+ v7 A! G& {2 W' w4 F+ K+ LSpecification $ }/ M; K& B" O9 R2 xProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of & G! v: g |+ T% m& bprimarily function (performance) requirements or fabrication (detailed design) " ]8 X4 x X# @5 j" H1 ]! Wrequirements. Type C specifications intended to be used for the procurement of 9 _% l' S- o# R- v5 N" ?7 ?9 P( \items including computer programs. & @9 K: J! \* C) pTyphoon Class of Soviet ballistic missile submarines. 5 Y- b/ N3 K% [" t6 BTyping 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 3 E! G, c6 o& Z$ e# B; f) Tobjects (i.e., SS-18, SS-24). 5 A9 X! F( s y2 B. J6 }9 q7 OMDA GLOSSARY, VER. 4.0 U 6 q1 U. Z1 S7 J! d: n309 U Uranium. 2 q& G) I- |. L9 e& jU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. & P: x5 ~$ p& ]* f; y8 n# X. hU.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. * l: V4 L( J' h1 ]7 c/ ~UA User Assessment (NMD BMC3 term). 4 i2 x0 S7 \2 Z' ^ G* qUAE United Arab Emirates. 8 S+ o1 ?$ n' V1 |8 K. ~UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. + V* v, S9 R4 `9 `# \2 z* B( [UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating " d: v- [- c* n2 kand coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the y- Q2 [( U ^+ vProgram Introduction (PI) (also called the Program Introduction Document (PID)), 0 ^" D, N" U& r$ r6 Z2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) $ y" l; R% Y" x) M% U- cOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the # q: z0 V2 i( B: ?Operations Directive (OD). The UDS was developed and is regulated by the 2 A5 o8 m; D* W/ t( o8 L% [7 ^! ~Range Commanders Council (RCC).

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UE Unit Equipment. 6 T! {& w# {* Z% P' z/ @( J+ N( ~5 F HUEME Unified Electro-Magnetic Effects. . B& a4 E9 W7 \& F! l6 UUEWR Upgrade Early Warning Radar. 0 Y( v) K4 Z2 Q' j, ?. _ EUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. ' `) L) b. Q7 F% GMDA GLOSSARY, VER. 4.0 U 6 X* E- U2 r m" ~# S9 g310 UFG User Focus Group. * n0 k9 Z: H; {' RUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. - R3 I- h4 P! u/ s7 R5 M# A: s3 GUGS Unattended Ground Sensors. UGT Under Ground Test. " J" K+ b9 Y( N0 B- }; A PUHF Ultra High Frequency. # S6 q& B) }3 S- yUIC Unit Identification Code. UIN User Interaction Node. % v) I! T. n" a5 h5 G" \2 G: `UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. % o* Z0 z- ]3 R: Y, SUKTB United Kingdom Test Bed. 0 v. `" s4 _& S3 e5 g) K1 dULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. 0 U0 D2 X: ?) U+ R" rULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet " b- i, y+ \3 H* ^; g3 ?(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). : Z$ U6 {. f* W6 Q1 XUMD Unit Manning Document. & l/ c1 W. O, S. _. e- tUMMIPS Uniform Material Movement and Issue Priority System (ILS term). : _! L) y& x; q6 R- g2 fUNAAF Unified Action Armed Forces. ! s- A+ T- f J: X0 a$ lUNC United Nations Command. Unconventional Warfare % ?" k- Y' L& `4 x6 ^- @A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 1 J( j$ c, P$ {includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, 0 ^ L- a' k/ Vcovert, or clandestine nature. 2 W0 D" K) w2 B5 {: c$ _0 Z7 t2 ]Unified Action , G( q4 t* f/ pArmed Forces ; d( ?" p' O2 ~! r5 X# i) V7 RA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or * b5 V/ d: n1 y! pmore Services or elements thereof are acting together. . C, S& H _0 IUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and ) H! D( K% W; z& ~, o. Xwhich is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 ( p ~6 }1 r B0 M( [- L* l, rUNISYS UNISYS Corporation. $ o. [8 `6 j8 \( ZUnited States Army Space Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. % K; H5 P) q/ S4 eUnited States Space Command 6 Z& t* R9 k Z# `* @9 V(USSPACECOM) 5 u9 z8 T7 n1 T" n5 `3 ^6 t" TThe unified command responsible for planning and conducting ballistic missile % w0 I6 v$ h# c9 ?% x$ ~' ~defense. Located in Colorado Springs, CO. United States Strategic ) ]4 f' f: n2 _) F7 |6 b# rCommand , E; r$ a0 z$ j' Q8 B(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. United States * u7 h+ G' L& i$ TTransportation * r( _* f% |1 t" R) B8 Q4 B% o* ^, U" ]Command 4 ?3 w0 I* e% \8 m5 `9 w3 z; T) S" h7 d(USTRANSCOM) 4 P+ g+ r& N+ A7 LThe DoD unified command responsible for providing air, land, and sea 8 z! O. g/ I" @# Q; itransportation for the Department of Defense, both in time of peace and time of 5 g* t6 ]4 k! u/ R6 W3 h# F7 P" Owar. It is also responsible for providing airlift, sealift, surface transport, and 0 Q* ^: q* A0 @0 r; |terminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces / K, \. C7 C" E5 s5 v' Don a global basis, as directed by the Secretary of Defense. Located at Scott 4 t- F: r3 J0 K* w2 f1 e/ fAFB, IL.

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Unk Unknown. 7 e( |' N+ T/ o2 lUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be 6 c% ?8 |$ m# V3 y! J' P, Lindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. 1 \; x. p' S$ U3 [UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. 6 h$ Q# z/ |1 M7 OUPD Unconventional Passive Discrimination. ) y. X( Q& T2 kUPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). ' N, E1 M/ f# _5 c: i! S* bURIP University Research Initiative Support Program. ) Z7 y8 C' T, H$ ]& u. q, G: rURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. : u8 ?; S' t: R4 h1 ^USAADASCH U.S. Army Air Defense Artillery School. 9 A5 s. e; E+ JUSAAE U.S. Army Acquisition Executive. 4 o' c, a! B, m( M; q* Y5 fMDA GLOSSARY, VER. 4.0 U 0 {6 V0 _% N; i+ H, T: B312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. ) x+ s! f+ w4 s; w! Y& vUSAF United States Air Force. % w# b8 O4 c6 ~/ v$ t1 L* e" kUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. F5 d3 a! k+ H$ B" e' @USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF & {# y, A, W) I: z9 h. {* t) l8 xSystems Command /SSD. 3 e# f: c0 P! b% |9 c, x% N$ @USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. 7 b7 |* E. e# a. S6 T( t' N" YUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. $ f Y" ?; a ]& PUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. / q- H8 u) O3 F! @! qUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. / q9 C c+ R3 w$ g4 SUSARLANT U.S. Army Forces, U.S. Atlantic Command. ( S7 i+ s9 S6 E: SUSARPAC U.S. Army Forces, U.S. Pacific Command. 4 n4 p+ \8 ^ ?0 {USARSPACE See United States Army Space Command. ) G! s+ N, i, W2 M/ P9 SUSASDC U.S. Army Strategic Defense Command (<1Oct 92). / U% {# O F* P3 a' TUSASSDC 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. ^, H7 i. H# ]USB Upgraded SBD. r# @4 B l7 a6 I$ {* o7 |; s" _USC U.S. Code. ! G S8 J; F+ D H' F) eUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. + J8 A: l" {% _0 H% YUSCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. 8 J" b, M' Z3 X9 ]USCINCEUR U.S. Commander in Chief, Europe. $ |* ^. y. v3 G) E) C2 T' AUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. / x3 V. v5 w$ V9 I- G& F( j& ZUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. $ ^6 _' S( I0 j7 ]# o) Q0 fUSCS U.S. Customs Services. USD Under Secretary of Defense. 1 _) n5 T# E; @USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ! b2 q E; ^. C ` SUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. " {# h8 D5 ^+ k5 ^% g9 Q& x9 X2 `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. $ R8 Q/ Z u" f( qUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation System (UOES) 6 S9 M; ]+ p" [Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and 4 v. Q& ]9 v0 A2 w( k( }4 G; ltraining for a system proceeding through the normal acquisition process; and (2) ; g3 M$ P% g2 k- X( W0 Bcontingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 3 F# p, J2 t& ~) }$ q8 T, E* n YUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. 0 h( T3 N5 `" `3 v3 iUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 6 P2 s7 @' U1 z4 f8 u& ~& U314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. 4 @3 H" S8 g7 O" @+ VUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. " u5 \. Q S4 }USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. # a" u* o1 H' c8 @! s4 yUSMC United States Marine Corps. # s/ [" d6 Z) X1 l; ZUSMCR United States Marine Corps Reserve. 5 h1 Y$ b5 Y$ s& |+ O; o& P! iUSMILREP U.S. Military Representative. USN United States Navy. % T: G$ J1 B2 U0 b, H7 VUSNAVCENT U.S. Naval Forces, U.S. Central Command. " a, W8 X2 S5 O) w* PUSNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. : r" X7 O9 Y3 yUSPACAF U.S. Air Forces, U.S. Pacific Command. + ?4 B; R" W" J* YUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). ) r- b% T0 U L- sUSSC United States Space Command. 5 u, G! B. U: u3 v7 x& O# RUSSOCOM United States Special Operations Command, Tampa, FL. % D" m) j0 Z9 Y8 d% s" J/ jUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. 1 m; u" v" T: T7 P5 f, o4 qUSSTRATCOM See United States Strategic Command. USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. ! _) r: M6 h2 {5 Z qMDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. ' I* T. @5 h n" }! kUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). ' \) `$ R' V0 ]+ M0 q- ?7 L) S" U! f* WUV Ultraviolet. ! ]2 \0 v. m2 e( [: y: ~UV Electro- : _: K7 ~5 d2 B+ t3 [Optics ! Z+ }4 J, N, K: HTechnologies/techniques employed by optical sensors in the wavelength ) U! F, R( j& K- Zspectrum shorter than visible (e.g., less than 4,000 A). 1 @' _# V6 R, W" J5 q$ B: }4 xUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 4 t6 x J$ k! m0 L4 X+ L3 d316 , a, \1 U+ L; K7 r5 ZV Volt. / {8 h4 |) E8 J2 Z: s) q5 fV&H Vulnerability and Hardening. ; v9 @- W# X2 v1 K/ G5 P( \V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. q* H/ M) O. f# |2 }Validation Confirmation that the processes and outputs from a test resource parallel real / Z" w* c9 n: ~world processes and are realistically sensitive to change in the environment, $ O1 ] |& S9 z6 ~2 h4 V' ~6 D6 xtactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. % k, M: [. W. s+ } _* u: N/ I- pVAR Visitor Access Request. " | y* ]& n2 y4 s. lVariability 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 $ `: x4 q! `5 ]4 Hfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ! e7 E" n5 A2 P% r6 k5 OVCC Voice Communications Circuit. 4 c0 d( G; x9 q8 DVCRM Verification Cross Reference Matrix. VCS Voice Communications System. $ ]! m S! T. B# bVDC Volts Direct Current. VDD Version Description Document. 5 I) g/ }1 z( r7 T5 k. YVDU Visual Display Unit. * x. l" o( ~3 X2 t" i1 ~' u) ?) yVE Value Engineering. VECP Value Engineering Change Proposal. ; |3 E4 u8 Z5 d1 BVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, - C4 V9 {1 F8 z3 m' ]4 ~' mcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 3 Z4 I8 @( v/ Rof the development process to determine whether it satisfies specified 3 P' C( v3 y1 A! h* ~! urequirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). + R/ p: I# I8 y/ v7 G0 cVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 . K! v& o( [' Y, K: L% }0 @6 pOperation Per Second (OPS), using a mixture of experimental three-dimensional G' d! R: N- w( s7 I- v& G2 `circuitry and commercial components. Project also demonstrates VIRGIL, a 2 O) x& d O, O' o- t1 Kgimbaled airborne sensor with visible, experimental UV and quantum-well IR 2 J) j: K8 d- C4 X$ F' C Zcameras capable of tracking targets that can be detected, identified, and 0 X0 u$ K3 o2 A& U5 O. hprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. * w6 t- `% E5 i: dVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. " E( r; Z& ?9 _- q; l; x7 {VIS/UV Visible/Ultraviolet. ; L8 R" W# k) Q& a. h EVisibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 4 L% @; }! {. `8 ]& ]3 `just be seen against the horizon’s sky in daylight. The visibility is related to the 1 K! s0 Y# `; Tclarity of the atmosphere ranging from 170 miles (280 kilometers) for an # ]0 K/ n- t+ F% V2 |; Aexceptionally 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). Visible Electro- ; p) _3 }& ]& w$ ~7 XOptics 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. F8 x: F' K& x# q6 y$ L8 KVLOS 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). 7 u# i8 D5 [( cVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. ' C2 s- @! k, h0 \( Q: FVTOL Vertical Takeoff and Landing [aircraft]. / I4 S) n0 t k7 v# i9 _4 CVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. - E: h% g9 y. Q2 Y. Q# i8 GVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V , p( f8 z5 \: i" z" h318 Vulcan UK bomber. % r: j: `, }6 Z$ J1 X) Y! y tVV&A Verification, Validation, and Accreditation. 8 [; f$ `5 ?5 Y- u* \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. W/TD Warning/Threat Detection. WAA Wide Aperture Array. 8 j+ X$ c+ Z7 h0 ?7 ~' ZWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area ' J, o6 q3 V# A; E" R3 A J3 g- \Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). * R8 J. h1 `$ U+ mWAP Wide Azimuth Probe. 6 ?" u6 K; C( z- i7 cWar 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 or assumed real life situation. 1 }! v. g3 T& v' C$ p! d1 t/ A" }, lWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the * j) g! X4 H9 ]) dJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and 4 T$ B6 C, ~' ?( ^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, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related 0 s3 b% p0 L, N. p2 ` ^& f3 W8 Pcomponents. WARM Wartime Reserve Modes. 6 I# T. K7 a6 N( W# e v% lWarning 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). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve 4 t" c) o* @+ Z2 U7 K6 h7 LModes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will # K x1 N& e3 i1 X' acontribute to military effectiveness if unknown to or misunderstood by opposing 9 g, o7 l2 D* I; a2 D# jcommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for # \2 `' o) M5 Y$ nwartime or emergency use and seldom, if ever, applied or intercepted prior to such use. 1 p: L3 ]$ M/ t9 f' F8 n' z# c: IWAS Wide Area Sensor. / }" r4 L- P9 i1 e; uWASP Wide-body Airborne Surveillance Platform. A modified DC-10. . ~- U; _, V8 X+ d2 JMDA GLOSSARY, VER. 4.0 W 320 $ X+ f* n- a" uWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective " `" `. [/ g- z+ g4 |! f2 oin contributing to the defeat of the offense. - b0 E: [! M/ ^( ^$ L5 E8 PWatch Condition " J# g$ h- O. U6 P, P2 n) j) ^5 ^2 i* e(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 8 E& R3 V C3 c, SWATS Wide Area Telephone System. , |/ s8 S. Y, \0 e9 @# O% [WAVE Wideband Angular Vibration Experiment. & r5 A1 t+ O' b/ M2 M7 K% fWavelength The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). ( w4 Q' F9 S& M9 i; E3 H0 w }WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. - `* H$ p1 J6 A( l% |" IWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. WDM Wavelength Division Multiplexon. / P4 g0 ]9 |( a: m: r" YWeapon Enabling The set of control functions without which defense weapons cannot be * }- t C C, ?: ]+ olaunched.