航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile ! C+ Y% s& Y' rDefense Council ' s6 X" b/ w. s! P( Z(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for ( ?/ m, A5 Q @+ E" x% E. B" kAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 5 w( R3 C, V6 d0 Aand Program Managers. 0 k4 d& {1 P' r3 n( ?Theater High 6 l J' `3 y, u. QAltitude Area Defense System (THAAD) 8 F$ [, U) R2 S& ~! KA ground-based, air transportable interceptor system that will provide wide area . x! S+ y7 U8 V* Hdefense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. u8 w& v" p2 s$ A. B" eTheater Missile (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 % V; ^& P- G$ f& Q: ^. G6 q) Qof attacking targets in a theater. Theater Missile , K4 D3 A2 B. E# B$ u! ]8 ]Defense (TMD) & _9 b8 h) O* o* [ b/ _OBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, ) u+ g5 L" V, v. P4 X* }* Yintermediate-range, or medium-range ballistic missiles. Theater Missile 9 y, [, a7 O( ]/ v: }Defense Ground- Based Radar 5 u8 Z+ K; v) z- z X(TMD-GBR) 4 r* X: }( c: o* @) mA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 1 P b4 R# H! A) w, E7 |THAAD Radar. x3 o. ^+ X9 K- x1 I2 HTheater Missile Defense Initiative ' V7 h3 r5 a6 K- V: @: Q; a+ I- R0 z(TMDI) 7 b: g, {1 s7 K( }; XAn initiative under which all DoD theater and tactical missile defense activities are 3 u/ D. n% q% O" @* v7 Lcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 + c7 J" V) j: F8 H' D(Public Law 102–484) directed establishment of a TMDI office within the DoD. 0 o' X- O( z+ y$ yTHEL Tactical High Energy Laser. $ _" `. @. [: `& W3 KThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of l, ]/ Y6 t+ d6 K3 _thermal 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 reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree 5 z5 l' L; k. r$ ^that structural components fail. " U1 T8 I1 w, C, K$ QThermal ( G5 H& z2 v0 O+ R) ]* bManagement Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the k3 ]7 Y; y# l0 {/ R$ T7 `fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. 0 C8 e! x H0 Q4 m7 PThermal 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 ! F+ B% ^+ }9 }! `* b- rtemperature; it also is referred to as the primary thermal radiation. It is the 8 w( x+ R& Q' Qabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) : a6 A, }' C) e- q7 HMDA GLOSSARY, VER. 4.0 T 8 A0 A- E) W; L" _299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; ! p/ L O3 K. |2 {. `+ X( D1 P# Oit 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 # K3 V- ? Y3 [) n/ wexosphere and most or all of the ionosphere. S' Z- P8 Y0 E' T# g& tThreat Characterization ' A+ K# _& ?+ OAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 9 K2 R |0 M* A6 N a* w* ^(Threat Tube) 9 {% r8 b- B XA tube containing all the objects originating from launch sites and aimed at ( m4 \! V3 q& C* @; Vtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic 0 l. Q1 E1 r% J5 c, r- q" D) |missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance ) A7 G) {9 q8 qobjective. Threshold - M% ]2 _7 h& J1 i8 UDefense A defense strategy that concedes that the target can be destroyed at a price % N* Y. \0 s3 ` lthat is not prohibitive, but the presence of the defense is thought to require the ) o, {5 L7 G$ c% m- a. a4 Eoffense 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 v( R i% s0 v F% {1 O) G# yReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to 7 t1 Q: x. a0 ~( T& D. p" f7 {change the decoy’s optical signature to resemble that of an RV in the reentry phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. 4 Q# m0 i- x6 }8 [7 W9 J' m( wTIBS (1) Theater Information Broadcast Service. " _4 G! O) j& K0 {1 O8 t* a(2) Tactical Information Broadcast System. 2 j! `: P& T/ E(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. ! X; d6 \, e- a) _Tier An integrated set of SDS elements that address a particular phase of the threat % ?8 Y- e) d7 \/ }. [+ R(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. # s) f5 U# L6 `/ nTIES Technology Integration Equipment System. 1 P2 x/ _& t4 H9 \( b( GTIIAP Telecommunications and Information Infrastructure Assistance Program. / E8 y6 m6 \7 JTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and Deployment List & ~$ {- \9 l7 A, v$ v; SAppendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. & Y0 W: Q8 N/ c# I% X- [; T' d8 vTime of Flight 9 Q9 u0 ]/ }% d I' m7 i(Max) ; O: A* y! @9 e5 P# s! }5 C4 gThe maximum time for a booster or vehicle to perform its function from time of 2 y% k2 V# q9 E- k" Flaunch. ' W4 D K" s9 u6 O4 Z) T1 b) pTime on Station The time the sensor is in its operating position. & [9 s9 ^; d0 P6 L) xTime Sensitive ( z+ w# r0 x E7 m. j1 pTargets Those target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. $ b6 i9 @3 H$ M/ a2 \/ [TIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. / z; ?: s7 R& n( Y- ITIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar / o# U: W9 e1 {Terminal (GBRT).) ; V9 h4 ^( s/ M; ]7 RTIRS Telemetry, Instrumentation and Range Safety 9 X1 \) @, R5 C9 M* b9 O- [/ pTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. ; Q% d* s% W% tTitan USICBM. : }, B- P8 g# `- r9 vTIU TIBS/Tactical Interface Unit. 2 S' _: T$ H- i! b0 m' G* S2 }4 oTIWG Test Integration Working Group. (U.S. Army) $ @4 i. |5 S( r6 b/ wTL Team Leader. : G2 X0 W: a5 |) h' hTLA Time Line Analysis. % o* n3 v% N, |2 J( H% sTLAM Theater land Attack Missile. . R, C9 E0 ]; VTLAM/D TLAN [with submunition] Dispenser (Navy term). 3 @# _9 r# Y5 w: n# f. _4 B0 }TLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. ( d( O5 A) z5 n2 K, ?9 t. VTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army " K# n9 g* M, w" m8 E0 s# Zterm). 4 Q( ~4 B# l% pTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. 7 D8 @" z R+ U( m5 {! p2 mTMD C2 Theater Missile Defense Command and Control. 1 N3 {' Q6 ~9 CMDA GLOSSARY, VER. 4.0 T 301 + } S& w2 r9 Z; x: XTMD C " y! M+ R% M# u* y3 + W9 v) C( G$ X! U8 jI Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). ) f `* ^8 Z% l' k7 x' c$ k/ L# t0 oTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. / p3 v$ o" q# V+ PTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). " W2 F, T1 o2 K/ b) H$ C1 _: _! uTMDI See Theater Missile Defense Initiative. 4 \# U% `. P- a$ Q0 LTMDSE Theater Missile Defense System Exerciser. & q7 N0 @- e8 R3 ]TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. : w* H" K' j& y9 w5 N2 V" x4 FTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. " N3 G4 R( _% M: fTNF Theater Nuclear Forces [Treaty term]. 3 y! R6 O7 e7 a0 g6 U6 k+ B- MTNT Trinitrotoluene. TNW Theater Nuclear Weapon. / {2 W$ ^4 W$ o& oTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. 3 j1 T& e" c' g9 C5 @+ jTOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. , r- C7 H' s: a1 S j0 E: qTolerance The ability of a system to provide continuity of operation under various abnormal conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 ; D8 T8 p" O: m2 O! m8 D+ |/ O% u% BTOMD Task Radar Management Details. TOMP Task Order Management Plan. 4 M& x4 U) Y+ Y) J- gTOMS 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 0 G5 U! ?; I9 |% H+ ihierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. . d& Z1 L: a8 \9 [* ETop-Down Design The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the 2 a% T# Z" z X6 {; e7 z# bdesired level of detail is achieved. Top-Down % ^* Q: C4 w9 n6 Z9 ATesting The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. " s) g. o4 A0 y; kTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power # J+ B$ p$ Z5 u9 R: ftechnology to U.S. BMD applications. 4 d7 }! c) q4 z% i5 T* Q) H0 m, V) M* ?TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given 9 v7 X/ \& G4 r ]3 {, \: Nfiscal year. Total Quality ! a+ H& M6 \+ J% sManagement (TQM) ( p6 F* u0 h* T0 ]! F: A. oA management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. , Z b1 @" E, m% d a, d: Y' WTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. : D- O5 @( G, u" S8 JTPD Mobile Tactical Radar (US). ! r- W7 v( _. G) JTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. 8 ~ p$ ^9 [" ] u* C2 TTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. ; f) T9 \. r) D$ p, fTPFDDL Time-Phased Force Deployment Data List. . E1 z! e* Z1 K( A" B tTPFDL Time-Phased Force Deployment List. * |0 f9 T# S$ r8 h& {TPM Technical Performance Measurement. ( k6 H2 P3 {2 e$ G+ TTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. ; D' ?8 c* b8 a, }TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target 4 S1 `- k' y* K: k$ d& e$ sPerformance Report. TPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 8 ?: S/ l( }6 J5 C2 H, E5 [Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and ; j- ^( o. Q, f, n8 J. }+ c; C; Tconstraints. (2) The degree to which a relationship can be established between two or 9 `" v( n# z, k! c7 J5 h3 `( V3 omore products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. ' g' Y- O( G1 e( b0 q(4) To keep a gun properly aimed, or to point continuously a target locating * U3 @% X$ ]# h7 _2 ninstrument at a moving target. ! E! @" q. [9 E4 z! V4 o(5) The actual path of an aircraft above, or a ship on, the surface of the earth. - m1 d7 E% X7 l# X: ]: KTrack . ^1 M5 b ^+ L3 E/ m3 a- zAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. : h( O& f1 ^+ |; M6 Y* p+ OTrack, Birth to % M6 L3 G' E4 `3 {: ?Death The maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available data. 8 G3 X! _) }, g* M' j4 UTrack Extension This term usually applies to improvements in track estimates by use of new data. - l; R4 l* X7 ?. CIt is sometimes used to describe a process of target extrapolation to a future time 7 [9 R7 E' H" B! ^or place (e.g., reentry). 8 w( j2 C! d" Q2 N7 ]! AMDA GLOSSARY, VER. 4.0 T 304 1 S& w: }5 Y$ M7 j$ [Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS e/ ^' T( ]/ q3 L8 emeasurements with irradiances with confidence of association; or some subset of ) h" i; R+ B, p8 W) s: u4 lthe above. Track File-Track History # }% g4 P7 k6 u0 w. mA 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 $ n+ l/ X4 ], W) k+ gthree-step process of data association, track initialization, and track improvement 5 x/ {9 k7 n% b' B9 nby filtering. 9 f+ Y% X6 c- }, [( ETracking The act of generating and maintaining a time history of an object's position and any other features of interest. & _, K) F F9 r$ a, ~% x/ MTracking and # w, d, Q- x5 q2 uPointing 9 j! F( ~6 V" W, X; H% b# IOnce 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 are frequently integrated operations. % ^, |0 s2 c6 R4 h. b- C5 mTracking Range / P8 a& O, l0 r% j(Max) % w6 i1 D9 q- r7 j% U9 E. R0 sThe maximum line of sight distance at which a sensor can maintain track of an object. 5 H5 S3 X5 U% ?% J1 ?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 " Z& A" N9 E o0 Qframes. Track Production 2 i& W V, x7 J h0 }% ~Area An area in which tracks are produced by one radar station. : z! o! Y) P: w3 X) gTrack Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. - @5 H1 t* d5 Q( D0 bTelling may be classified into the following types: back tell; cross tell; forward tell; 7 V, o) h. [9 P. K- @7 clateral tell; overlap tell; and relateral tell. . H0 q' ]$ o; OTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. & W; P, h. ^9 j7 H/ [: UTraffic Capability # `9 ~" j \. A+ F A6 EMaximum 4 {: n! G0 p8 Q0 F1 H% CThe maximum number of objects per unit time which the sensor system can l0 V& @9 J' d$ w( j gmaintain track files. [3 Q$ u/ R4 D6 ^. O; q1 r6 h; p: Q2 eTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of * g: i3 M/ i9 b4 w* j+ b% oreentry. r: b; q4 y2 O7 n, gTrajectory The curve described by an object moving through space. * g% U' ^ k& Q/ O& U8 {2 N" pTrajectory 1 L1 A1 K* ?- IHistories Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). 4 l9 x# t6 i: w; {Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 5 G2 k u G9 a) ]( Z; r/ M- D' w; uTransition to Production A risk reduction process during which the program shifts (passes) from 8 O& K- \* \& Y* T' ~development to production. It is not an exact point, but is described as a ' Y* g# I1 R" p( _2 H) _process consisting of disciplined engineering and logistics management to z, a/ }2 |7 g( a8 ^# eensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission % ]6 x1 X. Y3 I- M# q2 zSecurity (TRANSEC) 7 }3 O! \3 L' G4 OThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is ( \4 M9 T4 }* y$ E( z' f" V4 U0 lencountered when passing from subsonic to supersonic speeds and vice versa. - h5 [$ O8 `# o" L* f. y8 c% uTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security % A0 g9 w" u' Z, ^ J: a) {mechanisms to be circumvented. 5 ?* V) T, m- S# y4 O2 lTraveling Wave 2 H5 @% Q2 H0 D. R) FTube (TWT) An electronic tube in which a stream of electrons interact continuously or + I% N. F. ~! d" e, Arepeatedly with a guided electromagnetic wave moving substantially in ; K/ ^9 E7 |8 `, x) msynchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. * y; [' _, q" A' S+ v1 k* r(2) A method of surveying in which lengths and directions of lines between ; _9 l) ^4 I7 i- tpoints on the earth are obtained by or from field measurements, and used in determining positions of the points. 8 _- U; P& w0 D8 k8 aTraverse Level That vertical displacement above low-level air defense systems, expressed both " h7 ?* l6 P2 Z4 i! L6 y7 `+ U3 Pas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. $ y5 e R. y. `4 e; j- p* }& fTRE Tactical Receive Equipment. ) L1 G5 U# a. fTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. : p! Q1 k2 l8 `# s9 U" GTREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. . t3 S1 ~: D2 P! k, |/ VMDA GLOSSARY, VER. 4.0 T 306 * Z" b6 f2 ]: ~9 mTRG Threat Reference Guide. & K, g8 {! R# z* W* ?7 OTRI-TAC Tri-Service Tactical Digital Communications System. % y, [ p3 U$ NTRIDENT Class of US ballistic missile submarines (USN term). * ?) F8 U! ~# gTRIDENT I (C-4) US SLBM (USN term). % U) E3 P8 x+ z+ `% e5 c5 aTRIDENT II (D-5) US SLBM (USN term). / r$ Z5 }/ i5 vTRIM Toxic Reduction Investment and Management. A% w! d9 L7 L4 I* ]; \+ }TRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. H5 D l V: c c, i8 _TROPO Tropospheric Scatter. ' F) K6 @$ U/ _" ^1 A0 iTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the % c+ V' b1 I2 u3 X0 z6 hatmosphere, 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 tropics. (See Stratosphere, Troposphere.) ( R3 Y: u+ q( R# G/ }Troposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or & S* s& m8 ?. [. f! e$ e7 Yless complete. Tropospheric ) E k4 h; V O( AScatter ( u$ Q! [, y+ B' C( L) `' dThe propagation of electromagnetic waves by scattering as a result of 7 O3 B' B% V" t5 z9 Wirregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). & D; B/ a: @/ W: m, x(4) Technical Requirements Package. 4 k* t' j" s% j l5 mTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer 0 g, x: r1 m# L$ ^3 J+ T: `* @System/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. : p( T, k6 a/ \1 v L# y+ y5 b, nTrusted 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 ; W' b) ^; e$ d5 l* g! wof 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 5 S u3 L5 u u- d" t% z307 0 N4 f0 k# b2 T' Q0 _8 Z/ N' V0 OTSA Technology Security Analysis. ) n9 j- t* j+ e6 N iTSD Tactical Surveillance Demonstration. " q( }4 N& M1 STSCM Tomahawk Strike Coordination Module (USN term). ' `7 S q& o3 x9 \1 C0 n# U: vTSD Tactical Surveillance Demonstration. - z; H, j* ^2 z* ?% ?( fTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 7 r9 h% c5 E, F2 H7 tTSM TRADOC System Manager. $ c& c7 q2 Z+ OTSMA Theater of Strategic Military Action. * _/ O9 ]9 i8 i" A' NTSP Target Support Plan. 1 ]* X/ A. R; D( A8 }7 G; aTSPI Time, Space, Position Information. 4 x& @- V7 J& S3 X2 TTSR 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. . t4 v p* T( fTT Total Time. / R( A; w) V4 G9 u# M: }TT&C Telemetry, Tracking and Command. 2 B# B7 k; H- L4 x: j' \$ `' D/ bTT&E Technical Test and Evaluation (Army). ' m" S( w! S* HTTA Total Time Accounting. q% C- I1 x+ I' Y5 F, L# KTTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 3 v+ q& b; @( l ^7 ZTTP Tactics, Techniques, and Procedures. 9 [% X& K; X9 j: ]TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T # Y% a# O( \: i$ t308 0 O1 y# H$ z$ ]0 p+ T* ?6 vTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. 0 c: H. y! a xTVE Technology Validation Experiment. TVM Track-via-Missile. 7 h6 I# r! {* h5 LTVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. " k, R; o$ E' f( c$ n$ Q1 DTWG Technical Working Group. - k$ v$ e" G7 x7 S9 {/ \; fTWS TOMAHAWK Weapons System (USN term). * Z7 |6 k: X& H/ }TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. ! Y) d' A: ]# O9 k! pType A - System ! _$ }5 o ~5 H- v8 q. vSpecification + h) a+ w1 }/ ~- y3 T6 j% o; eStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - 7 v& o) _1 m1 c6 a9 I& N8 C$ a7 ]Development Specification States all necessary requirements in terms of performance. Essential physical 7 t# S$ g4 s) K2 N. d' [constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item # ?8 C% F: n% ?9 ^functional characteristics and the tests required to demonstrate achievement of ' u: t; S! x sthose characteristics. Type C - Product c i: E+ E3 H& @3 ~) l3 ]0 P4 l) _Specification Product specifications are applicable to any item below the system level, and ( W t6 p4 ] ]( h: gmay be oriented toward procurement of a product through specification of ?# x6 }0 K! P* Q' W! j, mprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of 4 @% s- b9 B3 a4 ^5 r0 r: k/ _items including computer programs. " n+ D7 H( `( HTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). , C! o% l: O; I* S! q4 H1 aMDA GLOSSARY, VER. 4.0 U / \/ e6 h- c+ c9 r; C309 6 G: y8 C& A) {; c! B9 I6 H. GU Uranium. U&S Unified and Specified [commands] (pre-1996 term). 6 B+ U! U/ R3 y" p7 [U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). 8 h& K$ W2 L% T4 O6 }8 U: yUAE United Arab Emirates. S9 W5 }1 N- UUAV Unmanned Aerial Vehicle. 1 a. g% ~4 w2 X L- J |5 _UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. & _! E$ p. a& _" `/ [6 R* NUCAP UAV Combat Air Patrol. $ |* I$ U( {6 ~3 qUCC 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 # ^- _) _9 @% {2 [and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It ( @2 p4 {, W% c+ iconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), # }7 t( @* O% x* P$ N3 }: q2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. 9 p: g4 W" U' d, y0 aUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U [# Q0 F! w; f5 W$ P# e& W/ @310 . k" C& ?+ U& l8 a: LUFG User Focus Group. 1 V) a( e2 l$ z3 V8 p& i- n# ^UFO UHF Follow-On [Satellite Communications System]. $ b/ u; I0 U8 j! y5 h; VUFP Unit Flyaway Price. . P/ r3 t5 Z8 @* A6 y- ?" q$ dUGF Underground Facility. UGS Unattended Ground Sensors. * V7 ^, O: S7 EUGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. 6 h0 V$ g0 G2 ~UIN User Interaction Node. " @6 m& q. r# Z: @8 A* oUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. " }! V" `7 i: Z4 p) pUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). # b5 b G; b% R0 U5 a: sUMD Unit Manning Document. " y$ n* L; u# i. p0 w7 ]' `$ [UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ( V9 Z. y* q* T6 P- ~: c+ Nincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion # i0 c7 D: }+ q: Uand escape, subversion, sabotage, and other operations of a low visibility, $ F. X8 B- |# bcovert, or clandestine nature. Unified Action : ~ b" @3 Y U, X# {! Y* kArmed Forces A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and - D( g2 ~; n# i/ W+ c5 P. f% u6 a' Fcomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary * J# U. J6 ?8 l6 j: b& gof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 " B; n2 ^" b& z0 H5 E5 X' Z9 l* M% SUNISYS UNISYS Corporation. + A2 @6 A$ E6 j" G$ J: k4 ZUnited States ; g! P2 B2 J" H( T3 M- ]Army " [: P0 \1 ]: Z- k. \# ^Space Command + N) p: @8 j! J2 E! q6 U, Y(USARSPACE) : Z1 x: B+ N3 y0 ?. f# }5 PThe Army component command of USSPACECOM. Responsible for the Army ) l% ^) R' H# F# h" X9 Jelements of the SDS system. Located in Colorado Springs, CO. United States Space Command (USSPACECOM) , [. H+ T' `7 I: p& B4 ~The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. % c. \. T) B1 H* `8 p- F! j+ cUnited States Strategic : _/ f8 w- U! YCommand . C5 g. c" L( `# w) d3 C f(USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic * v- y$ d- Z6 g' u* G4 Pmissile offensive combat strikes. Located at Offutt AFB, NE. United States ' _4 m3 `# ^, t* G( bTransportation n( [' q: I9 k/ i: }, iCommand (USTRANSCOM) 8 K2 | ]5 a. K Q" ?The DoD unified command responsible for providing air, land, and sea : N: D- f" B, c* ~2 @9 Mtransportation for the Department of Defense, both in time of peace and time of 1 z \+ g5 y$ T9 C+ X! `' A: @war. It is also responsible for providing airlift, sealift, surface transport, and * Q/ ~ j- t$ T8 {, h! pterminal services, and commercial air, land, and sea transportation, including as ! g3 g9 h$ c, N9 qneeded to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott 1 U0 [3 _/ ?- u1 r# ?AFB, IL.

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Unk Unknown. Unresolved 2 W7 a' [# g5 X$ g* U) P* oObjects ' D' H. ^. W) u: iObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. " `! u6 a/ {3 L9 v& D; bUNSC United Nations Security Council. 7 x. } U1 G3 s1 P9 bUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). / ?& z: W- a; ]' \* _* S1 X+ J4 wUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). 9 r: w7 v7 k! w, G. R' IURIP University Research Initiative Support Program. 3 r6 o1 J k: J4 dURL Uniform Resource Locator (internet protocol term). . k4 t5 v5 n2 V9 ]3 ~/ p0 m8 n$ gURT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U # k! e. m: n" @/ @# I312 ) _7 G+ s: i# oUSACE United States Army Corps of Engineers. 5 L& x5 w0 `. MUSACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. * m' Y" R+ f8 s% pUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. $ r1 |8 q- |& D1 _+ A& y) ^USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF ! w" L$ Y0 P D# c8 aSystems Command /SSD. 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. 7 U9 H! w4 j) n. v i3 zUSAFE U.S. Air Forces in Europe. # |* G! g8 A$ HUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 3 }$ A, r: x' U! @& SUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 5 ]1 R, `& d3 Z2 u5 mUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 0 Z0 ]; o/ d7 A+ v5 e0 ~USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. & w, A* c, A+ `; I3 _( [6 tUSAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. , Z. G9 Y5 o) wUSARPAC U.S. Army Forces, U.S. Pacific Command. 4 e' L1 U5 f$ Z% M/ UUSARSPACE See United States Army Space Command. 4 N. F) J: g0 K2 M) _5 K% bUSASDC U.S. Army Strategic Defense Command (<1Oct 92). 1 B& x, H/ }! Y* b( {2 h+ mUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL ( x- ]. Q& A3 M( jUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. $ K* f* }3 N; v1 I6 z1 u' a1 nUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 1 m( N! Y8 V0 H4 Y1 \9 E, o' VUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. 3 x3 O+ k( v& m% d5 f G0 c/ LUSCINCPAC Commander-in-Chief, U.S. Pacific Command. ( H7 Y; }) V* b0 \* N' c. pUSCINCSPACE Commander-in-Chief, U.S. Space Command. . H3 b+ W) H* R6 J* X) K0 vUSCINCTRANS Commander in Chief, U.S. Transportation Command. , p# I4 ~) ^% }* ?5 \3 VUSCS U.S. Customs Services. ! b0 p# v" g( ?; V, r, IUSD Under Secretary of Defense. 9 @$ g; g0 \* EUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 3 j( S' h2 ?9 T3 zUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ! _# l; q# o, c8 D$ xUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. 6 [# q8 @" e( H3 b$ }USDAO U.S. Defense Attaché Office. + _ N5 Q4 F" g. }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 ( {# P4 v' f( N5 \8 n2 q5 ?(hardware) or program (software) that is compatible with a person's ability to . n6 ]+ i& p. v1 Soperate it successfully and easily. User Operational Evaluation ( Z! y2 {5 a/ X8 d' ^System (UOES) 6 C1 V* O+ M, W4 ~$ {, p7 v; JPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ! w. j' x; o$ Q ]& A3 ] c7 q2 D: S* Qtraining for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. , A1 Q+ R" A! G+ S8 }USFJ U.S. Forces Japan. / [) ?5 D9 z8 bUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. ' p* |% n6 s6 l$ A, o6 mUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U ( o5 ]- j' Y) I314 0 U- u1 Q4 O3 p5 s K( i/ u. G8 [USLANTCOM United States Atlantic Command (Now see USACOM). * L* a; E8 C4 W' ~5 xUSLANTFLT U.S. Atlantic Fleet. 9 ^% k3 j( y8 U) F/ B: kUSMAR- FORCENT + J, @' u j. jU.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. 1 p4 S. v' J; G* D9 D, DUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. - I. E: M& U/ k) i( VUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. 9 R0 Q( P, s" s HUSMILREP U.S. Military Representative. USN United States Navy. / u" @2 O: i( m6 W. x( W8 a$ V0 DUSNAVCENT U.S. Naval Forces, U.S. Central Command. / h* T3 L& N& rUSNAVEUR U.S. Naval Forces, U.S. European Command. ! A5 U9 {% _# U5 @USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. " h/ U2 u0 f( L8 R1 MUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. 7 P1 }+ f4 j# ]4 |; N/ lUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. 2 q. R1 z# P1 w' X* E& Y7 DUSSPACECOM See United States Space Command. USSS United States Secret Service. USSTRATCOM See United States Strategic Command. + O+ C: |0 I8 o% J$ ]1 _& O/ KUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. $ P4 A6 h. o4 }MDA GLOSSARY, VER. 4.0 U + M$ X5 v8 m7 V( t0 D5 F4 Q315 . H8 z. I7 @& k1 }) vUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). & { ~7 z. ?, [" kUV Ultraviolet. UV Electro- - Z+ |5 W: G& E* p; r, X' J) @Optics ! l) w7 s' B( D" p- C' y3 dTechnologies/techniques employed by optical sensors in the wavelength % @$ {, V7 ?" T5 U: [) S+ Rspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. . u5 L* P0 T8 z" H3 M% A$ d7 wUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 6 u5 ^' G; R# R1 ~3 N% z% |9 W316 V Volt. V&H Vulnerability and Hardening. / z3 d ~. G4 L% {# ^7 M, y+ n# PV&V Verification and Validation. (See Verification, Validation, and IV&V.) 1 {. o, P/ U0 E6 U ~9 d6 kV/STOL Vertical Short Takeoff and Landing [aircraft]. % L& `, ?9 y. R7 e6 u* [$ \VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real - j9 M+ w# a9 {; Tworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. # w8 { k& j" f1 k" hVAMOSC Visibility and Management of O&S Costs. ! j4 E1 ^/ L" a7 B+ PVAR Visitor Access Request. . q1 _$ B0 y! u0 h! q0 v1 @" [Variability The manner in which the probability of damage to a specific target decreases 0 P" K: i4 P- |# j% b& owith the distance from ground zero; or, in damage assessment, a mathematical 0 w9 A" b' J6 I4 H# Zfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). - g! s- [& M* Y' g, V& GVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. : j; d2 O1 c# B6 M! R: MVCS Voice Communications System. VDC Volts Direct Current. ! f6 ]; f0 L: I# R0 s kVDD Version Description Document. 5 A: a1 Z; D6 T7 E0 gVDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified ) R/ n: P9 \' X. j8 \requirements. " F. z6 C3 W4 a) D7 J! jVESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. / A; G4 E& S+ A2 @" J' vVHSIC Very High Speed Integrated Circuit. " z+ Y" S. k& i! o: nMDA GLOSSARY, VER. 4.0 V 4 B- o( r! r. @ m/ y- J317 VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and 9 b1 p& O5 j7 ]precision-tracked with the ANTE processor. + p4 o+ ~# |' h+ Y% _4 [* v' yVIM Vibration Isolation Module. ; @" @& S9 J, I$ U% l$ XVINSON Encrypted Ultra High Frequency Communications System. T: B3 \" x n& v) fVIS Visible. VIS/UV Visible/Ultraviolet. b! `0 _' l7 r" KVisibility 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 ) { l) G+ a# j0 z! w" }/ m: Xexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze % i* T3 I( S) y# ?or fog. The visibility on an average clear day is taken to be 12 miles (19 9 p/ I( F/ ^/ B1 d& Z: Mkilometers). - U# [ a g8 Z! J3 s' f$ XVisible Electro- 7 }5 O# C0 u7 h) y* HOptics / k9 W6 V2 D2 JTechnologies/techniques employed by optical sensors in the visible portion of ( u! P ^& y9 a+ H" vthe wavelength spectrum. - m8 T3 R& ?; ` E+ b5 C+ p% ^VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. / s) h0 e: s, N+ j* Z9 P+ `VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. ! s0 g% Y" J" p0 B8 gVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. - N: | t! Y$ `( o- S& l, a: FVMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. / n& [( o. m# H O5 [VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 7 g4 t4 k0 O( F% dVUE Visible Light/Ultraviolet Experiment. 5 I% C( M3 p. D2 D+ O) LMDA GLOSSARY, VER. 4.0 V 1 b& @6 \4 D* ~1 R318 - T6 u6 {4 l/ P: \Vulcan UK bomber. : Y0 O: V6 y2 z' g8 [: Z0 `/ @$ S# G& dVV&A Verification, Validation, and Accreditation. ; w' ]8 A$ }* ?; \ LVVER Pressurized water type nuclear power reactor. % ^% K# `$ z2 x. ]VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W % i6 D: r) H: V8 I319 W/ With. 4 p+ C& H" i5 G. m1 }& r- Z9 uw/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. 5 [' G7 a; P5 q0 v. d( b" eWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area T: |+ j I$ ~! e mMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). - t$ i" g# t3 `WAP Wide Azimuth Probe. + _% P0 z% c* o( P" Y+ YWar Game A simulation, by whatever means, of a military operation involving two or more , X; A* s; V, u/ i9 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 " t0 G1 n2 u2 B3 B5 w% G+ G$ ^, Aassessments. 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, 2 V1 U2 w, L6 iairframe, motor, or guidance section. ) {3 v0 N" x" B% JWarhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation * y) j/ i, i R/ raids, threat recognition, weapons, and countermeasures systems that (1) will 6 k. S( K/ x" `! M; J; scontribute 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 ( _! @: @ z' |$ l5 k$ x( `1 Ewartime or emergency use and seldom, if ever, applied or intercepted prior to " _7 v$ w' V1 A! p9 ?' ^2 |" Fsuch use. ' [; h3 X) l+ K- JWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. ) z- ^3 J! o+ ]0 D WMDA GLOSSARY, VER. 4.0 W 320 * j5 J+ r0 n( q P$ F9 s$ G; r* yWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. Watch Condition (WATCHCON) u) O, i& c: K6 y' ]0 ~9 RSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. % M) B2 u9 g( i; F& H7 P& ~WAVE Wideband Angular Vibration Experiment. + } ]* w3 F, f& S2 IWavelength The distance between two points having the same phase in two consecutive ) ]& S- u* m" ~: p, \cycles of a periodic wave, along a line in the direction of propagation. 7 E/ M$ u" |% w& q3 J3 mWB Wideband. 2 _6 }0 Z( L1 m L, }. s% M6 qWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. ' m# z& ?' `5 ^0 h" h* T* }WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be ' o l$ j4 e2 V! w1 I! T+ n0 zlaunched.