航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 4 W6 G+ }. g4 ^$ L: ]298 Theater Missile 7 z* E( G, z1 n6 S* K" M2 ^$ sDefense Council 2 w; O% B. C4 W* Q(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High , C8 ]& A. W7 I+ d5 j4 ~Altitude Area Defense System (THAAD) 8 V$ Z a& A: O$ ?$ u+ V' X6 m& YA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at 4 s! l; @/ H8 i6 mgreater distances. Will provide an overlay or upper tier to point defenses such as , @5 {- V( D9 GPATRIOT. Theater Missile 0 _; x R, T8 v(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) 9 `5 g% p% ]. q% ]$ C8 l( s, E* IOBSOLETE. The strategies and tactics employed to defend a geographical area , O2 F/ i! C+ Aoutside the continental United States against attack from short-range, ' Y) b& M) n" Fintermediate-range, or medium-range ballistic missiles. - k, o- w4 S2 J x& yTheater Missile % m B* `$ t, {3 FDefense Ground- Based Radar ) d/ r( U3 V9 }( @# e(TMD-GBR) 4 }! v$ c# a9 mA ground-based, air transportable sensor that provides search, tracking and 5 b+ n% w1 B! k' p7 Ydiscrimination capabilities for the THAAD interceptor system. Also referred to as / ~7 T! J# R! G# T2 qTHAAD Radar. + n: }" D! @; T% o- l5 wTheater Missile Defense Initiative 6 U4 h0 {6 f/ F2 d8 r(TMDI) 6 B: E* C4 B, OAn initiative under which all DoD theater and tactical missile defense activities are / i( b7 _1 z9 R0 [8 [carried out. Section 231 of the National Defense Act for Fiscal Year 1993 ; E3 D5 k- n: f8 c(Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally 0 z3 V, ?' S: b: n' W4 eexpressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or % P, n: b& M0 P" ^& oreflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. % V# B- `6 M, p4 mThermal Management 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 fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the 2 E: B. S: I' S \absorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 7 X, c- N/ R7 [) B299 & r; a' l# h. p$ t: _6 nThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting * v1 i( D0 L+ l% W/ {7 F0 K) f0 n( t6 `at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. " U1 l8 y' d- H7 UThreat 2 Z3 F$ f6 \0 M5 [" ?- I+ SCharacterization " i; T+ E' b7 N/ |: u% _An assessment of the nature, magnitude and intent of an attack in progress. / \: U9 v3 u: BThreat Corridor 7 Z& {. I" e u; C3 x- Z2 M(Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management ! R+ n; Q$ {# i% w% Bcomputation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive 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 t# ~7 B. Y+ Q% M8 A: H$ s- aobjective. ! ^" ]" T/ l3 N. V1 S7 ^0 C+ PThreshold Defense A 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 9 A* j0 S* p. }offense to mount a relatively large and complex attack. ( \5 q+ ?9 o1 h& u6 @1 BThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted % Q; m$ V) ?) A! D: `2 VReplicas (TREPS) & c! K& H" Q) T5 M" H6 b* DConical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. & w6 k: m: u! Z/ T `TI (1) Technical Instruction. (2) Technology Insertion. 9 y2 m5 O m3 T. ^+ a" RTIARA Tactical Intelligence and Related Activities. 7 K5 L* I& ?4 a' |) H5 d; tTIBS (1) Theater Information Broadcast Service. : S2 c* ^& u! Y+ R9 c& j% _% x, Z(2) Tactical Information Broadcast System. * H4 _( E f' @(3) Theater Intelligence Broadcast System. % f8 Y# P* E: PTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. . P% _5 Z2 S3 uTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 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. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. 6 b. g9 d# Y: \ Z1 jTIL Technical Insertion Laboratory. ( T {3 L' F+ }9 w9 lTIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T ( `8 U8 h% g* F. D6 _300 # n$ B$ Z N9 I! N7 v NTime-Phased ; S6 ~* p2 U' B0 sForce and Deployment List " w3 l5 E( P0 X: B* ^" S% [/ RAppendix 1 to Annex A of the operation plan. It identifies types and/or actual & z9 V1 T/ }5 ?& T' D1 f9 Q, vunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. 7 J y& Z# ?3 Y$ \9 {$ _" FTime of Flight ; e% C$ Y% [6 E7 u" C9 V(Max) The maximum time for a booster or vehicle to perform its function from time of ) l$ V2 D( T+ k" z" Y8 r0 Claunch. Time on Station The time the sensor is in its operating position. Time Sensitive 6 A9 t+ |$ g0 w/ f1 _4 g. j5 V3 VTargets 4 C* X" _. t& B; {6 nThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, 5 R+ S7 u' t9 N! y' h% efleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. : s! O5 s K3 X$ \2 V1 N8 O% HTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. ! n @5 y& t! X5 f8 BTIP TOPAZ International Program. * Q& ~. v+ f- K9 z$ KTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 7 E8 n n0 `! jTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety . x& Z x- w* X- GTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. ( t3 c# _+ C5 m4 U1 {, `, X% Q6 WTitan USICBM. : i+ v5 G8 ?( @0 f- w: i+ X/ LTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) % q7 F @/ g. g1 o3 xTL Team Leader. 9 L# c# N# d# qTLA Time Line Analysis. 5 f" K; u3 p d# N. \) d0 pTLAM Theater land Attack Missile. ) [7 s# e8 }7 k0 c' f- g( TTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. # S7 U. U$ a2 s& n" a6 W( zTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army # W# |+ k/ Q: c0 t* n# {) Bterm). TMCC Test Monitor and Control Center. + r% y* M" I7 |+ g; r% R# ATMD See Theater Missile Defense. . W# b, }& K$ MTMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T * l) J) u. _. a& Y301 9 |4 H* i; Z/ ~' ~TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic , I6 y3 F" J$ V0 K1 P- G: UMissile Defense forces. / r. C& \; S4 r2 M: n9 v+ R' t: GTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 3 x0 x ?9 Q+ r6 K6 H% mTMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. $ F c, t# G/ Q: P, p7 nTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. 2 c% e9 O ^ c+ X2 k0 jTMP Technical Manual Plan (ILS term). F* D( O& D9 q" HTMPCU Tomahawk Theater Mission Planning Center Upgrade. ; ^+ I3 f1 y4 ^; D; Q$ |7 OTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 2 @% R6 \1 j$ OTNF Theater Nuclear Forces [Treaty term]. % {, O) q% i6 [3 g1 n' n% QTNT Trinitrotoluene. " K; A: R7 @' D2 v+ tTNW Theater Nuclear Weapon. ! p2 y& v/ ?4 [% RTO (1) Task Order. (2) Technical Order. . q- I* q. f, \& r& [3 L4 U' {. zTOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. ! S1 t1 g' i7 eTOE Table of Organization and Equipment. TOF Time of Flight. 3 i0 v0 ]& @$ QTOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance 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. $ }% {. y% y0 O# @- h% DMDA GLOSSARY, VER. 4.0 T 302 5 e: {3 p _$ Q! V* i# fTOMD Task Radar Management Details. + ^. v7 y9 `2 C/ |TOMP Task Order Management Plan. 0 g. Y+ ^: C" q- j$ ^8 p `TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. 3 u2 y/ u5 q3 a3 lTop-Down Pertaining to an approach that starts with the highest-level component of a $ P! z0 g5 m- ]5 d6 B: b8 j; d3 J5 x$ yhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down 1 S4 v( k H/ W& e9 W9 WDesign The process of designing a system by identifying its major components, 5 K1 L9 e9 o& b- \ Sdecomposing them into their lower level components, and iterating until the 9 b/ a# j) y6 m H5 n: F* p" Ddesired level of detail is achieved. Top-Down Testing The process of checking out hierarchically organized programs, progressively, - }5 u) J3 u1 Y+ tfrom top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. 1 a" [! R1 f; Q8 W' b& g3 FTOR 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 fiscal year. Total Quality - w3 v* ?2 n( q7 f$ J: Y8 q5 P; ?Management (TQM) A management philosophy committed to a focus on continuous improvement to - e0 u, }+ r4 R6 n0 I1 Bproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. # J6 @0 [! b; ^1 C& `9 Y A" g+ _Toxicity The kind and amount of poison or toxic produced by a microorganism, or # O0 W4 \3 A! o7 j7 _6 Dpossessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. " L7 k- g; k9 ]' i2 p" P/ K4 d3 z2 RTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). 0 W& `' F2 j5 f% e" K& K, BTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T : H) Z; ^" H9 b. q# z0 i. d303 2 E) `( A9 k5 a# v" nTPEC THAAD Performance Evaluation Center. 4 U7 k6 O X) C2 }$ X, \& T r$ M: dTPEM Technology Program Element Manager (SDIO/MDA term). ) v7 k% ^$ o2 j* G R! q1 ~; s7 STPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. 8 U: k% ?) z; C& o" `3 \TPFDL Time-Phased Force Deployment List. 2 g3 a. u5 @$ \9 X$ t* cTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). - N1 ~3 ?/ e* k, ~# BTPO (1) Test Planning Organization. (2) THAAD Program Office B# O7 J9 R, [& _" gTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. , ` U8 @8 W! uTPS Thermal Protection System. : h, D9 d$ d$ _( iTPT Theater Planning Tool. $ ?: |" B" t' d3 a+ a& T; iTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or ! L, @7 D4 `' H0 _+ ^domain models that identifies and documents the derivation path # f$ J8 k% G& V& @) u(upward) and allocation/flowdown path (downward) of requirements and 1 R) M6 ?5 w/ _6 x2 }& A0 Fconstraints. ! H# X5 m9 l; t6 A(2) The degree to which a relationship can be established between two or $ t3 s* J0 i& Z/ gmore products having a predecessor-successor or master-subordinate ( S9 ~5 L( d; K8 ?( b& O Frelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. u o! u) a2 ^4 k; V) p. c0 l(2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. - r; s1 G: r- Q$ y(5) The actual path of an aircraft above, or a ship on, the surface of the earth. $ u$ X% Y* n4 ~$ iTrack Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly $ B7 z2 n/ o; Uin the track may indicate a hit. Track, Birth to 4 g; t' \3 f8 K8 E3 `* z$ o' ?Death / w; M9 Y, Y; ~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 7 a/ I: e0 f9 z9 M' X( Q7 t5 Cdata. Track Extension This term usually applies to improvements in track estimates by use of new data. % X; _% [+ r1 I5 E1 |0 uIt is sometimes used to describe a process of target extrapolation to a future time 4 |5 z4 v! v8 G( `/ i, l' n% zor place (e.g., reentry). ! {9 _5 N2 f4 q: m* m& h5 LMDA GLOSSARY, VER. 4.0 T 3 y9 f5 e8 G( \* l9 c5 G" f304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of 4 U" ]0 j2 ?! b1 D9 }the above. Track File-Track History A set of individual track reports on a particular object, which taken together 8 Q9 F% P+ k1 i. b6 |5 kproduce useful approximation of that object's future position in space. * d. h: z7 q; uTrack Formation The process of determining the track or tracks of detected objects. It is usually a : W! ~5 P' w, ~- L: N1 sthree-step process of data association, track initialization, and track improvement 7 w: d: C U4 w: D# Pby filtering. , V; a4 q+ s& A ^Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and . j+ D# }' H& j" U" @/ APointing Once a target is detected, it must be followed or “tracked”. When the target is 9 s$ o d' w1 T4 V; _successfully tracked, a weapon is “pointed” at the target. Tracking and pointing 8 j( O- _" u* U2 o5 a' fare frequently integrated operations. Tracking Range (Max) : P3 ^' ^- V/ P& uThe maximum line of sight distance at which a sensor can maintain track of an ! P$ u; W% B/ n& \: f4 ]* @! {' G8 vobject. 4 U, J* b* `' m) b) `4 g: jTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector 2 E4 U) b8 h; X& w, x! xof an object. The process typically requires observation from a number of frames. 7 c) z( U. K; m- uTrack Production Area [- d& l4 n) q* c% a+ A; u' O6 hAn area in which tracks are produced by one radar station. 9 H, `. W% B2 I2 ?* zTrack Symbology Symbols used to display tracks on a data console or other display device. + \% ^ z0 ~- _9 T' JTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. # o% y! B8 R% m6 c. P; ?Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. 5 i9 g* k H K3 gTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. - G0 Q' Z+ V* `( A9 w5 e( UTraffic Capability Maximum 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 5 u' J5 D) @" K+ h* `& cendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. ! S, W- F& ], h0 QTrajectory Histories Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. 2 s! X2 d% m* a1 O+ XMDA GLOSSARY, VER. 4.0 T 4 U, s8 _0 ?: `305 4 L4 c8 r7 Q8 N( gTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. 9 h3 k& z) P h! R1 t6 yTRANSEC Transmission Security. & t* G: C6 \8 u9 a) i; yTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production . I9 G" |& f! H( z& N0 L4 @+ s$ T6 lA risk reduction process during which the program shifts (passes) from : ~! D' a+ ]* ]/ n9 C6 n( Mdevelopment to production. It is not an exact point, but is described as a . l# p3 t* ^$ l5 f1 {8 R* Dprocess consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) : \% |, b+ W1 G8 R. tTransmission Security (TRANSEC) That component of security, which results from all measures, designed to protect - a: y( {4 x+ Q4 L+ Icommunications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. # M. F0 U7 j% q; P3 b# O8 |Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. ' M4 g j# ^% ^. ATraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or / O) N4 z+ s2 p' x: x1 G. s. ?% Irepeatedly with a guided electromagnetic wave moving substantially in # B" p$ P' N1 ]* Csynchronism 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 - O7 Y+ V& ~4 L+ {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 ! F' A" I z% t# k& Was a height and altitude, at which aircraft can cross the area. % M4 [0 a; Z9 R8 h; wTRB Tactical Review Board. # x, O; L3 t* [: `' ^TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). ( H9 s9 X4 L" |0 B0 BTREE Transient Radiation Effects on Electronics. 6 \0 Z$ z' {4 J7 lTREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. # z( e! P1 `5 B& X* d. I+ aTRI-TAC Tri-Service Tactical Digital Communications System. 2 f! t8 ~: C/ @9 ^7 U& t! ATRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). ( I2 G. x) ?- G$ I3 N% f2 A" i% `TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. 6 a: G1 A9 M' z k% `TRMP Test Resources Management Plan. - ?: i4 y/ {% @TRN (1) Task Requirements Notice. (2) Test Requirements Notification. 9 q; W. ]% m: l1 WTrojan Horse A computer program with an apparently or actually useful function that contains ( F2 L7 H" ?2 H0 N: R9 |1 O/ t8 b4 z. Kadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 5 v3 |. r; g3 @- pperformance. N9 O' [- m( Q! UTROPO Tropospheric Scatter. ( Q: N8 X& n$ [1 MTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the 8 A2 z( |( W4 Z5 V w* Aatmosphere, 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.) ) e k/ t% _8 w1 q4 |Troposphere The region of the atmosphere, immediately above the earth's surface and up to ( U% f% \$ ^1 n8 L2 Ythe tropopause, in which the temperature falls fairly regularly with increasing 9 E$ k; h @* U/ L0 Z4 jaltitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of $ R( ~0 Z) l$ e! S6 Z: 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). (4) Technical Requirements Package. ( ^' `8 k! a9 fTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted 4 k. l2 v8 s9 ^+ a. k" dComputer System/Software 4 S9 K* `! G% Y8 uA system or its software that employs sufficient hardware and software integrity ( `8 A, S; q, h: ^& i' Kmeasures to allow its use for processing sensitive or classified information. 4 m' b0 {' ~: G7 F+ ]6 B6 ATrusted Path A mechanism by which a person at a terminal can communicate directly with the ' W: B1 n8 H; x: VTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. ' {; h A1 ~3 v9 v# q- [7 g8 K6 mTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T . X# M E2 P1 ~7 |( P( \9 a307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. * D) M: }$ S( N! w' {/ W1 QTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. ) ?$ n: u! U( X3 eTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. $ E5 e3 j, P" m* |0 aTSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. : t$ ~- A' n6 N. N% i# j& |TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. ; E+ U2 m, M# s! p6 D uTSWG Target Signature Working Group. TT Total Time. 9 s( N. P) y% i( H- qTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. " }3 {' x, K8 U5 \0 hTTBT Threshold Test Ban Treaty. ) F, |" h |2 B6 y, R6 N# STTD&D Test Technology Development and Demonstration. A portion of the CTEIP $ E0 Y! A) V! j+ S1 C4 Yprogram, which funds the development and demonstration of technologies, which have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). 9 ?' h. Q- U# R s+ bTTL Transistor-to-Transistor Logic. 5 h1 N' w' j& o2 STTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T ! t% o; d- F6 x- f2 m308 & O/ K; ?# j: |9 nTTV Technology Test Vehicle. * i7 u1 v4 {' h7 g. r) XTTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. 3 o2 W9 ]- q) W! h" ]( |TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. ( H# |4 J9 J2 _ a x5 n qTW/SD Tactical Warning and Space Defense. 4 X ]9 P" s% U1 T; _TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. , K9 [# b/ k+ S( }TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). . V4 w9 r1 I0 Q4 `+ n, i1 zTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification % x/ ?. [& a. }) b0 WStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical : C; Y, C& I9 v7 J, Mconstraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - Development Specification States all necessary requirements in terms of performance. Essential physical % P0 M( N% L9 `) a2 Aconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of * a$ q1 Q1 ?; S! u y4 o) H: X% ?" pthose characteristics. . E" w5 f" r+ x+ c8 T. s. J2 ?Type C - Product Specification * R w& v6 D% y3 u9 Y5 mProduct specifications are applicable to any item below the system level, and % [7 R; M9 G& F0 G \: Z( bmay be oriented toward procurement of a product through specification of 1 C& V& z0 J/ V. ?primarily function (performance) requirements or fabrication (detailed design) 5 E( R! s8 a! z% w+ irequirements. Type C specifications intended to be used for the procurement of items including computer programs. p8 A4 H& p& m/ f( M" }0 JTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a 1 X$ Q$ G( q9 dset of characteristics, and associating the characteristics with a specific class of 4 b5 b. d" q* J. `- V0 oobjects (i.e., SS-18, SS-24). ( ]. P1 d5 N: `2 bMDA GLOSSARY, VER. 4.0 U . V3 _% q3 }% B. X" X. _, \ I309 7 A! \& e% S8 d% p6 y, w1 lU Uranium. U&S Unified and Specified [commands] (pre-1996 term). * E, k: Z; _) _% E8 NU.K (UK) United Kingdom. 1 E# T# R& |6 b" D5 @9 {U.S. (US) United States. U.S. West U.S. West Incorporated. 9 a) P7 S+ k* G- m4 N- ]9 ^U.S.S.R. Union of Soviet Socialist Republics. ; m5 X- ~& `7 K S5 u; R" d8 E6 o- u, MUA User Assessment (NMD BMC3 term). 8 c% u4 K0 _& y- XUAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. % N) r1 _4 ^7 [1 r( m2 DUCC Uniform Commercial Code (US legal term). 2 d. L: I7 S! ]: G: ZUCP Unified Command Plan. . K4 H( |. o$ MUD/ASD United Defense/Armaments Systems Division. 8 a1 f( H- }; u( t9 a {UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 5 q2 s; q( t- ?/ |4 g- f$ iUDS Universal Documentation System. A standardized comprehensive tool for stating and 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 Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the ' \. T- ?! w/ [Operations Directive (OD). The UDS was developed and is regulated by the 7 a) z1 x8 |0 \7 d# y; {$ M5 XRange Commanders Council (RCC).

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UE Unit Equipment. 0 \8 p0 A; ^( B: B# }' n4 k. O6 |: oUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 4 @8 @* v- F4 p5 N% o310 $ S E; V% G# z0 ~1 |/ bUFG User Focus Group. 0 z$ e1 ] a( p+ p6 pUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. 6 r' \7 p% s0 F7 y- G: i1 L0 aUGF Underground Facility. UGS Unattended Ground Sensors. 6 }; e z/ _1 y* L* U, iUGT Under Ground Test. $ \& e# G' J: `% C4 e2 a; aUHF Ultra High Frequency. UIC Unit Identification Code. 4 }" l* Y: M. `UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ) O W& G. Z( K2 nULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. 6 \2 P; U% Q) gULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet ; J8 w' Z# P' N3 }. A(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. 5 {5 _7 w5 {. g& Q- j, f, HUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. ' ~. W; h+ e/ `( Q/ zUnconventional ; \( n! n C) e/ a7 \7 Q0 iWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare " v9 `5 k* p+ Wincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion # W3 { I/ d: C( `and escape, subversion, sabotage, and other operations of a low visibility, 2 ~: B; z- ~: H8 b3 i' L# }, ?$ Ocovert, or clandestine nature. " W3 p9 g$ K. X) rUnified Action Armed Forces 0 t! S9 u9 Z9 {4 K* BA publication setting forth the principles, doctrines, and functions governing the }. f/ k1 z: j) N2 p5 `: Xactivities and performance of the Armed Forces of the United States when two or 3 b! J) D% W5 Fmore Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary 4 j; g- e) w/ g+ m) X, Fof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 311 " ?1 s( d) s( ?UNISYS UNISYS Corporation. ' Y& y+ V: z8 L& h' p) sUnited States * F* ^ y, ?2 C( ?Army ; ^. R8 [( R1 ]: GSpace Command (USARSPACE) 3 G& ]7 e! }( j+ ?7 vThe Army component command of USSPACECOM. Responsible for the Army - ~, ~/ t i6 H: _& Qelements of the SDS system. Located in Colorado Springs, CO. 4 U+ z( J h' Q! W9 t ]United States + a- O! a6 ]8 bSpace Command (USSPACECOM) f/ G7 ^0 j2 W2 d" H( r7 c% zThe unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. 0 u8 G6 r" y/ Q" L; W6 |6 ZUnited States Strategic 6 ^' U. m7 Z; ?8 ^Command (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 Transportation - r9 v% i- ]2 q! Y5 VCommand (USTRANSCOM) ; u+ h0 k; K7 ?7 M$ b3 T* P# }6 ZThe DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and % \ j; z$ O& _" w* n0 B; g8 i gterminal services, and commercial air, land, and sea transportation, including as needed to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. Unresolved 4 n/ d1 X7 V: C, V& OObjects ) |( k: q1 E2 N. [, `2 ?0 J3 F7 L9 XObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. * [/ F2 l. Q: YUNSC United Nations Security Council. # r' r/ c9 }/ a" L. ]UnSecEnergy Under Secretary of Energy. 7 _- H/ |! P& `' U* [4 {UOC Usable on Code (ILS term). d- a% A- u2 z0 a& j6 u' I7 e$ VUOES See User Operational Evaluation System. ; F( V5 y9 ?& ~& v2 ZUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. . X9 k) x! G6 ~0 gUQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. 6 q" W, A/ F4 ~' y% I" OUS/UK United States/United Kingdom. ' p2 @9 v# M) F( UUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. 3 m+ V- A- v, n- EUSAAE U.S. Army Acquisition Executive. " Z4 g" b( }7 E# ]" H O5 F7 VMDA GLOSSARY, VER. 4.0 U - _8 n u5 {& D" h- B8 m312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. : U6 T* P {3 `' YUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF - B a# T$ O' ^2 s8 [Systems 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. 3 y8 | P& u' q J) ^USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. + e0 q& f r: I5 `* v) q2 NUSAFLANT U.S. Air Force, U.S. Atlantic Command. + e" ?5 W- I% d, P6 O( I5 {USAKA U.S. Army Kwajalein Atoll. ! Y* R( O2 V' dUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 7 E8 Z% D, F% `9 n5 m1 o# ` SUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. : w- S2 h$ |2 dUSAOTEC U.S. Army Operational Test and Evaluation Command. 5 g. R# ^( y+ m1 r. `/ o2 p' OUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). 8 m, i7 J+ |4 W' E; S- H. MUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 1 d8 s- T; r& e0 BUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U {5 h& [" D8 A; n& @) \313 * n$ i3 V0 S, Z# PUSCENTCOM United States Central Command, MacDill AFB, FL. p- q: c( K; [8 x. c" SUSCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. / m1 E# \$ X- c3 C* w5 WUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. ) d7 e5 V: y+ r- e% QUSCINCSPACE Commander-in-Chief, U.S. Space Command. # p3 o- b$ y1 {7 M7 K9 }( oUSCINCTRANS Commander in Chief, U.S. Transportation Command. ! }) Z4 k% j' W H) c b8 vUSCS U.S. Customs Services. USD Under Secretary of Defense. 5 D1 o/ W3 S' B! yUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. 6 M* D @; F3 U* ~USDR&E Under Secretary of Defense for Research and Engineering. F) f* A4 c; _' s. C+ |8 \2 dUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine $ ^6 \4 S% R6 x3 F( C/ L(hardware) or program (software) that is compatible with a person's ability to # C2 H; P% n8 k$ q0 t( A/ uoperate it successfully and easily. ; G3 v( ^+ y" _% O& g5 P+ j0 W# O, rUser Operational ' i. Z9 l6 i2 y2 qEvaluation System (UOES) " P7 M7 b) n: Y) W i% N) P6 _Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) 4 V3 W; O0 V5 v" ucontingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. ! `5 r. c$ e9 f( Y1 lUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. - @/ {) h/ G' qUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 7 J: r% ?; w4 x2 J314 5 L& r2 |; ~0 {) u$ ~USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT ; n7 J4 K. a+ H6 }U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. 1 K' Q: p& y+ s0 S, t0 }USMC United States Marine Corps. + j4 I6 Q; F8 O: I, A2 ?8 ^USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. ! [5 k7 ?9 t7 |& V S' _USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. 8 ~8 |; j' |3 q0 RUSNAVEUR U.S. Naval Forces, U.S. European Command. % ], }4 B2 j, @, I* a' wUSNIP U.S. Naval Institute Proceedings. * p) S% _$ L! w# a% [0 V; i3 [' |USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. 6 ~* t* v( c: }USPACAF U.S. Air Forces, U.S. Pacific Command. $ C- {, f4 K; \1 q! GUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. / T3 O# {$ r# L0 U2 ?( Q! NUSREPMC U.S. Representative to the Military Committee (NATO). ! h2 b2 S0 L0 }* |* m% ^1 sUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. " \/ `# V& _6 ZUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. USSTRATCOM See United States Strategic Command. 2 y# I* L$ D6 T% C" z! hUSTA United States Telephone Association. ) k- o! m4 s2 H+ C. }- c& zUSTRANSCOM See United States Transportation Command. $ k5 T5 i4 i/ w2 O7 g3 ?- {UT Universal Time. p- D5 A q. S) V1 TUTC Unit Type Code. 0 g g" |4 i+ \0 jMDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. " r7 R I+ M, I0 n3 [- tUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). . b6 T7 t& y: Y6 u& t4 m. P% D8 ZUV Ultraviolet. UV Electro- 2 R& C. Z0 _ |: `3 Q* mOptics Technologies/techniques employed by optical sensors in the wavelength % Z' x+ Z1 Q: l# b9 k5 o! |spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. , H$ h9 ]8 f/ T3 x" z9 p3 dUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 9 }2 f6 m1 J! Q6 G6 [316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. & t. [& @. V5 j$ p$ F0 `VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, 7 C! l9 A# @8 P- {: gtactical situation, system design, tactics, and threat. 4 x1 E( m5 M( ^9 [5 T4 EVAMOSC Visibility and Management of O&S Costs. 3 b3 O1 v# `; ^VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases 3 N! \+ @: J) \, F1 T6 Dwith the distance from ground zero; or, in damage assessment, a mathematical ) X( S' Z- I( X9 F# ~2 e- nfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). ' \# s4 S3 R0 X2 ]) `$ ^# x( e2 eVCC Voice Communications Circuit. , d+ h. V& d& O0 m2 V( ?. n$ v% YVCRM Verification Cross Reference Matrix. 6 v3 I4 |$ B8 a3 k t! t' r/ p5 X. OVCS Voice Communications System. & z* C6 y! {1 t) l: j" I( cVDC Volts Direct Current. 1 r7 }9 f+ |3 A/ K( C8 PVDD Version Description Document. VDU Visual Display Unit. 1 L2 f# L7 ^0 s8 b7 z1 a4 ~VE Value Engineering. VECP Value Engineering Change Proposal. 6 ~+ ?6 P& x& wVerification (1) Confirmation that all data inputs, logic, calculations and engineering 0 A2 X8 }, b9 R9 q) H, a) mrepresentations of a T&E resource accurately portray the characteristics, 5 Z; y- r4 U- _2 b. H+ ]% A$ ]calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 2 T' B5 f% C8 g5 v$ j/ W( Fof the development process to determine whether it satisfies specified + Z: `! n& q. F5 a$ N4 [' brequirements. . V, A: l6 [7 i* V/ U! fVESA Video Electronics Standards Association. ! I5 X& C" N* JVFR Visual Flight Rules. 0 d. m7 O/ s( m8 [7 a- O8 ^VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 2 b: y4 `1 }& y/ C317 % A: O) B7 _7 d: NVIDS Vehicle Integrated Defense Software (USA term). . e( V) g# i0 x" F3 W9 LVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 9 o. y' ?! `7 ROperation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a 2 A, Q% O' `( jgimbaled airborne sensor with visible, experimental UV and quantum-well IR }9 G' K. f' ncameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. % F o0 B( m) B% {2 K1 i. d: FVIM Vibration Isolation Module. ! i8 v2 B/ {2 [+ i) \VINSON Encrypted Ultra High Frequency Communications System. 9 x6 |+ C/ W! H: b8 u6 j6 j$ ?VIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range 1 N: a' Z1 g y: ^(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 + ^3 {' E4 F l T$ Cexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze : ~6 R- \* C; q7 _( w# O6 O9 |( ]or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- 6 U; d; A2 j6 \6 ?. iOptics . a& @5 _# h- rTechnologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. 8 J+ @; o/ L1 [) H9 z |3 V/ [VLAR Vertical Launch and Recovery (UAV JPO term). t% M* K' s' ~VLF Very Low Frequency. `* s5 f N4 ]VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 2 r% W; S8 _0 ?/ ^0 X+ EVLSI Very Large Scale Integration. 4 J8 `1 w$ r4 B* ^: O1 RVLSIC VLSI Circuits. 0 ^/ t7 v; {/ s. ?VLWIR Very Long Wavelength Infrared. 8 K. n0 f3 P( z A" ~VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. / e, O) T3 {7 L- m/ _ kVRI Vanguard Research, Inc., Fairfax, VA. 7 n' P. I' l# M0 m2 Y5 p9 N! d1 ^VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. & P. }; _; b: |+ p: ~VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. 8 u- ]% I2 O; yVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W - F( {+ ?) N; L0 i( a319 W/ With. . Y$ v; n H6 e2 l# \/ o/ lw/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. * {2 L3 M9 e3 t& O! U, _+ LWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 2 }* R7 P7 B0 s9 p) U# gMunition. (3) Wide Area Mine. (4) Wide Area Missile. . T7 S, v* B. ^3 `WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual 1 J: e! N# P4 B% d$ y% dor assumed real life situation. 1 P( m5 y* b3 j0 FWargame 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 ; l5 p2 F% X' h; Bassessments. 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 components. WARM Wartime Reserve Modes. ) ]9 n4 R9 M, A& P3 w) X A9 fWarning 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). 7 z! C( _) S: S+ }+ B; K! XWartime Reserve Modes (WARM) / E: I0 F: W! ?% {/ P" rCharacteristics and operating procedures of sensor, communications, navigation / I' e4 ~3 C& ^$ Q' g# Laids, threat recognition, weapons, and countermeasures systems that (1) will 6 H2 a8 f. K5 [) Kcontribute to military effectiveness if unknown to or misunderstood by opposing & E' p2 r6 i0 E% fcommanders before they are used, but (2) could be exploited or neutralized if ( O! H+ _1 M1 T" {+ bknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. 0 ~( I& Q1 C: p% p' l& aWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. 1 O9 y- }" P" pMDA GLOSSARY, VER. 4.0 W 320 + d( r! ]. n3 \WASHDC 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. ; l8 p C& \$ k" @5 HWatch Condition ( ^4 ]" ^9 {; W6 d+ K& q; V(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs # K4 b# o7 s. o4 P' e8 ]8 e4 y" y# C9 {to watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. + j$ V: z* A X1 cWavelength 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). ! s3 `+ P& U+ c' U7 j+ G- b! wWBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. * [$ i4 Z7 U) L0 f, a% JWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ' F) ?7 s8 U* y% h' R/ s# E& t/ \WCS Weapons Control System. 1 t, K) X. c& E/ W% }WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.