航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T ( k/ B. i$ B9 [- e! r298 ' {5 F1 ?% A$ W( X+ ATheater Missile Defense Council ' [2 m$ d3 @. r+ Y4 ~(TMDC) 0 M8 w% ^* E* J* OA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for & x# T& g# B1 N4 Z, A4 n1 DAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 8 _, W% j7 s. c( f# O, ?. i6 e' Fand Program Managers. Theater High Altitude Area # F9 U# e& `; K' R* S( MDefense System ! r2 s) G6 N( W7 v; T/ g" ](THAAD) A ground-based, air transportable interceptor system that will provide wide area - p. \6 P3 N `- Z6 [6 O: ^defense 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. Theater 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 6 J$ _3 ?* [$ g- Dof attacking targets in a theater. Theater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area , I) Y# ~) N1 ]' \0 r5 x/ Ioutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. + _; k' I1 b' V0 b4 UTheater Missile $ i; h1 f: h7 f' X7 a3 R4 Z; FDefense Ground- Based Radar ' `! {3 L- ]3 W, Z E(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and 5 y) q& d, e! Q& c+ @+ Idiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile ' v! C! i5 E1 H8 N( jDefense Initiative (TMDI) 7 s, W' Z& l" Y- `5 NAn initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 / M* W8 w: G3 }* B" k. k1 a(Public Law 102–484) directed establishment of a TMDI office within the DoD. - p% k9 X/ r- x: a& _" n( o6 z& A7 {THEL Tactical High Energy Laser. 3 i* `1 e6 H4 S9 d. x& C( ?! w1 dThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 0 T/ j7 J4 H# E" G0 U$ Z8 x+ Ithermal energy received per unit area at a specified distance is generally " m. t* `' L: m4 p$ S, x& {! ^expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 2 _7 `" r' Q% p' V! r5 [$ F+ [: mreflected 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. 1 o9 S4 z( R% o9 U5 ]Thermal Management 4 C2 }, ]3 N! p! _) dTechnologies/techniques associated with the control and management of : p( _9 }! m% b9 \$ [* U3 k% ]thermal energy, its generation, dissipation, and recovery. Thermal Radiation " ] ?/ a Z% @3 s* G+ |/ u" eElectromagnetic 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 $ k, |& F l/ X7 c3 W' {& xultraviolet, 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 ; _' y; J z/ D. s; i+ _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 $ v- E6 K; `$ S2 P5 R, T: aregion) which then emits thermal radiation. (See X-Rays.) 0 L5 q8 d- J d' f: _4 ?MDA GLOSSARY, VER. 4.0 T 299 5 O$ i8 @8 w' lThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; . H9 d8 M7 h) pit 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 exosphere and most or all of the ionosphere. Threat Characterization * E2 \6 _# M! dAn assessment of the nature, magnitude and intent of an attack in progress. ! t% h9 G: d6 ~/ V8 zThreat Corridor " {" Y% `) S0 q \3 ]; K4 b+ s(Threat Tube) 5 h4 P8 h; K3 fA 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 computation. 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 : U( r9 }! c7 `1 B& ]6 {systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable 7 \& `( v, V8 j# l) Fvalue (threshold) required to satisfy the mission need and a performance objective. , m8 t% V& m3 T0 v9 BThreshold 4 [. r1 A$ U$ F Q9 nDefense 4 A: @+ i4 l; e! `% `( U" Y [; z% fA 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 2 y" X& i0 G+ c( j9 D5 joffense to mount a relatively large and complex attack. ! m+ j9 h; w! n, W* U/ @Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. % d6 E2 Q+ e6 C O' ]. V- lThrusted ' m& _% p9 g( V* I' MReplicas (TREPS) Conical 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 " {! D* C' W2 P! i" E9 R2 _phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. & L% p7 l9 ]/ C6 Q. z, ZTIBS (1) Theater Information Broadcast Service. 9 t5 o; p0 l/ |2 k+ l(2) Tactical Information Broadcast System. $ S2 w$ f% U3 ~: b4 J1 h- G. `3 q(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. " M9 K3 X) P* YTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 4 T* S- u2 s* O) yTier An integrated set of SDS elements that address a particular phase of the threat . P+ R; R& d6 m0 b- }(e.g., boost phase). : D" z5 D. v; H' e: [, U5 tTiered 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. TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 9 X7 `$ t) I* u$ P$ l5 ]300 1 N' ]" K) g$ J$ }6 }Time-Phased 0 t! L6 }/ C# z! F* k% a' I3 j4 n$ z sForce and + `# ?! V- h n3 G4 f w( \Deployment List 0 A6 b. R8 p: k+ J4 o( MAppendix 1 to Annex A of the operation plan. It identifies types and/or actual 4 w. \ y' \# B9 |; Dunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight (Max) % t* n7 j# I& Y4 L& YThe maximum time for a booster or vehicle to perform its function from time of 6 l9 T5 s+ Y2 Qlaunch. & L" J- U8 Q+ |3 L V6 Y/ l! rTime on Station The time the sensor is in its operating position. c: `1 i3 \' F- R: }Time Sensitive * x- Q5 o( l$ O9 Q; x, A" ? O1 [Targets 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. TIMS Training Integration Management System (USAF term). }5 @$ k1 R* M+ nTIN Theater Intelligence Networks. # `% z1 h3 [2 M. ~; xTIP TOPAZ International Program. 1 A6 w; E: x# Q0 }+ p- PTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar & S3 Q! R" P, ^( O4 W3 F- XTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. 3 |% H1 r; Q& J) a% @2 E7 kTitan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) * l7 I" B; y8 m. L( X' gTL Team Leader. , W" S7 o/ d# ?0 ?TLA Time Line Analysis. / c# z& W- _% v6 dTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). ! n$ F$ {" U% v9 I8 UTLDD Top Level Design Document. & R; O' v- l4 ?TLV Target Launch Vehicle. TLX Teletype. * E9 E( O0 ~. E( x! U% xTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army 8 d5 S) b1 u! x+ gterm). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. ' a" v- \" H7 C4 b) y2 @TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T ' G# Z: I, q( C1 a301 $ @* J6 |6 U3 W; H* FTMD C ( @# W6 |5 i7 D3 4 `' ]7 x; F+ u! M: p) c; t& ?I Those assets that provide connectivity between and among Theater Ballistic / o9 `% M9 W9 ^( a* EMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). ; l0 j8 c. e$ c) yTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. ' s6 A/ ]9 f" O% u% TTMD ITP TMD Integrated Test Plan. ! D, M2 q2 j% F4 W9 JTMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 4 K( u" c! K0 HTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. ) {3 S2 z/ M: T" O% b8 JTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. 9 f% [5 C9 y7 B7 x! _' mTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. ( s h: H# T7 ]) M! i, \0 vTOA Total Obligation Authority. TOAM Tactical Air Operations Module. % u: U2 M7 F! \" Z# Y3 K: STOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. ; M1 L- E* L1 ^* @7 K# W9 ZTOIA Task Order Impact Analysis. 7 l8 d7 L# a- h! \$ w$ oTolerance The ability of a system to provide continuity of operation under various abnormal conditions. ) b" y( y! F* a: M* ]TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. ; N+ Q% ^$ J; \3 jMDA GLOSSARY, VER. 4.0 T 0 @8 a- i% c" G1 n6 Q302 TOMD Task Radar Management Details. 0 H: x* k" E! {4 Y( Q1 Y( _, `+ oTOMP Task Order Management Plan. 6 V6 t/ W3 x$ kTOMS 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 hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. ) O* w! L/ j6 f/ C% J' kTop-Down Design The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. Top-Down : e/ [( d; Y9 v+ P3 s7 RTesting 8 l# U8 B1 s6 M, Q& W6 VThe process of checking out hierarchically organized programs, progressively, 6 X' G: r7 b) X+ L! w+ i. t/ `from top to bottom, using simulation of lower level components. $ H. Y* k& h( `. _. ]% ATOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. 0 |" \; w4 `3 ]6 WTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target . U3 t& [( w. C# ^# DTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. ) G$ Z* X2 d! u" x3 _Total Quality ( k: p5 N" N7 K5 j7 o) X$ j! `& p( SManagement (TQM) |, j5 s" a5 dA management philosophy committed to a focus on continuous improvement to & ~1 m+ h3 S7 ?! h) n" D. vproduct and services with the involvement of the entire workforce. : ~" u' X/ w; N) v8 F' c; g( d8 TTOTS Target Oriented Tracking System 2 ^4 t2 u4 Z" {TOVS TRIOS Operational Vertical Sounder. : p% s7 v3 J0 I) S# jToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. 5 b% `# b/ R3 l9 _ Z+ ZTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. ; r, U) L. Y, i8 t5 I3 DTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. 9 m) H& B+ n! K4 v3 uTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). 8 S' [& `0 b. i- S& t) dMDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. 5 `' W* |8 m/ UTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. % e6 o4 J$ N% X$ }4 sTPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office ; K: H' h# i+ b/ HTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target - e5 {8 z& V5 k- q3 ePerformance Report. TPS Thermal Protection System. 5 D% c; w6 K" \5 E# v, yTPT Theater Planning Tool. ; z- a( X; {6 Z! `) K5 ATPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 5 ^7 I3 `; _: ~Traceability (1) The characteristic of software systems or designs or architectures or I# Z0 ]6 A0 G6 J; s K" Vdomain models that identifies and documents the derivation path 6 Q5 U. n5 A8 F* E: n(upward) and allocation/flowdown path (downward) of requirements and constraints. / F; @4 u4 E" U4 `# n(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate : O( ]! ~3 L) g6 m9 ^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. (4) To keep a gun properly aimed, or to point continuously a target locating & a3 }$ ]" z2 Q) k5 Z: \( {instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the ( I! |- T8 z6 m9 m9 ?3 H2 |5 }# Cearth. Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to ! t0 d% W2 G% C' X: w2 c$ `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. . @* J; x& @3 n# [: p, n0 n+ M$ X# ATrack Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time . o5 O6 K# W* l* _2 u. I3 Ror place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T : r5 i0 l1 r2 G7 W, b! \6 O304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS 6 x9 I7 @; b' A; gmeasurements with irradiances with confidence of association; or some subset of the above. 1 W# x+ b- q+ O% D8 qTrack File-Track 7 t1 \7 U2 @" zHistory A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a - V b r4 `& h& c: }three-step process of data association, track initialization, and track improvement ; i5 t/ r' {4 K; L( R" W2 ~5 C" G- fby filtering. 9 n8 y/ Q( O2 K( q9 V; q6 K, wTracking The act of generating and maintaining a time history of an object's position and + }9 D0 E( D" ~+ ?: }any other features of interest. Tracking and 8 Q) p) J% K& ~6 r Q* ~* ?Pointing 9 Y: l: |% A+ vOnce a target is detected, it must be followed or “tracked”. When the target is % Y, n: W5 r3 v+ b Rsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing 9 D* b3 u# ~! eare frequently integrated operations. 9 j$ `" W' k( B' ]5 }8 ~Tracking Range (Max) ; D; E- V6 b& R2 M4 T: D S+ {The maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector 4 o) ^3 ~, Z; L! F( |3 Fof an object. The process typically requires observation from a number of frames. % C) Z8 [# U! a- @4 QTrack Production Area An area in which tracks are produced by one radar station. 9 S o8 J. u( f$ M& lTrack 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 ( k8 Q. U# b0 O6 pbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. : S( v3 q# c. \' u" _+ ZTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum * i$ O8 O2 C5 ^/ C* _; CThe maximum number of objects per unit time which the sensor system can ( r3 C1 D; P8 \+ P' \maintain track files. - I: ?% ^8 I& {2 @" l+ N/ }Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high 3 \ u& r2 r& Lendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. 2 R' M; F( k' P% }Trajectory The curve described by an object moving through space. Trajectory - I% L6 }' C) |& R& Y0 E6 }; T8 ?( rHistories Trajectory information on targets recorded over a period of time. 7 P9 {3 ^# Q2 s: a. m/ Y ^2 m$ sTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 4 e% r$ R, p$ C' O/ E' l0 n305 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. $ L2 g: v" m* V4 r2 QTransition to Production ' n/ z: }, l" j. XA risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security (TRANSEC) 4 x3 s6 J4 c2 _That component of security, which results from all measures, designed to protect 7 T2 x8 x8 U8 ]( q9 ] Tcommunications 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. 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. " Q/ o7 \. p) N$ G) n3 zTraveling Wave Tube (TWT) 8 {! ?/ G! O( n( J; T: s- l- u) YAn electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the # ~/ G m( D. A {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. (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 . ^) z* A& @2 f2 Z' \: e2 xused in determining positions of the points. & c# m+ ?$ ^" j6 b; X8 K7 dTraverse Level That vertical displacement above low-level air defense systems, expressed both ' e* s5 d2 D" K: N+ e! i) Bas a height and altitude, at which aircraft can cross the area. i3 T. X; G+ n* ATRB Tactical Review Board. / m' h, [# d0 D4 f( F5 T- a& ]TRD Technical Requirements Document. TRE Tactical Receive Equipment. , R1 [! C1 V2 v3 x4 h! p! RTREA Transmit/Receive Element Array (THAAD). $ y7 S3 Y4 Z6 Z6 zTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. , G$ N' _, r4 _, p! R: H' p/ W, @TRESIM Tactical Receive Equipment Simulator. 5 o) J9 _0 b" n. s1 e+ h1 A" k; yMDA GLOSSARY, VER. 4.0 T 306 ! d8 C' M% c1 P' |7 X/ z1 K# mTRG Threat Reference Guide. * H$ }" j% A( y9 M2 b5 VTRI-TAC Tri-Service Tactical Digital Communications System. ; a& p, M3 _% [0 JTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 3 V7 I& U! k3 GTRM Technical Reference Model. TRMP Test Resources Management Plan. 3 N8 J3 v+ s1 e9 [% X8 h- e% ?4 S5 \TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains . X4 G3 x/ k: Gadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission * B6 m2 N- H s m- Nperformance. TROPO Tropospheric Scatter. " c7 l! j2 {! \& ]( k3 K: oTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the ! z x% e3 h7 v* i- t% \+ A4 ^) Zatmosphere, the troposphere. The tropopause normally occurs at an altitude of $ m5 p" v$ \3 J4 o: c6 E7 I5 Rabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to ( Z8 b+ k+ Y; s4 j! Lthe tropopause, in which the temperature falls fairly regularly with increasing 1 h; S" Y' J5 taltitude, clouds form, convection is active, and mixing is continuous and more or / |3 E6 I" Y- V' n6 l" s. \0 aless complete. Tropospheric : S2 n" ]% H FScatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. Q D7 y' F4 O; Y. g! p6 eTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). 0 S$ N; i0 C( i7 @/ [" F& `(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 4 t1 L0 z9 Y% r g' ?Trusted ' d" z1 X8 U: I: v0 `Computer 7 t |5 f6 V3 @7 w9 u5 V* t8 e+ K zSystem/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. * a3 c# B( w1 y8 C. v: H' ^Trusted Path A mechanism by which a person at a terminal can communicate directly with the 5 j! k( Z: v/ O# s" I6 L1 Z. RTrusted Computing Base. This mechanism can only be activated by the person : }) X7 u/ ^5 D' l( c; e( Cof the Trusted Computing Base and cannot be imitated by un-trusted software. . O& Z* \8 Q: G ^8 TTRW TRW, Inc. f, A4 i7 G4 F9 G& u* \: nTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T j) ^4 G n; ]9 E5 y6 I307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. * o' I) q; p- b: O! H( |TSEU Technology Seeker Evaluation Unit. 0 o: `% E& r. E' u' UTsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. 3 H: C8 f0 E3 } i4 U4 r `" xTSP Target Support Plan. TSPI Time, Space, Position Information. 3 D( g* V/ f: Q9 ~- G' ?/ s) T" X! ^TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. & N2 x6 ^1 t+ JTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. + C2 R: Y% k& y& eTT Total Time. # _9 }7 {' H k: yTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). ! j; `' a% g4 z. STTA Total Time Accounting. TTBM Terminal Tier Battle Manager. ( P5 d( I1 C2 O- a9 t6 B9 v4 ATTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP / n/ d& D% A6 ~0 [* Dprogram, which funds the development and demonstration of technologies, / k, _" C* V+ @. c! x9 iwhich have significant potential for improving testing. & V4 p4 t. n, \5 _4 y8 i7 CTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. f6 \% Z9 M2 J- G- lTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. + M% ]8 a5 \& O/ vMDA GLOSSARY, VER. 4.0 T 7 z! K8 V% c9 U8 O7 D308 TTV Technology Test Vehicle. ! T" T6 B ]4 R3 WTTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. ( M( ?4 G# B+ t/ b# b5 c# }. q' Q [TVV Technology Validation Experiment. TW Tactical Warning. - c$ V( k. q+ ?7 l+ f* LTW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. ) L S' {) x" k K( |TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). H' i" y* C" E" t, VTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). $ g3 r2 u0 ]$ O8 y$ ^TY Then Year (PPBS term). 5 Q7 U- R, c/ I) jTY$M Then Year Dollars Millions. : `" Z. w, X4 uType A - System Specification States all necessary requirements in terms of performance, including test ! O& W" s' v4 T. T% Lprovisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission 3 \9 v0 J; G& R# [( j1 w' Qrequirements of the system as an entity. Type B - Development 0 ^/ B! g7 A7 P) s5 USpecification ! S3 a1 K3 _6 T$ z$ TStates all necessary requirements in terms of performance. Essential physical ! n' b. i* \( x% g. h" Econstraints 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 ; i, r2 }# d, cthose characteristics. ; l" N. H) U8 k4 N/ l, KType C - Product 5 X+ t; r6 v9 x0 U/ t) ?Specification Product specifications are applicable to any item below the system level, and 0 t/ h& F5 w5 |7 Umay be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. 5 x8 R: k) E vTyphoon Class of Soviet ballistic missile submarines. ( v' Y" q: q! B% pTyping The act of recognizing objects by measuring a set of observables, computing a ' I; p0 H+ \* m& I% a7 Pset of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). ! k2 K# S6 |: k5 I) oMDA GLOSSARY, VER. 4.0 U ' f; g8 l* [- u: K309 . w6 ~1 F% h& N; A! L! y' D2 AU Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. # r* j6 H/ [% mU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. + ?( x# w' f( i3 G4 D6 wUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. $ ~2 w% k+ z. M Z5 w0 PUAV Unmanned Aerial Vehicle. * o8 ]8 M) F+ }; }" L, b1 GUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. ) }: S2 `, K$ C& a( W0 Q U/ wUCAP UAV Combat Air Patrol. & O0 t5 a* Z8 W1 L2 t1 r2 J4 q3 K+ a2 XUCC Uniform Commercial Code (US legal term). 6 K1 B* \8 }8 q" P/ j% eUCP Unified Command Plan. - ^+ T7 ], o6 b, n8 h7 UUD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). & Z- E, c: I' g' D8 j3 V5 G6 N# hUDS Universal Documentation System. A standardized comprehensive tool for stating $ q9 n! O6 K8 a( l" Eand coordinating program requirements for testing MRTFB ranges, as well as the ; u [/ w! U8 [9 r$ Ucapabilities 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 Operations Directive (OD). The UDS was developed and is regulated by the 1 N" x; e, h# N' [+ O5 q. kRange Commanders Council (RCC).

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UE Unit Equipment. & S+ n! t/ Y. c( TUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. ! @4 S2 R& Y( T3 p% L' ? PUF4 Uranium tetra fluoride. - |) _( p; X( N. eUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. ( A) D% P& W- j# r- h4 I, [UFP Unit Flyaway Price. 6 y! c% Z3 ^: w$ n2 |UGF Underground Facility. UGS Unattended Ground Sensors. ) I& ^1 j# u2 @; mUGT Under Ground Test. UHF Ultra High Frequency. ; g; l0 x" J# L4 ]1 L: E& @UIC Unit Identification Code. , y+ }( c" w! `, Y; sUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. # I+ d0 O- i* l `UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). " ^, H2 }: ~& c: J* I, NULS Unit Level Switch. , ?+ o& O- Q7 X; u8 o7 XULSA Ultra Low Sidebobe Antenna. . J5 F1 w" ^' h* s* c. mULTDS 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). 4 u, G3 O+ `- ?UMD Unit Manning Document. . a! V! {4 L. N2 ]' x0 j8 O. HUMMIPS Uniform Material Movement and Issue Priority System (ILS term). ! V, u8 u7 k* y, x* g: xUNAAF Unified Action Armed Forces. ! T: C0 {) a) e4 o% J9 eUNC United Nations Command. Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ; E0 f1 q, F2 A7 hincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, ; c6 ^" {- a! y# xcovert, or clandestine nature. ! @! L' i6 x+ T( W( }9 l2 t+ P, }Unified Action Armed Forces ' u2 q, \; R, ZA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or 3 U5 S h$ j9 r) omore Services or elements thereof are acting together. 7 b4 J9 h o, ?7 y, D. v, O7 \0 bUnified Command A command with a broad continuing mission under a single commander and 9 ?+ _7 M1 x% a% Y; Dcomposed of significant assigned components of two or more Services, and ; X' f3 R7 r0 E+ i" \9 J$ C0 Qwhich is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. . M3 j- b3 F1 y; J* {MDA GLOSSARY, VER. 4.0 U 311 / c; i) B8 ^& c! pUNISYS UNISYS Corporation. United States Army Space Command ; C) [4 \2 R* P* @, s5 Z5 \( V(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army # Z$ A3 G- T c; O* q! ]elements of the SDS system. Located in Colorado Springs, CO. United States * o$ _ _; _! k9 X9 ISpace Command & Y5 K! ~ y% g9 |& D) z(USSPACECOM) 4 _. n1 M2 t$ ?$ f* rThe unified command responsible for planning and conducting ballistic missile % b7 }" g( F$ S9 v/ b% Pdefense. Located in Colorado Springs, CO. ( Y4 o2 e+ W7 K2 f0 o9 SUnited States Strategic , ~* |. `9 \! `* D0 ]" xCommand (USSTRATCOM) 3 D* }8 _! Y5 u) s' j% ~5 HThe 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 ) z2 t9 m& v1 _( Y3 lCommand (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea 9 w! m+ u9 O: F; a9 g7 v! }, Mtransportation 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 5 T* S/ G* a) [0 \ Mterminal services, and commercial air, land, and sea transportation, including as ( u; g# P3 I- c/ j$ }/ [needed to support the deployment, employment, and sustainment of U.S. forces 9 H$ i4 R; A+ hon a global basis, as directed by the Secretary of Defense. Located at Scott & ~" W! q/ d% @' p, N( r1 F- D6 s" ^6 [AFB, IL.

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Unk Unknown. 1 ^, N1 A0 F' s( Y3 W/ J2 G: aUnresolved Objects 1 t& @9 {. ]6 _ R" sObjects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object. & n! c3 C$ A( D, @. t( V8 n7 \UNSC United Nations Security Council. & S/ I) I) K& JUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. ' u# T* M% J% s. ^UPD Unconventional Passive Discrimination. - b |8 W4 K& t, M1 TUPS Uninterruptible Power Source. 3 B8 |- p: D7 e1 KUQT Unit Qualification Training (ILS term). & B# ` H5 M% x6 g4 y2 ^2 C PURIP University Research Initiative Support Program. * m! ^( R# M: c; w' P: q- PURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. ) z- P0 a6 E& ?/ ^4 x, lUS/UK United States/United Kingdom. & j- ?" F, v# AUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. ) M7 }9 I0 p. fUSAAE U.S. Army Acquisition Executive. : x% c( o0 f$ [ DMDA GLOSSARY, VER. 4.0 U 1 i; i( t0 s/ E$ x+ q$ d312 USACE United States Army Corps of Engineers. 0 y3 {' u: M" `2 l2 gUSACOM United States Atlantic Command, Norfolk, VA. $ [' M- t2 @. Z- iUSAF United States Air Force. USAF/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 & f- }8 b% p) L* _( A) CSystems Command /SSD. ! S6 }( k* N1 A* s! Q$ sUSAF/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. 6 L, A P' W2 }# \. Z0 w hUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. $ s9 ~2 \$ y) y- f; I8 |USAKA U.S. Army Kwajalein Atoll. * h+ M1 k% `9 t0 [( e# h2 S- hUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. 3 b" D7 L& `, P9 mUSAMSAA U.S. Army Materiel Systems Analysis Activity. * v' l4 ^% w( A/ k! z3 rUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. ) C7 E( z% b" Z1 ^* F( w8 o) P1 gUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. # Y! S; h! z5 s! tUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. / ^( g/ V x: G E" o6 xUSATRADOC U.S. Army Training and Doctrine Command. ) T2 N+ c' }3 v/ X& LUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U ' o0 E/ Z& E l' {) e313 , t- |* m1 g2 u. e' E4 H' PUSCENTCOM United States Central Command, MacDill AFB, FL. 8 c# l0 d. d4 \% AUSCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. 1 A9 L( @# D+ j, b7 BUSCINCEUR U.S. Commander in Chief, Europe. 0 Q \1 A. k: G9 b6 g! G/ QUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. ' b0 C# z* u3 mUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). ; Q" X& X. G I# a; MUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ) X2 t* E* q. E8 cUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. 9 d3 V( _! P4 v) {) i$ TUSD(P) Under Secretary of Defense for Policy. J, K* f7 b9 E$ i( E$ vUSDA United States Department of Agriculture. + y) y4 v- j/ r& T Z) P' B9 s9 fUSDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation 0 K4 w9 f- `! x; v" w. VSystem (UOES) + u$ T3 q/ O7 N JPrototypical 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) contingency defense capability should the need arise prior to completion of the 5 n( a& _, X- ]9 ~2 s! Hnormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. 7 e5 l3 q" ]8 f4 {7 E2 ^/ WUSFK/CFC CSFK Combined Forces Command. $ w/ x R6 F. N" I. PUSG U.S. Government. 9 n8 w a# M4 {+ i0 C8 R6 C6 QUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U % R( @* h6 ^: n. Z+ h3 P3 u314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. $ d7 h# h% s- X @' p2 ` zUSMAR- FORCENT 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. ( X9 [6 q' x8 j3 YUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. , [) b7 `; Q1 E$ oUSMILREP U.S. Military Representative. & |, n' X2 I4 DUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. + u( N0 L5 N& iUSNAVEUR U.S. Naval Forces, U.S. European Command. 6 S4 }( \& O6 MUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. ! h. f; h$ w- `& i7 _USNPGS U.S. Naval Post-Graduate School. ) ]# v: w: d7 Y8 J* [USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). % W) z8 [9 r% v8 R7 b# lUSSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. . k& C5 d3 D9 M9 ?+ v4 y% GUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. 3 W5 t+ Z& o% N/ K# @, d) aUSSS United States Secret Service. o; P, ]" U0 h! IUSSTRATCOM See United States Strategic Command. ( x* Y; y2 }) A* k* xUSTA United States Telephone Association. - P' b1 s' y' u% j$ x0 b6 w1 I oUSTRANSCOM See United States Transportation Command. # f3 |" G+ ]$ E6 S0 o. w8 s' z3 uUT Universal Time. 4 y" i J# d: s# P# q- xUTC Unit Type Code. 5 `$ u7 Y3 b( ?1 `MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. ) z0 A& o5 }+ {! y8 n* J' r. aUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. 4 _, O( d6 |, K* yUUT Unit Under Test (ILS term). 9 }+ Q! k- _3 e4 uUV Ultraviolet. ( G" H* a1 G0 l1 M* MUV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. * w8 n9 G( u: [; F) W3 D+ w- AUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 V Volt. V&H Vulnerability and Hardening. 8 ], K9 I1 J& z) IV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. 6 {, f; q6 m& P+ M' ]0 Q: _1 g7 zValidation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. + \; I9 C" b& dVAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases - F2 Z+ X7 I/ jwith the distance from ground zero; or, in damage assessment, a mathematical $ H, Z2 p/ O$ _& k/ _- efactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. + ]' \( n/ x0 U- |; i4 X7 HVBO Vertical Burn-Out (velocity). $ N7 f0 e0 @: zVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. 1 T$ Q% D" `0 k8 p' yVCS Voice Communications System. p" Z* ~" H! c0 @0 @$ u4 @- NVDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. 0 ~! m) v4 [' U! q# Y8 G: j y: [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 4 c! G) g& {# _9 n! w" i* \9 n) mrequirements. VESA Video Electronics Standards Association. & @1 R4 l1 j+ L0 UVFR Visual Flight Rules. $ \+ w& n. c# d. ?1 QVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. 8 w: p6 T r" H6 q& i0 t5 y3 d2 uVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 8 [5 m0 C, m- f0 l% t6 {: d3 p6 ?317 " [& ?, Y& w8 _1 K! o& IVIDS Vehicle Integrated Defense Software (USA term). ! M# x4 o% k3 \0 x2 hVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D ; E& `, ]0 M$ O; zExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional % r: I5 T# o! lcircuitry and commercial components. Project also demonstrates VIRGIL, a " ]/ Q3 B) ^0 B7 l) }& ygimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and 7 ]1 y. T( X/ g2 jprecision-tracked with the ANTE processor. + x' s- z: [7 h, c4 B0 \2 sVIM Vibration Isolation Module. 9 b, d1 [* F0 c0 _# B5 x6 TVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. , O. m% e, `6 \0 z ~2 bVisibility Range + M! B: i: b6 w" A6 P(or Visibility) 6 }! g Y/ e8 i+ k7 e/ HThe 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 ' s7 a3 O M6 J7 |% pclarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze . o2 M4 E# w# V( P, {8 j' gor fog. The visibility on an average clear day is taken to be 12 miles (19 7 i# q0 _8 k4 ?' [; skilometers). Visible Electro- Optics 6 L9 X% ^4 D; TTechnologies/techniques employed by optical sensors in the visible portion of 7 s+ |9 m7 k6 |2 |0 l# ithe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. 8 T* U+ a0 ?: S& H& E- uVLOS Vertical Line of Sight.

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VLS Vertical Launch System. - G/ g; R8 h6 O. i6 m5 A9 S) U% TVLSI Very Large Scale Integration. VLSIC VLSI Circuits. * @1 ]6 O- [. s y' HVLWIR Very Long Wavelength Infrared. + M; Q) Z G3 B5 D) Y0 OVME Versa Modular European [standards]. ; W! c3 s- N9 f* h& E5 h. AVMF Variable Message Format (Telecomm term). VOX Voice Actuation. , l" S8 v8 p& |( j/ D* X jVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. ( z& C- e8 M9 d; o* H7 x$ L+ wVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 0 F1 G _: I$ x9 }9 K7 ], K5 \% K; @. _# mVulcan UK bomber. 0 N8 `9 z1 o8 P$ oVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. 8 S2 I0 E; o' }7 N& ]VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 0 L# W! R3 F @7 W3 ~W/ With. w/o Without. W/TD Warning/Threat Detection. ( c& p! y; Q) u6 oWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. & {& W2 L; i+ f5 U" u8 z' ]( GWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. # M# C! w: `! B( t& Z7 ?% \, ]WAN Wide Area Network (Telecomm/Computer term). " Z# A0 s9 \4 R( I0 WWAP Wide Azimuth Probe. 0 ^# B J4 r1 _( T: qWar 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 ( }% f& r/ k1 h. ]" Hor assumed real life situation. - N0 ?3 {! ` I9 fWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the + n8 {1 ~- F' M% s( t! I9 n; LJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and 1 q0 y+ h% \6 x$ v9 Y) gassessments. / C( L, ^/ A. VWarhead 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. ! k% o2 z+ E6 P4 P4 ]+ A7 v' rWarhead 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 & l. N. r% B( \( h/ ^- j! Sarmed 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 aids, threat recognition, weapons, and countermeasures systems that (1) will 1 W6 ^! a9 i | ycontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if + h( y. E C0 G& z6 P; I5 vknown 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. 1 h% `- G* j T) ?( G; CWAS Wide Area Sensor. ' m: B" m. I5 ^) YWASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W ( d& |! _/ L" R* F& U6 Q320 WASHDC Washington, District of Columbia. $ o# X$ z1 L, mWastage (Max) The maximum number of defense weapons which, when used, will be ineffective 1 @1 d, e+ i, t# O! g1 ]6 E2 ein contributing to the defeat of the offense. Watch Condition - Y4 _4 j u E3 k. l- Z(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 9 |/ a: Q. v h' S% g& ~WATS Wide Area Telephone System. & U6 Q- X: z' L: ~4 {6 Y) L( J& yWAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive ; J+ U5 `# K! _) Q& k% s9 xcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. & F* B( k2 m, j; k' r; XWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. - _$ N( u2 \- x* X/ x- ?WCG Workstation Computer Graphics (Computer term). ' I8 o) o' k. j$ j7 g/ ~WCP (1) Weapon Control Processor. (2) Weapon Control Platform. $ T$ g6 G5 N; uWCS Weapons Control System. WDM Wavelength Division Multiplexon. 1 l" O2 x* [$ ?1 l4 WWeapon Enabling The set of control functions without which defense weapons cannot be % L0 u/ l/ P# ~9 m* glaunched.