航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 3 [9 d7 ]# \4 P0 ?0 _0 M D298 Theater Missile 9 d) |' i/ R8 U( z+ L) t9 C" {6 y7 vDefense Council (TMDC) % ^' v% g \: [A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for 9 q) a+ |; D0 @. {" ~8 S" RAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High 3 t- ]2 \1 f0 i8 B1 w" r {5 d" {Altitude Area Defense System / c2 ^* m- @7 }: i- N7 Z; `(THAAD) A ground-based, air transportable interceptor system that will provide wide area 4 q* L" F& ]0 a) mdefense 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 2 I3 ]1 _2 l( R% dPATRIOT. 0 V* L: p( r4 b$ z* ]4 f! O6 rTheater 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 % ]. W5 _* B" o. p; bof attacking targets in a theater. Theater Missile 9 O9 d6 H) J8 h6 _- W" dDefense (TMD) - @$ u8 Q" Q* r% r' QOBSOLETE. The strategies and tactics employed to defend a geographical area 6 t, ^& P5 G' y# M$ K6 voutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile + c& @2 S9 j: ] p- @Defense Ground- Based Radar (TMD-GBR) , Z1 p2 Y, \/ r6 gA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. # K/ |$ S( {8 \, C# I8 Y/ |' D$ B- c, eTheater Missile 3 G% n8 O5 ^ j$ g5 W) kDefense Initiative " c, W @7 Z6 {$ p) ]/ D(TMDI) An initiative under which all DoD theater and tactical missile defense activities are ! e- H3 Q& G0 G$ l+ E8 ycarried out. Section 231 of the National Defense Act for Fiscal Year 1993 0 k4 ^1 Y \9 @: l& ?(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 * q1 F% ]# G' R3 ~( Ethermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree 6 p6 R! f5 y9 H0 _, b O$ I! gthat structural components fail. % ]2 s$ f" B5 [0 ]5 k' k7 jThermal & ^; ~, [2 t6 n jManagement Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. 9 A1 }$ R% i/ ?2 F5 O7 HThermal . m+ O/ f" {7 K, BRadiation 0 D4 A% j" a2 F1 j8 nElectromagnetic 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. ; x0 `. T3 r6 j+ A& R) |% bThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, : p) t* w' g7 Z' J% yemitted 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 absorption of this radiation by the ambient medium, accompanied by an increase 5 q' G$ }: l. n; j$ q4 k( Qin temperature, which results in the formation of the fireball (or other heated 0 q1 y' K2 m/ [* r/ J* A5 \region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 6 ?* v$ u* h4 x1 F: B7 y6 fThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; . { U7 ^( p! x/ z% }- lit is a region of more or less steadily increasing temperature with height, starting M9 C: {; r" u5 i, A8 wat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the , B+ N4 D8 R }" B5 e' M' fexosphere and most or all of the ionosphere. Threat Characterization ! V. w# R; }3 {1 C Y; xAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (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 3 K J/ S; V2 R& jtrajectories to be represented by a single trajectory in battle management # F" Z1 \7 R- L/ r5 @% E, S8 ?computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic . O) C& F/ I( a1 v) k5 G7 M6 T; Jmissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. 7 d. N7 }1 g. ?" ]: L; X3 [! fThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance $ V& z, `+ k _+ }2 mobjective. Threshold c4 F1 f! w8 ODefense * ]6 E" _5 n0 `- {3 w0 v7 @9 @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 5 F6 B d" f! q: m2 j% s+ @offense to mount a relatively large and complex attack. / s7 N& J2 i$ J$ wThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. . l4 Q; E* k* D# P4 u9 |! TThrusted # J/ J( c, k( F+ U1 s& \" EReplicas (TREPS) ) S" _3 O8 F& z5 r# q: HConical decoys equipped with a miniature rocket device. Generally used to c8 R' ]4 u4 K- A$ p# Fchange the decoy’s optical signature to resemble that of an RV in the reentry * _: b9 I5 _: ]# zphase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. ) @4 F2 d7 p5 t' D& [7 `( TTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. - ?$ y$ ^( F5 K& @9 HTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 2 j* W; g# C& hTIDP Technical Interface Design Plan. TIE (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). # s+ x: P9 P4 |4 y6 [1 w4 D. y7 [Tiered Defenses The use of defensive systems at different phases of the missile trajectory. $ {" e ?2 n. HTIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. - j! S# R' _, J$ @( H# ?( gTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. 1 z5 x5 U! U* ~0 l$ a# L+ w: `$ KMDA GLOSSARY, VER. 4.0 T 300 Time-Phased 6 E4 i; u1 ~- R+ OForce and Deployment List 3 y p1 a" V x* ^Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. 8 n$ ]+ N# V9 ]6 l! N3 I$ n( K9 eTime of Flight ) i$ u6 C; z% J8 x4 y* Y% j(Max) The maximum time for a booster or vehicle to perform its function from time of launch. Time on Station The time the sensor is in its operating position. 8 t& r B, `5 W) g8 o6 MTime Sensitive . ~7 _1 i% d4 B( W1 n* q# g" `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, 2 ~+ n8 E$ J: Q Q$ D: p: l7 lfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. ) T1 l5 x' v8 J, A- ]TIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. 9 }$ `: @: T# R$ ]TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar ; o+ \5 v" c0 _Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety 7 o( G2 `3 c# v1 _* `0 L" y5 VTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. % C5 H! N7 r- q7 n; STitan USICBM. / S5 }3 u7 m+ n( p9 TTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) - k4 q# J* |1 @+ H- U# y. Y9 BTL Team Leader. TLA Time Line Analysis. % ]( o# Y5 j5 y+ PTLAM Theater land Attack Missile. 0 z0 [. @9 Z3 v+ `7 TTLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. * A( M5 Q6 k- r% s5 y6 GTLV Target Launch Vehicle. TLX Teletype. - W5 ]8 u: o/ y. I+ c2 B! P1 \: tTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. 1 ]* |; r. y4 F7 s4 N% DTMD See Theater Missile Defense. , R$ |. i4 Z! ]2 e7 _( zTMD C2 Theater Missile Defense Command and Control. ) U4 i* P& G y) F6 e5 K3 r" u$ r- ^MDA GLOSSARY, VER. 4.0 T 7 r# \3 o- k" _0 O301 / L# ]6 i, K- n/ G5 E7 d6 q; T' VTMD C 8 u: u, p. F' J7 I# ]( D) e3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. # p& m3 Y+ a2 E" }5 n* u, B6 MTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). , {9 s `* p- H% K+ U7 F$ T% ]8 LTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. : k& Q9 C) t1 |! f$ S0 rTMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 1 A: F& C* |! {( iTMDI See Theater Missile Defense Initiative. $ n! b V/ q! K; s+ XTMDSE Theater Missile Defense System Exerciser. 4 V. U$ j( |9 O9 C! cTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). " M, b7 h2 Q/ F6 d; x5 }0 v7 g; E6 i& {TMPCU Tomahawk Theater Mission Planning Center Upgrade. 9 a/ w3 t; @8 DTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. ) o O( |1 m2 T$ J# Z8 OTNF Theater Nuclear Forces [Treaty term]. * s" x3 r G; z+ }* u' `TNT Trinitrotoluene. 6 H4 K* V/ C4 j+ e1 _TNW Theater Nuclear Weapon. 2 \" y3 N! N8 \TO (1) Task Order. (2) Technical Order. $ s0 g1 I; E* |" a# q' NTOA Total Obligation Authority. TOAM Tactical Air Operations Module. . p& v# ]# e' Y& QTOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. * `2 b0 h$ J' c7 T! d! @TOI Track of Interest. TOIA Task Order Impact Analysis. . d7 x( F* i1 I1 g; eTolerance The ability of a system to provide continuity of operation under various abnormal 1 q1 W- s# z8 Z' w4 cconditions. & h3 h0 F H1 L( w! | jTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. * H0 ~ r4 K, O3 ?' oMDA GLOSSARY, VER. 4.0 T 302 - V: r2 G. R! T; T: CTOMD Task Radar Management Details. * c- S1 @8 b7 t' X) A2 x, aTOMP Task Order Management Plan. : v( X& ~6 @" `% M, K2 r/ b5 aTOMS Total Ozone Mapping Spectrometer (NASA term). ! K; ~9 Q, g7 [9 G. U6 ?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. Top-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. 5 l B F, j4 X' L' ?1 ~Top-Down Testing 4 u! U9 y' ~4 k0 m" CThe process of checking out hierarchically organized programs, progressively, : @$ ]( [$ Z& H# x5 Dfrom top to bottom, using simulation of lower level components. 6 r' j9 P7 D$ v8 UTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power 7 f' z4 a/ ?+ I1 e' ?0 V! gtechnology to U.S. BMD applications. TOR Terms of Reference. 5 N: c N1 }% V) }5 C: ZTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. 3 H% h, E1 a3 L5 p$ |TOT Time on Target Total Obligation Authority (TOA) ( ~8 I" D; Z/ a1 `1 I6 d+ zA DoD financial term, which expresses the value of the direct program for a given 3 j4 X& R% V" J# k3 u: @' F" m6 cfiscal year. Total Quality Management (TQM) , ^ ?# J5 U2 S; S; B( e0 P, |A management philosophy committed to a focus on continuous improvement to 3 { v, Y) A% dproduct and services with the involvement of the entire workforce. 6 a8 {0 g* j$ b6 P% u0 ~4 L( tTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. 9 _/ D8 e% c9 E6 AToxicity The kind and amount of poison or toxic produced by a microorganism, or ! p8 F6 ]. D# q7 q1 h2 ^8 h/ Y! E, Lpossessed by a chemical substance not of biological origin. " t4 L# @8 u1 L2 YTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. " J& B) h) n1 k, iTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 2 z8 m5 H! x* V) @' V303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. ( Q. m# w) F" x; q5 N0 oTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). * T* i6 R/ V( |& P% a: Y uTPO (1) Test Planning Organization. (2) THAAD Program Office / J: F' t, h& t8 wTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target + R2 Y& @$ A( f% ]1 S1 B ~Performance Report. / n8 J* T' H3 o, a6 yTPS Thermal Protection System. ' @- A2 [7 m4 xTPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) 6 U( l4 G6 m" B9 k- [1 X+ hTQM Total Quality Management. % j1 i0 w+ m; F" l& l4 ?Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate 0 o) b+ ?! E: nrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 9 X1 q& F' ~+ L k& {2 F(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 , n, m; O9 Z+ H7 Q8 `instrument at a moving target. ^) E* `8 L; q(5) The actual path of an aircraft above, or a ship on, the surface of the 5 A& R2 z0 ?" A3 g# kearth. 9 ?. V, A; T4 ?8 V) Z2 sTrack Assessment ) {0 z% {: h: A$ M- yThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to . n, a# k& G( @6 kDeath The maintenance of an associated track through all phases of flight (i.e., boost 6 H' \" v( G, s' D* t bto reentry). Track Correlation The combining of track information for identification purposes, using all available ' [1 X9 R0 `: ] Q/ p$ h! R8 jdata. Track 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 or place (e.g., reentry). ) R6 m& ?) U, t7 UMDA GLOSSARY, VER. 4.0 T 304 * D/ P: a- W6 b i# O& q0 q0 \Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS - n5 v& E1 J7 h( imeasurements with irradiances with confidence of association; or some subset of 6 U( z4 c! Z3 ]" W9 _+ U4 Sthe above. Track File-Track History 1 ~) g) E1 v: V$ {8 [& zA 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 9 D6 z+ k: [' @6 I* N) a& \* t9 |three-step process of data association, track initialization, and track improvement 2 K7 u$ j( a' T$ l. i" r. cby filtering. ! i* r" V1 P1 L3 I7 U% XTracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and 0 Q' T* Q# x, U- [4 U; \Pointing 0 V' Z' c: d1 I/ ?, DOnce a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. Tracking Range ; v; c8 m! _; E" A! w% D(Max) The maximum line of sight distance at which a sensor can maintain track of an , s) v/ F8 j {, j: ~. tobject. . P5 H F3 q9 j( | o" QTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector $ U! F& L F' B' jof an object. The process typically requires observation from a number of 7 U& Y. u, K5 A ~/ qframes. 2 v' D% a4 p& Q# F5 m# Q' `1 tTrack Production Area ( Q f3 f |) F& ]5 q" OAn area in which tracks are produced by one radar station. $ g$ \. B) g ]) H0 |Track Symbology Symbols used to display tracks on a data console or other display device. 2 V4 v% ^. @9 W6 K/ _+ kTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. 6 @# v7 l7 T; q* P! M$ JTelling may be classified into the following types: back tell; cross tell; forward tell; : \+ U- U4 O! T2 ?: Ylateral tell; overlap tell; and relateral tell. ; R5 N. ~' p$ ^) iTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability * l& I' }3 v* Q$ b4 o5 c9 eMaximum ) f/ E }* ~; S& H6 kThe maximum number of objects per unit time which the sensor system can 5 C7 T! t+ X" ?maintain track files. ' G% k& k0 e1 u6 A7 p1 r! y" dTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high ! C: L4 R. G% lendoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. 4 ~$ A+ a! r0 { V$ b9 _Trajectory The curve described by an object moving through space. Trajectory ( Z! K+ S+ [$ `" j$ D8 A5 IHistories $ |8 ~% e+ _) w$ _9 }Trajectory information on targets recorded over a period of time. * Q$ k. ~+ ~. o4 S: WTRAK A data base management system (not an acronym). # D9 y* F: S% r2 j/ Q& E/ OTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 6 R. ?# x; W" e4 A/ ~305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. ! w! D1 a. q; J8 U1 q* PTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production A risk reduction process during which the program shifts (passes) from ) c( w' r* P7 V C! J Edevelopment 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 $ G7 t5 x2 I! q) d4 G- f& y(TRANSEC) That component of security, which results from all measures, designed to protect |: N2 S" \7 T) |# O7 bcommunications 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. / X( h2 I( G5 b8 ITransponder 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. Traveling Wave d2 ^6 x d6 [; }7 ~Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in % ~7 T0 K; J% i% ?$ F0 J3 Xsynchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. & p4 r# o8 z* o% E! ~(2) A method of surveying in which lengths and directions of lines between 5 h" q* P2 W" S9 ?6 P! |1 ipoints on the earth are obtained by or from field measurements, and 3 ?+ D" c$ y9 x/ V9 r; dused in determining positions of the points. 3 | n+ ~2 ]# }: T ]9 A2 I( ETraverse Level That vertical displacement above low-level air defense systems, expressed both 8 O7 n' U, }& t9 Ras a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. . Q& P' L/ {& _8 wTRE Tactical Receive Equipment. ) F$ O; ?6 ^ E% QTREA Transmit/Receive Element Array (THAAD). ( ~4 o( x* c2 d' xTREE Transient Radiation Effects on Electronics. 2 F8 ~3 R. N0 q r+ p6 mTREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 2 E) c* n; A- s$ Q306 TRG Threat Reference Guide. V7 q+ K' D, v& e- L/ g& c" ATRI-TAC Tri-Service Tactical Digital Communications System. 4 `% Z% s0 x* x6 h% o# [; [TRIDENT Class of US ballistic missile submarines (USN term). ' F! [. p7 \, K- F" K. X8 I% oTRIDENT I (C-4) US SLBM (USN term). + v1 R0 w4 r' Z* mTRIDENT II (D-5) US SLBM (USN term). / o% r' N& C7 j0 d( H/ A* E! [TRIM Toxic Reduction Investment and Management. & j& l& \8 T" A- uTRM Technical Reference Model. TRMP Test Resources Management Plan. ' G/ d! d2 H+ t! y5 mTRN (1) Task Requirements Notice. (2) Test Requirements Notification. ) `5 C+ J1 f+ v+ U& P- DTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 6 A6 R" y; ?2 M; Wperformance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, 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.) # v" { I" }" rTroposphere The region of the atmosphere, immediately above the earth's surface and up to 1 ^& l9 S0 n+ Z1 ~7 |the tropopause, in which the temperature falls fairly regularly with increasing ( X1 f P5 t- ?# J& Xaltitude, clouds form, convection is active, and mixing is continuous and more or % E- v7 d4 {) y5 I" Vless complete. % U" X( ^" C+ ?Tropospheric Scatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. 3 r' y7 C; y* K0 QTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). % C' W" T! p# L(4) Technical Requirements Package. 0 ]- e" I4 ]6 E; {/ Z: j6 R; e& U+ eTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer System/Software & D, [) w6 o# e) J" L' c2 lA system or its software that employs sufficient hardware and software integrity 8 H. K* X0 u& F1 c, A T& imeasures to allow its use for processing sensitive or classified information. ) m$ K* y, g( x; [ i: L( WTrusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person 5 r8 N# S2 s$ o: k) Cof the Trusted Computing Base and cannot be imitated by un-trusted software. ) H' ~8 B( i! e+ sTRW TRW, Inc. + o& B* m6 P8 k9 ~0 T7 I% STS (1) Terminal Service. (2) Top Secret. . C0 s( V0 @' h( sMDA GLOSSARY, VER. 4.0 T 4 Q! s( e$ U- h5 x307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). 8 G& L" X3 i" h4 p& W' G0 `TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. % q6 L# R2 v7 S. U* mTSEU Technology Seeker Evaluation Unit. 1 c4 S, b! a$ }TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. * ^# v; s/ I6 D5 }) T& sTSP Target Support Plan. 0 ?. d" F) s6 W9 o3 J; Q0 gTSPI Time, Space, Position Information. 9 F* c# N* q7 T/ x$ b# fTSR Target System Requirements.

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TSRD Target System Requirements Document. # K. {( K- d* [* o9 M. S( kTSS Terminal Surveillance Sensor. - z5 ^6 [7 w7 u# M# sTSSAM Tri-Service Standoff Attack Missile. . Z' k7 i- p, E; R) J" iTSWG Target Signature Working Group. 5 W5 M: F$ Q2 b$ G2 vTT Total Time. ' [" w1 I: C' `" J" yTT&C Telemetry, Tracking and Command. 0 ?! n* e8 |" S7 [* A( aTT&E Technical Test and Evaluation (Army). % N( `. V/ o- U- ]( I; m3 zTTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. 5 @9 t% W. j- S, u" K1 C0 g* ATTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have significant potential for improving testing. 6 P2 b/ l% J( X. X6 C9 ^ LTTEL Tools and Test Equipment List (ILS term). ) h C/ M) L4 d& S7 v, r, jTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. ) l) w& z( N7 d1 u! t% q: Q7 iTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. 7 a j$ |+ n' q1 ]* |, XTTY Teletype. - R( b9 L8 |% W, r+ I3 @1 J, @TUG TRACE User Group. & v B/ K, h" v! |' F# q6 u/ l+ dTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. 1 K. y; X8 U8 x! P$ @TVE Technology Validation Experiment. ( r2 C, x% |( k4 u- U ITVM Track-via-Missile. TVV Technology Validation Experiment. & \: [7 ] r* B# ^7 @TW Tactical Warning. $ @/ M7 Q+ {4 v# E1 J# DTW/AA See Tactical Warning/Attack Assessment. 6 n7 P& S1 g R8 x7 g: S# j! W+ sTW/SD Tactical Warning and Space Defense. * H2 N; D# ]2 X& S2 `) q7 j5 ^TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. ' D: ~! c7 P0 N& b# w6 u$ xTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. 5 P' s0 L" b1 u6 y# u; U' ^4 bType A - System ! j3 b4 v% {5 d0 c2 h/ kSpecification States all necessary requirements in terms of performance, including test ( t- Z9 B2 C6 Z$ I$ A( U a% y9 ~provisions to assure that all requirements are achieved. Essential physical N( ^' c* q" k5 Fconstraints are included. Type A specifications state the technical and mission requirements of the system as an entity. 5 A3 ^8 R$ E+ ^Type B - * m3 C2 e& q& L) p9 ZDevelopment ) I2 G, `. J; XSpecification ' a) T. l9 M( A, _) N) wStates all necessary requirements in terms of performance. Essential physical 9 L+ I3 O7 ~# b1 [* mconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item ) F% p/ b* o7 I* ifunctional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product Specification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of * t! `! f: g5 L, r& R' W7 oprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. % r6 }" e% W5 x& D& P8 t( L/ q4 _Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 309 U Uranium. - Q+ J. Z4 Z- `7 ]U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. $ i# A1 I9 I& s% iU.S. West U.S. West Incorporated. # }1 W- U% M: ?U.S.S.R. Union of Soviet Socialist Republics. ' L# w+ O3 L4 a6 n+ z* E2 H) H5 BUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. ! v0 W8 _0 K' _, y/ I/ wUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS 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 3 O( G. }9 A+ C: q5 oconsists of a series of six planning and execution documents: 10 are the ' L2 T }7 y% W4 t0 [/ b5 tProgram Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) - X8 P% j# I' N6 Z: DOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. ! z3 C* a; C/ ~1 z1 WUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. 1 E# X) R @. V4 f, l6 cUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. ( z% {# o# w2 q9 BUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. f! M4 d. b: E# C9 _9 ~1 a9 A! tUGS Unattended Ground Sensors. ; p3 L2 f* ~+ T* A' [8 Q# _( kUGT Under Ground Test. . _" t) i" A. b f$ `+ ?: tUHF Ultra High Frequency. 2 v s! A$ `3 t: q% W% ^' k2 l9 AUIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. - P1 G! G9 ?6 a! |$ ZUKTB United Kingdom Test Bed. * j F1 z& X' B' j$ eULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. " d* j4 B% n+ L+ _ULTDS Unit Level Tactical Data Switch (SINCGARS term). - G. I$ O S$ |( D8 J! w QUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet & V) A! Z2 [7 O. v1 Z$ K# |8 t- @0 g(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). + Z0 r7 l; \( B$ S$ ^& B9 uUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). % b9 p% }( z2 O$ f/ nUNAAF Unified Action Armed Forces. 6 H. I6 h3 \$ I0 Y' RUNC United Nations Command. Unconventional Warfare / v& ]' Y! R+ x2 ^7 tA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action 4 h9 b4 v4 \2 D0 AArmed Forces A publication setting forth the principles, doctrines, and functions governing the 1 F; b* N% ]4 i$ Z( `activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. , L* M3 x: ~2 r0 XUnified Command A command with a broad continuing mission under a single commander and % G" E7 k! d! ecomposed of significant assigned components of two or more Services, and k0 ^; C3 j1 R9 W F9 U! @3 m+ Awhich is established and so designated by the President, through the Secretary . |. X& m7 }7 x2 X9 u0 gof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U ' n' S# `- a5 p% a6 N& b: B# A' p: }311 + K4 ?* o* h/ ^; o6 SUNISYS UNISYS Corporation. 2 L$ ?7 ^4 H+ z5 t% P, @United States 3 q r, ]2 ]. x& AArmy Space Command 3 l! g2 _$ d' t" B- q, K(USARSPACE) 3 m3 `0 g1 t& y4 O" L7 ~; XThe Army component command of USSPACECOM. Responsible for the Army ) c8 n* R E: J* O) R/ X9 O: D( Felements of the SDS system. Located in Colorado Springs, CO. United States Space Command (USSPACECOM) 4 F( J* z5 i8 d* LThe unified command responsible for planning and conducting ballistic missile 5 X; x0 X- R8 L! n: X5 Y0 |defense. Located in Colorado Springs, CO. United States Strategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic - R9 D) U3 |8 u, ~4 E. C8 vmissile offensive combat strikes. Located at Offutt AFB, NE. ; C; W- v/ Z6 ^* Y' v( R5 nUnited States / i: O6 Q6 R- @; U+ E9 g8 KTransportation & x# r5 I# {- A) ?4 t6 ?Command (USTRANSCOM) * n7 C$ U# Q8 G& ~The 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 terminal services, and commercial air, land, and sea transportation, including as 7 s9 N! D/ D4 b5 \needed to support the deployment, employment, and sustainment of U.S. forces ( M- \! \3 n" mon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 0 ?7 g7 U, ?0 e8 y5 {0 |/ PUnresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be , ^! x- r4 Q/ K, Y3 v$ Jindistinguishable from a single object. 4 g: U/ p4 N* q- `6 B- RUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. ! w. l0 i8 c8 }, Z5 R# U; W. y2 PUOC Usable on Code (ILS term). $ ^" q+ |5 B: y7 z8 @9 ^% S* IUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. 5 Q' t. F1 X- j9 Q* jUPS Uninterruptible Power Source. 5 s: b/ E! T4 V, WUQT Unit Qualification Training (ILS term). + \3 ^1 S$ [8 N F* ?0 AURIP University Research Initiative Support Program. 8 r9 A: P1 M& D0 P' U% zURL Uniform Resource Locator (internet protocol term). J5 r* k- E, R# kURT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. - r1 ~! ?- [2 cUSAADASCH U.S. Army Air Defense Artillery School. ; f2 v) m& C( |* F* C7 q$ G& |! SUSAAE U.S. Army Acquisition Executive. : h. j# z8 a; h: o' FMDA GLOSSARY, VER. 4.0 U 312 6 e8 l; a0 ]/ h- J7 b5 e9 M$ gUSACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. 4 \4 W8 ^/ z) E; G" F5 mUSAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. / Q+ _3 X, g' i. \# Q, a, K1 xUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. 2 _! X4 I3 D! ?3 [USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. [0 k' Q* }5 w! u% A$ A, QUSAKA U.S. Army Kwajalein Atoll. 7 L# J5 e# z; N! S( \( m5 xUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. 3 I4 Z% J# m. NUSAMSAA U.S. Army Materiel Systems Analysis Activity. # r( g9 L$ |# z% K, ~7 dUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. 5 X% [3 }5 X% V F$ K$ [USARCENT 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. 4 @, v8 s$ A; G$ o5 QUSARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. " i/ c" m8 c7 CUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 4 N* c0 q) K" sUSATECOM U.S. Army Test and Evaluation Command. ( `% ], y) Z0 Z w, C& ~USATRADOC U.S. Army Training and Doctrine Command. : j5 N3 T* D5 y2 D& @( lUSB Upgraded SBD. ) s; K3 w7 B" IUSC U.S. Code. , }/ m3 r$ v2 sUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U ' U/ }# \: s, B# Q- s9 P313 ' @8 n' X5 P4 }4 RUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 0 @: b0 C, k, `% b9 ?! p8 u0 v" ZUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. # ~, N! ]! Z/ f. GUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. 9 q0 q+ [( }" p M4 W/ N6 p; a; q* EUSCINCTRANS Commander in Chief, U.S. Transportation Command. , N& s9 j4 @9 X0 KUSCS U.S. Customs Services. 0 U3 R; V( o3 p! s3 FUSD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). $ S$ a4 v. `) {) HUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). + h6 t7 M: F+ L) Y5 |4 d9 MUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ' O/ v) }; ]2 G: F% U" v+ LUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. 2 X" D7 m6 s+ b( RUSDELMC U.S. Delegation to the NATO Military Committee. 7 k( G( f' g2 w X$ IUSDR&E Under Secretary of Defense for Research and Engineering. % T0 h5 u: f& h! d2 w7 x8 R0 CUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine & {. p( \+ K) I3 D2 X8 z(hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation 6 C2 H+ ^1 O; y. eSystem (UOES) 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 C! u1 N0 q& t! l3 Ncontingency defense capability should the need arise prior to completion of the 2 o G' \' b6 f( Q2 t, F9 `normal acquisition cycle. 5 y% T& y6 v( p% _) Z0 Z# ~% eUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. 1 V( t+ \+ C d+ mUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. 9 x4 B' S+ P, q% G8 I \0 FUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U " y- P* P; y4 ~; z' J' S. a( F* `314 % M/ W. u1 _$ A9 wUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- ' h. Q( b! F1 J% aFORCENT 7 ]3 A. F1 c0 ~U.S. Marine Component, U.S. Central Command. 9 P* w9 l T! K8 }! @3 W8 s+ eUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. " L2 m: j* m7 r$ X5 HUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. - |8 \ ]% D- G1 N. H' oUSMILREP U.S. Military Representative. , m* J) j; s% _ ~, OUSN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 0 W# R! h! N, R: k% sUSNPGS U.S. Naval Post-Graduate School. 5 o% l& n. N+ mUSPACAF U.S. Air Forces, U.S. Pacific Command. W$ s) q: t9 a( C4 K3 [USPACFLT US Pacific Fleet. . P6 v$ ]* k# n$ `" x" W" S( S% ~% \- ]USPACOM United States Pacific Command, Pearl Harbor, HI. 4 K- }4 A: k% X8 v2 bUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. $ V+ L+ S. X, U- Z W, W' v$ z3 dUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. % K$ n. K4 k2 `! x) kUSSS United States Secret Service. C- W. ?- n- E U( n0 s/ TUSSTRATCOM See United States Strategic Command. 3 v, m1 B# {/ \! t5 V OUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. 2 u0 Y' i* d# o. D& SUUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- Optics x0 R! f8 |% W9 S4 `8 _# S* gTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). ( G3 X3 g& O: V' E: O' h; @UVPI Ultraviolet Plume Instrument. ' w! }5 }8 o# m a9 e! n& kUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 V Volt. # ^9 J1 _9 i5 b! RV&H Vulnerability and Hardening. " b' C$ L3 I& \! @9 tV&V Verification and Validation. (See Verification, Validation, and IV&V.) ) j ?3 |: A: w8 W8 r. t! M: kV/STOL Vertical Short Takeoff and Landing [aircraft]. 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, 4 U9 I( \5 N& C' i' ftactical situation, system design, tactics, and threat. VAMOSC 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 with the distance from ground zero; or, in damage assessment, a mathematical 2 S# d" C! Z9 X) ?- }0 _factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. 6 I5 n5 N7 M7 w) D- sVDC Volts Direct Current. 3 W6 p% n& s& L, S+ M; rVDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. 2 V: y$ I9 ~2 H# H! c! D# r5 t( lVECP Value Engineering Change Proposal. * u* i, v/ I1 y# T: h8 uVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, $ L3 D8 Z7 ^) [" bcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end + Z" x! u* M! v3 \" E: |3 fof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 ( E- X& O' S# H4 o5 M% s, J" k) b7 QVIDS Vehicle Integrated Defense Software (USA term). * \! N2 L$ G. k( l/ v/ QVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional , o* U! D' c4 @, G4 I$ a- r0 S- ecircuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. & z6 {$ b0 l3 G& p5 \+ F( sVIS Visible. 2 n, k0 ?2 q; O; `1 zVIS/UV Visible/Ultraviolet. : _6 q* e6 X% M) f1 z* BVisibility Range % p' h. \; B N6 L4 I% a(or Visibility) / R" ^- ?. n) V/ `" jThe horizontal distance (in kilometers or miles) at which a large dark object can 4 b+ h* P+ z" K' C2 m+ Q$ U# k3 k m# Wjust be seen against the horizon’s sky in daylight. The visibility is related to the % R! \/ ` y5 d% H% A& j1 nclarity of the atmosphere ranging from 170 miles (280 kilometers) for an 8 Q5 T/ y. Y4 ]. Wexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 " d- T1 V7 o8 I% V) Dkilometers). Visible Electro- ^( u3 d! b4 W/ ^Optics Technologies/techniques employed by optical sensors in the visible portion of ' `) u( a6 v4 Tthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). ( P5 L1 E4 q. Q1 SVLF Very Low Frequency. , O! R7 `0 C! t0 @7 W# XVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. ' B. B0 C6 R2 v2 jVLSIC VLSI Circuits. 9 G1 o7 s1 j! NVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. " h0 w# s7 x6 ?% P" [. {3 TVTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. % `, E1 X# N m* AVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. # a) D+ H' C+ e8 KMDA GLOSSARY, VER. 4.0 V # o% k% e3 J, O% [318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. 6 ~- K0 }2 p" q% Z) i. f: B1 S4 R! S- ?VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 6 o3 v8 |$ W+ Y G9 ^& eW/ With. * Z. [) S3 I! w# b8 W" _' |% rw/o Without. - O* w2 s: u1 d( B _; P+ MW/TD Warning/Threat Detection. 3 h- C y, n0 r, w! n" k6 eWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. & D* x. f# P* s+ i8 Z, PWAN Wide Area Network (Telecomm/Computer term). c/ K/ V' W: B! t9 V" ^% OWAP Wide Azimuth Probe. ' L$ D. E" e, v7 A2 h o. sWar Game A simulation, by whatever means, of a military operation involving two or more ( g$ D2 I7 V( topposing forces, using rules, data, and procedures designed to depict an actual " k, D2 A% m, l% P4 X+ Zor assumed real life situation. 8 M& { u* W! {6 i) C) hWargame 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 assessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. 5 R+ i# |, c) y3 X8 ~Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. + P5 j+ i$ R$ `4 \8 s- PWarhead Section A completely assembled warhead including appropriate skin sections and related ' z2 @2 _8 n+ c7 P2 {& s4 ecomponents. - ?3 {. Y& J! S- `) e, OWARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its 7 L8 u% e1 Y& t/ J7 O( Garmed 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. : G9 @4 `5 A( {5 c& BWARSIM Warfighter Simulation (US Army term). - |) J5 `+ @& D% R/ y& x+ s1 OWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) " p" {3 e; `; J% t8 w5 vCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if ( {! ~' K& n- ^. z1 uknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to ; y V! T N0 b3 qsuch use. ; {8 f$ m' z6 s* A% P2 O7 eWAS Wide Area Sensor. ; H" _4 M' S# }$ T% @" `/ T! _8 xWASP Wide-body Airborne Surveillance Platform. A modified DC-10. + @, T# A9 R7 K. Y( PMDA GLOSSARY, VER. 4.0 W ( t- ^2 }; |+ `) R* w0 K320 5 ^( `6 d ~ kWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective 0 p. o5 w9 Q# C! S2 T. f3 Qin contributing to the defeat of the offense. Watch Condition (WATCHCON) ; X% o$ {) l- B4 kSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 6 M& w4 c8 F( d- N& aWATS Wide Area Telephone System. 3 H* K6 l( T0 o+ K5 XWAVE Wideband Angular Vibration Experiment. Wavelength 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. & I1 n( U6 F& z& _3 ~% \( zWB Wideband. WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. + ?6 ~3 a( U+ j) {6 | p6 {WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be 7 S" v, I w7 ]$ y% B4 c# I3 t+ Ilaunched.