航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council . @6 [0 U# u9 b2 ~% K9 n(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High Altitude Area Defense System 4 [6 \- }: A* z: m1 D(THAAD) A ground-based, air transportable interceptor system that will provide wide area 8 X4 x; g5 w# j: ?' Xdefense capability by intercepting longer-range missiles at higher altitudes and at u6 A! {- j' J$ J: @greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. ) Y+ |* O7 W! {$ T, ?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 of attacking targets in a theater. Theater Missile % C+ ^ ]% B/ |* U. nDefense (TMD) R3 {& t: Z; d. [4 [( I# M8 nOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, ; ~6 j$ |+ |3 _5 d# Z) U) C( Wintermediate-range, or medium-range ballistic missiles. ) {4 s K p- r8 ~# `3 ?Theater Missile % a1 j% x- d& ?" @% X/ R X$ H- iDefense Ground- " W+ l! V5 s' \- F/ q$ l. F0 [Based Radar (TMD-GBR) D/ E4 D6 K* n/ iA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 7 M0 D, x C- rTHAAD Radar. * t& }; p3 M+ p* U4 _' XTheater Missile ( K% P* t: P7 e, i5 EDefense Initiative (TMDI) An initiative under which all DoD theater and tactical missile defense activities are : k3 H2 J9 j! Icarried out. Section 231 of the National Defense Act for Fiscal Year 1993 0 k% k/ P# ?7 Z o' g; E, t(Public Law 102–484) directed establishment of a TMDI office within the DoD. 0 r% I5 |: p7 [$ G" C7 ?THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally # k# \2 m2 C- K. R9 N8 |expressed in terms of calories per square centimeter. . c1 A3 z) e9 ?% f2 Q) ZThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or # ~7 o* g! v7 F8 Nreflected from the objects, which are imaged. 9 S s: t/ i. q$ T# R: L( xThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal 2 G, D8 ?) Q% g( n& a0 d, uRadiation 5 r0 G3 j1 y+ A9 U8 G# ]Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. " ]: w! X5 }! mThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the 2 ~9 R5 w+ L" H" Z( q$ ?1 o: Sabsorption of this radiation by the ambient medium, accompanied by an increase & G, |" j- d# W8 @/ T- fin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T $ @- E5 u% o8 R9 H299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting ( U- i5 W2 }- x& Zat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization 3 r' z/ Y6 o. oAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) ' {' T! g( }6 n0 k9 |' x0 Z! ?% KA tube containing all the objects originating from launch sites and aimed at % r) k& A1 l p% ~# q. Xtargets whose spacing is close enough to permit the tube around the object " E' S! S e, Q8 Ztrajectories to be represented by a single trajectory in battle management computation. / @% e) o+ }/ @Threat Scenario A hypothetical example of the employment of threat systems against ballistic 9 X" N8 L; b' n% q) _+ Wmissile defenses for the purpose of analysis and evaluation of those defensive 5 _& L. }4 g5 I! z# ]; hsystems and architectures. 7 S7 m2 X6 e" r& t" ]3 Y' f# {( Q0 tThreshold Performance capability or characteristic level in terms of a minimum acceptable ( M7 A% u( a# jvalue (threshold) required to satisfy the mission need and a performance 3 }+ U! u- w4 g& [; \4 _- W3 ?( Jobjective. Threshold Defense * P9 B8 {' K1 C& lA 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 7 ]: y( i5 i; J6 Aoffense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to 6 b. K; L$ K1 b( h" _! t. z% gchange the decoy’s optical signature to resemble that of an RV in the reentry phase. n% u& y& H" i( l- c* dTI (1) Technical Instruction. (2) Technology Insertion. m$ L7 c+ y# w5 V% _6 `TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. % M( g1 l7 c) K" [& z2 G(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 2 X+ A# G& e3 @3 X8 U: nTIDP Technical Interface Design Plan. . \1 W* n3 Y# Z+ P. w1 o' e' fTIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat # X" O3 k: `& N% h5 h(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. 8 U" B1 {# D1 c0 X" K, a1 gTIM Technical Interchange Meeting. " Q* u$ k' j* ZMDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and Deployment List 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. # q6 E. H! r; t0 d. K5 C6 n2 z8 \Time of Flight ; z+ x- S! }: W; n1 Q& V3 L(Max) . P; N& K! m8 @3 y) ]2 U2 dThe maximum time for a booster or vehicle to perform its function from time of 3 z& Y% ?3 ~3 R& L) y8 f$ Llaunch. Time on Station The time the sensor is in its operating position. Time Sensitive Targets ( w' _ l0 j. y @ p& G2 EThose target requiring immediate response because they pose (or will soon * D6 x- |2 q2 m% a8 z, y5 ^8 Jpose) a clear and present danger to friendly forces or are highly lucrative, 5 N$ p. R# M0 R$ u" j5 U1 qfleeting 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). TIN Theater Intelligence Networks. 7 g6 h @2 J4 @. p" C1 CTIP TOPAZ International Program. ! T" k' }1 {# L: G+ q" F" A$ @TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) * D- \" V0 Y; e/ J! CTIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. 0 A' K% W* {) d7 RTIU TIBS/Tactical Interface Unit. , l) ^! p; o5 t+ U* hTIWG Test Integration Working Group. (U.S. Army) . r* U( z. E* U6 a' W/ i9 z7 j5 ~7 E8 KTL Team Leader. TLA Time Line Analysis. 7 j5 ]$ \, W5 q/ T, H% e( {0 Z3 tTLAM Theater land Attack Missile. 4 K8 o& x; G# ~1 [1 LTLAM/D TLAN [with submunition] Dispenser (Navy term). $ @! h$ B# J0 _/ |TLDD Top Level Design Document. . b8 _0 s. a/ Q$ E5 i9 P8 uTLV Target Launch Vehicle. - S! m: L( L: m6 RTLX Teletype. : _$ i$ r' ?( z* z! N4 ~. j& HTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army 0 S+ O% v+ G2 T! b8 pterm). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. 2 D) G5 P! J. J- z# i+ d% m u) xMDA GLOSSARY, VER. 4.0 T ! {0 n+ r, Q% _301 5 I6 C2 p' d0 TTMD C g3 D' a3 Z6 b/ Z3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. 9 {9 C2 p4 l( j7 STMDAS Theater Missile Defense Architecture Study. 9 E' [/ H& N( C. S- v0 v7 t% {TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). & x. \$ {; `0 P. B+ P" q3 HTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. ) P0 C6 \' P2 i. eTMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. % U3 p5 X7 j% {" D: N$ rTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. ! g5 ?2 R, a. N, e* K( o( nTNF Theater Nuclear Forces [Treaty term]. 7 I. ~; ^) v) |% ^7 S9 ^TNT Trinitrotoluene. : S. h% l8 O: S+ KTNW Theater Nuclear Weapon. 5 V& A" i0 y, A+ M% dTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. . e$ \+ _# Q& P! T* e3 RTOAM Tactical Air Operations Module. TOC Tactical Operations Center. " M( f3 P' o0 ~' Q6 y0 ]3 V& B6 cTOE Table of Organization and Equipment. TOF Time of Flight. 4 f1 T) O0 [* `! nTOI Track of Interest. TOIA Task Order Impact Analysis. & X- }$ P! O$ y2 E0 kTolerance The ability of a system to provide continuity of operation under various abnormal / z' e6 Y, Z: S% Q* c9 lconditions. % c2 T; H, Y" HTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 1 P$ o- t) g: s0 h; x, N/ ^7 Z302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. % f2 i) D9 N& h. W) JTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. + E+ @' h+ D% k( _% \ w* sTOOL Target of Opportunity Launch. TOP Task Order Plan. 9 {" N/ x0 k4 {# q; ^% J" o; p9 rTop-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 - H* B$ ]0 d5 u8 mDesign 7 ]0 F$ [0 Q# M* k3 n. RThe 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 Testing The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. % _' e8 F. b! E4 y0 }: E" CTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. 4 s6 r; g! l( ETOR Terms of Reference. ; W8 W' `( S% o. s: M7 Q" ~9 _6 S/ @TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) B, t: |0 a `- D, ?# JA DoD financial term, which expresses the value of the direct program for a given fiscal year. % L8 w8 t; E4 x7 g4 ^) `Total Quality Management " _; V1 k0 x, q4 @ L(TQM) ! Y9 C( t! @+ vA management philosophy committed to a focus on continuous improvement to * O6 t6 ~! h! W- Fproduct and services with the involvement of the entire workforce. # ?, B/ F/ T/ kTOTS Target Oriented Tracking System " `3 h/ Y. r2 C% V, ~+ aTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. + F$ [) e; ]- _$ \+ g7 fTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. & r/ ^ ?4 K% l& r9 z1 ITPALS Theater Protection Against Limited Strikes. 0 ?' n. B9 y/ }7 LTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). 2 ~ @/ c0 |$ v6 M8 y( UTPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 4 f4 o7 q5 E- g Y7 J" O0 V/ v; F303 TPEC THAAD Performance Evaluation Center. $ Q8 S2 d+ s/ f) L( L2 f5 lTPEM Technology Program Element Manager (SDIO/MDA term). ! l4 E* w. _2 ]( W2 XTPFDD Time-Phased Force Deployment Data. 8 v7 w, L2 D- H! H. a, cTPFDDL Time-Phased Force Deployment Data List. 8 N8 R+ X) G6 ^5 X% x& m' `TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. 6 v# N! c4 b+ D* x: ^/ dTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office ! k3 C$ t' T# ?% n# F+ G0 cTPP Test Procedure Plan. & X" x! M- P7 z* \TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. ; u7 l9 v; [9 rTPS Thermal Protection System. 8 a, i& H- D6 {* zTPT Theater Planning Tool. 0 f0 u/ R: B2 H. e) G( F* w, v2 z# qTPWG Test Planning Working Group. (U.S. Air Force) ! E6 ?0 x# m. l8 w8 g: p7 r& ZTQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or 9 M9 k: d* Q2 F0 U% i3 r; Udomain models that identifies and documents the derivation path / I% i" u( M# k7 l' F& x2 e(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or 0 @5 ~8 O( `, K; N% C G7 Qmore products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 6 M3 k h5 Q a(2) To display or record the successive positions of a moving object. ' t0 ?) M1 ?, T6 h7 E$ v( ~$ h(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 ; o0 H9 g, C- g$ T. V2 {instrument at a moving target. 4 B" q1 Q( Z; M9 T(5) The actual path of an aircraft above, or a ship on, the surface of the earth. 6 `3 c: A/ N7 Z0 ^1 s$ \0 nTrack * ~0 i) B# e$ o- G' _( U( }Assessment 4 B! b. [3 J3 h& S& E, `7 _! U+ ZThe Track Assessment looks for anomalies in an object’s track data. An anomaly 2 ?: ]5 M9 f% _' F$ f3 v/ [; a/ ^in the track may indicate a hit. : @# {9 m3 B# t! w0 |' e. A( |- tTrack, Birth to & f. s3 g9 L+ }. ^Death ) _4 l! e E3 |The maintenance of an associated track through all phases of flight (i.e., boost - x1 G* u& ^4 x/ }/ T/ uto reentry). Track Correlation The combining of track information for identification purposes, using all available - B$ }3 J% T8 z5 odata. 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 0 u2 I6 M1 }) gor place (e.g., reentry). ( @3 o- g3 J2 A; ^3 r# Z0 O* L+ gMDA GLOSSARY, VER. 4.0 T 304 % A+ S; t* v5 f. A+ \Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS ; ]+ A0 f. I3 f2 _2 Jmeasurements with irradiances with confidence of association; or some subset of the above. ' i& }" m& e' ~8 s% d4 E& fTrack File-Track ( R; Z9 N6 E6 }$ d5 q W4 qHistory & q, @) Y$ ?/ x, ZA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. : n, r! G" H6 M: i" I0 P" LTrack Formation The process of determining the track or tracks of detected objects. It is usually a 1 [, B. _3 d: e: r. cthree-step process of data association, track initialization, and track improvement ! g$ r6 G- t% S6 I% y# |" |by filtering. 5 S3 U5 L" t) l BTracking The act of generating and maintaining a time history of an object's position and $ g$ O+ ~8 j' S4 X) r$ y7 wany other features of interest. 8 t, i5 e2 F' `7 v$ ~Tracking and Pointing Once 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 5 ~: z! m+ {% D5 M5 a(Max) The maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of frames. Track Production Area An area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. 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. ; t! T- N, s6 D# Q$ L2 S, FTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 6 h+ J- ~" m, ?# E' u" cTraffic Capability ; o& d& R! [& ?1 ^# h W3 L" CMaximum The maximum number of objects per unit time which the sensor system can % [ b% E. Z" H/ \+ Vmaintain track files. 2 R: ~2 M* ~! r& s4 c0 u! ^Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high # F2 i! J$ L1 B8 t% I! ]. Aendoatmosphere. ' r8 ?# P) u7 gTrain Threat geometry with objects placed in a line (string) along the velocity vector of 0 d. l& N- @( W8 K D Xreentry. Trajectory The curve described by an object moving through space. Trajectory ' a/ w- v$ G) P5 eHistories - L; @. a+ N6 K( w8 j4 J: t/ [3 CTrajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). ) F1 h9 W2 w$ F6 D1 `Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. * V) }$ a6 X: `8 IMDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. - L& B# V/ y& N ^0 Z% KTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production 4 x. Z2 f! x1 j: yA risk reduction process during which the program shifts (passes) from ) G/ x3 N# z4 O( z& t: Udevelopment to production. It is not an exact point, but is described as a - {; D/ j. h q$ u+ G* A' Rprocess consisting of disciplined engineering and logistics management to 2 ?2 \( c8 \ F, q5 S; Z2 Fensure the system is ready for manufacture. (See DoD 4245.7-M.) 7 A/ H2 Z# _- P% {8 [Transmission Security (TRANSEC) That component of security, which results from all measures, designed to protect 1 O1 U6 u! @$ \7 c0 ?: Scommunications transmissions from interception and traffic analysis. (See 3 f% | [/ ~$ n5 O, oCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative * D2 V7 X$ k% h) k; Q/ _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. - K; h8 e) Z5 F9 T [" {, cTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. 1 Q1 V) x1 g$ O' y% bTraveling Wave & v4 E/ L/ b6 L/ uTube (TWT) : h7 Y7 D6 d0 I6 I6 a- _An electronic tube in which a stream of electrons interact continuously or - y6 C* K6 U# grepeatedly 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 stream to the wave; the tube is used as an amplifier or oscillator at frequencies in ( d! V. D1 Z( X; mthe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. 1 S6 g! E+ L( ^(2) A method of surveying in which lengths and directions of lines between points on the earth are obtained by or from field measurements, and used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both 1 ?2 d$ H: M) y Y# ~as a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. 6 F5 U3 r2 h* C7 w# d7 \& M. l0 MTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). ! W# }6 l# x x WTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. 5 l5 x7 I8 v; v& n7 \& HTRESIM Tactical Receive Equipment Simulator. 4 j+ G- E8 v4 w NMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. 5 q/ b4 @: h! l2 K- \$ WTRI-TAC Tri-Service Tactical Digital Communications System. ( h7 ?7 h5 @# o7 H2 LTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). : O5 S6 o, f8 KTRIDENT II (D-5) US SLBM (USN term). 0 r. o2 N% G% ?" |! {1 t% y* |TRIM Toxic Reduction Investment and Management. # W; {( M5 R1 r* n2 BTRM Technical Reference Model. 4 I \2 i! N$ i! w! X3 p% bTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains 4 p& }3 F) Z# S) s5 Qadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. * K) Q) J$ j7 W/ b# iTROPO Tropospheric Scatter. 6 G) V3 K! I$ r) m* g& c8 fTropopause 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.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing 8 M) ?- V& y$ n Galtitude, clouds form, convection is active, and mixing is continuous and more or less complete. Tropospheric Scatter : p7 U) Y- `+ p- i+ C; O( b6 jThe propagation of electromagnetic waves by scattering as a result of , y. z2 Q( ~* l9 S# |irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. & p4 r+ H$ M" Q8 h0 g0 {( t9 `# O(3) Technology Readiness Program (pre-acquisition program status). ! _) d' _+ V2 Y- C/ N(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. * ^ J2 i8 F9 o: W7 P: n3 cTRR Test Readiness Review. Trusted 7 K6 M* }5 b* w( Z$ k; F" r# yComputer 6 X1 t T' H5 G! O" [) S' ]% MSystem/Software + b* h9 p( {( N" B( TA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the & R- Z, _$ h+ T# o7 u5 B& iTrusted Computing Base. This mechanism can only be activated by the person ) x1 v- l8 B$ B- w- ? X# T' P+ J/ Jof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. + E* o; o# f( ?1 L. D$ MMDA GLOSSARY, VER. 4.0 T i+ K- _. q G3 D5 R307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. ) L6 F+ K$ S& S; d8 T9 a" eTSCM Tomahawk Strike Coordination Module (USN term). + D& n8 [8 b+ [5 M3 d" l" nTSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. ( o9 r( s0 I4 M9 J5 jTSP Target Support Plan. TSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. 2 X+ Y W& W6 }6 lTSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. & M% d" h1 h/ v& t! O! O5 d3 sTT&E Technical Test and Evaluation (Army). Q) y5 L" s0 u6 f3 H5 {& p. xTTA Total Time Accounting. 7 E5 N; y# w6 S+ o k6 M! l+ O; E1 I( NTTBM Terminal Tier Battle Manager. ! t2 s) h# s. H/ W! O+ GTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP 7 D' m" g1 s& I$ I g, B. ]- i& i$ d# xprogram, which funds the development and demonstration of technologies, + O/ j3 @* ~* H- n4 U: nwhich have significant potential for improving testing. m3 f2 U. k$ ]: ZTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. m/ i S& d) \3 C. t% z% c/ nTTT Test Technology Transfer. - G5 M" ^% @+ v8 F. QMDA GLOSSARY, VER. 4.0 T & T, u" U4 g+ H0 L6 X9 t308 ( M; [& ^! i8 ETTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. 6 O- I* z) U, I- i- MTV Thrust Vectoring (rocker engineering term). 6 C7 {1 Q# I" L3 {$ v2 B9 i/ q: xTVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. ) e) B( D- j6 v" HTVV Technology Validation Experiment. 3 ]( ~" E3 F& F" J6 WTW Tactical Warning. 2 T2 v7 W& l2 }& r# ^! ~+ @TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). J1 V6 X% R, h; a/ i) Q1 STWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 7 n& i$ @' `" E7 E- _( k' DTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 4 h7 t2 k8 G6 h3 r6 t% A, O! F2 Wconstraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - # U" X3 ?% p0 D4 ]Development Specification States all necessary requirements in terms of performance. Essential physical / b# K5 K" E7 dconstraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product Specification ! k, T3 o( E6 ]7 kProduct specifications are applicable to any item below the system level, and 2 X$ w6 i" n) x: y" 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. / y9 R) U- I8 m3 E. _& m: x$ N; p& J9 TTyphoon 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 9 d9 M- A" |, k+ |1 g309 $ h- {- p& Y ]& M; Y* K+ ^2 g8 }U Uranium. , p2 } ^ j* e8 Q, w, KU&S Unified and Specified [commands] (pre-1996 term). 9 a5 s: T* S0 m9 s+ \; NU.K (UK) United Kingdom. U.S. (US) United States. ( G" d) ^4 i, W! V, F& X' RU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). , }: C# \ V& v, X* p0 b* q7 ]UAE United Arab Emirates. # t1 I1 d7 P1 p0 a5 {% }( oUAV Unmanned Aerial Vehicle. % s- w6 m0 i. d! cUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. ! \1 \8 R# h, K6 k. mUCAP UAV Combat Air Patrol. 6 {4 w7 \2 W" [% W) `& ?UCC Uniform Commercial Code (US legal term). 3 P+ t! P3 k3 v. QUCP Unified Command Plan. ( [7 k8 T8 j4 p! [, rUD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 4 o% _6 t9 i6 \+ N& xUDS Universal Documentation System. A standardized comprehensive tool for stating 9 r9 q& v. f# B* d6 Fand coordinating program requirements for testing MRTFB ranges, as well as the 2 V( r9 ^6 w* @: U9 acapabilities and plans of test ranges to support program requirements. It , z6 ?/ }- Y: r) W' l( q/ Hconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), ! V' e7 E+ \4 \. D- W8 u2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 5 Z) r+ M0 J9 M' Y: bOperations Directive (OD). The UDS was developed and is regulated by the ' ]- b: T4 c) ORange Commanders Council (RCC).

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UE Unit Equipment. 5 }, C( g+ P! T5 p1 b: a% nUEME Unified Electro-Magnetic Effects. & ?6 b: s3 o0 {, l# }4 m/ j6 r8 NUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 0 W2 x1 ~- U. e310 1 b( B( Q$ Q) w: L% ~# dUFG User Focus Group. - Y, `7 s2 ~* x/ o! d! CUFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. - F. e+ X5 t" F5 s3 J% c7 a! T3 BUGS Unattended Ground Sensors. 3 V$ Q# W. ~/ v$ N( DUGT Under Ground Test. 0 R1 e; W6 `( {! m3 q" P1 m' oUHF Ultra High Frequency. 3 ^& q* P$ O- \" Y( P8 z6 L/ M+ |UIC Unit Identification Code. UIN User Interaction Node. 1 X7 U# M% {) `/ d* ]- m$ z- jUKAS (1) UK Architecture Study (2) UK Associate Studies. 6 e# W( Z; k. CUKEADTB UK Extended Air Defense Test Bed. * v' q: B" o' R3 Z5 CUKTB United Kingdom Test Bed. - t( }$ g( c1 y# qULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. . S1 j W, S' _' r2 }* kULTDS Unit Level Tactical Data Switch (SINCGARS term). 1 {! m: K2 Y* oUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 4 \9 G3 i5 D* @# s( }7 X/ n: G(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). $ u) I/ T% T% D, ]UNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional Warfare 4 d8 Y: |" ~' L5 q. dA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare ' s" W' i2 b4 S: C" uincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, # J9 I2 J/ v9 J! ecovert, or clandestine nature. j' `+ A+ Q) D! U$ @ dUnified Action Armed Forces 2 e" }8 }0 `: S& CA publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary , [; S: a/ K. o9 Xof Defense with the advice and assistance of the Joint Chiefs of Staff. MDA GLOSSARY, VER. 4.0 U 2 `3 ?; \9 ~( {9 }7 [311 UNISYS UNISYS Corporation. United States Army % x3 F0 Q# D# B: v. ~( hSpace Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. United States Space Command 8 E8 m$ O( t1 n(USSPACECOM) The unified command responsible for planning and conducting ballistic missile 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 0 \& t3 p( Q+ Q4 [3 q) Jmissile offensive combat strikes. Located at Offutt AFB, NE. 1 z" `8 ^5 e' DUnited States Transportation Command (USTRANSCOM) 1 d% t% a; }3 n7 i" i) \ |. c& ?The DoD unified command responsible for providing air, land, and sea : E2 U5 _3 C2 D" s$ l" Ttransportation for the Department of Defense, both in time of peace and time of + i; w# f/ q/ F, \) ]) {war. It is also responsible for providing airlift, sealift, surface transport, and 8 }8 u3 J1 l) U& J$ W; tterminal services, and commercial air, land, and sea transportation, including as + {: _+ _/ u+ W; Y7 i* fneeded to support the deployment, employment, and sustainment of U.S. forces 6 \. l. V! s f0 i2 R ]on a global basis, as directed by the Secretary of Defense. Located at Scott - v; L6 h3 j6 U# ]3 yAFB, IL.

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Unk Unknown. Unresolved Objects . x- `3 ~$ [7 w b: b: VObjects so closely spaced with respect to the sensor focal plane as to be 9 P, ^; C* s4 d1 e( a! @indistinguishable from a single object. / Y2 P) r/ b4 d" g5 \6 O( c! H; OUNSC United Nations Security Council. $ C+ P; @1 o/ x* e. SUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). ( c+ B$ v( D x! C+ g9 XUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. 1 K5 W& w8 G1 H, YUPS Uninterruptible Power Source. ; l) p- _0 ~, w X3 F' H3 J* _UQT Unit Qualification Training (ILS term). ! b7 O, x4 V2 B. @7 \URIP University Research Initiative Support Program. 9 [4 |; S" S2 i Q9 j. d) v- @" u5 x$ NURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. ; @) J2 ~( c* g/ b+ z% `5 x: _2 {MDA GLOSSARY, VER. 4.0 U " [! a* @& i( N" z/ F" N1 z312 + z; h: i' \3 @1 t& @7 T) YUSACE United States Army Corps of Engineers. " m5 S- q% f- \' B( M9 Y5 u5 j0 kUSACOM United States Atlantic Command, Norfolk, VA. + G$ G- u0 O2 i! I7 V/ eUSAF United States Air Force. 4 N# t3 k$ L# |7 l+ [1 Z/ uUSAF/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 Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 6 K2 _& g/ P" i& ^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. - J: \1 y+ b C3 h6 l/ UUSAFLANT U.S. Air Force, U.S. Atlantic Command. 3 ^9 Q1 ]3 [6 [$ e& `1 [& HUSAKA U.S. Army Kwajalein Atoll. 8 }) m) E' J. [' ?: _USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. : r9 F+ [! O/ [) B) `. c9 }USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. * p# ]1 \' S s2 xUSAOEC 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. 7 s$ c# x+ H& r8 jUSAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. ) V, g: g u- t0 ~3 kUSASDC U.S. Army Strategic Defense Command (<1Oct 92). * P( {1 z( n; ^$ J/ ]' b; p ~3 PUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL 8 Z1 @* H+ w n. v0 }) E. g( HUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. - k! ?& D/ P0 y# UUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. , ~1 n. |3 v" D5 g/ {MDA GLOSSARY, VER. 4.0 U " \1 F1 T( b5 K313 USCENTCOM United States Central Command, MacDill AFB, FL. ' T7 z3 J5 _8 f* G, i. U+ IUSCG United States Coast Guard. 5 y6 f1 Y* L. W) s( UUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 0 i# C% g- B, I3 D2 `' K* bUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. 8 D* b- K( z6 a! iUSCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. ) c' B8 Z$ w% T8 d, mUSCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. ; z4 [0 t( I4 X& t# X) }$ p8 DUSD Under Secretary of Defense. , v& O2 V6 p( d( V9 i7 S% W$ ZUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). " b, c9 \. ?7 G" Y. J) G+ ?, j! dUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. 4 x! ~$ K9 h6 A8 f* I* f/ gUSDA United States Department of Agriculture. 0 D0 K, h' a$ o* tUSDAO U.S. Defense Attaché Office. 3 J, B! W/ [5 ?+ O5 B3 v: Y, vUSDELMC 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 # k3 {/ v% n! \# L& XSystem (UOES) Prototypical system developed and tested as part of the early phases of the 0 L8 j) \, n" \. g4 gdevelopment process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) 8 W& h8 v: q( p0 G: I( X! wcontingency defense capability should the need arise prior to completion of the normal acquisition cycle. 0 S- A! d7 E8 q, @USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U ' c9 l2 S7 U$ v/ x% n' E314 : A" O4 m) a' O, V N' Q. pUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. & v" ~) P& U- M5 MUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. 0 G3 j. O; W+ y4 i$ ^; dUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. $ i- v, L* b$ I: v3 _USN United States Navy. 3 o3 k2 j8 b) N- S- ^USNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. ( g) n% C* H/ \7 W7 T1 ?USNIP U.S. Naval Institute Proceedings. 3 R. d C* K+ z1 J) V/ }. g/ ?USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. ( V+ Z! U j* M4 o3 ]! EUSPACAF U.S. Air Forces, U.S. Pacific Command. - c% k/ s' ^! b7 B! a- bUSPACFLT US Pacific Fleet. ) }4 ], P1 a2 l8 K; }1 ^USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. 0 m ~) k8 A6 Y% x/ U+ A" P+ LUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. v! a8 }( X4 \/ Z+ I2 S- sUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. % K5 L( K: N$ R* cUSTA United States Telephone Association. USTRANSCOM See United States Transportation Command. / ~" o/ }8 s1 c5 V/ |. ZUT Universal Time. / W4 z$ o) A/ i, N; n1 tUTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. 8 J1 t, v: R `$ B- Q8 R& OUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- Optics 8 h7 o/ P l; e4 o7 R- eTechnologies/techniques employed by optical sensors in the wavelength 1 i* s. S) e. e+ sspectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 6 A$ T% M% T8 g1 w+ ]+ _MDA GLOSSARY, VER. 4.0 V 316 V Volt. / Z/ s9 h, g4 A8 QV&H Vulnerability and Hardening. " a6 @3 d1 i0 N. m7 KV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. ) }) j$ d* m3 r# aVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real ; ^# G. N% ~- z1 d& F' mworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. 5 \+ R9 v8 h6 r! kVariability The manner in which the probability of damage to a specific target decreases + ?2 I$ |, U: T, @with the distance from ground zero; or, in damage assessment, a mathematical 5 ^3 ^1 G1 o6 s+ l: cfactor introduced to average the effects of orientation, minor shielding, and $ Y/ J- f: X ^7 Iuncertainty of target response to the effects considered. * S- }4 q. @8 g$ f5 ?# b5 M0 ZVBO Vertical Burn-Out (velocity). 0 w8 I* F5 t; I' EVCC Voice Communications Circuit. % O6 f: F. s3 v RVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. 5 p2 a" R; }. ~ B2 j& Y0 Z+ |' \- iVECP Value Engineering Change Proposal. # V1 s6 B B8 F, YVerification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, ; x' B6 W- O# [4 r, Y% [calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end & e2 ]# m8 m; uof the development process to determine whether it satisfies specified ( u+ w, W) d3 }4 C9 erequirements. VESA Video Electronics Standards Association. ' e+ F! l" {9 i3 GVFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). - b9 u; o2 t3 M& H: I4 w7 iVHF Very High Frequency. 4 H$ e; m: q( H) _$ r. o5 f- \' [VHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 0 a% i9 r' f0 p+ S5 c8 n+ k317 w* O' a1 x9 h4 mVIDS Vehicle Integrated Defense Software (USA term). 0 {5 V- [; V2 N+ y. O1 @$ P; j; @VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. 0 A; R9 s% N5 a8 eVIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. VIS Visible. ! o' N. ~& R% C: V- H4 HVIS/UV Visible/Ultraviolet. Visibility Range . o1 M& D/ E# r0 ^(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the clarity of the atmosphere ranging from 170 miles (280 kilometers) for an * G* o6 w; ~" Lexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- Optics 6 C" p" K4 @2 ]$ cTechnologies/techniques employed by optical sensors in the visible portion of * @' {8 }) F* ?2 P9 L7 }6 |the wavelength spectrum. - ]) S; z- V' [$ KVLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. . }4 O* I _4 X; q% Q' RVLOS Vertical Line of Sight.

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VLS Vertical Launch System. . n: s; L# M( XVLSI Very Large Scale Integration. ; n8 R9 G. ~. \( L' g) GVLSIC VLSI Circuits. 1 _5 R% m5 s3 I# c! bVLWIR Very Long Wavelength Infrared. : h9 L7 T# m6 A" z* p. ~7 J2 a/ IVME Versa Modular European [standards]. ' _% Y( q) Q M" s n tVMF Variable Message Format (Telecomm term). VOX Voice Actuation. 8 `, v3 n4 u" a0 W- e cVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. 8 E1 f& W; d) {; ~( y' ^$ UVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. 7 a* F# ?" X( E! [2 XVVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W , k( `% F& }/ t3 r319 W/ With. w/o Without. W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. 2 m) A; h1 ?1 KWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 0 r4 D) N+ ?, {4 I" FMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual - T; ^7 J8 {' N6 Oor assumed real life situation. 3 T, ]' \5 \( u3 U* sWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, * M; g2 [$ c, z0 _6 U( zvalidation and accreditation, and support CinC/Allied wargames and assessments. * i, s: ]7 Q9 c9 B" h7 R( dWarhead A weapon, usually thermonuclear, contained as the payload of a missile. 5 A) \) ~% @( F5 x4 y2 U) lWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, 0 O) H; c- ]" V; u! y9 L/ Uairframe, motor, or guidance section. * l4 @3 p4 O3 p E% q" Q% E7 FWarhead Section A completely assembled warhead including appropriate skin sections and related , [0 w# Z5 M0 |% l2 _3 B5 z: Ncomponents. WARM Wartime Reserve Modes. . q& T. e u# d1 ^4 H" vWarning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. # K; u. m) Q) f# p/ UWarning Order A preliminary notice of an order or action that is to follow. 4 k" c% B2 ^% V" C" k1 _WARSIM Warfighter Simulation (US Army term). ( V: E& X% f/ _' V9 O% @' |WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve _; X5 P; b, I# N; CModes (WARM) . h7 z0 }" ^8 W; Y6 W9 R: ACharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will : M( i5 K2 W3 t; f- Z7 qcontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if H; `7 _% u) lknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to + ?8 I1 H+ \' r2 Vsuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. " T7 ?* x5 V8 a3 R6 E/ eMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. " P! n$ G& }; S% N) e( Z" y7 iWastage (Max) The maximum number of defense weapons which, when used, will be ineffective # [6 t' L; |$ x J R4 S2 e/ `in contributing to the defeat of the offense. 7 T0 X" Z* D/ G3 V+ W; BWatch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs 2 x$ N% k7 w- c4 A5 m' Q& oto watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive ( n9 y N' @' B/ T, }+ Pcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). # A3 f4 g+ h- g% CWBS See Work Breakdown Structure. + Q% A# z) X, s+ O6 RWCC (1) See Wing Control Center. (2) Weapons Control Computer. 0 l6 D( y, L' C" m, b- j8 UWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. 0 h; ~* z3 t' G3 G# [WCS Weapons Control System. # g: k; Q5 i: ?# jWDM Wavelength Division Multiplexon. 5 r# T3 s0 m# H1 T, y8 pWeapon Enabling The set of control functions without which defense weapons cannot be launched.