航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council # M/ p- D3 [ W3 w' N" ]) E5 _(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 # [4 N( F) G I# c/ geach applicable Service Program Executive Officer, and TMD Executive Agents " j. y8 @$ v$ ]. t5 `7 K7 ?and Program Managers. Theater High Altitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area 0 l6 D4 }1 F/ @defense capability by intercepting longer-range missiles at higher altitudes and at ; P' B9 v9 j1 P% _ @( u. ]greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. 9 d( y' a9 B4 o" R7 L5 s! hTheater Missile $ ?; H; l1 n, x(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 + T8 e, x$ {0 e4 iof attacking targets in a theater. Theater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area ! P9 C/ I$ Y7 D# h' youtside the continental United States against attack from short-range, 3 f4 J( J T7 t* v1 p- u. U; l6 bintermediate-range, or medium-range ballistic missiles. Theater Missile Defense Ground- : `* M; b8 P# [Based Radar (TMD-GBR) + X1 k! o0 B9 Y iA ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as ( F+ E3 m# Y5 i$ F' x# m- cTHAAD Radar. 3 Z, c" n% I/ k+ FTheater Missile Defense Initiative * ]1 W3 d l' z$ [. [# [(TMDI) An initiative under which all DoD theater and tactical missile defense activities are . C9 ]3 w6 S* T% ?+ Mcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 & `( y4 m W% R( k' t5 R- m2 q. d(Public Law 102–484) directed establishment of a TMDI office within the DoD. , @' `; Y& L6 _) PTHEL Tactical High Energy Laser. 5 D; C& J7 ~5 A9 mThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 5 [8 C- X* p) T- p2 r$ L$ [thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 8 [( X2 u% C; Z1 aThermal 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 9 E9 u, O) G, Q# A' u) ^that structural components fail. : v! j; O3 z. ^' p& R) D: EThermal V0 W$ _: d2 s7 ZManagement Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the # d0 A" u6 |! \8 D" ~) cfireball as a consequence of its very high temperature; it consists essentially of 6 N9 M' R8 m5 M. Eultraviolet, visible, and infrared radiations. - K) J- O# x* J4 l7 w4 I, X1 }Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high 3 e, T/ r' G8 \- O! E, Utemperature; 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 & R& a% |* N8 {3 L7 X6 f3 nin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) ; F+ }7 A# K4 ?. G9 P5 I7 G0 ?( cMDA GLOSSARY, VER. 4.0 T & n7 U& p/ x6 }- l4 D299 7 Y" u" c! F/ K0 c lThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; + L% [+ v/ M) Wit is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. 3 e1 I6 P2 P$ A( Y+ F( D* ]" _Threat Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor $ T: _3 M4 r5 L/ t6 s, a(Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic / G$ Q, i1 }7 D2 umissile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. ' q& u: j# ]) ?9 AThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance # T( ]2 c' N% k8 n- Uobjective. Threshold Defense " d' M, A0 j+ W3 u( X) b; U' hA 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 ) t: `: ^0 }+ d a/ toffense to mount a relatively large and complex attack. 0 w8 p) ^+ I% r) N/ m2 DThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. ! @+ R1 L1 k& X, x0 p7 [; F0 iThrusted 4 W. o; R& R/ j2 f9 m6 HReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry 9 \7 K* X9 H7 h, Z% g3 sphase. TI (1) Technical Instruction. (2) Technology Insertion. 6 c5 p" t6 b3 HTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. & L! v6 t" R8 h, |. }TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. * W; @8 h- p5 B& ~* iTIDP 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). 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. % f( u9 ]% g: ]4 PTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased 6 l- y0 E y+ [& ]: @4 yForce 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. Time of Flight (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. Time Sensitive Targets 2 L; T5 n! J' R/ t. i9 {/ CThose target requiring immediate response because they pose (or will soon * f% S# q& `9 b7 S6 B% r8 O& `pose) a clear and present danger to friendly forces or are highly lucrative, . r: A* a) l2 C8 T. v; o7 F, Kfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. * ?! ]$ V7 T1 X4 r8 KTIMS Training Integration Management System (USAF term). 2 N4 q8 W' K2 ^* v0 XTIN Theater Intelligence Networks. ( y0 ?& `# m6 I, NTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 1 E" ~( R9 z( V6 C; Z! L, \Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety 6 F; z4 a% m. }( [9 A! R& |4 gTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. 7 k3 Z6 Z7 d- C) _$ }TIU TIBS/Tactical Interface Unit. 6 A" o1 f X$ r9 \ {TIWG Test Integration Working Group. (U.S. Army) 3 ~- H8 y( @7 X, J! vTL Team Leader. $ E/ \- \# M8 N6 m7 j2 h/ PTLA Time Line Analysis. - ~) B; v' l' E/ ZTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. ; o' ^7 [! k& u/ H s9 ^, l, }TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army ( P. {: b9 x- E/ W- j# tterm). TMCC Test Monitor and Control Center. - J, H6 H3 ?6 pTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 TMD C 0 b4 w g) Z* N' h1 `5 _- g6 x3 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). * w! _( q3 I/ V9 l o2 Z2 M; STMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). : k( T4 T$ t; _9 h" }# w0 j- lTMD IA Theater Missile Interoperability Architecture. 1 D% G9 F8 f; p6 }TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. 0 F3 F" P9 V/ x& hTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 9 W' H* R. }5 W/ z$ A4 Z! gTMPCU Tomahawk Theater Mission Planning Center Upgrade. ) B( Z' n% T* f: R& e( D) ?TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. 4 W/ u" r- h1 ~1 iTNT Trinitrotoluene. 8 p5 |1 r6 U5 u/ s8 H$ F8 L- _. ITNW Theater Nuclear Weapon. 2 N- o, K3 p( @TO (1) Task Order. (2) Technical Order. * t7 W+ W) R/ \( j1 NTOA Total Obligation Authority. : t8 h+ f7 m7 W4 I0 P% gTOAM Tactical Air Operations Module. / m( w2 h$ i W4 A- ]* v- ATOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. 4 e3 B* Y# x: P) w* N* cTOI Track of Interest. TOIA Task Order Impact Analysis. : P* L) |8 I [ u4 ]; I! DTolerance The ability of a system to provide continuity of operation under various abnormal conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 - L8 b' d/ i: n+ H) lTOMD Task Radar Management Details. 1 z9 [1 Q* N! g% D8 R" ^TOMP Task Order Management Plan. & q! H/ I. c- {+ Y s+ o1 z3 bTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. , j$ m# Q& q0 C i* j! g4 X sTOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a 4 U1 W4 j5 s% V$ fhierarchy 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, w% T& ?' U) M$ }decomposing them into their lower level components, and iterating until the % F! ?; Q7 q2 q; m1 J Hdesired level of detail is achieved. / Z7 A0 s! n0 @2 a' K% f# lTop-Down % \7 N' z& u) PTesting The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. $ P3 J7 [, y, h# M3 FTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. " [( b3 i- Y8 y0 z- Y, ~3 pTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target Total Obligation Authority (TOA) ) W+ z$ U3 F+ ?" D, mA DoD financial term, which expresses the value of the direct program for a given ; b- b' }+ j# f( u/ u* Kfiscal year. $ e3 T) G+ c( s) m( YTotal Quality 5 c% R3 |" K7 E2 \% @% }% nManagement ; }" v2 H, d+ D( u3 E(TQM) 3 Z8 ~6 Z; }/ \, lA management philosophy committed to a focus on continuous improvement to % t" ?/ f# E( }$ [9 L! `product and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System ) a& e' y6 o8 [" l7 m/ P* O% MTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or ' `/ l6 x% Y' _# P- m; V; Cpossessed by a chemical substance not of biological origin. 0 Q. N* ^2 n% X) l7 I( P3 K' MTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. 4 x9 g+ a0 C7 ~; F3 Z4 WTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. $ X- x4 E- m4 `2 tTPD Mobile Tactical Radar (US). 2 U9 t( \7 f; s; [, z) B; ^2 @) }TPDR Total Processing Data Rate (TelComm/Computer term). ! Z$ Z6 ?+ v% N6 |1 i. I sMDA GLOSSARY, VER. 4.0 T 303 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. TPFDL Time-Phased Force Deployment List. 9 n7 ?/ {, c" J0 M! RTPM Technical Performance Measurement. + b' U [% ], V2 _ X+ |5 z/ yTPMT Total Preventative Maintenance Time (ILS term). 8 Y6 ~% d0 s4 u0 A4 t7 }1 fTPO (1) Test Planning Organization. (2) THAAD Program Office . Q9 D3 V. \6 M9 {- \9 xTPP Test Procedure Plan. B7 c* A$ w/ OTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. ( a* ?$ d! K: h, K# rTPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. : K# g( ?/ K$ x5 f$ Z. M3 B ~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. - u1 K# s( `. z(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. 7 Z7 G. _; f5 M7 @7 f* n6 M(4) To keep a gun properly aimed, or to point continuously a target locating ; v* S+ t/ D; s* _+ @instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the " C& O( g) F0 u0 l( x2 iearth. Track Assessment & V" \; \1 @* B5 R+ _* GThe Track Assessment looks for anomalies in an object’s track data. An anomaly 5 L: o$ L" Q V! N3 Fin the track may indicate a hit. Track, Birth to Death & t ~6 [4 h+ [- ?3 RThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). : U; A% @& |. ^8 b( cTrack Correlation The combining of track information for identification purposes, using all available data. - `+ c, q9 E1 VTrack 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). & Z. f: G0 ^& F; _5 {MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of 3 }6 b7 c2 T/ `/ wthe above. & m3 c4 E0 T& V2 i, W$ {Track File-Track 1 n& f2 ]3 X9 W: A$ MHistory A set of individual track reports on a particular object, which taken together , W0 O% U% y% a' H$ L E# }& Qproduce 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 three-step process of data association, track initialization, and track improvement 5 }2 N# w H- B6 mby filtering. Tracking The act of generating and maintaining a time history of an object's position and ; e$ F: O8 g$ ?5 B6 e+ ?! yany other features of interest. Tracking and 5 N2 ~2 E/ b" t1 J fPointing 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 ; `, |: B8 h% U. h& v; U9 `are frequently integrated operations. 4 p1 Q) ]0 y7 `6 FTracking Range 3 ^9 w$ X; l" c! l% L8 M(Max) 0 x9 C- u8 g! R6 i2 m- s. q \$ EThe maximum line of sight distance at which a sensor can maintain track of an & N4 h& J+ z! J5 k; h. robject. ( h0 |1 x2 _. G7 q( n, }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 " N2 _. B3 Y8 U/ i$ J* [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; 0 u& ^# r G* R) ?. O% Mlateral tell; overlap tell; and relateral tell. 2 B( f3 s( }3 Q& K8 rTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. ; G' B) L# n6 l$ qTraffic Capability Maximum The maximum number of objects per unit time which the sensor system can $ w" T" \# a: n* T( ]maintain track files. 9 D6 P) B1 ~# L: H Y4 K" y3 nTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high + |2 l2 M5 n% p: J* {endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. ; X1 Y( T, Q$ u- T* U' yTrajectory The curve described by an object moving through space. ! @0 d+ g( B& n6 Y; T" o$ f; i/ qTrajectory Histories ' U3 G% E, S6 J% u& P% g" O* R W* s; ?Trajectory information on targets recorded over a period of time. TRAK A data base management system (not an acronym). , n' {: P" w6 F: @6 K3 t, BTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 1 T3 N1 w p: K( m1 v* ITransition to 6 ^/ ?4 I" D/ L4 Q# L! m0 oProduction A risk reduction process during which the program shifts (passes) from development to production. It is not an exact point, but is described as a 4 m1 ^" m4 d- t, o3 E( ~, j. Rprocess consisting of disciplined engineering and logistics management to 9 z* ~( \3 ?% m- J9 h5 F4 q2 e: ]ensure the system is ready for manufacture. (See DoD 4245.7-M.) ! O( f; a5 i R, WTransmission Security , n! W# a% ~+ i; i4 G4 Z3 Z! @(TRANSEC) 1 w9 ~1 ?) r% W8 }) G$ m9 nThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative ; O; l/ `2 q. J. u% v( Espeed of the fluid is subsonic in some places and supersonic in others. This is 5 m8 Y. d3 A$ k5 ]0 b& s8 A5 p gencountered 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. & l1 C' f' B7 Z7 f8 {Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. 8 F' e* N$ T. DTraveling Wave / r; P+ \7 i! _% ^$ u- CTube (TWT) / {, y, K. `6 g0 l* {+ T. P; b2 DAn electronic tube in which a stream of electrons interact continuously or 4 a8 s7 p2 b; K; [' e' frepeatedly 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 / B8 K* w/ c2 D+ jstream to the wave; the tube is used as an amplifier or oscillator at frequencies in " j! i8 Y1 l9 {/ tthe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. 4 ]: }% _% D c* f/ P" @(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 ! H7 i; u2 q! D5 j" Rused in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both 6 x- N/ l2 j) \as a height and altitude, at which aircraft can cross the area. - U( S( K8 E: `TRB Tactical Review Board. " G7 S0 \# ?3 i1 v1 nTRD Technical Requirements Document. TRE Tactical Receive Equipment. ( ~- }# K/ C- M2 e: M5 j$ l6 S+ zTREA Transmit/Receive Element Array (THAAD). 7 u& `: A8 f8 STREE Transient Radiation Effects on Electronics. 4 N6 T; [% }9 d+ Y# t2 E N/ FTREM Total Radiation Environment Model. % H4 l8 q! g; eTREPS See Thrusted Replicas. + n0 L8 _5 G' l4 VTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T * \* ] f4 {1 h- G4 V& }306 TRG Threat Reference Guide. ! Y; h3 I5 a! w3 sTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). 9 b A$ y) Q- E& R5 q: eTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). 0 D3 Q4 f: M1 F5 FTRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. # s. ]3 W$ `5 ]; T' @9 u; B! o* Z0 oTRN (1) Task Requirements Notice. (2) Test Requirements Notification. 9 q% u& B+ V; _: ?# c2 a2 jTrojan Horse A computer program with an apparently or actually useful function that contains 7 f9 M4 L- o# A, Z: d( ]additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. 7 X# o ] Y7 pTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the & W& U2 w6 F' W# N9 ]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 5 H; p* u; r: A Etropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to 3 L3 M. S- Z& ~the tropopause, in which the temperature falls fairly regularly with increasing 8 p; h+ ~8 ?5 f1 O0 waltitude, clouds form, convection is active, and mixing is continuous and more or ) L) E/ A1 j9 }less complete. : j8 Z' b+ @' L. L2 @Tropospheric # A% U& q9 u3 W. s5 `$ u5 V. HScatter The propagation of electromagnetic waves by scattering as a result of ! E# V3 T( j- w1 [8 @irregularities in the physical properties of the troposphere. : `# w, |# u5 a2 ?7 A4 k9 iTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). - V' g3 M) W$ L+ T% U7 b. f, Z(4) Technical Requirements Package. 6 P8 A1 _9 Q0 eTRPC Technology Readiness Planning Committee. TRR Test Readiness Review. ; O* ~# g. r- ]1 f; ~Trusted Computer 3 z" E/ r& p4 {# pSystem/Software A 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 6 \: `+ W3 o3 b2 f) L4 |1 aTrusted Computing Base. This mechanism can only be activated by the person " [* k4 a" f. }4 `$ o$ G& o sof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. ' g2 V0 g: C0 p8 {& b Z8 S% KTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T : i; ^; P, V% G. G+ ]. o$ Q307 9 N* n9 N. ~3 i$ [: M( ~' X% jTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). 9 z0 E( G3 H7 m+ |; `# LTSD Tactical Surveillance Demonstration. & s$ d$ t& f8 u! yTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. `6 ?& T7 {, d9 N4 c3 P0 vTSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. ( g) {. @6 B4 |+ ?9 c4 b* TTSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. 0 x+ I6 Z/ s7 P/ Y" u# S) v+ kTSWG Target Signature Working Group. TT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. / O1 D, Y' D5 p) p, LTTBM Terminal Tier Battle Manager. 9 \ V2 x! }5 \. [4 F2 e) HTTBT Threshold Test Ban Treaty. ' t- ^* B* G, Y$ i/ H+ ETTD&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. / G5 J* q Q7 i0 _0 I2 XTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 4 V8 b. K/ R1 Y$ qTTP Tactics, Techniques, and Procedures. & X! l/ T: \, M+ M2 U* A5 V4 iTTSARB Technology Transfer and Security Assistance Review Board. 1 ]( D+ o( i8 f! R; X k. T( fTTT Test Technology Transfer. * Z3 k+ b; Y" d! k6 CMDA GLOSSARY, VER. 4.0 T 308 8 Y. b3 e' p, FTTV Technology Test Vehicle. , i1 p% V9 E4 P6 i4 n: WTTY Teletype. ' p4 { G4 E0 s2 a6 DTUG TRACE User Group. ) x0 S; y! q, q+ p) gTV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. " F1 n6 G0 L+ J7 eTW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 9 R# I4 N& b& c M1 J. XTWS TOMAHAWK Weapons System (USN term). : {2 }& J6 o0 A4 @% }4 ?4 ITWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). TY$M Then Year Dollars Millions. , N( w" n) D$ s. m4 I7 B8 X+ ZType A - System 2 j% w( f9 ^$ E1 l& a; GSpecification ) A$ Q: Z" U8 J- C9 i5 z4 I9 CStates all necessary requirements in terms of performance, including test * g4 U2 A0 y m {7 jprovisions to assure that all requirements are achieved. Essential physical , q2 z# C+ V$ `. \# _4 N mconstraints are included. Type A specifications state the technical and mission ; y0 t9 U+ `$ E L' crequirements of the system as an entity. , [7 y+ x8 z+ d3 Z5 w o% G' IType B - Development Specification ( ^( x' n0 w3 f6 f: o, v" x) oStates all necessary requirements in terms of performance. Essential physical % Z$ h' ^6 n4 Iconstraints 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. 2 R2 _% j+ Q/ QType C - Product Specification Product specifications are applicable to any item below the system level, and " P E# t' [8 L/ G4 Amay 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 % u" r2 x N# t* s" V: Fitems including computer programs. - J4 b+ c+ K8 }2 {0 r0 G KTyphoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a ( `+ |$ Z: y7 b o: O& }5 Jset of characteristics, and associating the characteristics with a specific class of 4 K1 R5 C( j8 T' G+ {3 d) q; Y, Bobjects (i.e., SS-18, SS-24). ! S H/ v& d0 }; M! {MDA GLOSSARY, VER. 4.0 U ( q' a0 ?. g0 d+ r: L ^' T2 w' c309 " h3 I; v. ]2 pU Uranium. ( K. o: K& f/ I+ PU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). 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). 9 }+ S; z$ [5 W$ C! r. TUCP Unified Command Plan. * h5 N" A* F( i9 N( r. I, [UD/ASD United Defense/Armaments Systems Division. - P# M) H1 \, M$ {( D1 UUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). ( {* l; ]2 e& NUDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 7 @- S. q3 D' U3 h) q2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 0 T- \0 {2 K4 N, f2 A* J& X: VOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the " Y" i3 O* N4 G) a* X. SOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. ! ^/ k. _ x: \2 pUEME Unified Electro-Magnetic Effects. 8 T' a' K9 {% @7 L2 \# m& `! lUEWR Upgrade Early Warning Radar. / }% E8 _, Q/ f* i6 _- g! _UF4 Uranium tetra fluoride. + C; m% y, R' H+ a4 ~! N% }UF6 Uranium hexafluoride. 5 h1 _3 W- G* NMDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. ! B# J6 F" o" h. h4 iUGF Underground Facility. UGS Unattended Ground Sensors. + q* W( B5 X" I' `7 B* F {UGT Under Ground Test. # f# e4 ~1 w7 I% tUHF Ultra High Frequency. : W6 C9 T" {# K* S9 d8 bUIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. $ f& q4 l6 n& f, I4 X7 }' TULCS Unit Level Circuit Switch (SINCGARS term). 4 C3 n, m0 B" U# U; [ULS Unit Level Switch. ) Y: `, @2 L6 F% Q9 U# }& hULSA Ultra Low Sidebobe Antenna. 0 @ a) w8 ], NULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 3 S; ?/ _6 Q0 k3 o( ~- b0 L# a(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 7 Z, k8 ]' L- O5 n7 S8 vUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). 5 M, G1 ~2 r* Y, u' g& Y( } G9 b# N4 [UNAAF Unified Action Armed Forces. z& t' {7 D5 ^0 a! jUNC United Nations Command. + f) b" e+ \, w, `; \# ZUnconventional ; I8 I; F: G' F0 K, u) fWarfare ^# `7 g& ] v* JA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 2 p. I) R+ \7 ~& H$ m. P' o6 iincludes, 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 Armed Forces - v/ K- Y! }8 q: Q7 l$ J& L" f: LA publication setting forth the principles, doctrines, and functions governing the % N* B) i" l0 Kactivities and performance of the Armed Forces of the United States when two or ( V K( A9 S+ |6 T8 {, q) S+ jmore Services or elements thereof are acting together. 6 O u* {2 B) iUnified Command A command with a broad continuing mission under a single commander and - g! P; v0 D+ ?+ {composed of significant assigned components of two or more Services, and ' s* J% p, N- v4 t$ M% Mwhich is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. % g% f0 i3 P! M$ T% D! F, eMDA GLOSSARY, VER. 4.0 U 311 UNISYS UNISYS Corporation. United States ) X6 c# `( @) n4 N) V6 V5 z. k7 hArmy - P3 i0 L1 ~8 G# B( J4 VSpace Command ' r' l' E) |1 S3 W3 e& M6 D+ |(USARSPACE) % b2 @0 S# e- O" SThe Army component command of USSPACECOM. Responsible for the Army / b8 f. c5 B& N) i! U! Uelements of the SDS system. Located in Colorado Springs, CO. United States Space Command ; W; C, J! q9 {3 e) T ](USSPACECOM) ; ?* U0 H/ B: |4 wThe unified command responsible for planning and conducting ballistic missile 0 P7 q4 j+ L0 q0 w, T& Qdefense. Located in Colorado Springs, CO. , L3 `1 R1 k" @, Z# jUnited States Strategic ) z; w7 D/ A- b2 j3 |4 X( Q) vCommand (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 0 A" |' r: q2 G% d \" g% Zmissile offensive combat strikes. Located at Offutt AFB, NE. United States 2 O! u' K/ r+ [6 C0 N' _+ bTransportation Command (USTRANSCOM) The DoD unified command responsible for providing air, land, and sea " r Q6 s, t) Dtransportation 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 " W6 f, y& F8 T, k; j9 Xterminal services, and commercial air, land, and sea transportation, including as # ^- c1 O$ E* I5 G$ yneeded to support the deployment, employment, and sustainment of U.S. forces `# ~" m& H% [5 p4 c# ron a global basis, as directed by the Secretary of Defense. Located at Scott - a- F; @, d. Y; RAFB, IL.

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Unk Unknown. 6 _" P: n; W. [Unresolved 0 i) S8 [( m3 `2 C6 a; k, K9 H" UObjects Objects so closely spaced with respect to the sensor focal plane as to be 5 F* n9 [- U" Nindistinguishable from a single object. UNSC United Nations Security Council. 4 e8 W# L- O" t. R% CUnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. 4 W; S; b2 J, z: j$ \UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). 9 [$ p3 ]9 E5 U2 \/ S4 W2 Z/ h$ LURIP University Research Initiative Support Program. , K# I1 V; c$ T6 ~& lURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. 1 |; H& f8 T [US/UK United States/United Kingdom. K% P8 @3 x6 K# T/ C8 QUSA (1) United States Army. (2) Under Secretary of the Army. % _! }! L) C0 K5 [( F5 D. M/ WUSAADASCH U.S. Army Air Defense Artillery School. 1 V; w9 O0 e# ^# M3 x- r; dUSAAE U.S. Army Acquisition Executive. : T" ?7 a8 ?; vMDA GLOSSARY, VER. 4.0 U 312 0 k2 |9 t& \" T! b& b3 M6 t5 QUSACE United States Army Corps of Engineers. : Z; l) _0 l- Y- }USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. & F6 h( ]7 `" M, y5 b/ m iUSAF/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. / g3 n; g `9 y! uUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. # n# u% ?5 ~0 V9 C* a7 yUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. # M2 @& Q2 J4 Z6 I- ^4 n/ F3 h1 DUSAFLANT U.S. Air Force, U.S. Atlantic Command. * r |) a( X: Z+ A; L$ fUSAKA U.S. Army Kwajalein Atoll. 7 w, C8 {( \/ C9 \3 h. L1 OUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. * O- Y, ^* }1 |6 EUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. ; I5 J8 p0 b3 g) `# [7 Q6 GUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. # b2 B8 t) k5 sUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. 1 M, ]) D) B& ^5 x+ C8 yUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. 5 b, O5 S& t) O: o" n6 HUSARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL ' j% v# `. ~% o3 q" jUSATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. + C* _- u$ f1 y. U* CUSC U.S. Code. ?; P$ A0 Q) H$ z8 y$ V! y1 XUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U $ t# s( Q K4 i& L313 USCENTCOM United States Central Command, MacDill AFB, FL. 0 b" |* _. N* }USCG United States Coast Guard. 8 K3 d' b$ d/ }: y. _# _USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. % o, @" U" s5 O/ t4 Y( R3 A TUSCINCSPACE Commander-in-Chief, U.S. Space Command. 3 p' V7 `. N( c5 H4 R8 jUSCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. USD Under Secretary of Defense. ( F# e. l: O# t+ _USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. & G: R& H- L: xUSDELMC U.S. Delegation to the NATO Military Committee. : r3 t: y7 N2 }% O: ]8 |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 # G! X. }- l1 F% Soperate it successfully and easily. User Operational Evaluation System (UOES) Prototypical system developed and tested as part of the early phases of the . g) a. A" c2 ~( ^+ ^# fdevelopment process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) % I* [# f1 }4 B7 w# X/ @% ^3 }contingency defense capability should the need arise prior to completion of the normal acquisition cycle. - `( D) v" z2 t+ GUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 6 V' }6 q& S: PUSFJ U.S. Forces Japan. ! p" S1 Q5 M% Y; ] f/ i" }8 RUSFK U.S. Forces Korea. ' x$ }# A: w' Z1 W; ?3 sUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. 0 Q' Z3 _! O& x1 G2 V" WUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 0 g0 d" |1 F' U7 r0 m1 j314 USLANTCOM United States Atlantic Command (Now see USACOM). , {* x: r5 B6 u$ C! u lUSLANTFLT U.S. Atlantic Fleet. + w6 W4 C% y B$ m: bUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. + c# f$ V( m7 }. B( a) c, HUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. ! D/ G* v7 L G2 v: n" hUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. 5 t, s( ~* U$ P2 ^! o& h' a& hUSNAVCENT U.S. Naval Forces, U.S. Central Command. 4 c( v: h7 h: B* c8 FUSNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. Y) ^3 {: b5 k p2 ]4 R7 ?% L! CUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. $ q: \7 h2 |: A, s( G7 FUSPACAF U.S. Air Forces, U.S. Pacific Command. - K7 h. b0 Z; `3 e4 E4 l; gUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). 6 ]3 d4 d9 y q# I6 [& nUSSC United States Space Command. 5 o" s! c6 q. j+ ^USSOCOM United States Special Operations Command, Tampa, FL. 7 y2 m/ k! \9 p) b2 zUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. + v8 {$ }1 P3 f' D/ U0 K" R! |6 WUSSPACECOM See United States Space Command. USSS United States Secret Service. U! p! Y4 n$ i1 V9 c2 BUSSTRATCOM See United States Strategic Command. USTA United States Telephone Association. 4 o L6 p0 B+ [ y0 k5 h( WUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. , {( l7 E8 [- D+ Z6 c3 `# uMDA GLOSSARY, VER. 4.0 U # s9 ?# O$ y6 Q( d( P315 UTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). 1 N- n# w! x) s% o% _UV Ultraviolet. UV Electro- 0 O B: P1 X, C9 `% p% Z7 _Optics Technologies/techniques employed by optical sensors in the wavelength ; k% o3 B& |+ E% aspectrum shorter than visible (e.g., less than 4,000 A). * P9 `1 M, \8 Z- }0 zUVPI Ultraviolet Plume Instrument. / c. D" l2 p$ ~0 ?8 t3 I! hUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V ?: `/ C4 l) r y# h& u' d [, |& @316 V Volt. 4 M' w' c5 S- z+ z H0 tV&H Vulnerability and Hardening. 8 i7 _$ }' {9 M. y- gV&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. 1 T4 ?3 t: r9 _+ iVAFB Vandenberg Air Force Base, CA. ) q* e2 `4 Z( Z. ?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 ]. K5 O k4 K7 atactical 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 factor introduced to average the effects of orientation, minor shielding, and 5 K" p. o7 t2 xuncertainty of target response to the effects considered. 0 x5 O, T! `' L1 r0 Q. dVBO Vertical Burn-Out (velocity). ; D+ N. j) `9 c) t% J; \) a2 wVCC Voice Communications Circuit. 3 y% M9 X# k2 rVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering 2 h Y- d; @1 v, ?representations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. $ R* t% b% }" _% \( ?VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. 2 g q# B; [! k% i! N) XVHSIC Very High Speed Integrated Circuit. % a7 w9 H5 n# U/ f F9 a. \+ ]6 s7 ~MDA GLOSSARY, VER. 4.0 V . `2 i; l) k) {: T9 G317 VIDS Vehicle Integrated Defense Software (USA term). ! e$ A( y( O* K0 E0 r" M( e" dVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D ) k r( `9 Y( r/ q) z$ L: iExperiment. 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 1 f9 L4 K( `7 v) z0 [( d2 igimbaled 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. - E% O* L. P. q3 JVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. VIS/UV Visible/Ultraviolet. / X! ?* u0 Z1 k; c: A1 \/ `Visibility Range 8 o- \2 I# V( S4 `% K- c0 [0 C(or Visibility) 9 H, L% l% W7 Z$ Z3 B! N9 YThe 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 4 l* _% j5 b. k! V) F& Y$ jclarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze % s3 n1 E- ?0 v/ n* Vor fog. The visibility on an average clear day is taken to be 12 miles (19 4 Y0 m2 s# t+ Z0 v! lkilometers). Visible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). 7 y _3 J$ {" ?2 S( L) }- }VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. " m; U9 {/ o J9 c# i$ KVLWIR Very Long Wavelength Infrared. 8 i/ r, _: U' o0 o& WVME Versa Modular European [standards]. / `" u8 d. Y, o* w, h aVMF Variable Message Format (Telecomm term). $ ^8 R# b0 G; G& [1 BVOX Voice Actuation. & C+ _4 s! K7 J w2 N5 v7 k* X& NVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. + h. B" C3 M6 jVTOL Vertical Takeoff and Landing [aircraft]. 6 y% l! t |2 ?2 ?. y' BVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 . X! C5 l5 ^2 q$ P4 t1 pVulcan UK bomber. . w7 K+ e1 A. C0 l7 ]7 a+ {* D) y( }VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. # `1 S7 v; x+ s6 @( y1 FVVIRF Verification and Validation Information Request Form. & t+ ~3 E+ i! q2 g8 A7 t+ rMDA GLOSSARY, VER. 4.0 W 1 D. D8 D$ y0 ?$ t% l l319 5 Y' \2 \5 h' i8 Q# I! w- }' ?+ pW/ With. w/o Without. / e3 ~9 n( ~' u3 w. y1 Z/ {W/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. 6 Y; p$ G& h" M a' G* o2 bWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area 7 ]6 ^% g$ e1 kMunition. (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 or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and $ I1 E1 X+ S! [5 Sassessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, ! L- n9 W! j6 d- I5 @8 C l( p: Qairframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related ' z7 e3 U$ j" X z: Tcomponents. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). 1 {* X2 N5 _/ x! DWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) - \4 K+ U' |5 ]# R) vCharacteristics and operating procedures of sensor, communications, navigation 0 V8 A" U' q: r0 a& Uaids, 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 known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. 6 u; {& C9 L1 YWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. & i5 C! g8 ]+ cMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective E8 j ^+ b. ~' uin contributing to the defeat of the offense. 5 B1 u) q( G. A# o; e. O7 E3 ~Watch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 4 f: f# N0 b2 t8 G7 w1 n& l# ~ TWATS Wide Area Telephone System. - Q& X0 i5 [& c+ H2 j. d* [/ pWAVE Wideband Angular Vibration Experiment. . h7 z% E7 {) B9 W) ?Wavelength The distance between two points having the same phase in two consecutive & I0 p2 y6 f3 c c7 M; Z3 Wcycles of a periodic wave, along a line in the direction of propagation. 9 n l% V1 _- d1 l& oWB Wideband. 1 @3 H% p% r3 o0 gWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. 0 ?0 b s! ^2 E- \0 S) Q4 iWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. " u# V# |" [, N6 u* U1 Z/ ?WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be 1 J+ a* ?& a, p& `launched.