航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 & U8 `1 l5 U8 P1 YTheater Missile Defense Council 3 |. U1 r2 Y1 m) H H6 w(TMDC) $ {8 Q2 M' ~( K, o8 f1 M) }0 UA 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 * L5 L8 x7 y9 [' ceach applicable Service Program Executive Officer, and TMD Executive Agents 7 b$ S1 h" ?8 a2 Jand Program Managers. 0 w# H0 O5 Q" \* vTheater High $ G. V5 [$ l- |# OAltitude Area * x# _ C1 [1 xDefense System 2 x8 |" b9 ~* g) V& v2 I; U1 `(THAAD) A ground-based, air transportable interceptor system that will provide wide area 1 N+ S; K7 D6 M- x* P" M! y% ndefense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as 5 o/ e+ e7 e0 e/ NPATRIOT. / m2 r _& t$ K8 p% \4 x7 q* tTheater Missile / u R* B2 }! B/ C(TM) 9 i- }' \' L3 B3 OA 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. & J. a' Y$ }/ sTheater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area 7 R% P5 I& i9 }5 r7 ]outside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. " L& ` `1 [9 kTheater Missile 5 W# Z# |* J G1 ODefense Ground- Based Radar (TMD-GBR) ' a i3 N+ Y* D% nA ground-based, air transportable sensor that provides search, tracking and 6 {$ t4 E; D& D q+ _- x% pdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. 4 L6 M# C# }% v2 Q& rTheater Missile ' s2 G0 I- h" oDefense Initiative " h. A8 a8 u& ] E(TMDI) An initiative under which all DoD theater and tactical missile defense activities are . Z7 I3 [" X; n+ M; p( k! i+ H: }carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. / \! u2 T* }0 ~' lThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 5 ~! E% E) h5 T9 Y4 bThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or % h+ ?, O( P8 Z- j3 Ureflected from the objects, which are imaged. 4 G' P/ O+ V& N7 ~Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. 4 j/ D' d( m! m+ X8 IThermal * M) G( t6 n T H9 A1 pManagement Technologies/techniques associated with the control and management of ' c7 e+ R' P4 J. o7 M1 P" q( r( T! ~thermal energy, its generation, dissipation, and recovery. 0 g. b1 r$ R8 H$ Y' ~, aThermal : y# t3 ]* a2 ~5 D" R3 q- LRadiation 0 V0 a- M* O @; WElectromagnetic 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. + {( O* ~7 [* G3 L3 OThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 3 A$ e; b4 d3 N+ I3 E2 M: T4 Temitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the absorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated + t( e; s @9 g4 Kregion) which then emits thermal radiation. (See X-Rays.) 7 A& R2 e4 j# p6 ~; ZMDA GLOSSARY, VER. 4.0 T 4 \4 j1 J6 m+ W8 x5 [. c( H299 % r' {+ ^, I$ G$ O( X8 j9 eThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; * |2 y9 D# b1 v% l- Jit is a region of more or less steadily increasing temperature with height, starting 9 B+ }. A. {1 [5 i; U! V3 {at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. . I% ~; d9 i% GThreat ; |. N: T% z6 rCharacterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor 3 j1 W; [4 }! j6 R8 H- j4 l, z(Threat Tube) + P1 A8 \# Z4 d. e4 E1 N7 ?A tube containing all the objects originating from launch sites and aimed at ; [# @ V" o- x( z8 W) Q _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 8 |, f& g# `& I7 @missile defenses for the purpose of analysis and evaluation of those defensive {& h0 O4 a! R' {1 S, Q' {$ xsystems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance & F: Q5 A7 q# }- C* f4 ?, r1 bobjective. Threshold 3 [2 ?# m' n6 [- H7 q- J( iDefense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense 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 $ v0 I! ^7 p! T7 `Replicas (TREPS) 9 m& {# P7 x6 y! G/ j2 E" }Conical decoys equipped with a miniature rocket device. Generally used to 2 J l. i, R3 ]0 ?7 Qchange the decoy’s optical signature to resemble that of an RV in the reentry M! e1 \3 f8 G G5 _phase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. 8 b# P& i. c6 l, VTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. : h: e: `& g$ Q0 ~6 y% P W7 _(3) Theater Intelligence Broadcast System. , I! W" J( ?- H2 |9 e" ^$ | HTIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. 2 w0 t1 r% ~' x& g0 |TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 0 ?5 g: Z: s( j: R- S% lTier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). * u+ c5 u# m" ^& M* ^% _Tiered Defenses The use of defensive systems at different phases of the missile trajectory. / \& \6 b7 p* gTIES Technology Integration Equipment System. % N4 x8 T- N0 |( x5 l0 bTIIAP Telecommunications and Information Infrastructure Assistance Program. 7 M6 M# b F7 OTIL Technical Insertion Laboratory. ) @' A1 _. E; r" C7 B' L% T7 ^TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T % O) ?7 M# k# x9 n6 z300 - U# I/ ]) N+ b( {0 Y f& c9 }+ [# JTime-Phased Force and 5 [/ f& y8 N3 Z, X# eDeployment List % r+ P$ v. j" B9 J* S8 G4 @Appendix 1 to Annex A of the operation plan. It identifies types and/or actual + ]# ^1 b+ m8 z. y8 N& h+ X( punits required to support the operation plan and indicates origin and ports of 0 H( e! {' @) D. |. f: j6 fdebarkation or ocean area. - v2 p1 W" {0 s ]- n* T3 UTime of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of : U6 W/ F6 P# y! wlaunch. Time on Station The time the sensor is in its operating position. Time Sensitive Targets Those target requiring immediate response because they pose (or will soon & m5 T/ X$ m/ {pose) a clear and present danger to friendly forces or are highly lucrative, % u! N9 o" @% T% H! G0 A; m5 Cfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. ( K9 l& I2 Z7 s# qTIMS Training Integration Management System (USAF term). TIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. # M' F; O# W7 @4 l9 `& gTIU TIBS/Tactical Interface Unit. $ e2 S) y, M! h& v" y/ gTIWG Test Integration Working Group. (U.S. Army) TL Team Leader. ' w$ M% A5 x) f) q y) k: lTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. ' N, D; R1 [5 T- e" Z/ CTLV Target Launch Vehicle. 4 h) p% i$ A. L8 k) k- JTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). / H f, Y' N( Y& ITMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T * P4 K: F) Q7 z" p# L1 q4 ]$ p301 TMD C 5 |& E' C/ B# v' s8 u, e3 d3 I Those assets that provide connectivity between and among Theater Ballistic ( }+ B- N, u6 E" t) O5 ?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. * {# J2 t' J2 @TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. 5 k9 N3 u$ w' D) y; D! z! tTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). 4 `# Z6 [5 v+ d4 PTMDI See Theater Missile Defense Initiative. 5 s& Y1 x. Q- \% E/ `- m/ Z+ E2 yTMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 8 H4 t9 ^) I# b8 g+ |9 `4 B& wTMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. . z. I; }( H% {& {% s. w# ETNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. # H [5 e+ X9 [) p) UTOC Tactical Operations Center. TOE Table of Organization and Equipment. ; P( r0 f* k0 ?+ G: yTOF Time of Flight. 0 c" D( I1 x5 e; v: Y7 \; L" s* rTOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. ; O# _* y; y$ K. |" @2 `TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. " ?) j ?! s% `! Y: k3 P# ~5 M1 G* E9 pTop-Down Pertaining to an approach that starts with the highest-level component of a * N0 ?% g4 }( Q: x# [5 X8 Jhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. ( g! E7 p2 V; d/ D! Q/ oTop-Down t- E( a. y& v r6 f7 eDesign The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the ; Y8 F+ |0 J- rdesired level of detail is achieved. ) K3 M! V4 A0 K5 b! yTop-Down 7 b, {' c! f9 x. z X3 ~Testing The process of checking out hierarchically organized programs, progressively, " Z. @( C" z" [( z& I4 T3 ]from top to bottom, using simulation of lower level components. , k0 C. [# t$ r* s' N$ g; nTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power 0 T% W. y+ X1 F/ Z+ J* ^( k5 xtechnology to U.S. BMD applications. TOR Terms of Reference. % Y3 y, A3 i E8 ]TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target : k* }- E+ S* \5 p: {3 U5 @Total Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given 5 Q. t& C" x( V* T0 xfiscal year. % @2 X: A6 _+ ATotal Quality Management : r* U. I; A/ R(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 5 R2 N4 [4 h/ v$ kTOTS Target Oriented Tracking System ) X3 V7 s& \( H0 gTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or " ~; E9 _" Q* k. w- H( Kpossessed by a chemical substance not of biological origin. 6 W- f/ Q1 Z2 n5 nTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. 7 x) ~) C$ o8 j! T& U) Q# CTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). H* e( w2 Q/ z! Y" |" z$ _MDA GLOSSARY, VER. 4.0 T - N t! Y* A) B303 ; E: _. G* }5 G/ xTPEC THAAD Performance Evaluation Center. 1 F+ J) r. B7 X/ n7 mTPEM 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. TPM Technical Performance Measurement. l8 ?0 g& L( ]. sTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office 6 S1 n" P0 l4 a' R/ ]& vTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. TPS Thermal Protection System. ( n9 P2 ^+ g" \& Z b) Y. kTPT Theater Planning Tool. , E" a d1 G, o$ [/ _TPWG Test Planning Working Group. (U.S. Air Force) - l, K8 y; G5 O' @$ `9 ZTQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or ' a# o; l; H" C2 v, Udomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. , ^3 d( N% I1 Q h: P, \(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate 9 W+ j9 G8 o0 l* r) irelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. (3) To lock onto a point of radiation and obtain guidance from. (4) To keep a gun properly aimed, or to point continuously a target locating & v* s4 ?4 v' m! Yinstrument at a moving target. # s* B( _" }) v* _4 c8 }! h1 s(5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track & k3 ?$ p3 E) r0 NAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. Track, Birth to 1 J- x {. O, {" i' y2 ^: Z, ]Death The maintenance of an associated track through all phases of flight (i.e., boost ! P0 [3 P* g' s# _: U8 Wto reentry). Track Correlation The combining of track information for identification purposes, using all available |' s- N6 o9 \; t J$ pdata. Track Extension This term usually applies to improvements in track estimates by use of new data. 1 Y! W/ G) `0 m+ J2 y! t! ^: vIt is sometimes used to describe a process of target extrapolation to a future time ( {5 O; p8 U4 xor place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T 304 % {, m$ C' K- ~Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of 2 I1 x# W% U1 {* | kthe above. 1 c+ H5 v4 D7 u7 n4 @Track File-Track 9 ]( |! X; u" O& {History A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a $ a* V( w# C4 ]/ ]three-step process of data association, track initialization, and track improvement by filtering. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and + [9 r9 O% D2 APointing 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 4 N w8 n* C" O) ~6 @! |are frequently integrated operations. % o( G- I% [. `6 q4 Z' mTracking Range (Max) & ^+ m! l- r1 WThe maximum line of sight distance at which a sensor can maintain track of an object. : I5 D5 Q0 z( G2 `! wTrack 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 / T, a7 F4 D# y+ y; Q6 X. T) GArea * g; a4 v% a5 V) Z+ lAn 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. % J7 S0 _' _7 XTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. ( _9 u+ G- c9 W7 [$ ~Telling may be classified into the following types: back tell; cross tell; forward tell; , {! g: D) ^5 k( ~9 Q. slateral tell; overlap tell; and relateral tell. . M0 S4 D) v) q/ c E' v" kTRADEX Target Resolution and Discrimination Experiment. 2 [( W U4 o( N a2 R- OTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. $ R! c L) X3 r$ W) TTraffic Capability : M' e( G2 N; v0 O/ i9 q# QMaximum , z* m& o1 o" g# _' rThe maximum number of objects per unit time which the sensor system can % D0 i% R/ _0 {- S9 J) L1 B( s9 imaintain track files. 1 ] F2 t# o( VTraffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. Trajectory Histories J! z# `! C# o! @Trajectory information on targets recorded over a period of time. / D4 ? J4 A- t, eTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. ) H W5 z; V9 F$ z; aMDA GLOSSARY, VER. 4.0 T ; t- z1 G" ^6 P- Z+ k0 p2 z305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. % t& s* ? h; u4 S' l- V/ BTRANSEC Transmission Security. ! U& |: S. D. Y+ J; F: eTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to 4 w' o/ e& s5 R) x f C/ a8 f; w* BProduction A risk reduction process during which the program shifts (passes) from ' x$ ^7 `2 C P* G/ W$ B, ndevelopment to production. It is not an exact point, but is described as a ( c/ O; V7 k4 c: q. G* C0 Z' yprocess consisting of disciplined engineering and logistics management to 5 z8 G# a9 O; g _: Bensure the system is ready for manufacture. (See DoD 4245.7-M.) 8 a* ]+ @4 K( m7 x! \1 q( ^& A" x, rTransmission Security 6 e" A# g. `8 \7 }2 b1 O$ ]* d(TRANSEC) / w% H( s( G& X& z8 m6 {That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 7 J+ {9 l* }6 ]: zCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative N" j( i1 Y/ S: Bspeed 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. / s8 c H# m5 p6 j9 WTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. * I7 d0 O1 a3 r7 WTraveling Wave ; V& X7 B4 D+ g% j7 mTube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the / u1 o* c7 U0 }4 h/ O4 ?, istream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. * d& `1 v' L, r4 X4 t8 @Traverse (1) To turn a weapon to the right or left on its mount. 4 G5 L9 h2 S9 s(2) A method of surveying in which lengths and directions of lines between 3 B2 n: ?( t4 ~points on the earth are obtained by or from field measurements, and / B* O; t2 V' j b- Z0 qused in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both , a$ i/ Z$ R! w. D+ Zas a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. 7 u: M# x# \7 L* [( _2 `1 UTRD Technical Requirements Document. TRE Tactical Receive Equipment. 8 [) o% k" B5 V/ T, V* q4 e0 ATREA Transmit/Receive Element Array (THAAD). , b& K2 |, l. `; j- z/ cTREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. e0 \/ E& z: P- o3 c" q; JTREPS See Thrusted Replicas. ) j0 y9 e( A# `7 |: A( m( P5 FTRESIM Tactical Receive Equipment Simulator. / ^6 v) }/ c( a3 jMDA GLOSSARY, VER. 4.0 T - a5 [! V( j1 C+ [: r% {! `306 TRG Threat Reference Guide. 5 |, v- {1 d2 E6 U2 iTRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). + M6 F# v" _# A) @% aTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. TRMP Test Resources Management Plan. % U$ k$ X0 p% kTRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains `! _* D* `0 D9 E1 Qadditional (hidden) functions that surreptitiously exploit the legitimate 5 M) ~' P, r: K, R/ M( Jauthorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of ) b' h+ j! W. M( C u' `% c, oabout 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 : C: z. n; W n1 Q5 fthe tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or , B- y' [8 F* G: |$ i) dless complete. Tropospheric ( P. Z" Y' i7 p* uScatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). * E% b) h5 G+ B V(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer System/Software . e9 ^4 \, c+ X6 z" _. D2 J; cA system or its software that employs sufficient hardware and software integrity - C% S, x& l7 B- h0 Pmeasures to allow its use for processing sensitive or classified information. ; d0 A8 d2 U4 [5 h/ [# aTrusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person & j; |# H: L# L8 X8 ~2 a4 O. i) g0 tof the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 ) S9 n" Z. g S! _TSA Technology Security Analysis. % N/ a0 ]7 y/ e, n& y0 }& `TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). 2 g9 K+ k+ n3 E. G$ N- D: p: ATSD Tactical Surveillance Demonstration. 9 }6 T5 v) i0 f F! W- g( tTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. ( D' ]4 i$ M2 S" X6 l; {; Z& ETsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. # x! B2 y3 \0 Z& ^3 X# }TSP Target Support Plan. 6 M+ f$ H5 T- c+ C* G5 P. d+ ?TSPI Time, Space, Position Information. 6 L4 x$ A9 ?: v9 F0 U" I- `TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. 8 l1 t: Z1 U$ L3 fTT&C Telemetry, Tracking and Command. 5 Q, M4 G! Q% ]8 S7 g9 b. qTT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. ' V0 D3 D( e4 I0 K% Z1 W! S& DTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP - [+ T4 |4 h5 p( K0 a& Xprogram, which funds the development and demonstration of technologies, 1 b& c, Z# v3 j+ kwhich have significant potential for improving testing. 5 x) k6 C* G- L# x% ITTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. ( I! W9 k& X: B* cTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 9 D* Y% V3 G; \( ITTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. 1 B1 x5 K8 h" D: E" B z/ GTV Thrust Vectoring (rocker engineering term). 8 r. G, I, a. b9 V- j) M% Z2 @8 Q0 oTVC 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. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). 2 o4 j J! }3 Z( N' J! [TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 6 h; B7 {6 G6 |% P. KTY Then Year (PPBS term). . h1 j9 Z F8 P% ]) ATY$M Then Year Dollars Millions. Type A - System # b/ O; O# E0 F& f9 ?9 c5 {Specification ; Q4 X0 r- p$ p2 u. mStates all necessary requirements in terms of performance, including test " q2 R" v& U4 B7 uprovisions to assure that all requirements are achieved. Essential physical , b- U- U" _3 @6 Bconstraints are included. Type A specifications state the technical and mission 7 f% F, \+ \2 drequirements of the system as an entity. Type B - Development 7 S# g$ o& v4 D! xSpecification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the 5 j7 f9 }" {! H# L3 O: W2 ?3 _- N9 Ndevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. ! \9 c; g! O3 o0 K2 vType C - Product Specification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of 3 i6 ~3 a% N' R" X" eprimarily function (performance) requirements or fabrication (detailed design) ) M/ K% m5 I& k. lrequirements. Type C specifications intended to be used for the procurement of * j/ y7 i. d! _8 Jitems including computer programs. Typhoon Class of Soviet ballistic missile submarines. ; B( I, g, K9 k+ c& PTyping 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 , H3 c/ B* }- X( {0 Hobjects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 1 ?: C6 G, r3 ~" J309 0 S4 h- n; @: u% WU Uranium. _# N) |/ v J/ E/ iU&S Unified and Specified [commands] (pre-1996 term). & U8 @6 W/ }- _# U9 K' FU.K (UK) United Kingdom. % N: J- o1 M9 p) H% RU.S. (US) United States. U.S. West U.S. West Incorporated. - X" E" O( U$ [7 ]U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). {$ i/ S' b4 v# i; m; EUAE United Arab Emirates. " V# i9 x5 Q& ` tUAV Unmanned Aerial Vehicle. % M6 C L! L+ J: B% [& l2 bUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. % F" L2 W7 { M) |# r# l+ S0 bUCAP UAV Combat Air Patrol. 8 U$ j2 c S2 nUCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. 9 ~" X3 m: v$ |UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It : R3 s5 S/ Q1 B5 w# B0 Aconsists of a series of six planning and execution documents: 10 are the , @% h k1 s9 uProgram Introduction (PI) (also called the Program Introduction Document (PID)), - X7 e3 j0 w. f4 g: C2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the ! Q# Q* A! F8 ?# t' \, HRange Commanders Council (RCC).

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UE Unit Equipment. . D& s3 B) F6 `! Q+ |UEME Unified Electro-Magnetic Effects. ' d% ~+ O3 z2 W2 `UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. . m" ]' |, j1 t" x, ]MDA GLOSSARY, VER. 4.0 U 310 ( z4 X t; |5 y0 E8 t# E1 a( k" P) @. ]UFG User Focus Group. . i7 A; O" h# S. GUFO UHF Follow-On [Satellite Communications System]. + d1 M4 Y- h( B& p" XUFP Unit Flyaway Price. + b$ R, s d1 r) T: h. ~# _% JUGF Underground Facility. UGS Unattended Ground Sensors. # \3 z; O. ]& \! ~, rUGT Under Ground Test. 9 S3 L W: e7 AUHF Ultra High Frequency. - a: p" v" s. Y1 ?, ^ xUIC Unit Identification Code. % S* n6 }: d6 _$ M$ ? ^7 wUIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. 2 Y+ s1 t0 s9 O# J* A+ C' @* p4 w6 Q. WULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). 5 j, Y1 ?+ D5 m; [2 p7 L5 ~! U7 S3 LUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 6 m6 n$ W% d- Z v& p- ~( W% \6 a, u(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). " T+ d' Q. f8 S1 [3 x% M \) H6 ~UMD Unit Manning Document. ) N* B) O/ G$ ?5 y n4 X/ [UMMIPS Uniform Material Movement and Issue Priority System (ILS term). 5 W2 Z4 M* m; f3 ^; nUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional # {- T5 y1 B7 ^: C! U- E" xWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, . h, G6 H. E0 j( G4 `7 H8 w- R1 ccovert, or clandestine nature. 4 v9 `4 M2 W3 X1 `: Q& HUnified Action Armed Forces ! y, ^1 r# t1 Z( _/ MA 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. , Z) [" z; J. h9 aUnified Command A command with a broad continuing mission under a single commander and - S# T: ^. J4 X3 l' Xcomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. z' N9 [) y4 ?. P0 i HMDA GLOSSARY, VER. 4.0 U 311 2 z( {" _ q' |( r5 QUNISYS UNISYS Corporation. 6 u: B- X& F7 R; TUnited States 1 G9 o9 u0 g2 V! Y, }# u: Z9 DArmy 1 E* X$ l: K" Q l/ F2 TSpace Command & C+ b4 @) z0 X# H' Q(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 9 N% ?' i9 j# ~/ j: IUnited States * `* l; W& a6 D: a9 V! i1 _Space Command " _3 r3 K8 @! I5 k+ [(USSPACECOM) ' p. f4 ?1 K o: VThe unified command responsible for planning and conducting ballistic missile ( r" O4 {* G @defense. Located in Colorado Springs, CO. 7 X: [* z* k4 u* sUnited States / S) p/ q% J: L7 |Strategic Command (USSTRATCOM) ( |) y, r( w, E4 }The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic q6 ^: |& W; y4 P. b& v) Jmissile offensive combat strikes. Located at Offutt AFB, NE. United States ) q2 c. V4 z1 G; @! _/ hTransportation Command (USTRANSCOM) ! _ J4 s6 a- v* E+ S' Q! E" H- M7 _The DoD unified command responsible for providing air, land, and sea 2 z- [$ z, Z* v6 z" k; `transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and 9 K1 H" A/ c, [1 i/ X/ m0 ?terminal services, and commercial air, land, and sea transportation, including as $ |; \- R, V5 N) s+ D5 eneeded to support the deployment, employment, and sustainment of U.S. forces : ^ `+ J8 o" v" G& Xon a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. 1 a# x8 t& N- M7 J- TUnresolved & l" D4 U% u+ Y& r$ MObjects $ B4 P4 }$ k# P! @: S( P9 _Objects so closely spaced with respect to the sensor focal plane as to be ) E* h9 B9 f7 j @+ H' l( O* Kindistinguishable from a single object. 1 ~' w' I+ h" v; v' V/ uUNSC United Nations Security Council. 4 q' z" o Z+ {( @! IUnSecEnergy Under Secretary of Energy. ; @$ a# S. K* w9 \UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. / k5 |) U; C( j J) G: ^2 `4 p3 YUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. 3 C* a0 v q: vURL Uniform Resource Locator (internet protocol term). . d' V/ Z5 n# BURT 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. ; {3 R4 r) k, {& {& LMDA GLOSSARY, VER. 4.0 U 312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. : ^0 M6 X6 a1 l, p: yUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. 7 G1 U& B+ X( \& wUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF 4 b: x8 ^8 i& F) e" z$ oSystems Command /SSD. - F8 G. o" I$ f2 m5 b: iUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. * Q L6 B+ f& u& n3 W5 K6 T* Z iUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. + o& ~5 x* x7 T' E7 ^9 v. _USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. " a' B1 ?( F* B: ~( M/ O, V) `USAFE U.S. Air Forces in Europe. - G1 U1 R/ y1 C. {" yUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. ; h& m% D8 O3 F- cUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ( ~! J, y. [( x* L* |' O" x& ]USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. 5 X% j- u7 M/ SUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. % }) d# R# p4 |USARPAC U.S. Army Forces, U.S. Pacific Command. 1 _6 Z7 [! S' w& E. ] NUSARSPACE 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' f! r6 T$ H) }USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. 9 K* P' V% ]6 o+ {. ^7 FUSB Upgraded SBD. USC U.S. Code. j1 |: L! a' _2 L) T d& BUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. & p8 t* C, V9 i( nUSCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. i( j: [0 ? u7 [+ \; dUSCINCEUR U.S. Commander in Chief, Europe. / ?; x& x4 ~+ P" BUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. 5 x0 U A! s" @7 g: [USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. 8 T1 O7 H5 c6 J# i( \) RUSD Under Secretary of Defense. 0 }4 {0 V; D1 K4 Q$ N+ SUSD(A&T) Undersecretary of Defense (Acquisition and Technology). $ @! h' \, z& Y' b' V8 I& w9 d+ KUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ! s# I3 H1 Q4 wUSD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. 9 O8 ~8 e) M4 L$ ~' H1 d+ o/ K2 IUSD(P) Under Secretary of Defense for Policy. + k* P3 E S1 q1 F4 F* FUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. & i; } U0 u3 X1 O0 q) p7 bUSDR&E Under Secretary of Defense for Research and Engineering. ! L U9 w. S7 dUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine ) J% c) D% |4 n1 Z" M(hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational ( b. G- m! z; H9 eEvaluation / C, o) q9 F# `: X f/ |: Q0 X0 f: g* H7 cSystem (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) $ Q0 W- ?) @+ C+ E* xcontingency defense capability should the need arise prior to completion of the G$ A3 s' t6 `3 wnormal acquisition cycle. " `' V; c& i9 P' [$ A; IUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. , @% q( `' X4 }8 K0 AUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. 4 y! l8 D8 \; cUSG U.S. Government. 6 p* X" ~+ M1 `/ ]/ Y* ^USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U / R" M8 ~4 N1 p& E0 v( N314 USLANTCOM United States Atlantic Command (Now see USACOM). " C8 n6 z7 H2 S. Q5 l' n PUSLANTFLT U.S. Atlantic Fleet. 0 M0 @# ]+ R. n6 e/ H! S0 cUSMAR- FORCENT 6 q$ a" q# }4 }9 d% R1 w2 VU.S. Marine Component, U.S. Central Command. 5 T Y* u# W0 WUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. 7 n& x# v O( e& ?4 d ~4 P% PUSMC United States Marine Corps. 7 v: d5 j( P$ C; i0 oUSMCR United States Marine Corps Reserve. # o" s. W& i! A2 i3 a% a: G) }USMILREP U.S. Military Representative. USN United States Navy. 0 n6 z" E5 R, J& zUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. , g! }. x, m& o8 ]' f5 N) s) IUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). ) f E4 Q: T8 G G$ `1 a2 M" k7 AUSSC United States Space Command. " H5 A$ d& y* t. L8 sUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. USSS United States Secret Service. 8 U d& {) r- a& e) `5 o0 EUSSTRATCOM See United States Strategic Command. ( J: H0 e. L, d9 A( n" W7 A/ E- n7 qUSTA United States Telephone Association. 9 O& _1 G1 o% l& h; DUSTRANSCOM See United States Transportation Command. / C/ ]5 u) c, {9 q* fUT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 315 / g3 U, e: D/ Y8 J3 N4 OUTM Universal Transverse Mercator. + U- a: ^' J0 A1 XUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. 9 M& |. K: W& ]1 t8 v; ~UUT Unit Under Test (ILS term). . t T$ T8 Q( Y! Y/ q# b: l/ j) NUV Ultraviolet. # ^' d3 J/ F* Z' L: q6 g* z ?# A$ NUV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength $ }2 C6 W) | F: ~) Sspectrum shorter than visible (e.g., less than 4,000 A). # z; R: `. N- q% H7 x; a! u! u LUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 1 N( G& d1 m3 ?; ^3 NMDA GLOSSARY, VER. 4.0 V + D8 N6 {/ L. d+ G" s! |; A( U316 V Volt. 8 N" \* K1 @9 }) s& hV&H Vulnerability and Hardening. - O( ?+ u2 ]6 C7 w; U; ^$ e ^V&V Verification and Validation. (See Verification, Validation, and IV&V.) ; P5 L4 `0 L# Z" CV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. 5 K: {( b; { GVariability The manner in which the probability of damage to a specific target decreases i0 w h. V& b& L8 ^with the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and 6 m) s3 y7 f2 P5 Y8 q$ f3 j! \uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). # s' E( R, u1 i' nVCC Voice Communications Circuit. : \& ?. h+ X: d# H! ~VCRM Verification Cross Reference Matrix. VCS Voice Communications System. . X! _; |+ X" sVDC Volts Direct Current. 2 N9 `0 J0 ~0 O! N! \VDD Version Description Document. VDU Visual Display Unit. 6 N8 m( S, n8 z/ K+ ^2 kVE Value Engineering. VECP Value Engineering Change Proposal. / w! Q' m4 E7 T# b" Q# lVerification (1) Confirmation that all data inputs, logic, calculations and engineering 2 A8 C- i/ ]: D3 o9 Q1 Erepresentations of a T&E resource accurately portray the characteristics, Y9 N' y; y3 X; k! [& mcalculations, logic, and interactions of the system under evaluation. $ d J v+ Z( K(2) The process of evaluating a system or component during or at the end 0 P1 H% j( g9 R. a! O- jof the development process to determine whether it satisfies specified requirements. 3 p+ M/ M" F* Z% k5 T0 MVESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). H, S' E4 y r5 I# DVHF Very High Frequency. " k% G p0 |4 yVHSIC Very High Speed Integrated Circuit. 0 M. o! X2 i l# G/ s* @- t0 DMDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). 2 i* i6 G. f/ M8 r3 RVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D # B4 Q5 R/ G( p0 s$ e CExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 & d' ], r; \+ JOperation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a * A5 o* l3 U2 X) [gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. + A: R$ M, Y+ m/ p& GVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can " l1 Y; W- H8 e* P& b+ }- [( A5 wjust 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 , s! r( [( _7 G# w' {( A gexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze 8 } h) t9 Y2 } ^5 _or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). Visible Electro- # F) j8 c! g* h% Z8 _Optics Technologies/techniques employed by optical sensors in the visible portion of $ p0 p1 E1 j4 y7 D. z# Zthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). & d" R/ t) Q3 o4 y, q# _VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. - P" {$ ?- f& D# w9 g! N/ V& mVLSI Very Large Scale Integration. / ^8 V" Q2 n7 g: }3 e# C I8 tVLSIC VLSI Circuits. 7 ~, H8 ^" e3 g3 C! Y* _: ?VLWIR Very Long Wavelength Infrared. 5 R, X; S+ ]2 xVME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). 3 G% {3 Y' w: w" r8 T8 @& h* xVOX Voice Actuation. # y4 ] w8 A7 O9 w; LVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 2 a! y! }1 I! i$ iVTOL Vertical Takeoff and Landing [aircraft]. 3 G: x- g: f) A! x0 O/ _9 ^ }4 bVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. : u' ?) c- X" i( J7 Y2 H3 ?VUE Visible Light/Ultraviolet Experiment. 0 H, B. ]7 I M$ s" d0 RMDA GLOSSARY, VER. 4.0 V 0 K0 `. b- ?+ q2 L* i8 h318 D+ a8 n& ~4 K$ D( G. q& rVulcan UK bomber. VV&A Verification, Validation, and Accreditation. 5 t* l2 N* n4 w/ XVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. 9 `' C* U1 K) x& yMDA GLOSSARY, VER. 4.0 W 319 , b @0 d3 e( x" S9 h" ~# PW/ With. w/o Without. : R( W1 O6 y* wW/TD Warning/Threat Detection. WAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area b- E) O# [; K" OMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. & f7 C2 T+ C8 w6 c$ {- L/ l/ OWar 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 + \& H- ?; m- ?2 OJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and / h- z0 k! e# n& Vassessments. 6 O; F* j" J: {( x; O; a# ?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, ) B; p) d1 M) _# }9 {airframe, motor, or guidance section. , r3 T$ m( ~* P+ R! _6 P% U9 P* gWarhead Section A completely assembled warhead including appropriate skin sections and related components. & W8 s% q/ i, ]: @/ d Q. UWARM Wartime Reserve Modes. 3 ^2 b+ k; p- |. ]& BWarning 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. 7 V& M) R5 K' DWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if ; C( |0 F r" l" bknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to " v4 v9 t! a7 O7 z! Y) k+ }% csuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W 320 3 E# `9 a3 d4 n5 b! b fWASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. # U1 p) D V8 [! O! Y) YWatch Condition ' l) a7 e4 _. a(WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs ' {4 w+ e) X/ x$ T: wto watchfulness without raising DEFCON. WATS Wide Area Telephone System. ' N x8 p% n4 Z# m3 {; Z( ]WAVE Wideband Angular Vibration Experiment. 8 q# y# x1 k. j# i2 X& @0 uWavelength The distance between two points having the same phase in two consecutive , g1 K1 V- t+ X- ^cycles of a periodic wave, along a line in the direction of propagation. WB Wideband. ' G# K3 i: k/ _4 mWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. ) t( V8 M- Q7 p2 I, r: CWCC (1) See Wing Control Center. (2) Weapons Control Computer. 5 E. `4 y& i$ f& `. mWCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. ) r' e' i; N3 z* iWCS Weapons Control System. 3 J) F$ A# V7 g& P0 nWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.