航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T # |6 y; d% b& l3 J, ~: {298 Theater Missile Defense Council ' w: j' V1 }5 l" e4 [# w& A' n+ u(TMDC) # p$ D5 e* E4 [A consultative body for considering TMD family of systems planning and : u0 R7 w" \+ Z# a( e3 v2 B! jprogramming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. R* @0 Y) B) I6 d! b% Y6 s) NTheater High * ^! ?' p9 H6 q$ @Altitude Area . e1 J9 |3 G( _; y/ |3 ADefense System (THAAD) . [2 S0 }# Q2 P: K- rA ground-based, air transportable interceptor system that will provide wide area & t' h$ _. z/ l9 t; P3 ]defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as . V" O9 a2 o1 w* b7 Z8 @" EPATRIOT. Theater Missile / n% I* k" m2 F; P3 D(TM) A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. Theater Missile " O3 x. E P/ V8 zDefense (TMD) * U/ m8 ?; E: p1 g& l" sOBSOLETE. The strategies and tactics employed to defend a geographical area - G9 A j' {' d" E4 Zoutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile 7 J# `" M+ |( ?7 r' i) p/ BDefense Ground- 7 q* ^* g" Z/ `Based Radar (TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as * p4 ^6 g" }2 |5 g4 s `THAAD Radar. Theater Missile : Y* f) [$ R; m/ G) W, mDefense Initiative (TMDI) ( e* z1 |. f+ M7 @; iAn initiative under which all DoD theater and tactical missile defense activities are carried out. Section 231 of the National Defense Act for Fiscal Year 1993 (Public Law 102–484) directed establishment of a TMDI office within the DoD. * F. M' I8 S8 w/ rTHEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of * f; a& R8 `8 g, Qthermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. Thermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation ! @$ n/ | x9 c4 O Y+ G% ?" Y) }Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. % W8 M8 x- z/ K5 W- [" R4 n9 YThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 5 ?( k7 L; r3 i1 u+ ^" N' @emitted by the nuclear weapon residue by virtue of its extremely high ' k& ?+ n- e( b1 J( R: S& Htemperature; it also is referred to as the primary thermal radiation. It is the 6 v% T( j j0 ]' r7 C \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 - b# J% |) Q5 O7 T% Iregion) which then emits thermal radiation. (See X-Rays.) & d$ F9 x# `: A7 E u. b2 V4 vMDA GLOSSARY, VER. 4.0 T 299 : J1 j7 z8 C; ^6 BThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; it is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 0 Q/ s2 `/ O: Uexosphere and most or all of the ionosphere. ; x* r. U8 m$ I. J1 W+ JThreat - u* H3 O, ]# y. h" f* g' L: ?Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) % T, G, c8 W$ v M* B1 HA tube containing all the objects originating from launch sites and aimed at 3 }# k% E- T2 P+ ] O3 r4 Etargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation. $ S5 b3 E9 r+ b$ n0 C8 p% t8 oThreat Scenario A hypothetical example of the employment of threat systems against ballistic missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable ) n6 p! i/ ~$ f2 x; R* f7 Y; Yvalue (threshold) required to satisfy the mission need and a performance objective. Threshold ! |* K* r) C2 b! v" o4 j/ B) NDefense / ?+ N B6 R% t( p9 H8 ]" E* `. y/ ]A defense strategy that concedes that the target can be destroyed at a price , `' ~& h) i' {$ U- Vthat 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. 8 `) r1 \- e: r* s$ C& r/ z0 V, GThrusted Replicas (TREPS) : f5 I! s/ X6 }* g3 E1 Y1 vConical 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 c6 O8 o* T6 A5 {0 t1 ^* cphase. ) a/ F: u3 r) u' f; W; l3 Q( t9 WTI (1) Technical Instruction. (2) Technology Insertion. : f" h; ]1 g" ^ m* D# rTIARA Tactical Intelligence and Related Activities. ) {; n* n! } u% Z1 u- a) HTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. # Z* ~9 y* m/ y( u2 q(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP 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 3 w3 z. Q7 Y9 m3 O(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. 9 [# |6 n; O: }5 wTIES Technology Integration Equipment System. 1 t# l# Q9 x; f) a, J P0 d$ I+ d" }& aTIIAP Telecommunications and Information Infrastructure Assistance Program. ! g' a2 f" }) L, b: r: ^TIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. 3 y. f4 B- m0 x. o- BMDA GLOSSARY, VER. 4.0 T " v3 y) w4 h! X; a300 Time-Phased 0 [& Q& P4 i3 d2 X8 q8 K8 ]Force and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual 3 ^ n# ^* o7 [; p% Ounits required to support the operation plan and indicates origin and ports of . m& v; E$ Z" K7 Q6 ?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. , g4 r0 _# d1 _: d: a+ mTime Sensitive Targets - f6 F4 W, j) [, _% l) e' ^Those target requiring immediate response because they pose (or will soon 4 y" a/ M% x% |pose) a clear and present danger to friendly forces or are highly lucrative, 5 c; y: X5 x7 f _1 ~0 [1 ^) nfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). , V4 O4 b* g9 y& F+ q; s" B* b: }* UTIN Theater Intelligence Networks. TIP TOPAZ International Program. + s% b' _* M" ITIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 2 \8 y- g" r; a Q* i, hTerminal (GBRT).) g/ g( w: I M8 l7 E+ ^TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. 2 \4 P( h& r. j: ~' NTIU TIBS/Tactical Interface Unit. 5 f% [# F" `$ [TIWG Test Integration Working Group. (U.S. Army) * {" a5 v8 W" gTL Team Leader. TLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). . S+ a" p5 P$ l: kTLDD Top Level Design Document. TLV Target Launch Vehicle. & `- Q4 t2 C! Z! dTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). , ~) K3 d2 m$ G; t8 }TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. 3 ^3 |0 @' }( M* RTMD C2 Theater Missile Defense Command and Control. & F& D F% V1 l; D3 v, m9 {MDA GLOSSARY, VER. 4.0 T 301 TMD C " G8 p# e: v# ^3 I Those assets that provide connectivity between and among Theater Ballistic " R3 q+ }# O- {0 l0 e5 O6 iMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 8 g9 ^6 H; d9 H1 ETMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 8 g" X& e& d0 }6 p, l& P& n' @TMD IA Theater Missile Interoperability Architecture. . o+ `" g: t) ^3 Q- C! N3 \TMD ITP TMD Integrated Test Plan. $ |* t4 z$ I9 }/ ~; Z% DTMDAS Theater Missile Defense Architecture Study. 6 e0 Z# v5 V3 W' z. Y! G x! v2 `TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. ; }6 `- u! K0 C* k* j5 ^' \# v% CTMDSE Theater Missile Defense System Exerciser. + m3 g4 s* z p+ H! RTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). $ \" \3 I8 I6 u* gTMPCU Tomahawk Theater Mission Planning Center Upgrade. + C) b* A3 K. ?9 w1 lTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 8 O H- u' J, `% J' jTNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. % H+ q: K( |) E# ^- dTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. 4 e( ^% O0 Q; y; g1 R: L ?+ i- hTOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal 8 `6 m$ q- u8 u2 C+ Lconditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. $ V4 W/ q( b( d& _% n ~MDA GLOSSARY, VER. 4.0 T 302 * J9 h* l1 l1 a+ W) x) ETOMD Task Radar Management Details. $ J/ s5 {" q8 _. XTOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). & D9 s+ O2 q, D6 ^" G+ ~TOO Target of Opportunity. TOOL Target of Opportunity Launch. " W: J5 }9 J) v% ~- o6 Q' ETOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a # }( D, V7 {: g5 F+ N# t; r6 Dhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. 8 {2 O! |' i6 J2 m$ kTop-Down 5 ^% e1 a7 R: O! N9 |. p, M! R6 DDesign ' y1 U6 t' V0 S1 _The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. 6 Q: b. }% J4 }# V0 s0 \) P6 ATop-Down Testing . U5 w1 s/ e' p# a, [6 `The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power . Z8 C& Q1 T5 N5 w* Atechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target 7 l' |% {, B) j4 rTotal Obligation & X& y4 z+ o5 `: Q* tAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given ; g+ N) s; D2 E4 Afiscal year. ! n4 Q! L) s* o) i# E, z+ STotal Quality Management (TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. 3 ]( K- p. N2 I! ~% x5 F* R" NTOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. ) |: {, [1 L- s, XToxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. ( ?" F! @+ F, M7 A* Q& k: _TPD Mobile Tactical Radar (US). 1 g+ A: U/ _: W- PTPDR Total Processing Data Rate (TelComm/Computer term). # x: I x9 R; n7 C2 OMDA GLOSSARY, VER. 4.0 T 4 i$ b9 e9 G, s7 b" a303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). 8 X2 K( e5 m- e6 K! bTPFDD Time-Phased Force Deployment Data. , K( f0 q, ]3 E' `- I2 ^TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. * j' P. Y7 ^, [+ [# FTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office 8 b6 g6 G9 Z* D# w- m; jTPP Test Procedure Plan. % F0 i# U& A: B! e& u7 K' e- m* z6 o) }TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. " |( H3 F! x# i9 D, rTPS Thermal Protection System. TPT Theater Planning Tool. 2 a8 N( |6 L/ h9 y- N$ yTPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. 2 Y; W3 L9 x# V9 A* PTraceability (1) The characteristic of software systems or designs or architectures or / Y, N1 C) T$ Y3 Hdomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or / r5 d! D \; J* emore 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. ' s" O' h$ U! S# m" n# R(2) To display or record the successive positions of a moving object. 8 h# {% X$ v1 C/ L0 c2 A(3) To lock onto a point of radiation and obtain guidance from. ( R7 K5 d% ~5 y' T1 |8 `(4) To keep a gun properly aimed, or to point continuously a target locating instrument at a moving target. 6 j5 D) ~! n/ p) t$ m(5) The actual path of an aircraft above, or a ship on, the surface of the ) S6 @0 G: J+ s3 w6 qearth. + A, x) ]" c8 K6 VTrack 7 u( Z" x J! H" x5 V' e& v. _) CAssessment K6 L. j8 K( g# kThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. + A O' W" P4 G* Y, ~: ~9 rTrack, Birth to 2 r0 j. G. z& F* \! A$ c. ~Death 9 b5 r% L: K5 i; ~" zThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). 5 @, q; J0 G6 e. mTrack Correlation The combining of track information for identification purposes, using all available data. Track Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). 6 c4 j9 G7 f3 i1 s8 x4 K0 aMDA 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 ; a" Z5 q! V6 w1 j& o7 `& K7 ~the above. Track File-Track History ! v _5 i! C+ h- c" |$ EA set of individual track reports on a particular object, which taken together . U) t& u- @( s- u0 I$ Tproduce useful approximation of that object's future position in space. . J& n5 y) D$ S( R6 {! ATrack Formation The process of determining the track or tracks of detected objects. It is usually a : P- w4 t! e8 B' r u: Lthree-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 Z4 n: {% B4 n( R6 x( Bany other features of interest. Tracking and Pointing ( H; M+ ~* ?) U% @Once a target is detected, it must be followed or “tracked”. When the target is 6 w! q" E& e6 c, v, L: Z; I1 r! m5 ssuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. Tracking Range (Max) ; r: w" w7 J5 I, w8 R3 e- k& F8 JThe maximum line of sight distance at which a sensor can maintain track of an 7 K; b! M( ` Z. kobject. ! Y5 j/ |8 Z. V! @0 BTrack 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. M! v3 _/ s$ {; L4 h8 K: q5 z* b# J) fTrack Production - b( y6 ?# X- ]! C; JArea / a) v4 Z3 _8 M2 o* }' m: Q# c) ~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. / @9 x$ x% _9 A. u& d8 a i4 P8 wTrack Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. ( M* k1 l% }8 a' d; ]( ETelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. % W4 T9 \0 w$ ^( c6 a& k2 QTraffic Capability 4 `/ N/ n+ a8 aMaximum The maximum number of objects per unit time which the sensor system can maintain track files. Traffic 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. 7 x3 U$ M2 v& V, \7 ]4 VTrajectory The curve described by an object moving through space. Trajectory Histories Trajectory information on targets recorded over a period of time. ) z& q7 v% J" k3 q8 ZTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 * X6 H% `- E% P2 k# RTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. " M8 p$ X* v% D' w* V: P7 C" VTRANSEC Transmission Security. ' C2 g: m4 K# ^7 k' nTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. % I# M5 ~6 ~! m. \* s3 Z# F! \Transition to 7 |2 W8 Q9 H. u; A) P$ B. y5 BProduction ! I1 e: V* W; V5 m" Q- NA risk reduction process during which the program shifts (passes) from " h4 V' d" Z8 O# v# W6 r; ^+ ^development to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to # m+ {' o s+ i* ]7 Censure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission Security 0 l+ o% e; _6 {$ z4 R" e, f, {(TRANSEC) % h5 A T2 H) s6 V; E1 |! SThat component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 0 B/ N7 S( v6 x+ m/ zCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is encountered when passing from subsonic to supersonic speeds and vice versa. / k6 Y; R3 n/ m/ vTransponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 4 }7 k7 T$ Q+ Y) |" ^# K: ^TRAP Tactical Receiver and Related Applications. 5 l9 n5 l Q% HTrap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. Traveling Wave Tube (TWT) 1 d" ~1 ?, f" @9 e" bAn electronic tube in which a stream of electrons interact continuously or & }/ s" R! {0 `& p2 arepeatedly 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 8 h% v- k" t$ D+ k. tstream to the wave; the tube is used as an amplifier or oscillator at frequencies in " }- }) b# X8 [- |4 w: F* athe microwave region. 0 U( j" \3 C4 q$ DTraverse (1) To turn a weapon to the right or left on its mount. ' |, \5 G6 j/ T) |$ {. v6 [+ 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 ; ^; K! t2 f; y( k% q/ z' g( _used in determining positions of the points. ! [% u, n; ^) Q* @. iTraverse Level That vertical displacement above low-level air defense systems, expressed both $ E1 J9 w' S0 ~) z7 @- _8 Ras a height and altitude, at which aircraft can cross the area. . R6 s3 _# w5 P2 W: d/ y" cTRB Tactical Review Board. $ V3 l' Q% ?! Q& j( n! e4 x" cTRD Technical Requirements Document. ' u4 z" j5 G! rTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. ) s. V0 x9 r0 mTREPS See Thrusted Replicas. - ?8 G* Z$ Z7 r( i! {! ?( k1 p# h" K9 ~7 _TRESIM Tactical Receive Equipment Simulator. 5 ?9 `$ O0 @+ I, r$ L: B4 V, yMDA GLOSSARY, VER. 4.0 T 306 7 P: o" y+ ` O$ t& Y; rTRG Threat Reference Guide. 6 E. A* X2 n$ q% ~" I) zTRI-TAC Tri-Service Tactical Digital Communications System. ! P4 k: ?+ S7 Z( J& _TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). $ e; z$ l& d* n+ ]. nTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. 5 a( f. K0 v- U! @ w$ ]TRMP Test Resources Management Plan. 5 e) P) a' C0 u' _9 JTRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains 4 ^( f7 c8 Q: |: U1 c6 J. @% ~additional (hidden) functions that surreptitiously exploit the legitimate 5 a, L$ [8 W; M. |authorizations of the invoking process to the detriment of security or mission * H5 I" P9 ^( Y, `, |" I5 mperformance. TROPO Tropospheric Scatter. ! g" i# L* o1 \5 h% R ZTropopause The imaginary boundary layer dividing the stratosphere from the lower part of the # c& N# v' _& M4 ?' W$ batmosphere, 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 0 ~, W, d0 s6 ~tropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to ; q+ V, R' b) V" Cthe tropopause, in which the temperature falls fairly regularly with increasing 9 l0 O- K* Y2 ^& Aaltitude, clouds form, convection is active, and mixing is continuous and more or less complete. T& \. L8 ?/ l- g& `Tropospheric 5 `( @4 [% f( b0 Y& 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). 6 C' T% s8 F9 F8 Z' Y5 g(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. % M2 p& h8 Q, ]- zTRR Test Readiness Review. Trusted 7 k: b9 E! W! o- {. L4 W0 \Computer 0 w. d2 L" ]; a9 J- ]) ?% BSystem/Software A system or its software that employs sufficient hardware and software integrity $ Q) u" }; D2 _3 N! O) |* lmeasures 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 Trusted Computing Base. This mechanism can only be activated by the person 5 H/ g& h; X/ Z) E6 m& I: ]of the Trusted Computing Base and cannot be imitated by un-trusted software. - A0 Y+ n; z8 y9 u( }TRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. * W) d, O+ L3 M" ?1 a, }MDA GLOSSARY, VER. 4.0 T $ c4 r* ]7 {' P6 [" v307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. 4 m/ Q! q9 w5 i8 T) a! U5 `6 OTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 0 D, I* e7 G& r3 s8 [TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. ) A5 E! [( [, @" d2 mTSP Target Support Plan. 5 F8 w! [+ w4 p0 }& W+ J4 cTSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. * Y+ D) f& L# ~# O. O5 D5 Q' |TSWG Target Signature Working Group. - B2 j$ U; N! g: _TT Total Time. TT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. 1 w( y B2 |( j$ q4 |- z+ JTTBT Threshold Test Ban Treaty. , B! M2 Y9 c7 ^ b; ]" nTTD&D Test Technology Development and Demonstration. A portion of the CTEIP q9 G. y0 O) D- Iprogram, which funds the development and demonstration of technologies, $ w) b0 K, K& O1 _- D a0 bwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). 9 o* t3 z- i- l" U4 oTTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. ) |7 |9 I. L: t3 w: [8 K9 uMDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. * V5 \# i8 c$ Y# C s/ h0 |TTY Teletype. TUG TRACE User Group. & c" k# B3 j6 b$ NTV Thrust Vectoring (rocker engineering term). 1 L$ q7 `3 s# P; _* N! l: `+ j9 n6 sTVC Thrust Vector Control. TVE Technology Validation Experiment. 0 ~: u+ ]3 p$ x1 ]TVM Track-via-Missile. : @* {3 r' v5 OTVV Technology Validation Experiment. TW Tactical Warning. n2 X) N4 }4 o' o# Y: [TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 6 Z) K, F$ W3 \TWS TOMAHAWK Weapons System (USN term). , n' V' j/ b- J) Z3 B' ]% CTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 6 e0 m% O# R- K- y2 x8 R( q+ cTY Then Year (PPBS term). TY$M Then Year Dollars Millions. - m6 g4 S; B$ y) K1 t0 BType A - System Specification ) V4 p. p) X/ \5 s/ u9 ?States all necessary requirements in terms of performance, including test . `) c3 H L% A9 y/ zprovisions to assure that all requirements are achieved. Essential physical : b4 W% o( |: W( a% r* v: | K$ hconstraints are included. Type A specifications state the technical and mission requirements of the system as an entity. Type B - ; E3 p% h; _. c/ iDevelopment Specification States all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the ! T4 a. s2 k: T; b/ c1 T1 hdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. Type C - Product 8 z6 w t l* }9 o' |) @Specification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) 7 P' w" @: l. L: @1 Lrequirements. Type C specifications intended to be used for the procurement of 3 O% @3 w- L0 o! t9 r( nitems including computer programs. / P: S1 p6 q N8 wTyphoon Class of Soviet ballistic missile submarines. - n4 q' o% _9 \, u' CTyping The act of recognizing objects by measuring a set of observables, computing a ( T* a/ o, h- G# I) B" oset of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U 309 4 v3 H2 m4 `& eU Uranium. ! `3 s. G+ C% e7 O* sU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. " H( c# h$ s K: V- qU.S. (US) United States. % y6 J" P4 s; d9 nU.S. West U.S. West Incorporated. 1 I" E' H1 Z1 u+ B3 q- `6 }* }U.S.S.R. Union of Soviet Socialist Republics. : A& h& a. y, N3 |( Z/ P1 ]3 OUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. ) W3 I. {- \0 c# @& [: _( u3 w5 @1 A! A# NUAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. ' h0 Q( [3 v1 [8 pUDMH 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 ) D0 _" C) m! D, [4 c* b3 ecapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the ) D; m" v, p: ~1 l# ]0 KProgram Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) & f% j+ Y" m) _Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 7 u* l& Q9 ^1 ^- aUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. . T# P W* s/ K% s8 n6 l0 [UFP Unit Flyaway Price. UGF Underground Facility. 5 t- ?* Q. c6 }9 T$ F1 W5 J8 \UGS Unattended Ground Sensors. UGT Under Ground Test. + p2 S+ Q4 c$ TUHF Ultra High Frequency. . o: \0 _1 k# y8 G' Z: Y8 I) IUIC Unit Identification Code. * x0 s/ k: j+ }( i" ZUIN User Interaction Node. - s. t" o4 n- G3 |UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. 7 L! _) j* \% _8 V0 QUKTB United Kingdom Test Bed. * U% ?8 V( E! uULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. ( h9 i6 Y2 u3 s6 q$ Z3 v' `ULTDS Unit Level Tactical Data Switch (SINCGARS term). 6 x4 d. R+ D. Y: G4 d$ c+ SUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. " w5 ]% H* ?( z' z: P xUNC United Nations Command. 4 i4 T$ H- r2 h6 ~( Z2 {3 CUnconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare W4 N& R& r+ B8 Dincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion 3 I; H# L1 O5 Z, k# Iand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action $ [' ]" L$ Q3 u3 cArmed Forces 4 O% c! C$ E1 N1 C( s) k9 bA publication setting forth the principles, doctrines, and functions governing the ( T( J* Q- v) Y2 M% C0 N* A" oactivities and performance of the Armed Forces of the United States when two or $ q' [" d( ^) g2 Tmore Services or elements thereof are acting together. 7 v$ N6 Q, |8 ^8 _3 i( x% c4 pUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. + v' z# ]( \9 \- E- ~* D( ?MDA GLOSSARY, VER. 4.0 U 311 , t& H* m) T |& @UNISYS UNISYS Corporation. United States 4 w5 U1 O2 R) R& F& O1 a3 \Army ; z* p- a, O0 E5 VSpace Command 5 y7 [- N9 D/ H. M5 s(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army / Z# y+ J/ B! F1 n" L6 Selements of the SDS system. Located in Colorado Springs, CO. United States * A6 E0 r* Q+ WSpace Command ; s: F) R' Z) }% G: r2 D(USSPACECOM) The unified command responsible for planning and conducting ballistic missile 4 k4 U% ?4 _1 f2 o+ h% cdefense. Located in Colorado Springs, CO. United States 8 P7 w9 Y) L- EStrategic Command (USSTRATCOM) 0 x( K8 ^" O( jThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic " B7 j. l$ u3 i4 ~/ {missile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command (USTRANSCOM) & r- {1 E9 ~1 ~4 m7 ^1 V* lThe DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of ]( E1 a4 {) W$ L4 z: [- D) Vwar. It is also responsible for providing airlift, sealift, surface transport, and ! Q: w+ L1 R" f |4 Y: _terminal services, and commercial air, land, and sea transportation, including as y2 `+ O$ Z1 T; r/ ?5 vneeded to support the deployment, employment, and sustainment of U.S. forces 6 N$ H. B# k" t8 J; H/ Zon a global basis, as directed by the Secretary of Defense. Located at Scott ' E5 [8 c0 j) JAFB, IL.

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Unk Unknown. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be % ^: `5 R$ ?1 M% ]indistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. 0 c5 o6 v J9 f5 u4 [) S( ~UOC Usable on Code (ILS term). ! y, u% L" h3 k4 p, cUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. # z* b" s' ~$ M9 N0 U: |UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. & p: J: s1 t- J! cURL Uniform Resource Locator (internet protocol term). . ^5 i" ?/ b, FURT Upgraded RTD. 2 H: Y# [$ N- pUS/UK United States/United Kingdom. : `! A1 J M8 u$ l4 D- v- g5 nUSA (1) United States Army. (2) Under Secretary of the Army. - @- i0 v( U# gUSAADASCH U.S. Army Air Defense Artillery School. 0 D- r& I3 T Y8 D9 v! s3 UUSAAE U.S. Army Acquisition Executive. 8 }" U1 k, R u, Y4 j2 cMDA GLOSSARY, VER. 4.0 U ! M/ ]5 N1 E" W6 |* d5 t9 h312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. H5 n ~$ e+ t. c9 z) y; p, [& s7 G8 qUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF & M% Z' X7 y$ ~; J% j: E: u' _Systems Command /SSD. ! I6 L: V& C0 ?USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. % e, a& ~! }$ Z$ f0 aUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 0 H" R/ a* Z z$ gUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. " q# H2 P- C0 ]7 l. M: v% z8 gUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. + U9 c& @8 v8 P3 Y, b9 J/ ?! {/ yUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. - O+ M+ e/ n, w/ w, DUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. 1 H- s+ V5 q" N! L0 }" P7 wUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. 9 l" R( `1 W s, c' i! s3 kUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL ' p7 c/ G" i1 iUSATECOM U.S. Army Test and Evaluation Command. $ }% ^& p& B8 B" I; _! ~USATRADOC U.S. Army Training and Doctrine Command. 2 ~2 ^( m8 x% `' G1 Z1 v% OUSB Upgraded SBD. USC U.S. Code. - x& Q. i6 x! XUSCENTAF U.S. Central Command Air Forces. $ S" F) K. I0 h6 E* W) MMDA GLOSSARY, VER. 4.0 U 313 ( z" c& p" v% zUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 4 ^- B) l4 ^2 s1 }5 f8 c- [USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. , Z! x- ~2 A: n! S- ]; M. P) d, X& YUSD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). 1 w4 c+ S4 u% L$ s$ n& XUSD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). ( P' H- T3 ]& m4 d K# W! C1 c1 P n9 ~USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ; {+ X& \5 Z2 p( yUSD(P) Under Secretary of Defense for Policy. & r }8 |0 X# UUSDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. , J5 t* U0 w& k1 CUser Operational Evaluation & @1 E4 H( j) q1 mSystem (UOES) Prototypical system developed and tested as part of the early phases of the 8 q$ d4 l0 O" Y& v1 cdevelopment process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the normal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. 6 |& a& Y- A5 v2 wUSFK U.S. Forces Korea. & ]1 `6 f9 G( v6 X ZUSFK/CFC CSFK Combined Forces Command. 8 n. a" V+ h9 Q$ A( DUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 1 {& r4 R/ d, j1 E# C' A314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT 7 w! q7 s4 W% M" C I. _U.S. Marine Component, U.S. Central Command. 0 e+ H( r- a" s/ ?( JUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. : @3 k6 S/ z. l6 p& ~0 X0 rUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. 0 A2 K, a! T5 N+ F2 v/ jUSMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. & M" @- ^6 A! t& v' v6 vUSN United States Navy. % V0 U! ?1 W O7 GUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. , ? x# J3 {1 \+ P. `2 PUSNO U.S. Naval Observatory. 4 P: F3 T/ U3 g2 }/ n4 `USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. 9 x6 g g3 W: m% ?: IUSPACFLT US Pacific Fleet. ( U& P% P& w1 b% n* @8 y: WUSPACOM United States Pacific Command, Pearl Harbor, HI. " ?8 C7 v9 w5 R9 Y/ G# SUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. 9 V; n2 T2 X2 y0 P* _" K( LUSSOCOM 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. ; i! q( P. \( G; A j% z6 x5 x$ G; _USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. ; Y3 M( o* o7 [+ X- KUT Universal Time. ' F# B0 U; N2 j- _+ g, f* dUTC Unit Type Code. & i4 _/ d/ d) D9 J& k2 Y, O1 \; fMDA GLOSSARY, VER. 4.0 U & r6 j5 J: S. a' w" i, @/ U315 UTM Universal Transverse Mercator. ! j1 `3 O7 Q4 D) R# d9 fUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. & e2 K, c4 B. {, \1 vUUT Unit Under Test (ILS term). " l- V. v# K9 N: k1 m# g) S( XUV Ultraviolet. 0 s% J! O/ Y. F0 ?UV Electro- 5 R& e u$ y8 U+ r4 Q, IOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. 7 e2 ~# h; n. S* JMDA GLOSSARY, VER. 4.0 V 316 {1 ]2 h/ j! ^1 B) G: [& y& yV Volt. V&H Vulnerability and Hardening. # \& `; i3 h; \7 {# Q9 ]V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. ) u) V0 G1 g% |: k) UVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real . t+ W8 F- l7 v7 V1 X! Iworld processes and are realistically sensitive to change in the environment, . {. \7 i4 i. V& f& Z; x& A# N" Wtactical situation, system design, tactics, and threat. 4 i& u( B; f- t6 V+ ]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 3 A# D/ n% z9 k8 S- lwith the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and 8 Z2 r& n( P# h6 j. f2 [/ D4 y1 vuncertainty of target response to the effects considered. 6 V3 I+ K' x7 Y% O0 f Q- P3 u0 sVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. + Y5 t% C3 j5 f) ~VCRM Verification Cross Reference Matrix. . ~1 w$ n; g, w5 K7 VVCS Voice Communications System. VDC Volts Direct Current. + G0 f: ^+ M' W# t7 Y9 b% \VDD Version Description Document. VDU Visual Display Unit. # E( v) s: d% Q8 D3 o( H/ jVE Value Engineering. ( n9 p" J/ D3 \3 g, M2 x' jVECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering 9 ?; l1 [) ?0 D, \6 ]$ arepresentations 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 ; Y# i# s; F- Q; pof the development process to determine whether it satisfies specified 8 A; w* Z7 z K+ n" t9 |1 |requirements. VESA Video Electronics Standards Association. ) ^, A+ y) c1 k% ]" \) @VFR Visual Flight Rules. 9 W% d& j' Q1 e3 C+ Y, oVGA Video Graphics Array (Telecomm/Computer term). 4 j; ?. A0 e" v/ ?* f3 f8 XVHF Very High Frequency. : Q' Y& m& W! n2 \6 P7 bVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 317 4 C9 ^2 F& J$ y4 C. iVIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D . K& q% o$ v) GExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 ~, N1 z) Q3 o" _: s, POperation Per Second (OPS), using a mixture of experimental three-dimensional + v/ v' K2 ^1 u6 \# i) H; Ncircuitry and commercial components. Project also demonstrates VIRGIL, a ; ~- S# F* K# V6 j0 ^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. . r* o4 K) f) r0 z! I% u9 h& Y' D6 \VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. , p- e) X/ Z/ a/ t2 HVIS Visible. VIS/UV Visible/Ultraviolet. # q2 H- v, M1 D9 y; s9 o# kVisibility Range + j6 i4 O& W {4 c(or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can 0 G! c: l1 t' A9 T9 Qjust be seen against the horizon’s sky in daylight. The visibility is related to the * X, p; B0 S! a+ l8 Aclarity 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 or fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). . c. m5 g; [2 y8 X. t+ bVisible Electro- - Y8 c& p& m% h6 p# F! MOptics Technologies/techniques employed by optical sensors in the visible portion of & B; X# F8 \ V: |) vthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). t$ a* k, M' w' B6 @, z/ OVLF Very Low Frequency. w- j7 Y# S+ E" h; ~" u( @) TVLOS Vertical Line of Sight.

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VLS Vertical Launch System. ( i- E1 j4 C8 h6 iVLSI Very Large Scale Integration. 6 l9 a: n( v, XVLSIC VLSI Circuits. ! }( q3 s9 a4 W" BVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. * e- C1 G) T) p" DVMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. VTOL Vertical Takeoff and Landing [aircraft]. 4 D7 Y0 N3 U2 U: EVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. # B# w7 K$ F% e! O( c# v# B# m8 rVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V 318 / R& Q4 }* m, r8 ]Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. : D2 C5 y5 w# y7 G8 uVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W 319 # e' L1 j8 N8 a! g a0 I8 LW/ With. ' a; ?8 O7 ?- S1 s8 e+ m' bw/o Without. W/TD Warning/Threat Detection. 5 L' m9 g# [9 eWAA Wide Aperture Array. r. V$ m5 Q( i% X+ ]WALEX Warfare Analysis Laboratory Exercise. $ f8 i3 ?0 v$ O0 p: w# y' aWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. 2 i7 o( U6 w- m, }, MWAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. 4 v, N7 z8 w& v5 dWar Game A simulation, by whatever means, of a military operation involving two or more 7 |" ~5 c1 U5 y9 e0 bopposing forces, using rules, data, and procedures designed to depict an actual - S8 i3 ^# z( P; p! {- For assumed real life situation. 9 p& y [, n" `4 x/ LWargame 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, $ N( s/ n, k5 Y( d0 ~validation and accreditation, and support CinC/Allied wargames and 8 z6 D) d6 ~" j' kassessments. 7 g1 A9 z; p& bWarhead A weapon, usually thermonuclear, contained as the payload of a missile. / s4 j8 i0 p& b- O( ~Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. 6 n3 s, ?, r5 m# dWarning of Attack A warning to national policymakers that an adversary is not only preparing its . q- r5 R3 V8 g4 harmed forces for war, but intends to launch an attack in the near future. 3 H6 N) ~' M" W3 I# L6 f4 k0 V% HWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). 0 @0 h) t: f9 R7 _9 |WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) & a1 N+ s9 K/ S0 KCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will # w1 b2 _# v# S2 ~" mcontribute to military effectiveness if unknown to or misunderstood by opposing ; a# b, |" E Q: d: ~6 S! Rcommanders before they are used, but (2) could be exploited or neutralized if 5 x4 O/ u* m9 w0 ?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 6 p3 _' @* J- F6 x2 Ysuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. 2 n* X5 U A y7 E0 Q7 hMDA GLOSSARY, VER. 4.0 W 5 D& d: G- k# ]320 WASHDC Washington, District of Columbia. # u( a1 \2 m# w) V# J5 x: GWastage (Max) The maximum number of defense weapons which, when used, will be ineffective 2 `* U; A5 b: N$ F8 m( U0 rin contributing to the defeat of the offense. 8 j, i9 u2 f; |& E' j& h. K7 DWatch Condition $ V8 N4 `' j# T$ S. K2 Y" r3 H5 R' i+ w(WATCHCON) 1 G" m% X9 p$ h# }Series of readiness conditions used by the intelligence community to alert staffs 9 Z) L% v" l0 f- z2 f. f9 yto watchfulness without raising DEFCON. - A$ f/ b4 Q* p2 w* TWATS Wide Area Telephone System. 0 w) i* ]3 y- u/ ZWAVE Wideband Angular Vibration Experiment. : j+ C( ^( I) f0 W1 lWavelength The distance between two points having the same phase in two consecutive # n: L) T$ I q0 @0 c$ b( gcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). G; y% E2 p1 e4 Q {% X( J; cWBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. 4 M- H. B5 q9 O- UWCG Workstation Computer Graphics (Computer term). 4 S. h: Q! v, xWCP (1) Weapon Control Processor. (2) Weapon Control Platform. ) [, \5 e1 _ C2 uWCS Weapons Control System. ! r9 p/ f% B6 e o. Q4 b EWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.