航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile Defense Council 1 D0 h5 v+ n6 b; I9 P(TMDC) # P% h& Q4 b1 yA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for ; I/ q5 R1 ~1 U. mAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents * Q' S7 ?+ p+ z/ c; J+ dand Program Managers. % C; k; ]8 i6 x4 z H5 ]- @' T; QTheater High Altitude Area $ v; |( k# r* j& I; jDefense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area 1 o1 V- x8 K8 Y, R. Ydefense capability by intercepting longer-range missiles at higher altitudes and at 6 H5 _ C6 ]$ o6 F+ Z' ?greater distances. Will provide an overlay or upper tier to point defenses such as ( p; X; }( n3 \9 x" i- H% K- k- sPATRIOT. 7 [* o- t* f. R1 |/ K) n3 NTheater Missile 4 { t! v1 V$ J(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 Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area , l) N6 z5 [* S# C# O1 W9 Voutside the continental United States against attack from short-range, 6 _5 o8 W7 Y. t5 nintermediate-range, or medium-range ballistic missiles. Theater Missile % ?2 s. w5 Y% |. CDefense Ground- 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 THAAD Radar. ) _* z5 ^$ j' ? [Theater Missile Defense Initiative (TMDI) An initiative under which all DoD theater and tactical missile defense activities are . g7 b- ^/ {% Y0 o S Wcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 - F1 X! R" f/ F- s(Public Law 102–484) directed establishment of a TMDI office within the DoD. 4 n. P# n7 a9 h% G# tTHEL Tactical High Energy Laser. 2 U. n) ]" [1 e! T- r3 jThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 0 J! g% K4 C- A$ ~: ythermal 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 ' F; e* r9 k7 D. o3 L; Lreflected 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. 1 N6 Z3 Q- r8 r: ]Thermal Management Technologies/techniques associated with the control and management of $ q: t+ U- _1 A' U+ |( i7 G5 qthermal energy, its generation, dissipation, and recovery. 8 K( B7 Y- G$ U6 X' T% d8 C1 UThermal 5 k" w+ w+ ?( `$ yRadiation 0 y Z1 V$ l! r2 D. b0 N, eElectromagnetic 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 8 q4 e* {: q$ k$ l7 h' L0 H( o5 |ultraviolet, visible, and infrared radiations. 9 C! O/ t2 [# t0 HThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 6 X3 M4 S2 f# { f6 T; g5 Uemitted by the nuclear weapon residue by virtue of its extremely high , I* Q- H$ K# Q) k6 [- o6 Mtemperature; 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 2 C0 ?( o6 L! x6 M+ Vregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 7 c% e% F0 l8 B! OThermosphere 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 7 B$ L4 b$ }" R+ L: x9 L, x+ Eat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the ; g8 D [( X6 Texosphere and most or all of the ionosphere. 1 Z2 n& J( Y3 F% E- _" EThreat : M$ N& ?3 R `# I( H+ r/ _Characterization $ Z U( d- b+ \" U% r0 ~An assessment of the nature, magnitude and intent of an attack in progress. 9 e$ n! q. u \! `9 UThreat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at - |6 I5 y( v: c8 q# r f8 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 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 7 R+ X7 D+ [+ o- x0 Ovalue (threshold) required to satisfy the mission need and a performance % E& m4 C d. D/ a! d& oobjective. & S9 ?, s4 D2 e5 Z* s! uThreshold Defense 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 ! }# ^' O3 d% m- L' Joffense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. + b" [; X' A/ V% C+ A( Q" Q! DThrusted ) J9 a5 ]. M/ D& YReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. ( R4 a/ K5 M7 t% n" cTI (1) Technical Instruction. (2) Technology Insertion. 1 g0 j) X# ]$ L2 d2 z% jTIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. 8 m3 F. j4 P& z6 r6 STIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat 7 k0 H, D$ t; c; O. ~0 @(e.g., boost phase). 7 H6 W1 T6 Z T+ w3 g5 @9 u$ DTiered Defenses The use of defensive systems at different phases of the missile trajectory. / b' [, c' r% V. g$ X( F6 PTIES Technology Integration Equipment System. ; T, w E& r# x8 V+ \; \; pTIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. - U. T2 A2 z) T8 ITIM Technical Interchange Meeting. & R- ~( e5 |, B" c/ n$ M: VMDA GLOSSARY, VER. 4.0 T 300 Time-Phased % ~7 a! I6 c$ K# Z. r5 \1 vForce and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual ) Z1 H$ P: m1 nunits required to support the operation plan and indicates origin and ports of 2 q$ g4 m4 z& qdebarkation or ocean area. ) B- A. E/ C6 c. b& x3 lTime of Flight (Max) 3 K ~$ u1 Y7 s: `: SThe maximum time for a booster or vehicle to perform its function from time of . a4 [: w, y: K; qlaunch. # s+ {2 t+ M0 h4 ~1 L! ?5 pTime on Station The time the sensor is in its operating position. 0 N2 E% `7 b6 ]8 @! p; S3 NTime Sensitive Targets Those target requiring immediate response because they pose (or will soon ) w8 ]5 ^+ @- m- bpose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. % ~" D$ n0 v! K$ c7 _: l% g* g4 G! [4 |TIMS Training Integration Management System (USAF term). * y* k- N. w3 X! v4 dTIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) 6 D$ r6 W4 f" F: OTIRS Telemetry, Instrumentation and Range Safety * ]& z" ^6 T a7 T( @# x$ K, }: ?& lTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. 0 z" t" K* |( ~' Q- ~TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. 5 d! y0 a: `1 j( YTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). : b) R+ n* |( e5 {9 CTLDD Top Level Design Document. TLV Target Launch Vehicle. 9 f* B0 c5 Z% i6 o: gTLX Teletype. % L& Y% n- I" J8 y8 Q; x" D9 j" pTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army # t/ M3 K7 D4 y: [0 v0 fterm). 6 N2 [" A+ T9 r) @4 [/ b8 p0 qTMCC Test Monitor and Control Center. 1 t, [! G4 ~* Q9 q6 yTMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 [ _4 Q& u6 @* N) M6 @TMD C $ h0 X+ l- F' w: S; t; g3 ! C0 w" ~. {: C/ a, K/ Z' \+ _I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. r4 h2 \. H* T6 G& [ MTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 4 b5 d% U" {* ]& b5 S2 P* d: MTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. ; b3 ?/ C/ \* [% R/ G7 w( pTMD ITP TMD Integrated Test Plan. | \( K9 ?. d( R6 a: s/ y2 ~TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 9 U. A' H9 j+ P, pTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. 7 V3 L* s! v5 n4 Y5 Y& @TNT Trinitrotoluene. TNW Theater Nuclear Weapon. , A M! [$ e8 q. D# }TO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. 5 }3 N' m' Z* h* ~* s7 JTOC 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 , F- s. |/ T) a" N" e% R7 d' s0 [conditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T . A+ p8 x+ k! @( A( o302 TOMD Task Radar Management Details. 6 a0 L$ P; P- D/ C; W" J/ GTOMP Task Order Management Plan. / i. f$ F7 S Y9 _4 b! ^; c: KTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. 6 N& ~' s/ [' H% r" ~, P, `2 @; z& |TOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down ) A/ g" V6 E0 I" }Design 6 T5 D" P( V. M6 C. b( e; A2 E7 ? RThe process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. : l& }/ k+ H& k7 STop-Down 4 r$ I# H- y1 t) ~5 KTesting 8 _8 x2 X% l+ I4 ~The process of checking out hierarchically organized programs, progressively, 7 A4 y4 Q2 I# V8 K2 U& e% afrom top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power . O% a2 o$ I( P& T. {2 T- Mtechnology to U.S. BMD applications. f* W) Z0 [+ z5 Y- _6 z LTOR Terms of Reference. , y0 l* \' U% {9 w1 ITOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. * m2 `8 y, N+ \" UTOT Time on Target 4 S1 |! x7 x4 z' `Total Obligation Authority (TOA) 6 k# N( J( ~! S3 t- VA DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality 0 h* X f9 m" S1 CManagement % l% P" o1 v" H# `& x(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. # D" j8 J" X$ S LTOTS Target Oriented Tracking System ) L0 w. ~; E( \0 j0 ?, JTOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or 3 Z% j! K+ [# j+ {3 _: ]possessed by a chemical substance not of biological origin. 4 e8 H! I; Y# J* l4 \" nTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. 9 ^2 P$ @0 U U0 |; ~! q2 `TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. 7 b* a& y3 @! _TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). : {2 x- A; R$ q2 MMDA GLOSSARY, VER. 4.0 T , R& I/ Z# h, U+ u( b# h1 f303 . D4 ~1 c" i6 O; M+ m9 n8 U+ xTPEC THAAD Performance Evaluation Center. 7 }3 i [$ Z* n/ bTPEM 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. TPMT Total Preventative Maintenance Time (ILS term). 5 P9 I! u) n/ v7 Z$ I9 f1 MTPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target 8 ?- O# W1 l) I% ^( S6 u; ^7 ZPerformance Report. 4 b3 u% w" L8 H# ITPS Thermal Protection System. * l& x: ]: Y! o _5 L4 xTPT Theater Planning Tool. ! C" }. k- e6 T' GTPWG Test Planning Working Group. (U.S. Air Force) % d0 m" w" v5 aTQM Total Quality Management. ! X* V$ z+ E% \. QTraceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path " Y: c9 g8 [& O& ?3 v2 l9 A(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate * M% \" `) K1 B$ k- l* trelationship 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 instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track Assessment 3 q7 G, c5 x/ z: J! f3 z/ b- Z8 {2 |The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. ' K: Y" k$ d! t' YTrack, Birth to Death The maintenance of an associated track through all phases of flight (i.e., boost ) j6 s7 Q7 q+ X% t8 B; Wto reentry). 6 H( O" q# P5 Q: c8 ^Track Correlation The combining of track information for identification purposes, using all available 2 h" i7 c8 f0 }& A/ @; Rdata. Track Extension This term usually applies to improvements in track estimates by use of new data. C# C' y8 R" l$ S2 A, I4 X" AIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). $ _8 N7 }; I( ?, X9 d) d5 J8 @& kMDA GLOSSARY, VER. 4.0 T & f) g% C; O i( F4 I& ?- B304 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 i/ v, A, G+ }8 C# Zthe above. , x3 g" o2 f kTrack File-Track . ?$ b8 V& z( R" E. p# q* [History + j) F- x9 V/ g% J9 I1 g# [A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. ( B/ y) v; w1 x2 ]0 K+ {+ k, G- LTrack Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement [! |; N1 g8 o8 ~8 |by filtering. , t& b. b2 Y. N( ]/ H- B/ R4 zTracking The act of generating and maintaining a time history of an object's position and - ?7 m" F- p0 @: Hany other features of interest. Tracking and Pointing ( G6 P7 K7 m1 y( G3 Y* HOnce a target is detected, it must be followed or “tracked”. When the target is $ A5 t0 F# W1 O2 e+ x8 b4 _/ Isuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. Tracking Range 5 ~% r9 `) |" a( Z(Max) ( N. Z) K9 e7 @* k/ b) O7 sThe maximum line of sight distance at which a sensor can maintain track of an " U ~& f9 \( s u, Q7 N' |% a. ?object. ; e x: v( i& y' t; j( VTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector % z: T/ }5 B$ u2 J) u; N6 {+ `of an object. The process typically requires observation from a number of ' e, r) w0 \" Wframes. ! [1 M1 w' L: P# |7 f2 y; |; ZTrack Production Area % R. Z; v) K# J- `. XAn area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information . ]4 g1 @0 {8 u0 o* {* `, p6 z0 Hbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; $ A4 m: c0 t- ]0 R8 h3 q. w% g4 l# wlateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. - d5 r4 G- f. b8 `* t' a) yTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability & A" M) E7 u% ~6 ~0 e% `Maximum The maximum number of objects per unit time which the sensor system can 1 O5 o5 w+ @& T1 ^! h, f2 e {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 9 }! b) B; T( E' o; `6 Preentry. * p8 C% {& n7 Z; T' d3 ?$ z- nTrajectory The curve described by an object moving through space. 7 N" H! n0 ^+ k0 V7 ?Trajectory * n3 F! t0 L9 E0 k) j6 kHistories + j" t: T+ M) Y. D3 h1 CTrajectory information on targets recorded over a period of time. TRAK 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 ( W. V, r! {+ xTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. ( Y+ V' t) d! c. x6 U) }5 eTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 3 L. u6 }7 a: g3 L/ g8 r5 K' f8 LTransition to 6 u/ ^3 c8 Q9 J7 o8 CProduction A risk reduction process during which the program shifts (passes) from ' R# c- A5 m" {, Q# Z9 hdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to 2 M: v. ?$ J2 \ d" G" U3 g Iensure the system is ready for manufacture. (See DoD 4245.7-M.) # m2 L0 }/ [9 {# B: GTransmission Security 2 ^. _ S' A4 H7 x* P! h8 v1 _(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See & I9 z! s+ U4 R; h' n% o* |; fCOMSEC.)

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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. / a1 D) p. L! `" X8 B1 r6 d6 T) ?Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. 4 I4 [: K* o. w! z- [TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security ! Q# L9 t: J0 _! N4 }) h; m- wmechanisms to be circumvented. Traveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or & A# l, w3 j# _! ~) ]repeatedly with a guided electromagnetic wave moving substantially in f4 E& ]/ n# z# _& z* Fsynchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in 5 ?8 q% P3 P) a- ~# Z5 B1 Ithe microwave region. 0 ^: G ?& P' ~Traverse (1) To turn a weapon to the right or left on its mount. 3 r1 J- `5 @$ M& W+ P% y$ @. Z: K(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 & Y- i P% O- m( |9 x' L& \used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. ; j( H. v$ a9 c3 X3 R1 M( V: CTRB Tactical Review Board. 8 z/ H' H8 Q/ h3 m8 { \2 p$ wTRD Technical Requirements Document. TRE Tactical Receive Equipment. ' j) J* V* B! G4 JTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. " H8 a) h) k0 mTREPS See Thrusted Replicas. : G% J) m" L8 @% |+ }/ c) w9 x7 mTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T ! M: e" V7 |( }" B306 TRG Threat Reference Guide. ! C* n' Z) U3 A( U. H5 r. }" fTRI-TAC Tri-Service Tactical Digital Communications System. - \! r G6 |' ~7 `% D RTRIDENT Class of US ballistic missile submarines (USN term). . [0 n/ t; v5 H# gTRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. 2 w' ?0 W2 ?) t* v! LTRM Technical Reference Model. TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 8 K! x. i4 S2 x9 J' i: R U Sperformance. / A# B \% H& q7 `8 I; `/ x+ ATROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the ( l' ~% {+ Y9 B$ C/ x$ a& `atmosphere, the troposphere. The tropopause normally occurs at an altitude of + P' z& g* f0 y7 qabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the 9 T" y9 X8 \+ z! j" ktropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to - k( [& @/ o: ?4 }# _# i; Bthe tropopause, in which the temperature falls fairly regularly with increasing ; Y# ^# w* B) ~2 P R6 qaltitude, clouds form, convection is active, and mixing is continuous and more or 0 x7 b. _1 h5 h4 ~less complete. 9 v9 {* N6 X7 L' B2 pTropospheric % E) ]2 @( }. UScatter The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. # [# F, A3 U7 h8 sTRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). ' j% \0 s( [1 r- ]- @" X0 w(4) Technical Requirements Package. ? a. x. q0 OTRPC Technology Readiness Planning Committee. # s9 \2 K6 ^5 m- V8 zTRR Test Readiness Review. Trusted Computer % T: D" b* f& |5 p9 E0 d; T" aSystem/Software A system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the ; R, A3 [1 h2 {Trusted Computing Base. This mechanism can only be activated by the person 4 f+ o: W# ~1 O! r& S1 hof 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 2 b2 L# l6 j+ C1 d; b2 b) d- ^307 TSA Technology Security Analysis. * G) t6 O& T+ F9 f; R w& XTSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). ; o* `5 o/ S6 o" tTSD Tactical Surveillance Demonstration. 0 x2 ^# N1 {5 k3 g: n1 m9 xTSDE Tactical Surveillance Demonstration Enhancement. c- m# [0 z3 HTSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. TSP Target Support Plan. 2 ?$ L3 ?2 C: \; q; D) vTSPI 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. ( ?( K7 I. o3 K( v* Y( C' j9 W# nTSWG Target Signature Working Group. 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. # Y! D. F- O% V- p$ o, B: E8 k1 FTTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP ( \! c5 h8 j9 b7 M9 Q+ w6 R! w% a" Bprogram, which funds the development and demonstration of technologies, 6 f& U! D2 j! U: T1 uwhich have significant potential for improving testing. 9 a9 _9 @0 _) a3 F3 jTTEL Tools and Test Equipment List (ILS term). 9 ~0 d3 b; P& ^% LTTL Transistor-to-Transistor Logic. 6 E9 n6 ]1 b9 QTTP Tactics, Techniques, and Procedures. + L4 X7 ?$ u+ z* t. @TTSARB Technology Transfer and Security Assistance Review Board. ) D! n% @: e+ Z/ OTTT Test Technology Transfer. ) ]! e2 l. b; OMDA GLOSSARY, VER. 4.0 T 9 d- l4 J; x& B! W( O/ ~7 L+ d308 : q1 z7 b4 c7 sTTV Technology Test Vehicle. ! ]2 e- l' w* V' h. S& sTTY Teletype. " z) P# D( l4 \' s4 p, I/ ITUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. 2 L0 U: i% e7 i$ STVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. 0 t. @6 @! W r* o( c1 V+ OTW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. & s( z2 M; p/ Q* l) tTWG Technical Working Group. * x4 w9 l( U% {6 G5 a, _' V# [TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). 7 S. g' K( B4 E/ U9 ATY Then Year (PPBS term). TY$M Then Year Dollars Millions. * I/ P' Z! Z% X* y5 m5 gType A - System Specification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission / j0 x4 n0 R' \0 N4 trequirements of the system as an entity. Type B - / I5 j5 {: i& p" K5 ]: y" wDevelopment Specification 0 p5 O0 J( m& C$ f7 ] i* f3 [/ DStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the development of items other than systems. They specify all of the required item Q8 k0 z: r4 l/ E3 d" }4 f2 {functional characteristics and the tests required to demonstrate achievement of ! d5 ?, |+ t6 _& \; Zthose characteristics. : U+ `9 t; p- g4 c9 I1 }. q( [ vType C - Product + y {5 n: K; _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) 2 ?" Y5 T6 u2 X) V7 I, ^% c4 x! g2 X: [requirements. Type C specifications intended to be used for the procurement of items including computer programs. ' s I' r8 f3 t8 w: J8 ?Typhoon Class of Soviet ballistic missile submarines. Typing The act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). MDA GLOSSARY, VER. 4.0 U ; e2 o3 S( x7 M8 B, r# @309 % p' V, ^$ a, e) Z8 }U Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. $ I/ F1 j# r1 _8 B6 `U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). / x4 o7 N8 l `UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. 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 . j- q+ G9 [! b. z( c8 k0 Scapabilities and plans of test ranges to support program requirements. It " B4 q( u( Q4 L7 C5 L9 \* Iconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 6 Y0 i- n: Y* N0 w: D2 o2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) + \2 M% `+ a3 rOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the ; \. z8 {" i6 dRange Commanders Council (RCC).

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UE Unit Equipment. * }: |5 O/ `" @3 E7 c& XUEME Unified Electro-Magnetic Effects. * q! T4 |8 q9 Q/ |% g G) x nUEWR Upgrade Early Warning Radar. 1 ^6 _6 N# m [) O6 E" |: UUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. 1 \! c: \" ~) E) LMDA GLOSSARY, VER. 4.0 U 310 ) i% C" r+ C+ q" x. h# ]UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 0 X1 v8 Q, c( C6 w9 c# fUFP Unit Flyaway Price. 1 z# _$ L$ Y2 X4 i; N; F6 WUGF Underground Facility. : j, v. q3 S$ xUGS Unattended Ground Sensors. UGT Under Ground Test. : u3 v6 S4 M0 g; [8 ~: ` c$ MUHF Ultra High Frequency. / r5 l+ t: C8 p9 }+ SUIC Unit Identification Code. ! ?/ y% Q; \5 l2 y+ k; { ?UIN User Interaction Node. 1 B% i, g8 i7 J! w& Q( F$ J5 `UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ) i* l6 Y0 S( [! u( R( NULCS Unit Level Circuit Switch (SINCGARS term). 1 Y3 M! o, q2 g. f9 [% cULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. - M2 u' \7 y$ r# i* W! yULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). - @: F8 ^7 p1 h3 H/ rUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). ( _' r: p% j- C, M ~! oUNAAF Unified Action Armed Forces. UNC United Nations Command. Unconventional / C8 }$ O$ `+ u# LWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare 3 I, G5 L0 d* A3 R0 sincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, ; X9 j& E4 |1 q2 Wcovert, or clandestine nature. Unified Action % J3 Y. l; L% ~Armed Forces A 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. $ b% x) b- `; Z, d F( x/ {Unified Command A command with a broad continuing mission under a single commander and ! J; W' K# W7 `4 |composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary & y6 z- w6 y4 _6 T6 k5 A2 N, \of Defense with the advice and assistance of the Joint Chiefs of Staff. 9 a3 m# }7 p6 |2 H) [+ E1 EMDA GLOSSARY, VER. 4.0 U 5 f1 `5 g$ |4 u9 t311 UNISYS UNISYS Corporation. United States $ V" X. G/ o5 E* _0 z2 `" n. i; O" v2 MArmy Space Command (USARSPACE) 2 w. Q j ^/ J- z' uThe Army component command of USSPACECOM. Responsible for the Army * u5 d! i% u! b3 v, h6 telements of the SDS system. Located in Colorado Springs, CO. United States / u* d& V& m! L2 m: J: ASpace Command (USSPACECOM) 5 Q x( N) l( d) K& c( y' E0 SThe unified command responsible for planning and conducting ballistic missile 9 `5 E3 U, [4 b6 }* T/ b9 }defense. Located in Colorado Springs, CO. United States & M; |% D8 R0 y7 N% r5 QStrategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 9 M6 w B3 x8 x8 H# b% Bmissile offensive combat strikes. Located at Offutt AFB, NE. ) j- i* s. W2 ^1 h9 qUnited States Transportation Command . D) a. @0 |, A5 |# ?(USTRANSCOM) " c; G1 m3 Q! N. vThe DoD unified command responsible for providing air, land, and sea 2 I: \; L$ P: v/ ytransportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as " P @% y- u" o; fneeded to support the deployment, employment, and sustainment of U.S. forces on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. Unresolved Objects ; n q" P' Y( h2 `Objects so closely spaced with respect to the sensor focal plane as to be 1 t3 D1 l2 Q, tindistinguishable from a single object. % a8 J% X" v5 M4 d3 O" UUNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. & i- n, f# g5 S/ ~) J oUOC Usable on Code (ILS term). ) f, d, P1 B+ O/ F$ t! bUOES See User Operational Evaluation System. 5 l" i7 k& x( TUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). 3 R Z" a: j( _3 i# ]URIP University Research Initiative Support Program. ' X5 `- N7 `2 \( ]6 r; eURL Uniform Resource Locator (internet protocol term). . E% d2 o1 x/ m- B& K& A! rURT Upgraded RTD. + P4 P6 @, r. M0 G$ @ ?4 qUS/UK United States/United Kingdom. 5 ?; ~! O6 Q R, m$ pUSA (1) United States Army. (2) Under Secretary of the Army. 4 }% _8 y2 W* k3 |4 }* GUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. : O3 c5 e: |8 {: @. _MDA GLOSSARY, VER. 4.0 U % b0 K7 X3 ]' H312 . C, Q: j& E: p0 SUSACE United States Army Corps of Engineers. + h, t, m3 ~9 iUSACOM 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. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF : l3 K6 q3 {1 ~Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. $ U' H5 J9 }1 G3 d6 tUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. + Q4 a$ l2 X9 }2 f5 g7 _9 [/ J, XUSAKA U.S. Army Kwajalein Atoll. 3 p! G, ~& u- b' s5 _) mUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. 8 z% ]1 H. _1 K1 c5 x: g6 cUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 6 f2 M! d+ l- V+ B' yUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. & P( G3 D0 X$ v2 XUSAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. ! N& n0 b* _- T* ~2 L, QUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 2 A' H, y( g& Q- m( j1 _; g4 ]; CUSATRADOC U.S. Army Training and Doctrine Command. , y: ]- J: u4 LUSB Upgraded SBD. 2 ?/ G) [& F L/ F t) i9 xUSC U.S. Code. " x v9 x; e4 LUSCENTAF U.S. Central Command Air Forces. * h* M, u: O, r3 S) C; ^# OMDA GLOSSARY, VER. 4.0 U 5 ~+ @+ O, N0 _! s0 J1 N8 X( l% r313 4 l# `5 S/ `3 Z6 ~; r7 T7 SUSCENTCOM United States Central Command, MacDill AFB, FL. , W7 H4 u0 \$ I& D7 i1 kUSCG United States Coast Guard. 4 m" m8 S" m# |/ n( tUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. ; e6 }" G. w) _+ |* s( IUSCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. ; @: O4 J( _; S- V% P/ P: ~! e' bUSCS U.S. Customs Services. 6 D, d2 ]5 h* g" L. F, WUSD Under Secretary of Defense. i9 H! s! C5 g7 b6 }USD(A&T) Undersecretary of Defense (Acquisition and Technology). / h3 r5 R) W I* O2 b- ^) ?USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). 6 Y* \ p2 z9 `+ E* T) i6 `USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. ; D7 }- s5 Y: r8 q/ M# S aUSDAO U.S. Defense Attaché Office. 7 }- R+ ^4 g- |8 _9 A# F5 {6 P& V2 qUSDELMC 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 / M9 f) t: A% m |8 C' U(hardware) or program (software) that is compatible with a person's ability to 6 h l V' ~# G) D3 C$ D4 [ Ioperate it successfully and easily. User Operational ; [& V! Q( e- M4 I, B* Q; C' w6 YEvaluation 4 P- U( v# g3 c! r+ v v3 ZSystem (UOES) ! |: D: U9 R6 y4 G8 w% I0 IPrototypical 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) contingency defense capability should the need arise prior to completion of the / O- c) g# w% B& q; S: @ G b* cnormal acquisition cycle. USEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. ; U# E7 N7 D% [+ c8 WUSFK/CFC CSFK Combined Forces Command. ! ]! P+ y6 [5 d' ~2 K+ T! ]USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 $ M+ i; ^3 ^. r0 s# A! ZUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT $ v8 g- a7 d# l( mU.S. Marine Component, U.S. Central Command. 8 I/ V7 I* u$ Z9 \% E* V$ mUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. + L4 h y7 P1 e% P& v2 g. p: v9 _USMC United States Marine Corps. USMCR United States Marine Corps Reserve. * o/ O- Z6 {* I* ]" jUSMILREP U.S. Military Representative. - |/ @' r9 S ?# X. k5 Z# ]7 s+ WUSN United States Navy. : Q# n0 q2 }2 U! SUSNAVCENT U.S. Naval Forces, U.S. Central Command. 8 S1 k, q% B( \2 n9 T! o# c9 iUSNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. & e% Q5 b D7 l/ A6 m* q9 u( dUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. 0 n3 V5 Z0 m* Q4 CUSPACFLT US Pacific Fleet. # _" b6 m+ n* U: b- y: |7 ~4 I# kUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). 9 |3 u3 {1 p/ v7 f; N9 ]USSC United States Space Command. % Q) {3 M6 p: q7 wUSSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. 5 j, q$ Q1 T8 Z9 PUSSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. ; u$ s) ?' G" I- X9 s8 KUSTRANSCOM See United States Transportation Command. . D+ W2 b: F2 F1 k2 p, BUT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. ; c H8 y/ t' M% a* k0 G# F' x7 S) Y; @UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ( G* S! Z! F, z0 t8 j! c/ q7 S; uUUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- 1 i' B+ p1 c/ g8 ?Optics . y+ k% k" E2 {3 I2 u4 c. v: O1 LTechnologies/techniques employed by optical sensors in the wavelength # Y+ a/ P; ^/ m- ]' G% o7 `8 U9 @spectrum shorter than visible (e.g., less than 4,000 A). UVPI Ultraviolet Plume Instrument. % S; B* U' x( S+ wUW Unconventional Warfare. % `, V! X6 F P3 j' H' lMDA GLOSSARY, VER. 4.0 V 316 + m6 s+ z4 [; h0 u( b' |/ `% S! vV Volt. # e0 V/ [( ?6 F0 n5 K; A0 yV&H Vulnerability and Hardening. * Z3 E8 q( [" x4 t3 M; S3 K( K! \V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. $ _3 H5 V4 R! @7 F, {- N8 d$ ^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. ; w' }; Y- B+ q( N J6 [! FVAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. 4 [6 ]0 {' f/ N6 z+ dVariability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. / u+ N0 D% [8 kVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. " O. P( W6 [( h0 A4 mVDD Version Description Document. VDU Visual Display Unit. VE Value Engineering. % B* {* i! o) o! ^4 [: tVECP Value Engineering Change Proposal. ) `$ @) B6 p2 kVerification (1) Confirmation that all data inputs, logic, calculations and engineering " u; B: J& b- d8 u4 Lrepresentations 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 7 ~+ [) y2 i: h5 Z: Oof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. 1 V1 p" M8 V) V* I/ S0 L. C7 `9 |VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). 2 }# Q+ w- O& H- NVHF Very High Frequency. ) \5 F4 R, s/ k# N7 ]( q6 VVHSIC Very High Speed Integrated Circuit. ! N W# f ], k5 c m* K; `) RMDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). ' {! G$ U! x1 s* l( |% q! F7 ?4 [VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D 0 D- v1 ?( ?( u% s; k- jExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 S3 N4 ?+ c7 E# ^! FOperation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a , f" k2 i+ n: }* u/ x3 ugimbaled airborne sensor with visible, experimental UV and quantum-well IR - v9 ?# p1 X0 M4 m8 ncameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. / r/ y/ `' ?% v; l; B8 p# T( ?VIM Vibration Isolation Module. 2 | w' p- v# x8 f/ h5 ^% V- t% hVINSON Encrypted Ultra High Frequency Communications System. 2 M, u% Y8 J0 b! A6 @$ S5 _VIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range $ j+ x( \# y1 M6 Q3 l(or Visibility) : k0 B) O* c8 I$ S! |) G/ T1 KThe horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the " D0 G4 m7 K M% i8 eclarity 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 + F' O% S/ B0 G. R4 `- Eor fog. The visibility on an average clear day is taken to be 12 miles (19 5 P' z3 p' ~6 F, u9 e/ b; C0 }4 rkilometers). Visible Electro- Optics : q' D* f0 S* A1 ~+ }Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 7 `5 V+ ^. S/ A& T3 G: P4 a! `VLSI Very Large Scale Integration. $ }* W4 L$ O& p& r9 Q$ |5 d' q* cVLSIC VLSI Circuits. # T, P5 z% q" s- ^ |/ b6 DVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). # \7 X' O: Y/ U; ], KVOX Voice Actuation. ) c' B" R9 e% i. }% OVRI Vanguard Research, Inc., Fairfax, VA. , T& a0 R! @1 M. |! {VTC Video Teleconference. 4 x: n$ O/ B% Z4 x3 zVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V o8 d6 K5 p) N$ L0 {1 X. u$ T. L) h318 $ Y% D! U& N" U5 [Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. , q( G: p) H4 r3 IMDA GLOSSARY, VER. 4.0 W 319 5 R9 U/ s( I+ BW/ With. w/o Without. W/TD Warning/Threat Detection. 9 z N3 t1 e |! J7 H. t, eWAA Wide Aperture Array. : K- Z# C; ^, H8 i$ M5 nWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). ( ^; [- O9 A1 x8 p- @& nWAP Wide Azimuth Probe. ) D% y- S3 z3 c' |; dWar 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 + t6 t4 M( S# c/ O! R9 Hor assumed real life situation. 4 B* A3 Y& D' d) c8 B7 RWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the " D; h8 y. s3 p7 TJNTF for use in CONOPS validation, missile defense program design verification, 7 g& h6 k" q4 b6 {/ Gvalidation and accreditation, and support CinC/Allied wargames and assessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. : {9 k" O# S( }, ]) w) H3 q! OWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, # a+ r) j& N0 L! v! O2 Oairframe, motor, or guidance section. " }5 e9 u" e$ c/ x& e, ?8 GWarhead Section A completely assembled warhead including appropriate skin sections and related ( B1 d% H$ Y. b; X2 Fcomponents. WARM Wartime Reserve Modes. a& ^# S8 m9 m3 P) `$ ~Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. ; Q6 I: V2 K4 O+ s# f% j0 {0 JWarning Order A preliminary notice of an order or action that is to follow. 3 u8 {+ M8 N% V* I0 ~WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve 1 i1 H- {$ z% B0 a* V. y" x& \* M) RModes (WARM) 2 m" a8 q( N, L ~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 ; U) F1 c% }* Q! o: M0 X9 `commanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to ! K' O" w0 }6 T- H+ Hsuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. 2 T5 m) e$ d) f3 q) E3 sMDA GLOSSARY, VER. 4.0 W + i; {0 V+ p2 J" L320 2 G, I( S B9 f [% B8 N1 t% nWASHDC Washington, District of Columbia. 5 C+ S% s0 {+ s; s6 L* d) AWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. Watch Condition + Z( [& o3 q1 {(WATCHCON) 0 I4 C/ v/ F) k* QSeries of readiness conditions used by the intelligence community to alert staffs 6 m* i6 f1 b2 w* Z) fto watchfulness without raising DEFCON. WATS Wide Area Telephone System. WAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation. + V% E( l9 H n. bWB Wideband. ' P3 ?3 r' B3 xWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. ( |( b) v; K& o% bWCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. WDM Wavelength Division Multiplexon. 9 ~% m' P% U5 y3 Y+ g0 ^+ aWeapon Enabling The set of control functions without which defense weapons cannot be " \8 q! j# H1 A5 u1 [8 V$ Llaunched.