航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile 0 m/ b! I) ]2 G+ q" ^Defense Council 5 a/ U: a4 W7 [' @3 p3 I& ^, z(TMDC) 8 ~- z) H- v1 [, e5 Y$ OA consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents - D" E, W, \8 G: f5 m: |and Program Managers. Theater High / b& i: A$ n" A+ NAltitude Area Defense System & J# |. z9 ?0 V1 `) \(THAAD) % _$ Z. F: F2 {4 o1 |A ground-based, air transportable interceptor system that will provide wide area 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 PATRIOT. 2 _9 E9 }+ p3 e1 F5 S: O8 jTheater Missile (TM) A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. ' u! e# y" {% R9 aTheater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area 5 J# J0 [# p1 S+ Voutside the continental United States against attack from short-range, ' ?+ a1 K: h9 j( E& tintermediate-range, or medium-range ballistic missiles. , U& |) a8 L' LTheater Missile , v& c( G5 Y6 N- i. _Defense Ground- Based Radar (TMD-GBR) 7 c2 y" r9 a4 }. n; v# u) fA ground-based, air transportable sensor that provides search, tracking and c5 e. l* X( `! G Z' J' ^0 sdiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. 9 q" J7 `- ]/ I1 w9 UTheater Missile Defense Initiative (TMDI) / d( k, b [2 [; `An 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. THEL Tactical High Energy Laser. Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of 9 V. Y8 J' i# C- N' S- I% Xthermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 0 b2 e, O4 }8 F7 ~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. / U' Z# a$ J& V! r" `Thermal Management 9 A+ @$ W1 @) V# l0 RTechnologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation 9 H" L/ D/ K, D7 _3 T) ]- P) dElectromagnetic 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 ) Z% |( |9 j( w5 \6 D5 p7 G$ cultraviolet, visible, and infrared radiations. . _# C) X- j" u: C3 a* X7 RThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the absorption of this radiation by the ambient medium, accompanied by an increase 0 ]6 N9 T2 d' W9 ^1 p- s* d$ Oin temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) 1 o4 I' I1 E% SMDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; % y5 s7 ?' m: [- i9 ?it is a region of more or less steadily increasing temperature with height, starting & p0 j2 C" S6 N) ]4 Sat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat ! T/ g7 b- \% X3 a* gCharacterization An assessment of the nature, magnitude and intent of an attack in progress. ' S0 t( { m9 N+ ~2 h6 oThreat Corridor (Threat Tube) A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management * u0 ^! j1 c8 A9 Dcomputation. 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. 8 L, M# [; |( K- ?. AThreshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. Threshold Defense 3 C6 y2 d4 j o3 O: U9 N6 i9 K, j+ ]/ lA defense strategy that concedes that the target can be destroyed at a price ; I: k7 W& j: ]" zthat is not prohibitive, but the presence of the defense is thought to require the y9 e% L& x' v3 x2 S9 w( Foffense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. * S7 n. g2 f {$ F2 o/ W. bThrusted ' b2 J4 q1 \* a S/ D8 hReplicas (TREPS) . T6 u& Y, I9 U4 ^1 WConical 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 ~8 w X- X9 o1 d) Iphase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. ~- i# H0 s7 r* I1 |(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. % f) g" ]" `% G& D7 `3 [TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. % w' }/ V! g4 g0 W6 z( C- gTier An integrated set of SDS elements that address a particular phase of the threat 1 c1 r1 ]4 `: q0 t' u" M4 M7 l(e.g., boost phase). ! @2 ^) I0 W% q# i6 ITiered Defenses The use of defensive systems at different phases of the missile trajectory. % t, J5 R+ m: D; f3 n& J* dTIES Technology Integration Equipment System. ( v6 K4 p, ~0 @. I: JTIIAP Telecommunications and Information Infrastructure Assistance Program. - d) N5 y) S- H2 G( }TIL Technical Insertion Laboratory. 7 d/ P3 Q" _ ?* _: ?; Q2 X# ITIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T 300 Time-Phased Force and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual ' A# a6 l/ Y" G2 x3 Iunits required to support the operation plan and indicates origin and ports of : v6 b/ p0 z7 c$ f- Hdebarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of 5 H) O5 I% W% z" E$ jlaunch. Time on Station The time the sensor is in its operating position. , W) {1 z8 D* A; |1 P8 _* _. B7 z, ITime Sensitive + J% T3 S# g' \- }% u9 jTargets 4 m/ O$ ^* Z, h2 I! _6 ZThose target requiring immediate response because they pose (or will soon , Z; [9 ~1 @7 Q n1 Z- Y: i" x+ r) E) ypose) a clear and present danger to friendly forces or are highly lucrative, , H# j1 \* G* `9 r tfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. 8 M- t9 _/ m* v- W- H# iTIMS Training Integration Management System (USAF term). ) {& ~1 e. ?6 u( [: w R. p) bTIN Theater Intelligence Networks. - x! d6 F8 Y+ ~7 e o! n% ~* zTIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar ' x0 E& m; F4 d# [# [' t- xTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. : u: ^/ {9 f }" \/ Q- Y& GTitan USICBM. ( @. k3 \0 V8 O0 s: P [ [0 A5 WTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) : b& Y2 |- X6 {/ x! }& x! R/ F- O& ZTL Team Leader. 9 j% t0 h3 ]2 ] q1 k6 P: \) iTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. & e. E1 X/ e; s0 B Q: Q8 ITLV Target Launch Vehicle. TLX Teletype. 4 |+ v0 h7 d' D! B" NTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army 1 w- x0 G) X# `$ m5 Bterm). : v" [5 F( H+ { i7 o$ v$ gTMCC Test Monitor and Control Center. ! m: F+ F6 ?$ @" l' [! STMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T ' G$ ~3 R0 x% r9 H4 _4 i301 TMD C $ R( z0 G7 L9 `0 A- p. P3 I Those assets that provide connectivity between and among Theater Ballistic * s- y" E. ]4 F; l# n x# z LMissile Defense forces. * U4 A5 S3 q8 e3 L. T! kTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). # ], f/ o2 ?3 \+ {2 f3 Q- ]TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 0 X( B1 @+ K6 F6 ]6 \2 q% l0 L6 BTMD IA Theater Missile Interoperability Architecture. ) e4 J/ ]) R* w7 K8 aTMD ITP TMD Integrated Test Plan. 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. & i& t/ L0 d/ z# A- V8 X) a/ S& MTMDSE Theater Missile Defense System Exerciser. / J8 f9 D" G, sTMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. 2 N$ {9 X5 ?% C+ n+ ?TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. 2 L; I( U: I7 x! w4 j5 Q' bTNT Trinitrotoluene. W/ y% `/ f% i$ j6 OTNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. 2 k; e9 {3 D: R, s! s5 ~TOA Total Obligation Authority. TOAM Tactical Air Operations Module. " P& M0 b& S8 _6 NTOC Tactical Operations Center. 8 L3 N1 r8 v, ?" i7 P( DTOE Table of Organization and Equipment. TOF Time of Flight. , ]8 d- Y T% XTOI Track of Interest. # l, Q7 G0 m: hTOIA Task Order Impact Analysis. 3 I2 G- L, d$ MTolerance The ability of a system to provide continuity of operation under various abnormal conditions. 7 V4 A7 ~# \+ B% c6 }TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. ! N5 p! z# t- A0 E' RMDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). 2 K F0 S0 Y" }6 E1 YTOO Target of Opportunity. ) T3 _& A" Z! L: D9 @) B5 JTOOL 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 # ?$ O) ~0 \. _! `; q6 ADesign The process of designing a system by identifying its major components, * M- `+ p) k y% T( ]decomposing them into their lower level components, and iterating until the 0 ^. \' ]3 v7 s! h4 u4 Ndesired level of detail is achieved. Top-Down : ^7 J/ D; ?6 g+ oTesting The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. : H6 e6 I) ?7 ]9 h9 wTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. ' t0 N3 _2 j( fTOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. ' z! o0 D% y6 f+ hTOT Time on Target Total Obligation 3 R3 g- G* S4 n; A* O# iAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given & ~' L1 e% O. e5 c4 Q8 Yfiscal year. 3 j1 E# f8 }' VTotal Quality . I% K U; j! `* D2 GManagement , J! ? b8 `0 m$ ]! }(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. # X9 ~& p$ u& Y9 g, z5 [TOTS Target Oriented Tracking System , a: L2 v. m0 @) N9 F% N! |TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or / x5 j* \9 \8 O4 Upossessed by a chemical substance not of biological origin. + `' C+ W- Q* a P8 ITP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ( F6 I( P1 q) XTPBM Terminal Phase Battle Manager. $ v, I! C R/ H7 O' |# A& hTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. ' O( N! |' M' e, LTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. 6 ~% _6 y3 i6 yTPFDDL Time-Phased Force Deployment Data List. ) _2 ^$ f3 g# K3 o% n! xTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. ; |5 @9 ?* K+ Y9 X! f3 [TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target / y/ j' O6 |: y# u `: ]Performance Report. / H$ Z* \+ ~5 a2 e2 R/ a XTPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) A4 ~4 }$ M c7 b9 ATQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and constraints. ; i* F8 \! x, L* `* R' m) Z) I* G(2) The degree to which a relationship can be established between two or 1 J1 B/ E! _* Q& n7 c7 b% k" a- Kmore 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. 4 x9 D( r' h$ ?(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 7 e5 Z& ]" U8 E7 x( ^1 `instrument at a moving target. (5) The actual path of an aircraft above, or a ship on, the surface of the ) h* E8 g% d: k8 @, ]earth. $ J6 F5 J% j8 A7 X4 \0 o! S4 KTrack Assessment 1 ?* T! c+ }$ E! ]The Track Assessment looks for anomalies in an object’s track data. An anomaly 0 {5 ]# g% p& N2 ~1 l: J* Bin the track may indicate a hit. Track, Birth to 9 j2 u# r1 l$ T* i/ iDeath The maintenance of an associated track through all phases of flight (i.e., boost to reentry). Track Correlation The combining of track information for identification purposes, using all available data. B9 y% A7 X9 `% Q% cTrack 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). MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS ; c( e+ R- v `* Dmeasurements with irradiances with confidence of association; or some subset of the above. Track File-Track History A set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. 2 `0 N) q8 f0 VTrack 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 s- ^8 k5 j' @" Rby filtering. Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. Tracking and Pointing - W$ Z& f6 W, U) n) m* S4 ` AOnce a target is detected, it must be followed or “tracked”. When the target is ) N0 \8 I! Y* _8 tsuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. Tracking Range - B3 a) w% j# f(Max) The maximum line of sight distance at which a sensor can maintain track of an : D0 e9 x2 D4 S# [; gobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector 2 D+ j0 d4 S4 c& x" U+ _of an object. The process typically requires observation from a number of ) Y% T" m4 o% T/ b! O8 o7 m) j4 X/ }frames. Track Production Area An area in which tracks are produced by one radar station. * d; s7 y/ f$ S9 r' bTrack 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 ' c6 G) z+ } Lbetween command and control systems or between facilities within the systems. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. ) f$ A4 `7 k4 b1 G: ~TRADEX Target Resolution and Discrimination Experiment. ; h8 ~2 I1 G8 P6 }9 [6 ^ ?4 YTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum % B+ o; _# t \8 ?5 u7 xThe maximum number of objects per unit time which the sensor system can - u& h u4 s) s: b9 ~5 bmaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. 5 f- O6 d. t# e' A% X. b9 eTrain Threat geometry with objects placed in a line (string) along the velocity vector of : z6 Q ^, e( H( R5 y2 D* h& Nreentry. ' Q! q/ n1 H! a- V( Y# jTrajectory The curve described by an object moving through space. - |1 K5 X9 B# Q0 e! mTrajectory , @+ ^: `3 y6 B; X, nHistories Trajectory information on targets recorded over a period of time. . B/ V( I' j1 R+ T' yTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. 7 ^& ~" h0 D* }3 X- c& A$ a8 w& |+ XMDA GLOSSARY, VER. 4.0 T 7 c# R6 V: T3 p" e! f5 e. [0 ?305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. # H# W/ H3 p. K$ TTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 6 O# P7 m$ _3 K# J8 d; O5 ?6 f; h4 [Transition to Production A risk reduction process during which the program shifts (passes) from ; {& y4 m0 j/ r! n* c: k9 o+ D6 pdevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ensure the system is ready for manufacture. (See DoD 4245.7-M.) Transmission 8 S$ F% H- W6 w4 e. ^' ~9 ?$ MSecurity : T. b& A6 D) ?- q4 _! _; ?8 K(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is 4 C k( w y# g/ Kencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. TRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. , H; P. a7 {8 J0 n6 ~) FTraveling Wave 2 ? Q8 ^" G! ~, a w: H* M" s7 }Tube (TWT) " W/ S- `/ h e$ n F8 uAn electronic tube in which a stream of electrons interact continuously or 0 g8 t1 u( L3 l& g# O: mrepeatedly with a guided electromagnetic wave moving substantially in ; G; }0 ]' d" n0 F% I4 B: M! hsynchronism with it, in such a way that there is a net transfer of energy from the # T1 D$ z3 L. ~7 ~stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. ( e! C! S/ e6 O! b" \% P5 KTraverse (1) To turn a weapon to the right or left on its mount. (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 - m- }4 P' }9 |used in determining positions of the points. , _6 {) p, ?! O5 Z8 \' ~0 sTraverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. TRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. ) X: E( V/ P5 ]- K+ [, \# UTRESIM Tactical Receive Equipment Simulator. 9 \' G2 ?6 p% D% m Z2 b$ yMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. M, R {* E* iTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). $ }4 B1 V& J. h$ LTRIM Toxic Reduction Investment and Management. , R. L. E2 ]1 `TRM Technical Reference Model. TRMP Test Resources Management Plan. ' @4 z, E( A& f1 Y. A9 `TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains 1 f& a% ~0 f* v/ [additional (hidden) functions that surreptitiously exploit the legitimate 5 u2 g0 T% ?$ ~3 Nauthorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of 0 L) X# c9 ~+ t6 D" C+ [7 Wabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) / S0 I& J. e) P" |/ J5 L9 pTroposphere The region of the atmosphere, immediately above the earth's surface and up to the tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or 6 c: o. u- s( A; T; pless complete. * o, ^/ d1 W( O* _; U8 oTropospheric ) i. |8 E* P5 e$ [Scatter 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). / Q3 m# ~% Z. i* W8 W! Y(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. 5 Y) N# H. }. T8 |) v5 TTRR Test Readiness Review. Trusted Computer System/Software 2 b6 e B/ V4 C" a. b- y" Z: d% jA system or its software that employs sufficient hardware and software integrity - {( r9 I0 Y; @: \' X- Umeasures to allow its use for processing sensitive or classified information. # k. H4 t2 `/ n% \( e3 g+ ITrusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. " d# U- Q( u/ d7 b6 P+ r8 A$ i0 TTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 - k( `/ V/ M0 j5 ?TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). : C5 }9 `! T7 _9 |- E! YTSD Tactical Surveillance Demonstration. + S$ _2 G; ]& R5 l; a5 _! @0 PTSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. 6 h( W% d- q5 V4 F6 yTSM TRADOC System Manager. , k. _4 b7 F/ \) Q& ETSMA Theater of Strategic Military Action. TSP Target Support Plan. TSPI Time, Space, Position Information. [$ q1 S( ^. j, l% i+ ~TSR Target System Requirements.

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TSRD Target System Requirements Document. " K: C, U* ?! n0 v* A I, GTSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. & ~- y. ~! Q% \4 cTT Total Time. TT&C Telemetry, Tracking and Command. 2 {9 A% G( l& ]7 `6 F& o& _TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. ! M/ ?, ]. V' i) U- y$ C' NTTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. 0 J# l! w/ l0 z, vTTD&D Test Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have significant potential for improving testing. f& u$ O- I1 _. z2 mTTEL Tools and Test Equipment List (ILS term). 3 G1 k5 L' d9 C- I7 QTTL Transistor-to-Transistor Logic. , w9 u5 v8 b% hTTP Tactics, Techniques, and Procedures. ; z3 g0 E |' ~$ ]( {5 tTTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T 308 TTV Technology Test Vehicle. TTY Teletype. 4 T& ?: Z/ W0 f/ M4 P4 x& hTUG TRACE User Group. . b' d) c; J0 g; ^) p5 \; M9 D! {# ITV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. TVE Technology Validation Experiment. 2 j( z0 C* h pTVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. 5 S: C5 e! n( I4 E5 Z) dTW/AA See Tactical Warning/Attack Assessment. 9 k3 ]# ^1 @! u- ^TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. 2 ^% v& T' `& YTWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. 8 i* ]. i. {, a, \4 i' ^, U. sTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). TY Then Year (PPBS term). % j& w, j& U6 n' j9 S; [3 P: ?& ]TY$M Then Year Dollars Millions. + D9 i l. X2 z+ h+ i, [Type 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 requirements of the system as an entity. $ B( R+ ]1 d% {Type B - " M+ n8 @1 E0 ?: RDevelopment Specification States all necessary requirements in terms of performance. Essential physical ' M! i: Y. q1 d! v) Aconstraints are included. Type B specifications state requirements for the 8 X0 P, h& l& i+ _# B8 |- k; ~development of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of those characteristics. 5 k" [* b' u5 @2 T" \Type C - Product ) P1 Z# n4 s9 nSpecification 8 e1 v3 b6 \: n3 x- U; CProduct specifications are applicable to any item below the system level, and ) x+ B' a& }6 zmay be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) 0 q5 c4 y& e0 _; F7 lrequirements. Type C specifications intended to be used for the procurement of items including computer programs. 7 V6 t; N- f2 W% i# K. o# VTyphoon Class of Soviet ballistic missile submarines. 5 N1 k0 u3 p |. ~Typing The act of recognizing objects by measuring a set of observables, computing a z ^+ G6 v# K8 Bset of characteristics, and associating the characteristics with a specific class of objects (i.e., SS-18, SS-24). # W7 N; d+ {- W; y/ N. R9 ^0 X& f7 xMDA GLOSSARY, VER. 4.0 U " @! I$ W$ n6 u' w5 \- Y309 # e* ?) x$ Y% o$ z2 Q. H0 s7 IU Uranium. p& C) I6 k$ G$ r9 A6 @ D6 xU&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. & O7 N# M2 V* @4 Q) [U.S.S.R. Union of Soviet Socialist Republics. S2 _* B8 g8 p' Q1 m6 p3 X" _' qUA User Assessment (NMD BMC3 term). UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. $ x! \+ ?& o, l- AUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. : m: n# d7 Y9 @4 R+ ZUCAP UAV Combat Air Patrol. ; u4 D3 O7 ]4 m- cUCC Uniform Commercial Code (US legal term). ! s/ i2 k+ r& t- E2 vUCP Unified Command Plan. 4 T% V$ n" I; {; d! {3 R# \UD/ASD United Defense/Armaments Systems Division. K8 B$ V: Q3 E2 OUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). $ P) u' [$ g3 d! x9 v' l/ {UDS Universal Documentation System. A standardized comprehensive tool for stating 3 D- Z& `* g% q0 z4 Cand coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the . {- ^4 [8 j, n, QProgram Introduction (PI) (also called the Program Introduction Document (PID)), 4 f0 A1 \9 o- g$ d2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 9 N# H, k# }6 |9 B0 T+ gOperations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. : s: q2 } E) u: e+ fUEME Unified Electro-Magnetic Effects. UEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. 2 W3 I9 L, ^' x, A0 \4 e; DUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. # |, ^+ _0 l3 I0 X& K6 [UFO UHF Follow-On [Satellite Communications System]. 3 ?! d0 ~$ N9 O+ tUFP Unit Flyaway Price. UGF Underground Facility. UGS Unattended Ground Sensors. ( W* q# {0 `. i# g; F$ d8 P% MUGT Under Ground Test. / t' P& R: l6 e6 X M3 uUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. 4 [# Q. L* z4 d6 e- fUKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. " e, z5 r7 b" b& f& x7 OULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. " Q2 }2 m K# ^& g# q4 T% oULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet 5 P4 S1 S4 X4 y6 a, G4 m(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 8 f" |5 K+ J8 g/ L$ J7 A# H7 B' L# YUMD Unit Manning Document. + i1 q+ ]0 g0 t5 b; Q/ Q8 Y0 sUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. 3 {4 T. a* k/ Z2 zUNC United Nations Command. Unconventional ; C) L* V/ U3 s" O% oWarfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare & Z+ K: H0 s% D; V7 b' v. Wincludes, but is not limited to, the interrelated fields of guerrilla warfare, evasion and escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. Unified Action Armed Forces 1 J7 Q" w, U) ?; \( K' M- TA publication setting forth the principles, doctrines, and functions governing the % P* i+ ^7 i7 M8 Zactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary of Defense with the advice and assistance of the Joint Chiefs of Staff. 8 l: D% D( K4 v+ q7 sMDA GLOSSARY, VER. 4.0 U 7 a/ |; |- d8 N- W311 UNISYS UNISYS Corporation. $ y9 W/ n" x! i" hUnited States Army ; |0 g, l. k1 ~Space Command (USARSPACE) 4 D8 Z9 a5 H. ^& m9 P+ FThe Army component command of USSPACECOM. Responsible for the Army * D! I M* H1 x+ h9 X, ^3 q2 `elements of the SDS system. Located in Colorado Springs, CO. 5 N5 [# T8 l; sUnited States ' |3 j& E% [" @" ?& L2 w2 \Space Command (USSPACECOM) $ R0 `1 `, p. [9 g: s+ e# a3 TThe unified command responsible for planning and conducting ballistic missile / k+ j6 a- W# t; T7 O0 |! z% ldefense. Located in Colorado Springs, CO. 0 v8 m1 r" h! Y1 B0 ^2 L2 X: wUnited States Strategic Command (USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic ) I% B; p' j# ^2 Umissile offensive combat strikes. Located at Offutt AFB, NE. ( p, ^/ t) j* [3 OUnited States Transportation Command 5 p- f/ {+ \5 A9 U$ @% |, p. {: ?% b(USTRANSCOM) ! p) s4 w% l" ^9 x( D' Q. kThe DoD unified command responsible for providing air, land, and sea 3 o* d% _% ~2 R2 l) c1 C* ftransportation for the Department of Defense, both in time of peace and time of - \. d5 D2 D4 J, Y9 f$ E/ ~war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as needed 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. ) |! A6 r- b5 q9 P& D; x; N- [Unresolved ; L6 c8 J- u0 KObjects + p6 _3 l' E4 _1 p) f' U/ OObjects so closely spaced with respect to the sensor focal plane as to be ; C( W9 C# z. {- I- O! E& pindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). 3 V6 g; K8 h" U; Q% d* `# |UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. , y" H7 j$ m/ y+ w* CUPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). / Q$ Z; F4 N0 V6 k7 z; J& M' g- qURIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. ' H- w- H5 y) GUSA (1) United States Army. (2) Under Secretary of the Army. T4 @# j5 [ NUSAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. 0 R% x- E" c; |; I& MMDA GLOSSARY, VER. 4.0 U 312 B) G- l2 t5 [: z1 B) h& cUSACE United States Army Corps of Engineers. & q3 w' I" T1 T# `/ k5 ~2 f! mUSACOM United States Atlantic Command, Norfolk, VA. % u1 ^1 m- Z$ i' U3 GUSAF 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 ' l7 D, O% ?4 i/ LSystems Command /SSD. & `- Z" ]1 G2 s8 ?+ I- C$ jUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 8 \( s& F9 m6 o/ k6 TUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. 0 ~5 R" b5 e- g6 S" O5 R3 k" kUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. ) N( l7 U' @) _/ fUSAFE U.S. Air Forces in Europe. USAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. 5 A& {/ E, r( |3 |9 Z9 O* vUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. $ f4 K6 N/ G& q8 y' fUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 3 v1 K; Q5 f& O: MUSAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. 8 q8 V4 u7 y$ o5 S- UUSAREUR U.S. Army Forces, U.S. European Command. & P& B& V6 }& z. f dUSARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. * M; n7 I9 h9 T9 |* t/ o$ mUSARSPACE See United States Army Space Command. & \7 y- A+ D4 N, l2 p9 ZUSASDC U.S. Army Strategic Defense Command (<1Oct 92). + q) }( R+ @8 GUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. 0 B/ Z9 Z- J# Z9 P" G$ t+ \USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. 8 C0 _( w, X% e KUSC U.S. Code. L6 L0 y+ v: R& ~! l7 Y# CUSCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 + s1 H2 P6 O# {USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. & |) D$ B# h0 Y+ f0 o* |USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 6 L( |+ u: E' |/ ]5 jUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. % r. h2 {7 W7 VUSCINCPAC Commander-in-Chief, U.S. Pacific Command. 8 h* c) V# S) ]$ }) eUSCINCSPACE Commander-in-Chief, U.S. Space Command. % {# ~7 r3 R: n Q# V8 X- z/ ?* t2 wUSCINCTRANS Commander in Chief, U.S. Transportation Command. . ~( p* X, W2 {( j, KUSCS U.S. Customs Services. USD Under Secretary of Defense. & ^8 `' g0 o% ^' h4 N- RUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. USD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. 0 Y9 S$ | d& p+ k( ~+ M; h1 } aUSDELMC U.S. Delegation to the NATO Military Committee. * @8 I: r# d C5 J- J; TUSDR&E Under Secretary of Defense for Research and Engineering. p' v& f( b3 V2 A EUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine ) x c& W$ z! L9 N9 @7 o8 ?; `(hardware) or program (software) that is compatible with a person's ability to ) `# `4 K- s* O2 R" aoperate it successfully and easily. User Operational ! C# h* |, r( PEvaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and training for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the normal acquisition cycle. ( ~% H! H* j4 r& z$ m# FUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. 6 U! H, q6 k' J, i# }USFJ U.S. Forces Japan. ) k* t0 R" X* n3 `4 m; ~3 A# k( FUSFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. 6 M) k: E, [$ n/ n* O7 |$ o; JUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. , W, L& k3 i3 q+ t5 L5 kUSMAR- FORCENT U.S. Marine Component, U.S. Central Command. USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. , Y8 F! Y6 ?$ x+ n4 v. uUSMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. $ g( i8 v5 [: h) L% i7 fUSN United States Navy. 9 n( V5 K: X% h0 oUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. USNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. 5 M4 I0 k; v9 p1 _# b1 y( gUSNPGS U.S. Naval Post-Graduate School. 1 J1 v+ p/ F' u" \USPACAF U.S. Air Forces, U.S. Pacific Command. ! v' ?9 Q1 ^. M- ]5 hUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. - c. {$ r L9 B7 Z9 e( b$ tUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. + l7 B$ n* r" ]USSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. 7 N; x b+ t, P/ P" QUSTRANSCOM See United States Transportation Command. UT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U $ F0 v" z+ d; D4 }8 P" f315 F2 o- W* y# F" nUTM Universal Transverse Mercator. UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. U. g4 I7 D. | ZUUT Unit Under Test (ILS term). UV Ultraviolet. UV Electro- ?+ L: v$ ^% jOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). # j8 j) ~! O) M# [! g5 \UVPI Ultraviolet Plume Instrument. 3 U0 v, `# B! I: J3 o8 A4 h4 cUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 4 G% t6 I1 \# j7 q9 x316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. % u8 {+ Q% C. u, d3 b% DVAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real 0 p$ A7 h" D- a6 g/ l3 Q' Wworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. % q8 _$ Q% z4 T& ]% w9 ^# {VAR Visitor Access Request. ( F% Z5 @0 U- ^% PVariability 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 M" u8 w. V: Jfactor introduced to average the effects of orientation, minor shielding, and + F/ A8 G0 t' @) R+ n1 Yuncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). , N, X$ t! G& ]. ]) s' NVCC Voice Communications Circuit. " m$ D/ `) A* n7 L8 hVCRM Verification Cross Reference Matrix. " [$ n2 p% z# y3 F/ n" j' EVCS Voice Communications System. VDC Volts Direct Current. d5 J" ^- o, I" _6 D1 |" s l8 NVDD Version Description Document. VDU Visual Display Unit. 2 ^$ j$ b! O$ E! e5 mVE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering ( x. w* f- w' l8 X' @representations of a T&E resource accurately portray the characteristics, : L+ P8 c0 d: q% L& | @* tcalculations, logic, and interactions of the system under evaluation. * K5 o- t) [, D% q, i* \2 \" R(2) The process of evaluating a system or component during or at the end 9 b' _ _' P- p; x" P( `of the development process to determine whether it satisfies specified / `5 |% m+ E4 ^ w1 q8 {requirements. VESA Video Electronics Standards Association. : u* U0 w( ?8 i! z9 N* o* G2 ?9 uVFR Visual Flight Rules. / R4 i" Y5 \7 o% J! SVGA Video Graphics Array (Telecomm/Computer term). 2 s9 u! Z, m' ?6 p- q! ]7 yVHF Very High Frequency. # k1 y* \2 k7 ?5 |1 kVHSIC Very High Speed Integrated Circuit. MDA GLOSSARY, VER. 4.0 V 0 S* {5 e1 f/ r3 s1 N7 O; T317 VIDS Vehicle Integrated Defense Software (USA term). , e+ y7 ]; h! ]( B$ }/ [VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 5 N6 H8 A& K2 T! c! tOperation Per Second (OPS), using a mixture of experimental three-dimensional 0 R7 H3 I. B1 ?circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR , a9 h; T2 @: K$ z" Y1 N) zcameras capable of tracking targets that can be detected, identified, and 8 u4 b9 l6 W4 h& G6 X) Bprecision-tracked with the ANTE processor. 2 `! n; M1 T0 a5 @% K7 kVIM Vibration Isolation Module. 8 \" s% H- o: \* t* M4 e& v( C" rVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. - r! C: h7 I, b! k" @VIS/UV Visible/Ultraviolet. i @# p7 R F0 C0 Y" G7 aVisibility Range (or Visibility) The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon’s sky in daylight. The visibility is related to the 5 W, l1 o" @3 {, ~4 {! \clarity of the atmosphere ranging from 170 miles (280 kilometers) for an 3 R. G" z7 F; U f) {exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze ' _) u& C! A- g# y+ J: v0 G) yor fog. The visibility on an average clear day is taken to be 12 miles (19 kilometers). ' @+ N, t5 R5 F0 z4 rVisible Electro- Optics Technologies/techniques employed by optical sensors in the visible portion of 6 W0 y: d+ x1 `3 g* Rthe wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). + w4 J* ?- q5 Q; IVLF Very Low Frequency. : L' n2 s" [( A4 o4 EVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. . N: I) `% [/ C; CVLSIC VLSI Circuits. 9 a5 ?* Z) J; D$ g4 v0 v) eVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). 0 g5 \' g2 _6 f* P8 PVOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. % N- X, U! S8 T5 W3 |VTOL Vertical Takeoff and Landing [aircraft]. " o, O% ~; q7 U$ w! S9 w" |0 yVTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. . E% ^) ]. d2 [/ x ZVUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V : x; S+ h# ^; f% c. o6 R5 t318 Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. 2 ]! q* M/ ?' F D. WVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. - X6 G& l1 z: C% QMDA GLOSSARY, VER. 4.0 W 319 4 g/ @0 G2 q& n2 Z, V3 t- `" UW/ With. - G# q$ l" r# Z- g; @+ R6 yw/o Without. ' l1 g5 C: x0 b% ^! DW/TD Warning/Threat Detection. 9 s: M: g9 `1 D7 @& R4 PWAA Wide Aperture Array. WALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area + O6 [* D* ~0 j% QMunition. (3) Wide Area Mine. (4) Wide Area Missile. 3 o- j0 q; W/ d$ t& x4 ~% FWAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. 1 {$ ^- w1 x4 J/ N K$ [; A0 NWar Game A simulation, by whatever means, of a military operation involving two or more ! |" b( o$ W' B4 T+ `opposing forces, using rules, data, and procedures designed to depict an actual . F# c J: F0 o9 t& \* R0 }or assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and assessments. - i- N/ L8 F$ v3 |4 @Warhead A weapon, usually thermonuclear, contained as the payload of a missile. Warhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, airframe, motor, or guidance section. ) ^) l9 w& o9 aWarhead Section A completely assembled warhead including appropriate skin sections and related components. % F2 Y# e- i. Q2 {: R; M* O3 VWARM Wartime Reserve Modes. ' F0 ?, z5 f$ I; y9 rWarning of Attack A warning to national policymakers that an adversary is not only preparing its " Y& P& w) `/ Q' m4 varmed forces for war, but intends to launch an attack in the near future. " [ u' Q- a6 g$ l4 u: }0 |Warning Order A preliminary notice of an order or action that is to follow. 9 J/ ^, b( E! C, I% q3 S( _& |WARSIM Warfighter Simulation (US Army term). & ]- C# g Q8 JWARSIM 2000 Warfighter Simulation 2000 (US Army term). 2 w, D, C4 V0 l% n& N. BWartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing $ S- x6 P. I3 F9 F" Fcommanders before they are used, but (2) could be exploited or neutralized if known in advance. Wartime reserve modes are deliberately held in reserve for & r# r0 q# X z3 }0 K# M& ywartime or emergency use and seldom, if ever, applied or intercepted prior to 7 u: H. u( n$ z f! C! D Ssuch use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. + W1 V! N8 X! G" aMDA GLOSSARY, VER. 4.0 W 320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. d6 r' p% E0 W3 x# `; AWatch Condition (WATCHCON) & J6 E a6 w, I0 y; sSeries of readiness conditions used by the intelligence community to alert staffs to 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. WB Wideband. WBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. , i Y0 G3 }3 V2 A AWCG Workstation Computer Graphics (Computer term). 7 J0 ]" K7 c* m" _; N$ r7 MWCP (1) Weapon Control Processor. (2) Weapon Control Platform. 5 R2 n: h, _) o& PWCS Weapons Control System. 1 X! u+ W& P( {9 u- J8 oWDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.