航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T : ~& O$ s+ C- y298 Theater Missile Defense Council $ t$ S7 Q0 ^; S- |( d, F. l& a(TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High Altitude Area Defense System / z6 z7 N: e5 B# e# K(THAAD) ; ~4 ~7 B! v( n! \4 o# bA ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at 7 y) b+ i' L6 u- igreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile (TM) + [- J: [' h% D, W' J! h2 mA 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. ' A2 R+ p9 s8 U, LTheater Missile ' s, B* y- R0 C4 V/ _) B& TDefense (TMD) % A z: i$ T7 ?# o' h$ A5 }; cOBSOLETE. The strategies and tactics employed to defend a geographical area outside the continental United States against attack from short-range, ) S4 }* d5 N' ointermediate-range, or medium-range ballistic missiles. 3 X7 O6 n+ s: }Theater Missile 9 U: _' `6 c, l( K' qDefense Ground- 4 Q. W% j6 ^$ W8 a' {Based Radar * |9 `* ?% Z( V(TMD-GBR) 2 U8 }" Y( t0 K! NA ground-based, air transportable sensor that provides search, tracking and / o. I* I6 z3 z9 Udiscrimination capabilities for the THAAD interceptor system. Also referred to as . u' j/ B2 Z% e0 O% @0 b: ^THAAD Radar. Theater Missile & U: q: [& j0 h( t% d1 tDefense Initiative (TMDI) 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 0 b! [: z' h( z/ Y0 m6 V0 b3 r(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 thermal energy received per unit area at a specified distance is generally # B/ |8 T7 R, K6 |; \expressed in terms of calories per square centimeter. 9 c& N+ l# s, C% x. YThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or reflected from the objects, which are imaged. 3 b" c) r8 [ p' K8 cThermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. Thermal Radiation 7 p' U# @* t, sElectromagnetic radiation emitted (in two pulses from a nuclear air burst) from the # c1 O. _7 d/ {* J$ o/ Dfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high 1 ~8 R. I. F' Z0 H- \0 @6 vtemperature; it also is referred to as the primary thermal radiation. It is the ) Q- Y5 s# G" X5 ~4 {' t. U# fabsorption of this radiation by the ambient medium, accompanied by an increase * e& [" Z5 w, F! xin temperature, which results in the formation of the fireball (or other heated 9 x7 ` X# D$ r9 uregion) which then emits thermal radiation. (See X-Rays.) 0 Z7 {1 R- S# K0 ?* T8 `MDA GLOSSARY, VER. 4.0 T 7 D4 o, e" g: J4 ~9 y. e! c' A299 Thermosphere 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 " v& `& Y) x5 \8 A) y4 N9 p2 t% ]at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the 1 [6 o1 t* M8 Nexosphere and most or all of the ionosphere. 9 c) {" O/ C5 ^/ h1 w- ~3 f$ QThreat 7 v2 h5 T! ]$ k+ j# Y& [Characterization An assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor ) c' _8 S2 B% |# o1 [* o! q5 w: X& @(Threat Tube) A tube containing all the objects originating from launch sites and aimed at 4 G% l( Z% M# ^: qtargets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management " _/ Y x5 R0 }/ x3 b+ icomputation. 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. + ~: L1 I z+ f2 D9 V* h- ?Threshold Performance capability or characteristic level in terms of a minimum acceptable value (threshold) required to satisfy the mission need and a performance objective. ) e- C9 V1 I2 L/ f+ c# }Threshold $ h9 e8 c. Q/ c. ^/ v' T: eDefense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. 3 k& I* L$ r9 b+ A6 [6 qThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. Thrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to , E( S5 u$ ^; X, n- ?% gchange the decoy’s optical signature to resemble that of an RV in the reentry 6 y9 C: F6 Y( X" gphase. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. 4 g; g$ f+ ?9 f. V. c% a" NTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. ( W* }' ]7 x, V Q(3) Theater Intelligence Broadcast System. 4 i; D/ K) \- C+ x% x) L, B5 ^TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. * e& o" L- u( w9 Y$ V& U, u3 FTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. Tier An integrated set of SDS elements that address a particular phase of the threat (e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. 3 m8 |+ ` m9 }, ETIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. `1 s! j# N/ Z: sTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. 6 N) q* _5 n9 g* d3 p9 H7 I) vMDA GLOSSARY, VER. 4.0 T # \ V2 }5 c% \% `300 Time-Phased Force and ' Q4 F) C( `1 N. `Deployment List 9 Z$ n+ b7 F; L7 Y3 M! Y- BAppendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of 9 e. V, G5 \: d; N) \1 r5 n4 bdebarkation or ocean area. Time of Flight ; D. H% B) S' J( r0 i5 j) O(Max) The maximum time for a booster or vehicle to perform its function from time of launch. Time on Station The time the sensor is in its operating position. ( @4 e P1 ]/ y( v/ MTime Sensitive 9 U" P D( d1 a& w( PTargets # ~$ B9 t( m. L, ]0 I. \Those target requiring immediate response because they pose (or will soon 5 I) y. T# K' y7 ypose) a clear and present danger to friendly forces or are highly lucrative, ) ]: G7 ~* Y3 X& }4 O) Lfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. TIMS Training Integration Management System (USAF term). % u% b _% N( NTIN Theater Intelligence Networks. TIP TOPAZ International Program. 0 r& i6 B- Q [- [& V" |TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar 3 y4 B& q- e% e$ A+ yTerminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. , x M9 l# B' D. d; O+ ~: x6 QTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. 2 P; g: Z3 @! f3 \. J2 kTLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. 6 v6 N8 ], o9 Z" o7 i& d& c2 m; B" C7 \TLX Teletype. - I9 M7 x- F( O# \) h% v! z6 RTM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. % I# h# g5 X9 T+ lTMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 TMD C : ^& X7 U6 `1 l( t# S3 I Those assets that provide connectivity between and among Theater Ballistic : q* Y6 G" }. r4 Y5 f. D3 PMissile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 2 D% ~. l; @0 o, |5 {& [ _* hTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. 1 [; R+ h' b, V0 c {& HTMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. % }: F0 x2 B$ wTMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). # f. _3 H% m5 g& ^& s" g/ BTMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. & O; U& ^* i- C% |TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). 3 ^5 e3 C# m7 i7 |TMPCU Tomahawk Theater Mission Planning Center Upgrade. TN (1) Terrestrial Network (C2E term). (2) Thermonuclear. / U u3 F. s/ U, f) Y! uTNF Theater Nuclear Forces [Treaty term]. / w9 V6 `+ p3 D/ s9 s% wTNT Trinitrotoluene. ! {9 q, Q7 r+ r' u6 lTNW Theater Nuclear Weapon. / R( I+ X# Y* M3 S4 ]- l. FTO (1) Task Order. (2) Technical Order. TOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. * a! t! Z3 W7 m( A5 ~9 PTOI Track of Interest. : a, \9 o! ]4 VTOIA Task Order Impact Analysis. + i0 G/ z2 n- S3 WTolerance The ability of a system to provide continuity of operation under various abnormal * Q6 |1 R6 ]6 Y' a2 |6 h& P. oconditions. 6 F7 T0 H i: ]$ N2 ^TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. # m3 a2 ?6 G K" `3 PMDA GLOSSARY, VER. 4.0 T ( I2 g* v) [$ d. j/ I302 TOMD Task Radar Management Details. TOMP Task Order Management Plan. TOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. ' G; J) a9 @! C( |% ~TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a ( d& T! k o' ~1 S8 G) shierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. 3 \! K; [# o4 t' d1 u0 aTop-Down # x8 {# e% D( _Design ; i4 @; k/ Y4 t' X' n0 M3 K$ N6 DThe process of designing a system by identifying its major components, ' \' V2 C8 q! V0 U5 y, {( sdecomposing them into their lower level components, and iterating until the ' c! W% z5 ?4 m7 o1 w" xdesired level of detail is achieved. Top-Down ) N9 i* w5 A: ?- e' l# U5 e! wTesting The process of checking out hierarchically organized programs, progressively, j+ Y6 D& m6 M Afrom top to bottom, using simulation of lower level components. 6 Y6 ^6 r0 }2 kTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. , g, B! w- I0 g$ W) HTOR Terms of Reference. 1 l2 t) n y! ]2 q: B6 i7 ~6 s" FTOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. # O g+ k* _6 B3 ^* dTOT Time on Target Total Obligation . w. ~9 J* @" H6 JAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. Total Quality Management [9 P' n9 D, R. f(TQM) A management philosophy committed to a focus on continuous improvement to product and services with the involvement of the entire workforce. % ^9 X" M! G4 b4 B$ C5 kTOTS Target Oriented Tracking System ) @$ E1 A1 t7 R- {5 x2 m' i, }TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or possessed by a chemical substance not of biological origin. + f& M u' E: U8 k: f4 C' J CTP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. . l8 K N' B1 b8 J6 hTPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). G8 i' t% A" S" v: f9 lMDA GLOSSARY, VER. 4.0 T ) U+ U) [& G& i4 l303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. ; j" _. k* G2 X" p6 E- |& y4 MTPM Technical Performance Measurement. - i3 o8 ]& T0 P/ ]TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office : s1 `5 c" h0 F9 \% Z6 rTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target $ G8 c9 v5 D0 J6 |* Z: Z$ M; rPerformance Report. * U! g0 y \1 q5 O; e3 c0 p0 iTPS Thermal Protection System. % w' ]! l. e. I; |' g: n$ pTPT Theater Planning Tool. 0 j; T3 a0 c5 o8 Z4 G$ k6 fTPWG Test Planning Working Group. (U.S. Air Force) + x. Q9 ]0 P' X. HTQM 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 ! r/ n0 m8 T7 h: c- M2 hconstraints. + _. _! l- @; D(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 3 V. K; r3 I8 b/ u( R1 P- r(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 & L6 O' e9 b- o* u3 cearth. Track Assessment The Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. * n ~2 c8 l1 D ~$ k- S. y# C. [Track, Birth to & n" e4 h+ ~" I6 S e% N8 e8 Z- VDeath , {+ o' \4 ]' r' h0 F0 V3 AThe 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. Track Extension This term usually applies to improvements in track estimates by use of new data. 2 K" W4 z. k6 l. k* BIt is sometimes used to describe a process of target extrapolation to a future time 7 s5 \0 z1 B! t1 Z: d* i0 Vor place (e.g., reentry). % S1 `" t) u% v7 LMDA GLOSSARY, VER. 4.0 T 304 1 x3 E: Z0 H4 |4 h+ U0 {Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of the above. Track File-Track History 3 j, A5 C, I% L- o& _' `$ \6 YA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. Track Formation The process of determining the track or tracks of detected objects. It is usually a three-step process of data association, track initialization, and track improvement by filtering. ; Z9 m* f, M; S F$ M4 b) k3 g! ETracking The act of generating and maintaining a time history of an object's position and 7 {" Y1 ]8 B$ L: G c3 ^6 pany other features of interest. * Q. ^6 d6 @- j& XTracking and Pointing : e& N; Q) q( ~. h; J+ L( Q5 r9 NOnce a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing : t2 t4 X9 J8 H" ^are frequently integrated operations. # ]& j! {9 d. m/ U, TTracking Range / E# }& q3 {" |! o3 U, q# W6 ?, T(Max) % X" ?+ J) D8 e! B+ bThe maximum line of sight distance at which a sensor can maintain track of an ) s p8 H; ~' l6 W) aobject. z% K9 S5 T H( W/ w* WTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector # \ v5 I- L6 yof an object. The process typically requires observation from a number of * z) ^% y+ I: d; I1 \% v! Eframes. - A6 t. c) c6 vTrack Production 4 p8 M% m- v$ j( m" [ x1 D% l. @Area An area in which tracks are produced by one radar station. # i/ { i! `4 K/ I7 \# h9 HTrack Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. " ~& g- p7 K7 q7 yTelling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. TRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. Traffic Capability Maximum The maximum number of objects per unit time which the sensor system can maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of 1 M; ]8 o# Z" m4 V2 F( ?reentry. Trajectory The curve described by an object moving through space. . r3 T! q8 @- G& X# XTrajectory 7 p# `7 q( b- ?' lHistories Trajectory 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. 0 _, u5 F: i* R3 [+ ?( S5 hMDA GLOSSARY, VER. 4.0 T 305 " y8 H# M+ Q9 ~$ ]TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. & I" }/ M+ ?8 G! B2 r. |) d3 GTRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to V" E1 _- u+ P* eProduction ) a* S7 M/ E7 U" q. H5 T. nA risk reduction process during which the program shifts (passes) from ; R5 ~ d* x- p" \# ydevelopment to production. It is not an exact point, but is described as a process consisting of disciplined engineering and logistics management to ; [) K; d, g8 c/ a2 Hensure the system is ready for manufacture. (See DoD 4245.7-M.) : S9 Z$ |- m1 ?$ V, ^5 j) iTransmission 0 m0 j4 V: Q* @9 Z/ P, B8 YSecurity , t% U& g* ~$ P* y$ ^" U(TRANSEC) That component of security, which results from all measures, designed to protect " ]9 A; L7 h0 [) o8 B. l( Scommunications transmissions from interception and traffic analysis. (See ; A0 E+ k" Q$ c" {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 encountered 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 . t+ L5 N5 N% x9 o7 ^$ P4 ~! Fmechanisms to be circumvented. Traveling Wave % u& `: F' r2 e' [% X! N JTube (TWT) An electronic tube in which a stream of electrons interact continuously or . E( C1 a1 S% ]5 y" D nrepeatedly with a guided electromagnetic wave moving substantially in / Z0 R6 e3 [- vsynchronism with it, in such a way that there is a net transfer of energy from the - b4 L' D8 y0 ?3 w* u$ m, n+ ~2 gstream to the wave; the tube is used as an amplifier or oscillator at frequencies in , z; s8 U$ a. P0 @1 _the microwave region. 1 Y9 m: \: I8 ~+ G% A; BTraverse (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 used in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both 3 i3 R7 ?* Z9 m0 Zas 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. 5 F* c- \: @# h6 ]- [. [( \TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. 8 V4 [0 i6 w! nMDA GLOSSARY, VER. 4.0 T ! ]9 ~9 @4 F- k- z306 % U( n% Q2 i) W/ K* O1 hTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. TRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). TRIDENT II (D-5) US SLBM (USN term). ' }% u1 Z! ^4 ITRIM Toxic Reduction Investment and Management. $ S; C7 \ [+ h5 FTRM Technical Reference Model. TRMP Test Resources Management Plan. ) f9 S9 U4 [( `# s6 E' F# ~TRN (1) Task Requirements Notice. (2) Test Requirements Notification. ( Y4 |4 f) |5 C- ^4 u7 FTrojan Horse A computer program with an apparently or actually useful function that contains $ M& U% x M9 Y: zadditional (hidden) functions that surreptitiously exploit the legitimate s8 r: @; A3 v% f$ v* ~$ m$ [authorizations of the invoking process to the detriment of security or mission performance. : o0 ~4 ^# C3 Y# l* p. U+ V$ ITROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the # T" {0 z4 s2 I5 O2 H+ C8 xatmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the $ K5 @. U9 c6 Z _tropics. (See Stratosphere, Troposphere.) $ ?* h1 D8 u* B* i0 v8 eTroposphere 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 less complete. Tropospheric A3 ^4 z. L6 l3 fScatter 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. ( I$ B8 V; `( \8 Y$ ?(3) Technology Readiness Program (pre-acquisition program status). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. 3 w% W" I" H8 s; a, a9 MTrusted Computer 3 {+ z; B, O% F% Q/ K) ]* t- ASystem/Software - l+ @) g; j; J- \6 ?$ OA system or its software that employs sufficient hardware and software integrity & x& F: ?0 O- }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 * c T9 u B- W* j9 h$ zTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. 4 e$ |1 |; y& X. \5 c5 p2 x- MTRW TRW, Inc. / ], h3 f% v# g4 v# Z1 ]6 ZTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T % N3 H9 V. G2 l# _307 5 v! a2 S) ]& ]( l4 g( f6 bTSA Technology Security Analysis. ; \# i7 m" n9 y5 v2 gTSD Tactical Surveillance Demonstration. 2 b8 l$ W. E0 B$ D9 w9 pTSCM Tomahawk Strike Coordination Module (USN term). U& C G2 x+ x' j9 I; k! MTSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. TsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. + k) z: M- R9 HTSP Target Support Plan. " \4 Z" N. {! I. L9 t- xTSPI Time, Space, Position Information. . \; `" z, Z4 z- [5 sTSR Target System Requirements.

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TSRD Target System Requirements Document. - W; p2 r: ^! h- m; WTSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. 1 U0 f2 R( j' P2 \5 V0 a b' S dTT&C Telemetry, Tracking and Command. + z d1 p' Y7 T1 w2 y( |TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. 2 x3 i0 S/ N: I. B fTTD&D Test Technology Development and Demonstration. A portion of the CTEIP 1 i$ A2 s5 r% o8 lprogram, which funds the development and demonstration of technologies, . |- {* N- K% j7 }4 t7 e Dwhich have significant potential for improving testing. 9 ~4 e! |# H i' w- `4 c8 BTTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. 0 j3 c! b1 L& P+ |' T* b; l) O, B' GTTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. MDA GLOSSARY, VER. 4.0 T ; Y+ p4 w. j8 C% p308 TTV Technology Test Vehicle. + ^0 z# p3 P4 d, M; aTTY Teletype. 8 b: c% y O/ s) S! ]3 C3 T, [TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. 9 R! I% k @, m4 T" {/ }1 T `4 U2 P, TTVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. 7 Y% x1 r+ t" O; D4 z- ^TW Tactical Warning. 7 G0 P# N) O& R, S! G5 F0 oTW/AA See Tactical Warning/Attack Assessment. 3 @9 t' h# p2 J9 t7 ETW/SD Tactical Warning and Space Defense. TWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). - u) s* ]1 E- Y; F- \9 HTWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). & d5 G/ h( c# ~) rTY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System 7 o) D9 _1 Y# M+ q, m* @Specification ! z- G1 ]" S+ S# PStates all necessary requirements in terms of performance, including test + T- F+ X T, h. a' [- _! F( K( \% Dprovisions to assure that all requirements are achieved. Essential physical " m+ H9 |# v2 Aconstraints are included. Type A specifications state the technical and mission requirements of the system as an entity. : X; G6 f/ d, R, c* J: UType B - Development # y# L4 C Y; Z2 O7 N0 `& d$ nSpecification States all necessary requirements in terms of performance. Essential physical 1 ^. f' p8 l$ Z8 d" A; }constraints are included. Type B specifications state requirements for the ( {4 e1 n( \, p' x- I6 @3 Gdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of $ C* }- H& `5 N+ Bthose characteristics. Type C - Product . }8 v, _ w0 `7 ]; A! HSpecification Product specifications are applicable to any item below the system level, and ; _4 k1 B) ?0 C E3 omay be oriented toward procurement of a product through specification of ) U9 s1 X/ w1 R2 e; y4 H5 V: Jprimarily function (performance) requirements or fabrication (detailed design) 0 _6 B% l! d; `) q# prequirements. Type C specifications intended to be used for the procurement of ' S6 z3 u, u, ~ m/ Litems including computer programs. : n$ V* K) u5 D7 X7 r* l( n2 JTyphoon 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 309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). & O. H, L9 e8 e& J: i$ Y" aU.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. 0 E; \8 Y# r+ \+ C e3 JUA User Assessment (NMD BMC3 term). ) f( A/ {" V9 ]7 n; ]UAE United Arab Emirates. ( v7 U% e$ E' ~) m- g: YUAV Unmanned Aerial Vehicle. |, l# I* F; G7 e2 Q+ ]' vUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. ! i% ?! t2 ?2 r% y" ZUCAP 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). . ]. L; |6 n1 M; `% E, K8 FUDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It 8 J9 u- s7 A0 E$ ]) ^. t' w1 Q7 y0 a0 pconsists of a series of six planning and execution documents: 10 are the Program Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 8 S) ?, D( M8 X' LOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the , M. h5 i" `' [6 xRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. . b5 P0 K7 R& HUEWR Upgrade Early Warning Radar. ! c$ Q. _' e5 |! ~+ i! S+ g, iUF4 Uranium tetra fluoride. % L( i( b5 X; R$ E& D+ `4 J& yUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 310 / D8 u4 i" L1 ?, CUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. ! j% M; J( F6 j. R; TUGF Underground Facility. 4 r: u( Z c. F: f3 |6 R1 ^* j( oUGS Unattended Ground Sensors. 5 l5 t* d4 E1 [1 m' r2 n- DUGT Under Ground Test. ( b: o" ?9 n( L2 ~5 h0 a3 GUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. 0 T) b3 t; g2 D( {3 [UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. 0 k4 H; |1 w5 i7 KUKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). 6 ~2 }2 e8 q9 y% T+ E vULS Unit Level Switch. ) x8 ?: i. n9 z, q5 J9 s! oULSA Ultra Low Sidebobe Antenna. % i0 R& m q1 d# y @5 u- d4 d$ QULTDS Unit Level Tactical Data Switch (SINCGARS term). % O6 [0 u: V7 ` T+ W! ^: gUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). UMD Unit Manning Document. 5 J/ p* L( \2 ` P4 pUMMIPS Uniform Material Movement and Issue Priority System (ILS term). - V& w9 D8 |8 E3 j2 }UNAAF Unified Action Armed Forces. / w3 w* m4 c$ l& P0 e. i( H& U- yUNC United Nations Command. 9 y5 A- \ a. X; ^3 aUnconventional 4 u0 ?; k y0 q, XWarfare " d# _! j* P5 p: D$ W J* C+ tA broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare F5 U8 @8 E+ ^includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion . P a+ @2 O" N7 Nand escape, subversion, sabotage, and other operations of a low visibility, ) }' V& D1 S; F5 z1 e/ M- \covert, or clandestine nature. j9 b( D, p7 o0 d5 mUnified Action Armed Forces ' x6 p6 ?$ C9 f' |& YA publication setting forth the principles, doctrines, and functions governing the / [; m: d* D. G- O! Aactivities and performance of the Armed Forces of the United States when two or ( @! O- Z6 l# d" o" L- Mmore Services or elements thereof are acting together. Unified Command A command with a broad continuing mission under a single commander and 8 S- X) D$ a5 a8 rcomposed of significant assigned components of two or more Services, and which is established and so designated by the President, through the Secretary , Y( h& a/ x6 S! C- K* {( ]of Defense with the advice and assistance of the Joint Chiefs of Staff. 1 p7 W% L4 R* y; V7 Y6 A2 t/ DMDA GLOSSARY, VER. 4.0 U 311 5 v0 @1 b" V- g" GUNISYS UNISYS Corporation. 9 n$ ]# y7 R$ v' `$ z* w( WUnited States ( d/ S6 \7 E' v* XArmy Space Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. 2 ]! z; S$ Q( @9 {+ SUnited States : v# X4 [2 e- Q& }: dSpace Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile defense. Located in Colorado Springs, CO. 4 q( k& S5 ~" V# hUnited 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 missile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation Command (USTRANSCOM) ( p# Q: p9 ^- D# `8 l+ H; a2 E0 wThe DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of war. It is also responsible for providing airlift, sealift, surface transport, and 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. , T# _2 u. g9 c7 p3 o# ]Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be k" s# o b8 P6 M5 `# Gindistinguishable from a single object. UNSC United Nations Security Council. ( o. |' Z' B1 u1 d6 F& mUnSecEnergy Under Secretary of Energy. , g: }" f- M2 o; c \: zUOC Usable on Code (ILS term). # ?( J8 {( Z4 G6 R- v4 gUOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). ' X6 `! {) [7 q1 @; x tURIP University Research Initiative Support Program. 5 \. Y3 N% a3 c; ]URL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. - F& x m1 L# `) R8 u7 B8 O1 f2 I4 |! q9 A. \US/UK United States/United Kingdom. # U# B! U" O% |- n4 n+ u6 j; S1 d' U1 EUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. / }7 P8 k' R1 {' ] X1 p7 |USAAE U.S. Army Acquisition Executive. " I# M# `# q; e @/ T ?MDA GLOSSARY, VER. 4.0 U 312 " w% G" v7 z5 p7 o, J& TUSACE United States Army Corps of Engineers. $ A3 N" E$ K3 ZUSACOM 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. T/ x3 I1 y: y% Q& l% Z! L5 A& IUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. USAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 0 w, P4 h. l* Q4 ]7 z+ `9 [# _USAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. ) |4 Z0 {" \/ B0 @USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. 4 ]. G9 M @0 r7 Q! @- Y& zUSAFE U.S. Air Forces in Europe. - h& y& `+ Z" `( N- A, g5 HUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. / I. [/ m$ G' ZUSAMSIC See MSIC. 9 Q& V E" M# m5 M' X5 S" NUSAMSAA U.S. Army Materiel Systems Analysis Activity. USAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. USARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. + n) @8 ?3 p( ?+ ^USARLANT U.S. Army Forces, U.S. Atlantic Command. ; Q5 M7 X- ]0 F$ h+ i5 r' G- w ZUSARPAC U.S. Army Forces, U.S. Pacific Command. 5 d: g$ T, {8 wUSARSPACE See United States Army Space Command. / m' p. T, b$ m6 T, c& o% b; CUSASDC U.S. Army Strategic Defense Command (<1Oct 92). 4 r- E# ^) I) I" |1 wUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. * P3 N$ {. i; ]3 s) T/ YUSATRADOC U.S. Army Training and Doctrine Command. ) J( K( o6 k+ L' l ]USB Upgraded SBD. # M0 G/ f, x! L, `USC U.S. Code. # k3 h/ d1 S) `USCENTAF U.S. Central Command Air Forces. - T% S5 h$ H' G' y5 _MDA GLOSSARY, VER. 4.0 U 313 USCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. 5 K6 f5 d3 s( C1 S5 v8 P: xUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 1 S) d0 a& E1 t- ZUSCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. + w# ]( o4 e" eUSCINCTRANS Commander in Chief, U.S. Transportation Command. 6 W) v/ k" w$ B9 A% f! a6 F; d& @; OUSCS U.S. Customs Services. USD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. / s; U. R& }. @) x n4 R$ W0 f% mUSD(P) Under Secretary of Defense for Policy. 7 h: m$ }0 |- P# w2 [( E. L0 W) xUSDA United States Department of Agriculture. ! L8 H: @/ w& |7 }9 y# a1 \4 f' vUSDAO U.S. Defense Attaché Office. 3 S- o% j! p; a/ A' }USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. 8 M$ H; `9 S; y2 v% K+ sUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine * o+ }( Y3 | t: Z(hardware) or program (software) that is compatible with a person's ability to 8 F& d* \: t; s% s8 g- a& |operate it successfully and easily. ' [4 @, d6 s! S9 N& RUser Operational Evaluation System (UOES) Prototypical system developed and tested as part of the early phases of the 2 v; @' F9 _& T' Z; v8 ?4 l! \' [. adevelopment process. A UOES has two objectives: (1) testing, evaluation, and 6 s2 O3 l$ ]+ s% q0 Itraining 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. 0 ]' R+ u" J* @- rUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. 3 X. N& P8 W% YUSFK U.S. Forces Korea. " V* ^* [! Q) L) M: k* _USFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U " P/ n8 \8 P5 `$ \- g- u314 USLANTCOM United States Atlantic Command (Now see USACOM). , h5 o9 Z) ~4 BUSLANTFLT U.S. Atlantic Fleet. USMAR- / }3 u: y& p0 b* Z# mFORCENT - v# m# ^# G* x. k2 ?$ NU.S. Marine Component, U.S. Central Command. $ p- Q% s, w6 n$ nUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. ! r$ @# W9 l# g, DUSMC United States Marine Corps. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. USN United States Navy. " o! O4 Y. u: XUSNAVCENT U.S. Naval Forces, U.S. Central Command. : w" o) i- O" ?' K+ X5 iUSNAVEUR U.S. Naval Forces, U.S. European Command. , A* l( T' P" d6 C: EUSNIP U.S. Naval Institute Proceedings. 2 Q# ^8 k+ Z7 s0 V) T$ a6 e mUSNO U.S. Naval Observatory. 7 ~' A: d* E; u+ @) r2 {0 c+ HUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. . M, j+ F) R/ ^$ r6 A$ i0 O4 IUSPACFLT US Pacific Fleet. 0 Z4 }, Y* Q6 R. ]! lUSPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC 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. / v: W1 [1 m3 f, Z& t, ?& zUSSPACECOM See United States Space Command. USSS United States Secret Service. " c8 G) G e% }. y2 Y8 [USSTRATCOM See United States Strategic Command. 0 B" _: N- b. \& `% kUSTA United States Telephone Association. $ N& `0 y* u, F1 W& o9 O: P" mUSTRANSCOM See United States Transportation Command. 9 n$ B8 k) n( L1 G3 h2 C7 qUT Universal Time. UTC Unit Type Code. MDA GLOSSARY, VER. 4.0 U , Z1 d) k4 |8 o2 G9 t315 : z# a7 T, K# N% V, R$ I* d& i( CUTM Universal Transverse Mercator. . U( H; v2 K" D4 `3 P; ?UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. UUT Unit Under Test (ILS term). " F$ S2 a: W& e" s; E* {UV Ultraviolet. % K3 I F1 N/ e( ]: v& t$ wUV Electro- . H2 ?" W% {( [ ~' x5 g7 bOptics Technologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). $ x4 v; Y/ o3 |- I5 K' EUVPI Ultraviolet Plume Instrument. 9 R0 Y* T5 A" F bUW Unconventional Warfare. MDA GLOSSARY, VER. 4.0 V 316 V Volt. V&H Vulnerability and Hardening. 4 W- X1 ^3 e( }V&V Verification and Validation. (See Verification, Validation, and IV&V.) V/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. 3 B% l. B1 t5 t2 g8 v9 J$ E3 a! bValidation Confirmation that the processes and outputs from a test resource parallel real ' E9 H# m2 s6 tworld processes and are realistically sensitive to change in the environment, 8 i( j1 a9 B+ X1 r) N9 p2 Y i5 ftactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. VAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical 0 S) X1 g8 `* x% S1 z" Lfactor introduced to average the effects of orientation, minor shielding, and 4 m' A) y" T& X g6 \: T6 Juncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. 9 h+ P8 b9 x8 @8 N3 aVCRM Verification Cross Reference Matrix. VCS Voice Communications System. ! u& l" l9 y! pVDC Volts Direct Current. VDD Version Description Document. VDU Visual Display Unit. 7 R5 z( e7 R- S- _! nVE Value Engineering. ! k# K' c% c0 V# V2 v1 @VECP Value Engineering Change Proposal. * \. |9 v0 K9 L- `; C6 I: Q7 _Verification (1) Confirmation that all data inputs, logic, calculations and engineering 4 i0 _0 q0 B- a+ G9 i# Yrepresentations of a T&E resource accurately portray the characteristics, calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified ! t. h7 Z9 Y" C! T6 s grequirements. . }( `/ b; T% ^+ W4 i, kVESA Video Electronics Standards Association. 4 J% r& z& N5 d/ jVFR Visual Flight Rules. 6 z3 {1 y; ~5 o- ?. u* A$ LVGA Video Graphics Array (Telecomm/Computer term). % D& Y- W! |) I4 `+ UVHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. @- a( {+ I n) m+ F8 CMDA GLOSSARY, VER. 4.0 V 7 @( ?) Q) u" [1 O! x5 t7 q317 VIDS Vehicle Integrated Defense Software (USA term). * S( C0 W. o3 [( ?/ kVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional 2 h: k0 S" M) ?# x ^7 tcircuitry and commercial components. Project also demonstrates VIRGIL, a 6 Z9 i" h7 f" p3 o5 Bgimbaled airborne sensor with visible, experimental UV and quantum-well IR : S- M- O B& r o/ t1 M' b0 H7 fcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. % P x. i) ~2 ^* J0 i) pVIS Visible. VIS/UV Visible/Ultraviolet. ; q% t, k* b' f# H6 [$ j6 O% kVisibility Range (or Visibility) - y. p0 ~' C% f* ?/ o. hThe 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 ; g# G# p) W S' k9 l* Tclarity of the atmosphere ranging from 170 miles (280 kilometers) for an $ {4 m$ y, ?8 T4 ~/ z: x- Mexceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 6 i! d7 v& E( q: v2 ^# f) L+ ^kilometers). Visible Electro- * Z: G- ~. ^7 D) E, h" E7 W: C* n: jOptics Technologies/techniques employed by optical sensors in the visible portion of 9 K& _" k% n6 W8 ~the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). , V7 R8 E# x$ N9 L `VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 4 `" D" E4 f% q" sVLSI Very Large Scale Integration. ; k, k4 V- ^7 f5 v, P! Y9 \) a5 iVLSIC VLSI Circuits. 6 q; I4 ]8 g3 q2 N/ _VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. ) }4 k9 C5 @* o6 b' E% P5 A) c/ H; MVMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. . `, ]7 a: O, ~1 w$ m% f+ PVTOL 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 : Q1 p- ~* i, y& d( T318 3 t, r6 W' n) OVulcan UK bomber. ' }" \0 v, t) K0 i3 aVV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. MDA GLOSSARY, VER. 4.0 W # N' J* C9 R. M* U( n7 E319 & U% M; z8 Y( G& M) ~, w5 d0 Y; vW/ With. ' }2 d! ? q- w. [w/o Without. . F- ^) b! H# w( MW/TD Warning/Threat Detection. . N5 ]2 ~$ I. G' ]( \, E+ g4 k5 |/ ]WAA Wide Aperture Array. % L+ T& H6 ?, w; u, l1 a& DWALEX 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. 1 p) r; |! T4 R4 f) y3 y3 z: G1 _0 JWAN Wide Area Network (Telecomm/Computer term). 2 @9 S. v2 P0 z4 G4 WWAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more % z5 F* u5 L' s' q, K4 n# t. @opposing forces, using rules, data, and procedures designed to depict an actual or assumed real life situation. 4 Y1 b2 a$ }3 |- F9 D. a" v+ P% T1 \2 eWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the % b+ x9 @8 K, y" D' BJNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and assessments. 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, , q8 _5 M, M( @airframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related components. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its ! O8 P7 m! h# r/ b0 m3 warmed forces for war, but intends to launch an attack in the near future. % D, p$ X* ~- J( z6 NWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). 8 M9 ?9 y4 e8 rWARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve Modes (WARM) A0 E; E3 L3 B& GCharacteristics and operating procedures of sensor, communications, navigation $ E" a. F0 B( S/ D1 q4 Caids, threat recognition, weapons, and countermeasures systems that (1) will & i8 p& l& m1 o( `% mcontribute to military effectiveness if unknown to or misunderstood by opposing * O8 R! N$ K- m. s1 X; l& n3 v* ocommanders before they are used, but (2) could be exploited or neutralized if ) s, `" l' d% d: c' n& Hknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. 2 H- g( W- s( \& B& { fMDA GLOSSARY, VER. 4.0 W 9 q+ M0 D. S0 F320 7 j+ U, s! I2 F# mWASHDC Washington, District of Columbia. ! h( U, [: H, K9 w- o. T8 b5 vWastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. Watch Condition (WATCHCON) ; c( e% ^7 ~6 T. K! c6 XSeries of readiness conditions used by the intelligence community to alert staffs " `2 x* K+ i1 Y, Oto watchfulness without raising DEFCON. WATS Wide Area Telephone System. 4 p0 u I+ I4 `9 aWAVE Wideband Angular Vibration Experiment. 5 w E- u- O! F1 u9 J8 k2 U! V( ~Wavelength The distance between two points having the same phase in two consecutive ; o0 x4 K/ ]3 {( L8 [0 gcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). ( S7 G7 D5 ~* C9 } a& n* GWBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). " \1 O ]. x! W; hWCP (1) Weapon Control Processor. (2) Weapon Control Platform. WCS Weapons Control System. 4 b: Z: I" \1 {" w9 P: `) zWDM Wavelength Division Multiplexon. 1 x1 N) ]0 r) Z; ^* ^Weapon Enabling The set of control functions without which defense weapons cannot be launched.