航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T : P( S9 G5 b& Q$ H6 N. U298 Theater Missile / C% I& Q. w7 Z/ T& s9 h: h3 ^Defense Council (TMDC) A consultative body for considering TMD family of systems planning and ' o `: h1 u K$ Oprogramming issues; chaired by an Assistant to the MDA Deputy for : g( g3 ~) d5 _* T: q' `' hAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 3 C4 W7 t" _: [) A$ Pand Program Managers. 1 q- f& M. x1 S+ T4 NTheater High 7 O/ b7 Q3 v" P% G8 f- Q; _Altitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area ! `* o$ E7 Z. j, c2 C+ `$ y, odefense 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 / H6 C A5 I+ C+ M; J6 \# OPATRIOT. # O; }8 e7 Q! U% D0 zTheater Missile (TM) # `% k4 U) I+ \4 i6 L3 o; w p1 OA theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. Theater Missile Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area 2 C+ Z% X' c0 m) |. d% Aoutside the continental United States against attack from short-range, y9 |" c+ \1 F9 _# L" g" G. yintermediate-range, or medium-range ballistic missiles. Theater Missile + S4 l, p! k/ e- w7 G$ R" X- W. z* CDefense Ground- + @, @, X* z5 k Z- RBased Radar 5 g: g0 v- R- L2 U) {(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and $ h' T& B1 `1 b7 E# D0 ]discrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Theater Missile Defense Initiative 0 Y7 }% f4 y( [ u v(TMDI) - _* L: r9 L( _ O4 R& @$ \ [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 - ~& E; z$ r$ e9 n! m0 |7 t(Public Law 102–484) directed establishment of a TMDI office within the DoD. ; f" D% k: |8 F. @5 h! rTHEL 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 6 ^, ]0 |, m9 M# uexpressed in terms of calories per square centimeter. : [& P: U+ d9 l/ Y! vThermal 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. , A% ]1 q- Q6 R, k: c. zThermal 4 }9 Y: ^, m" O9 T$ P2 `8 b: H8 ~Management * P# e( s5 r; kTechnologies/techniques associated with the control and management of # m" k6 V6 l8 X) Fthermal energy, its generation, dissipation, and recovery. ) I2 u6 H* g. m; Y) ~ sThermal Radiation * x4 h0 g: Q' j4 e2 uElectromagnetic radiation emitted (in two pulses from a nuclear air burst) from the 2 B, T4 Y, ?( Wfireball as a consequence of its very high temperature; it consists essentially of 0 S) O. I+ p5 f) t9 oultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, 3 Y9 V* Z5 D- P& x+ k1 Q7 H( A4 b& Q+ M( Pemitted 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 ' U+ v; i& c, k* d* Y2 rin temperature, which results in the formation of the fireball (or other heated / R3 N9 l* o2 t0 U% Kregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T - E2 ]# _5 Z0 b/ f0 V! q2 q1 l4 ~+ a299 1 G: a" q! `9 QThermosphere The atmospheric shell extending from the top of the mesosphere to outer space; ( c( ]+ m! S* Z! W, R6 x( w7 m4 r, pit is a region of more or less steadily increasing temperature with height, starting at 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat " Q$ B1 w( T+ V5 @& E6 KCharacterization 8 ]0 E8 K+ F- JAn assessment of the nature, magnitude and intent of an attack in progress. Threat Corridor (Threat Tube) " `* \5 V) [" kA 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 ' U# X* u, _; ]" strajectories to be represented by a single trajectory in battle management ; \: J6 E4 p2 [* ncomputation. ' Q) x9 @, o& l6 d: R5 X) xThreat Scenario A hypothetical example of the employment of threat systems against ballistic * \$ F: e. z' D6 L6 Dmissile defenses for the purpose of analysis and evaluation of those defensive 5 l- @+ U1 Z' T8 i5 D: O7 vsystems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable . t' x, D! F1 ]! s$ Zvalue (threshold) required to satisfy the mission need and a performance objective. Threshold 0 p% K6 N) d6 o" N* C% GDefense A defense strategy that concedes that the target can be destroyed at a price that is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. Throw Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. ( Z: j2 U( R' M) _/ h( {Thrusted Replicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to 8 {. D/ w5 {" ?! jchange the decoy’s optical signature to resemble that of an RV in the reentry . t6 ]7 r( \' t4 l6 r( ~phase. TI (1) Technical Instruction. (2) Technology Insertion. 2 _+ T4 m& M+ {$ s" [ lTIARA Tactical Intelligence and Related Activities. ) s# j( ?$ W' b5 G1 c$ T8 \TIBS (1) Theater Information Broadcast Service. ) k; b4 N( T: G9 v) z6 `$ c5 T) n(2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. TIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. 1 Q) H! ?1 B1 \1 MTier An integrated set of SDS elements that address a particular phase of the threat 7 X* |2 [4 d7 k- J9 `6 k8 `(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. 5 ^. y+ E8 A3 H& |. ^. l7 M7 n4 y0 T2 @TIM Technical Interchange Meeting. - z; g: ^& F8 o/ j. s/ m, R# AMDA GLOSSARY, VER. 4.0 T $ J4 l. w7 u& w& j, l4 Z300 Time-Phased Force and 7 k7 k6 N" d+ J' dDeployment List 2 P8 y! H8 P& c# x5 v! I$ }- GAppendix 1 to Annex A of the operation plan. It identifies types and/or actual + r! k) ^2 l7 z6 b# `8 k1 C' a, sunits required to support the operation plan and indicates origin and ports of debarkation or ocean area. Time of Flight 5 w6 g+ v( b$ g+ H0 W(Max) The maximum time for a booster or vehicle to perform its function from time of launch. * e3 D$ t: W, ]9 s lTime on Station The time the sensor is in its operating position. 4 w7 d% I6 ?( m, Z& H6 eTime Sensitive ! Q* y$ G- T, D& KTargets ( j+ |* l7 S. n3 n: r% jThose target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, ( k0 A' l) Q9 U' vfleeting 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). TIN Theater Intelligence Networks. r8 i! ]# O* M2 HTIP TOPAZ International Program. " n& {" `- V' I9 g) r) [) ZTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) / U! p3 o7 s, xTIRS Telemetry, Instrumentation and Range Safety ! c, z5 z2 G& ~9 R2 R* O3 dTIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. TIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) TL Team Leader. TLA Time Line Analysis. TLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). . j: r4 {' R$ ]! rTLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). ' C* e, ?2 r% P }* A" z- j4 dTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 * ^6 O. z4 ]9 uTMD C 7 Y' |7 I X. `3 7 F2 b6 e8 ^+ f7 nI Those assets that provide connectivity between and among Theater Ballistic ; f. {. {# l; Z3 W8 cMissile Defense forces. ( e z1 x- ~, ZTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). TMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 6 f5 u% T! O/ {) LTMD IA Theater Missile Interoperability Architecture. % v, x2 J9 y3 D1 _2 P: \) oTMD ITP TMD Integrated Test Plan. * a& y9 H% o3 B8 MTMDAS Theater Missile Defense Architecture Study. $ G8 P7 w1 m, I2 i4 J h4 TTMDC Theater Missile Defense Council. - ?; w2 z4 k0 g/ v+ g. v3 mTMDE Test Measurement and Diagnostic Equipment (ILS term). 2 q" H: b! }( R' z- L/ K% [TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. " z& o& p6 n9 r4 L% \" jTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. & C- U5 n5 D, g! e* g, L; F0 `TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. TNW Theater Nuclear Weapon. TO (1) Task Order. (2) Technical Order. + h7 J, D9 D: B) k7 ~& nTOA Total Obligation Authority. TOAM Tactical Air Operations Module. TOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. , X7 _0 j2 n) b! d* u+ F1 RTOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal # X6 [4 V$ A: {5 p+ s# i$ n( ?& Econditions. TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. : {; V3 K$ a$ m# f) kMDA GLOSSARY, VER. 4.0 T 302 2 {2 ~+ f: }( C& ?" I9 QTOMD Task Radar Management Details. TOMP Task Order Management Plan. - Q$ @ w8 Y3 f0 A8 n8 x# eTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. TOP Task Order Plan. Top-Down Pertaining to an approach that starts with the highest-level component of a ! `4 l+ o' ~' ?" C' ~8 Q/ o+ Dhierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down ' D$ K! A% H7 Y# N, ^Design The process of designing a system by identifying its major components, decomposing them into their lower level components, and iterating until the desired level of detail is achieved. 6 P; t1 h+ A, T R7 \/ s4 ]; t: UTop-Down 2 q* J& T6 @5 M0 h' MTesting The process of checking out hierarchically organized programs, progressively, 2 l$ o8 J3 R4 z6 n2 Ofrom top to bottom, using simulation of lower level components. 9 {8 {( D* U: v2 V3 ITOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power % _7 V% i3 Q: V. T2 m/ }technology to U.S. BMD applications. $ @( e$ z3 N1 ETOR Terms of Reference. % o' s% g8 z' d Q9 L/ p; y) ITOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. - C4 o1 ^2 K$ H( Q( [TOT Time on Target ) B( O' L# R. @+ qTotal Obligation Authority (TOA) A DoD financial term, which expresses the value of the direct program for a given $ h9 X8 |: k) X+ kfiscal year. ; x! y2 w! C1 L. P" b( kTotal Quality . S( z8 y# c) i* v4 {$ K# {Management " s* g* k |& L+ I+ m. Q(TQM) : p6 `. D6 P5 g# `- `7 S; cA management philosophy committed to a focus on continuous improvement to ) h/ V& _( C% tproduct and services with the involvement of the entire workforce. - L4 G; Q/ K) z0 y8 g/ W2 S* q/ ETOTS Target Oriented Tracking System TOVS TRIOS Operational Vertical Sounder. ) ]! _2 r" c3 F$ {! y( h. ~: DToxicity The kind and amount of poison or toxic produced by a microorganism, or ( Y* Z) I. F2 R1 ?" e! z8 \+ z2 Xpossessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. , m$ `6 o; I* R0 N8 ? eTPALS Theater Protection Against Limited Strikes. TPBM Terminal Phase Battle Manager. % f# G" }3 P& [+ STPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 3 p* a2 ?- x; v303 , e9 e7 T! n" aTPEC THAAD Performance Evaluation Center. . G% y* s( U4 y; ]1 lTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. 8 [; }: N& Z% R% z2 M( N OTPFDDL Time-Phased Force Deployment Data List. TPFDL Time-Phased Force Deployment List. " b0 o& l9 ~3 F3 ~( w$ i. g2 DTPM Technical Performance Measurement. $ u* A4 [8 k3 H7 V1 W- wTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office * F' s0 \- K3 b1 J( z: dTPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target " a4 @; F- I( g- X7 ?. hPerformance Report. TPS Thermal Protection System. ' i) `; B: M, |5 J5 }# M% A8 F/ ^TPT Theater Planning Tool. # w5 F, ]8 q; A7 b' ^TPWG Test Planning Working Group. (U.S. Air Force) / S, S* \1 x# Y! lTQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or 3 s3 z% l9 v q6 [/ O8 Qdomain models that identifies and documents the derivation path (upward) and allocation/flowdown path (downward) of requirements and 7 r8 ?# M& a4 f/ _constraints. ( A4 y9 T, g s& \0 |7 C$ ^(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate ! V. l5 u$ k8 F( }( Zrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. / q. c# O' I8 L6 F& m( I(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 $ X( i7 I$ c+ f8 Q& c) ainstrument at a moving target. & h9 Z: N, ^0 U0 F2 Q(5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track Assessment ) Z) S# W& x0 r' Q3 R& uThe Track Assessment looks for anomalies in an object’s track data. An anomaly ; [$ i/ T: u) L/ z8 g/ Nin the track may indicate a hit. Track, Birth to + s$ w3 O# ~/ R% @/ U8 VDeath / o" J5 Z' a! ?- u% w/ y9 M: N( x0 Z) aThe maintenance of an associated track through all phases of flight (i.e., boost to reentry). ; R0 [5 \8 X a! ?5 ^1 n; vTrack Correlation The combining of track information for identification purposes, using all available 8 R) M, F4 n- h- R% Gdata. Track Extension This term usually applies to improvements in track estimates by use of new data. / [+ ~4 j; Z" _2 a- e- ^5 c, IIt is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). 5 T4 p6 Y; `, a+ @MDA GLOSSARY, VER. 4.0 T 304 Track File A target’s stated estimate, confidence, covariance matrix, and associated LOS measurements with irradiances with confidence of association; or some subset of ! H' q& w5 Y# n, G* [: v& S( q+ F- j1 Hthe above. Track File-Track 9 }0 u+ U8 J% k2 @: o! m0 `2 uHistory A set of individual track reports on a particular object, which taken together 0 G' @, {6 Q9 L0 r3 M- X5 Bproduce 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 ) U, @) h4 o0 @8 i% m sthree-step process of data association, track initialization, and track improvement by filtering. ) O( g" @2 W2 ^Tracking The act of generating and maintaining a time history of an object's position and any other features of interest. ! a2 T. d" P U) T5 i, v1 I8 ITracking and Pointing Once a target is detected, it must be followed or “tracked”. When the target is 3 w \1 ?% ~* e( {% \/ s' Q" ~) esuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing ! h: \" r V1 zare frequently integrated operations. 5 ?1 B4 g' r: K# WTracking Range (Max) 6 P, G; d) L0 ^0 P. x9 C: lThe maximum line of sight distance at which a sensor can maintain track of an 8 B6 E! h% R, i' |. cobject. 4 F' ` O# G5 @. k9 }. c [! \2 nTrack Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of * C# R. C2 q/ ~0 z4 b) S) Gframes. - V1 v3 ]2 P! b( QTrack Production 0 |& T. s: u4 [& i1 ?1 ~Area 7 o, v4 F6 ^& I& uAn area in which tracks are produced by one radar station. 1 ?8 c! d0 @" q. uTrack 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. Telling may be classified into the following types: back tell; cross tell; forward tell; lateral tell; overlap tell; and relateral tell. 7 }& ?' I6 R# C- |3 ?$ TTRADEX Target Resolution and Discrimination Experiment. ( p& `& T$ d K0 @# Y# n# dTRADOC 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. . a2 E: n7 }0 ^; [7 x( `7 zTrain Threat geometry with objects placed in a line (string) along the velocity vector of reentry. Trajectory The curve described by an object moving through space. Trajectory 0 C, s) V% Q0 X/ g, H2 I) @Histories Trajectory information on targets recorded over a period of time. + O; }" K& m+ pTRAK A data base management system (not an acronym). : a2 ]2 A3 y* Z! w6 C$ d: j. JTrans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. 0 u# `1 W. d0 m, ~6 YTransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. Transition to Production ; x0 T7 }* c C' }, v) SA risk reduction process during which the program shifts (passes) from development 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.) 9 i9 G- m. c# S8 FTransmission : O+ y( }( X/ M$ w/ }& z. s2 p/ ySecurity 8 I& e" g% Y, k- t" `3 l3 b" b(TRANSEC) That component of security, which results from all measures, designed to protect communications transmissions from interception and traffic analysis. (See 8 n% p6 L+ W: A1 n0 Q! QCOMSEC.)

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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. 0 n& [- r1 c. X3 eTRAP Tactical Receiver and Related Applications. . S" X2 j1 p+ G# v' S6 D1 eTrap Door A hidden software or hardware mechanism that permits system security - `" t" f. x& F8 O5 umechanisms to be circumvented. # y2 Y; @% ~ t \' ]' lTraveling Wave Tube (TWT) An electronic tube in which a stream of electrons interact continuously or repeatedly with a guided electromagnetic wave moving substantially in / {, z: M0 T. L' t, @5 c# ksynchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in : i# K! L% o% Fthe microwave region. Traverse (1) To turn a weapon to the right or left on its mount. 2 _% E7 |' G, `1 A(2) A method of surveying in which lengths and directions of lines between $ e& W/ [* R. d) ]5 kpoints on the earth are obtained by or from field measurements, and & W/ r8 w" P* }- x. H/ T7 c2 mused in determining positions of the points. 0 n1 }: I/ N$ h4 m# ] GTraverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. ; _0 k' n( M1 X% Z2 _TRB Tactical Review Board. TRD Technical Requirements Document. TRE Tactical Receive Equipment. 4 Y* V$ Y. |$ sTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. $ `7 \) R+ }3 JTREM Total Radiation Environment Model. TREPS See Thrusted Replicas. TRESIM Tactical Receive Equipment Simulator. ; T! {# e8 q1 @3 e; A0 n2 W# d4 KMDA GLOSSARY, VER. 4.0 T 306 TRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. # S: z3 w- ?3 r+ A; m+ ETRIDENT Class of US ballistic missile submarines (USN term). # ]4 j' b5 v c$ |% NTRIDENT I (C-4) US SLBM (USN term). $ d- B+ d; j* q1 {4 q {TRIDENT II (D-5) US SLBM (USN term). ! {6 u! L- } H) Y @; R3 a" FTRIM Toxic Reduction Investment and Management. 9 z1 u8 a, ~' d* @7 LTRM Technical Reference Model. 7 p9 |" ^1 C) W z3 u) |, P: nTRMP Test Resources Management Plan. 4 o1 E. t% A& q+ uTRN (1) Task Requirements Notice. (2) Test Requirements Notification. 8 h3 ]- T3 G% LTrojan Horse A computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission performance. TROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the - ]/ D1 ]8 H2 U8 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 tropics. (See Stratosphere, Troposphere.) - v+ x" k4 q4 \. f' L8 GTroposphere The region of the atmosphere, immediately above the earth's surface and up to 8 a7 D1 `% ^, F( zthe tropopause, in which the temperature falls fairly regularly with increasing altitude, clouds form, convection is active, and mixing is continuous and more or , N% M# Q' S; S. x) yless complete. ) ~+ ~6 r# o* Y) F. `7 YTropospheric 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). (4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. ( F- n: c4 F7 }2 v: u7 P8 Q7 PTRR Test Readiness Review. 8 W6 W, X$ f( ^& ~6 i7 @" t; gTrusted Computer System/Software # O, H9 y& \1 w$ P2 k$ SA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified information. Trusted Path A mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base. This mechanism can only be activated by the person ; ? o+ W! \# \( eof the Trusted Computing Base and cannot be imitated by un-trusted software. ( ^, O/ m2 n1 ^3 V! r; KTRW TRW, Inc. G5 D7 E4 o1 jTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T % A% ^' _* d; h- N i- }307 TSA Technology Security Analysis. & |) o" b+ e6 zTSD Tactical Surveillance Demonstration. & A5 `+ d5 Q8 k# @ B) f3 iTSCM Tomahawk Strike Coordination Module (USN term). 6 E6 N( H6 i5 L: o. p5 ]3 @6 TTSD Tactical Surveillance Demonstration. TSDE Tactical Surveillance Demonstration Enhancement. TSEU Technology Seeker Evaluation Unit. & U7 t' X# \6 t9 ?+ p2 p# Q2 [TsIAM Moscow’s Central Institute of Aviation Motors. 2 }" t6 Y; h5 O/ s4 }TSM TRADOC System Manager. 9 g3 ^" I( q$ [TSMA Theater of Strategic Military Action. 8 V3 }" m4 X k7 G8 j+ r# OTSP Target Support Plan. TSPI Time, Space, Position Information. & }$ ?2 r0 x: t! M6 g% S6 WTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. ( h% w5 m! G# Z5 A9 c6 VTSSAM Tri-Service Standoff Attack Missile. 2 w" D2 w6 s5 \( PTSWG Target Signature Working Group. TT Total Time. 4 C3 ~; \! p9 v. j; u sTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). TTA Total Time Accounting. TTBM Terminal Tier Battle Manager. TTBT Threshold Test Ban Treaty. TTD&D Test Technology Development and Demonstration. A portion of the CTEIP + `% A; K: ]9 P6 X9 Zprogram, which funds the development and demonstration of technologies, y% Z$ g# I5 X, ]which have significant potential for improving testing. . |) ^! U. ~3 FTTEL Tools and Test Equipment List (ILS term). , R5 \/ h) x; z4 }+ X9 R9 a7 e: w% iTTL Transistor-to-Transistor Logic. 4 r2 w8 d1 e! |; J2 {# [5 E+ Z% dTTP Tactics, Techniques, and Procedures. ) C0 y& n5 G" V8 Q4 K9 L& r' ?TTSARB Technology Transfer and Security Assistance Review Board. : K/ X/ S/ J5 y& g9 Q1 D/ b( Y- HTTT Test Technology Transfer. ' R) b$ o6 F2 ^7 n# BMDA GLOSSARY, VER. 4.0 T % O0 O+ C! `3 l- o308 : H/ C- z! F' ]( GTTV Technology Test Vehicle. TTY Teletype. TUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). TVC Thrust Vector Control. 2 f {6 N, e! M! f; a% ATVE Technology Validation Experiment. 3 F9 S( j0 I+ q9 Z8 o* y7 I2 ]% u+ Q. bTVM Track-via-Missile. 8 K% l* {$ s1 O* W1 e& ^TVV Technology Validation Experiment. TW Tactical Warning. , _. O; ?, h5 |( NTW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. * z K) ]( Y+ g7 c! y' fTWG Technical Working Group. TWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. ( K" I. C& I* y( n4 @4 p! X5 KTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). : m9 r( H. |1 C9 [. L% uTY Then Year (PPBS term). 3 K; o, _8 \& U! Z# xTY$M Then Year Dollars Millions. Type A - System ; q$ G4 c2 ?5 s* {4 J5 iSpecification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 8 W) ^. N0 t) }0 c& h }constraints are included. Type A specifications state the technical and mission ( }, ~8 i3 u( j( qrequirements of the system as an entity. Type B - 3 n" z$ u3 j/ N' v7 Q" `0 g* ^Development 6 @3 R/ F! \# r$ g* vSpecification & U0 L) O0 f6 ]; ^ R0 MStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the . D1 T" e1 E8 X$ W4 P/ Rdevelopment of items other than systems. They specify all of the required item * C, d7 H( Z, Y) a0 ^( ~2 ifunctional characteristics and the tests required to demonstrate achievement of $ |1 B% }0 Z. t, ]+ Y) Cthose characteristics. Type C - Product Specification Product specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of primarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. $ l' \6 m" K! R8 F O9 e+ HTyphoon 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 2 Z0 E* g" k9 |3 U9 ~: b6 L% ]( cobjects (i.e., SS-18, SS-24). % r% c- ~5 b) R: GMDA GLOSSARY, VER. 4.0 U 309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). & J0 ^0 x6 R! B; D& S* Y- P7 `8 U) IU.K (UK) United Kingdom. / @% f# R8 B& j& [+ @1 LU.S. (US) United States. m9 ]2 Z, ]2 g# ~4 k0 lU.S. West U.S. West Incorporated. U.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). * X; @) z# I+ L3 hUAE United Arab Emirates. 0 ~8 f, F# ?% o7 `8 I% Z6 aUAV Unmanned Aerial Vehicle. ( G6 U$ k$ I6 X/ M2 Q/ p7 Q: jUAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. 4 V: F0 F! r' `6 {# t# p0 ]3 m, lUCAP UAV Combat Air Patrol. - i* E8 [6 T+ t) v# F$ AUCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. : \/ A$ ^ D$ F! Z3 XUD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 5 D* _' M* R7 kUDS Universal Documentation System. A standardized comprehensive tool for stating ) m' g7 k) }8 V( L. Qand coordinating program requirements for testing MRTFB ranges, as well as the + |. M$ i5 `5 F) v: kcapabilities and plans of test ranges to support program requirements. It consists of a series of six planning and execution documents: 10 are the F0 k9 k; s# y. q; B6 U/ PProgram Introduction (PI) (also called the Program Introduction Document (PID)), % v/ Y2 s% H# z* F3 n" p! T8 j2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) 7 ]2 W5 \5 _' z; W+ Q: IOperations Requirements (OR), 5) Program Support Plan (PSP), and 6) the 0 U- Q U$ b$ @# g; }& h4 ]' }Operations Directive (OD). The UDS was developed and is regulated by the Range Commanders Council (RCC).

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UE Unit Equipment. ( k3 Z. O% q$ f/ gUEME Unified Electro-Magnetic Effects. ) t7 o+ o s/ M4 z8 ^UEWR Upgrade Early Warning Radar. 5 R; N7 P( l* a O( v) ~) j9 t iUF4 Uranium tetra fluoride. UF6 Uranium hexafluoride. ; K- |# z6 h: j% dMDA GLOSSARY, VER. 4.0 U 310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. 3 I0 Y- i4 m( G3 C+ e* A) r6 J! OUGF Underground Facility. UGS Unattended Ground Sensors. ) d7 `3 X) |. nUGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. + m6 V. t( ~' S/ u. u& GULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. $ D" X5 m# P& h# AULSA Ultra Low Sidebobe Antenna. ULTDS Unit Level Tactical Data Switch (SINCGARS term). % \+ C7 A2 S DUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet : J3 I9 X) r- V9 `9 E) a(about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). ! Y# }. {& y2 k. @+ q* EUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). ! B( g6 Z3 C# S2 c+ t5 V0 dUNAAF Unified Action Armed Forces. ; b8 R1 v0 l4 [& P1 u. rUNC United Nations Command. Z7 z/ E# s. K3 O% Y* H( \Unconventional Warfare A broad spectrum of military and paramilitary operations conducted in enemyheld, enemy-controlled or politically sensitive territory. Unconventional warfare includes, but is not limited to, the interrelated fields of guerrilla warfare, evasion 5 |6 S: X. y" L( ], Wand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. # N# r6 r0 c& W4 vUnified Action Armed Forces 7 k+ N& p/ {2 {6 z8 G& FA publication setting forth the principles, doctrines, and functions governing the 6 `* w+ S% v* v: ^4 Tactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. }/ b9 F9 j' h2 A& ~5 p1 dUnified 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. MDA GLOSSARY, VER. 4.0 U 4 W, w. m: {% t7 p. E6 D311 + S$ k2 y2 A$ `6 y6 V) }UNISYS UNISYS Corporation. United States Army ; L1 [3 J+ C9 z( @1 a2 q* a; sSpace Command (USARSPACE) " l3 w! I/ {+ y* d3 @The Army component command of USSPACECOM. Responsible for the Army 9 S4 H7 Q& T4 I; b, celements of the SDS system. Located in Colorado Springs, CO. United States 1 r+ A9 v9 E& K7 ?! a9 QSpace Command - v8 }6 C/ \1 @' G! C+ D(USSPACECOM) 7 v3 T4 i) w6 ~The unified command responsible for planning and conducting ballistic missile * T u. {( b0 X+ J" t4 }4 _defense. Located in Colorado Springs, CO. 1 ^# a3 q2 E& I9 P8 Z+ P4 D6 NUnited States 4 \- @( w+ s: O0 v, g% e y4 oStrategic 1 ~% e/ Y0 p4 M$ E2 l& b3 K; ?Command ! N5 e" Z2 E3 k9 n& w( T. K(USSTRATCOM) 9 ?: [! t1 J9 i) [2 ?+ L! m% R# B% vThe DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic 1 O& j2 G5 V i0 }0 [* `missile offensive combat strikes. Located at Offutt AFB, NE. United States 5 ] S9 O2 f. CTransportation 2 H7 E, {/ z* Q3 {Command # g R. i( x+ N$ N0 ~3 t: b8 c(USTRANSCOM) The DoD unified command responsible for providing air, land, and sea transportation for the Department of Defense, both in time of peace and time of + p* [- \* e. o- q. h/ O& S+ k% o6 iwar. It is also responsible for providing airlift, sealift, surface transport, and 9 R0 O( R) |- V. O5 @; N8 nterminal 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. Unresolved Objects * F6 u$ K, {6 |% ?! g% w, jObjects so closely spaced with respect to the sensor focal plane as to be # |$ q; G: Q" q9 l n- Zindistinguishable from a single object. UNSC United Nations Security Council. UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. UPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. - R$ f+ P R( I: f& }UQT Unit Qualification Training (ILS term). 6 a2 p% w$ M8 K; w4 h' X4 r$ YURIP University Research Initiative Support Program. ) k" t7 S# ?1 y- z1 N( _% rURL Uniform Resource Locator (internet protocol term). 0 d+ ^' ?6 z2 O+ h& ?URT Upgraded RTD. ' u5 Z5 x4 h8 mUS/UK United States/United Kingdom. USA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. ' C" D" [3 P/ dMDA GLOSSARY, VER. 4.0 U 4 o5 F7 Z- k8 q! @& B, `312 USACE United States Army Corps of Engineers. USACOM United States Atlantic Command, Norfolk, VA. USAF United States Air Force. USAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. " m- q+ q* \8 ~7 AUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF 1 M9 w: i! y! t( CSystems Command /SSD. , [. u& N* |) I4 P# rUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. 0 ?; a$ d$ u! a) o [( @" CUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. USAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. 5 }" \) d" o% l7 ^9 o F* o/ yUSAFE U.S. Air Forces in Europe. ' u# n5 R" k- Z8 H) e7 K9 WUSAFLANT U.S. Air Force, U.S. Atlantic Command. 5 v* G* D, v- _3 {* YUSAKA U.S. Army Kwajalein Atoll. , e* A' h0 r9 mUSAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. 6 h$ m" k0 `; |$ A, A3 GUSAMSAA 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. 8 U# c1 W: ]) \USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. # b: \( t0 G' t+ |2 }USARPAC U.S. Army Forces, U.S. Pacific Command. ' m; ]0 W \8 ?2 ?USARSPACE See United States Army Space Command. USASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL % X8 G) d5 I5 S3 y3 O5 ]USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. 5 D) r" I, s( TMDA GLOSSARY, VER. 4.0 U / V+ y# i! c4 F# A2 O313 . T4 R* t9 W2 R; d$ k/ cUSCENTCOM United States Central Command, MacDill AFB, FL. 4 |# Q! k0 Y1 @% p- ^+ W! q }USCG United States Coast Guard. 0 c9 m" {3 ^* I6 o6 J! b' G3 FUSCINCCENT Commander in Chief, U.S. Central Command. : W+ }! X/ @% z' S% c; iUSCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. , q. g+ {5 N" G. ]USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. USCS U.S. Customs Services. 2 F( ?5 c1 U" EUSD Under Secretary of Defense. # d- [& G+ e4 k CUSD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). * o% F! s: ~; z6 b1 @6 j" h# wUSD(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. ! i5 r8 V, r, k1 P% a5 |: K/ ^' jUSDAO U.S. Defense Attaché Office. . Y- a- Z/ {+ F# e B% @8 qUSDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. User Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine (hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational % b$ j3 R$ \3 C0 Q2 i MEvaluation & q9 m" s8 J6 h9 ^7 a/ y2 H! HSystem (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. + q+ p% d o1 { ]* ]( mUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. 8 I1 N7 d5 m* K# r) [USFK U.S. Forces Korea. 5 h4 N0 V4 I: v. V9 P# Z& f* aUSFK/CFC CSFK Combined Forces Command. USG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U 314 0 l2 ]9 {# t! Y" A* |- u1 B9 cUSLANTCOM United States Atlantic Command (Now see USACOM). / i6 j: g+ \0 C; R' |+ f eUSLANTFLT U.S. Atlantic Fleet. 5 L. z. K; Z4 m. Z5 oUSMAR- : K& Z; |9 V3 {( xFORCENT 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. USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. ' ]5 ^+ ?7 z& A: W6 HUSN United States Navy. - x6 i0 ` W9 x, x" r: g5 p! pUSNAVCENT U.S. Naval Forces, U.S. Central Command. , x+ ]& L# B* a2 N2 p7 cUSNAVEUR U.S. Naval Forces, U.S. European Command. ; h9 ^7 K0 R* p$ C6 eUSNIP U.S. Naval Institute Proceedings. USNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. + ]8 H6 q; W' r6 T/ `* {) X! AUSPACAF U.S. Air Forces, U.S. Pacific Command. 8 i7 R, P9 j" |, A, FUSPACFLT US Pacific Fleet. ) V; D; m3 q3 E' ?& V# _7 \USPACOM United States Pacific Command, Pearl Harbor, HI. 4 K K# W! D. ~" iUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. 4 i7 D% U6 N) t& ^ mUSSOCOM United States Special Operations Command, Tampa, FL. & @$ D6 W; E$ B. c- ]USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. ! p) L4 K, z3 K8 q: KUSSPACECOM See United States Space Command. USSS United States Secret Service. USSTRATCOM See United States Strategic Command. USTA United States Telephone Association. USTRANSCOM See United States Transportation Command. UT Universal Time. , j+ _9 G! @0 c, e( t+ lUTC Unit Type Code. 2 x0 C7 I+ M q* [& w4 ^MDA GLOSSARY, VER. 4.0 U ; ^/ @2 I8 P/ i4 o& @7 m315 ) P& F) C! ]7 rUTM Universal Transverse Mercator. ( K$ C( C; |. a8 `9 Z" G) L) B7 R; e; UUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. . n- f H1 e- r3 NUUT Unit Under Test (ILS term). 8 k( @) a: @& A4 Z% u8 rUV Ultraviolet. UV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength ) b6 Q7 Z$ @$ }) r4 V" `4 @8 Rspectrum shorter than visible (e.g., less than 4,000 A). ) g0 B) U& n$ G6 eUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. - T) A* U% f$ j% R I& R" F. _* R3 ?MDA GLOSSARY, VER. 4.0 V 316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) 7 C2 [2 O/ b( g2 G% h! ZV/STOL Vertical Short Takeoff and Landing [aircraft]. VAFB Vandenberg Air Force Base, CA. Validation Confirmation that the processes and outputs from a test resource parallel real . v! |8 Z" q% Pworld processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. ; O6 w, ^( T0 KVAMOSC Visibility and Management of O&S Costs. " |" @: B3 K0 l0 C! M& vVAR 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 factor introduced to average the effects of orientation, minor shielding, and % }0 V) t) ?$ v, {9 Guncertainty of target response to the effects considered. 7 ? C1 d* S+ o- n- d6 m7 ^VBO Vertical Burn-Out (velocity). % u% `' g, L' {9 X9 MVCC Voice Communications Circuit. ' x* K- v. t6 W0 p# G. _/ t' FVCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. - W+ B% X) F- \4 e5 QVDD Version Description Document. ( N5 {4 [3 k- I5 A" \& R1 o" nVDU Visual Display Unit. VE Value Engineering. VECP Value Engineering Change Proposal. Verification (1) Confirmation that all data inputs, logic, calculations and engineering representations of a T&E resource accurately portray the characteristics, : K: {; Q8 g; i$ Xcalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end 3 |+ a. w, @# p! u( Lof the development process to determine whether it satisfies specified requirements. 9 B* @4 N! T* e2 B% ], kVESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. VHSIC Very High Speed Integrated Circuit. 1 P2 ?, K2 c& r6 H9 v" y8 rMDA GLOSSARY, VER. 4.0 V 317 VIDS Vehicle Integrated Defense Software (USA term). 5 s) D4 ?- U- B/ \9 RVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D # @$ ~' Z- [9 G/ b% P8 n+ k/ BExperiment. VIGILANTE involves building a small computer (ANTE) offering 1/12 Operation Per Second (OPS), using a mixture of experimental three-dimensional circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR ! R1 B& s( G9 f+ a, Zcameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. # z1 y+ Q* o/ _1 M" K0 l4 VVIM Vibration Isolation Module. * g' ~0 p8 x3 b9 o0 E% P4 {7 x3 gVINSON Encrypted Ultra High Frequency Communications System. VIS Visible. + J7 n+ w! F @VIS/UV Visible/Ultraviolet. Visibility Range & s- G6 m; d) Z- g& {% c(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 ( j7 \2 Q) Q; T$ U6 r- N1 _clarity of the atmosphere ranging from 170 miles (280 kilometers) for an exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze or fog. The visibility on an average clear day is taken to be 12 miles (19 * p& o2 k ~- T( N2 }/ gkilometers). ! ]1 {' P2 H' g2 ?$ m4 r$ R( Y7 TVisible Electro- # @* e: @) a7 f1 t/ F: hOptics Technologies/techniques employed by optical sensors in the visible portion of the wavelength spectrum. VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. VLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. VLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. VMF Variable Message Format (Telecomm term). VOX Voice Actuation. VRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. 9 u; V4 v9 T c$ SVTOL 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 ( f( o$ q6 _$ C& S4 ~! j" ~' T318 9 h: r+ Q3 b! I; J; ~/ ^Vulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. - }* X8 p5 @8 j$ c0 U' kMDA GLOSSARY, VER. 4.0 W 319 . Y+ |+ Q8 u1 ?W/ With. * O, s5 R( h4 t( Z7 Gw/o Without. W/TD Warning/Threat Detection. ' p' l- m" `! _WAA Wide Aperture Array. . r3 Q" b% u4 W) T6 DWALEX Warfare Analysis Laboratory Exercise. ! C: R) v5 R3 V! ?) r5 DWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area Munition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). 5 c' X& p; ?9 D! ~, n$ A6 j% g. Y( h/ kWAP Wide Azimuth Probe. ; P) k4 m( ?% qWar Game A simulation, by whatever means, of a military operation involving two or more opposing forces, using rules, data, and procedures designed to depict an actual ! M( Q G3 p+ v: i) Uor assumed real life situation. Wargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the / j# g3 `5 o' V1 n* c! LJNTF for use in CONOPS validation, missile defense program design verification, ) D& G- ^. o. B9 k* f# Gvalidation and accreditation, and support CinC/Allied wargames and 3 m& w+ h; s) T) o7 A5 x6 _( tassessments. & H% k7 C/ L. t& k3 t; d- q+ tWarhead 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. 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 - k: x$ W; X& k2 [7 Darmed forces for war, but intends to launch an attack in the near future. 1 ]% }- x4 s- D: s) h5 @$ zWarning Order A preliminary notice of an order or action that is to follow. WARSIM Warfighter Simulation (US Army term). WARSIM 2000 Warfighter Simulation 2000 (US Army term). 6 U0 E6 W3 L, F3 z @' D) k }3 bWartime Reserve 2 f f* h% K* f9 i; G# PModes (WARM) Characteristics and operating procedures of sensor, communications, navigation ! k& C1 \6 k% d& l" X2 ?aids, threat recognition, weapons, and countermeasures systems that (1) will contribute to military effectiveness if unknown to or misunderstood by opposing + ?4 P- z. z4 g. e" g( Ucommanders before they are used, but (2) could be exploited or neutralized if 9 X( Z6 o. G% V4 S$ M( o; W0 Lknown in advance. Wartime reserve modes are deliberately held in reserve for 8 }! C3 s0 U- E& L% x. V8 l; |wartime or emergency use and seldom, if ever, applied or intercepted prior to such use. WAS Wide Area Sensor. + |) h+ N1 F+ V mWASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W : I+ [2 c% c; w. i7 G320 2 j- ?7 J8 b" n7 @2 SWASHDC 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. ; N6 H/ e4 j/ \0 P6 P% IWatch Condition 0 R- H3 L4 r! c5 | S5 J M+ M(WATCHCON) Series 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 ( e& I: N& l% R/ h6 ucycles of a periodic wave, along a line in the direction of propagation. WB Wideband. " a/ G3 z) F; P: m4 ]$ OWBM Weapons Battle Manager(s). WBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). 3 c" K* M6 l& ^1 L! l4 l* ]; P% x5 gWCP (1) Weapon Control Processor. (2) Weapon Control Platform. - @ i- w2 g F; R: z# _WCS Weapons Control System. WDM Wavelength Division Multiplexon. 5 m; G% p# w1 f5 f$ t9 T: b% _Weapon Enabling The set of control functions without which defense weapons cannot be 5 c* v- a& I; U5 O0 T2 v6 Slaunched.