航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 ' b) l6 U7 D+ W7 c/ n' N; k1 D, lTheater Missile + i: L0 n/ c ~. H/ M8 |Defense Council (TMDC) A consultative body for considering TMD family of systems planning and 6 D2 ?( l6 }) }+ \programming issues; chaired by an Assistant to the MDA Deputy for Acquisition/TMD, membership includes MDA TMD Directors, representatives of " L2 {2 y7 n& l5 `% W2 p6 {8 A( T( Geach applicable Service Program Executive Officer, and TMD Executive Agents and Program Managers. Theater High ) X$ d4 z9 }; ^3 i* z# C. zAltitude Area Defense System + r5 F1 d8 U' R6 o(THAAD) A ground-based, air transportable interceptor system that will provide wide area * y- K2 n. u, j( _2 Cdefense capability by intercepting longer-range missiles at higher altitudes and at $ B' U3 a0 K! q6 Sgreater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. Theater Missile 4 m6 ?/ Z) J9 D" V# }& H(TM) 3 i& i% ] I$ e8 T9 _A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. - e, d6 @/ u' D* J' ATheater Missile $ J' B2 Y- A4 d; @Defense (TMD) OBSOLETE. The strategies and tactics employed to defend a geographical area & Q5 J/ j8 X: f9 b/ foutside the continental United States against attack from short-range, - K0 A0 Y2 o! Z1 xintermediate-range, or medium-range ballistic missiles. ) [; s L1 I3 Y M: jTheater Missile Defense Ground- Based Radar - V v% ]. m2 `7 @- d- y2 O& B(TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and , y5 b/ j7 g3 V- F# O9 Y3 R! T7 F6 Odiscrimination capabilities for the THAAD interceptor system. Also referred to as THAAD Radar. Y5 [8 X6 D' v. D: ~Theater Missile 8 D' f" |! v+ l: ^Defense Initiative (TMDI) / E" A5 w4 Y2 YAn 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 ) \9 s4 l1 `1 w7 O' [9 U; {5 U H0 [(Public Law 102–484) directed establishment of a TMDI office within the DoD. THEL Tactical High Energy Laser. 5 N; M4 @* \# s7 ]Thermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of " Q% Y3 O+ \, s9 K2 Y, Y2 S4 Fthermal energy received per unit area at a specified distance is generally expressed in terms of calories per square centimeter. 4 z, N: N7 r$ n% c4 V: c g. sThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 8 Q. J8 T; L5 W; J8 y& H9 c/ Mreflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree that structural components fail. Thermal Management 0 V R+ U9 E1 }; l( F+ X% PTechnologies/techniques associated with the control and management of ) c. g1 i z2 qthermal energy, its generation, dissipation, and recovery. . s. G& k1 Y& ^% R e5 n2 G* zThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the : S7 p. m2 n- O. ^, r. Sfireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. 2 \/ m% C5 _6 P- i0 J+ ]" C" gThermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, emitted by the nuclear weapon residue by virtue of its extremely high temperature; it also is referred to as the primary thermal radiation. It is the 9 B$ Z1 k0 B( Z( _/ Vabsorption of this radiation by the ambient medium, accompanied by an increase in temperature, which results in the formation of the fireball (or other heated region) which then emits thermal radiation. (See X-Rays.) 7 \* W* z+ \9 M2 p0 JMDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; 4 p7 E8 ~: h0 x8 x! {5 ]it is a region of more or less steadily increasing temperature with height, starting ' ^7 }+ p8 A( l- a2 O: M; Gat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the * |1 ~' \- U8 c1 A0 U8 S' fexosphere and most or all of the ionosphere. Threat . z! ?7 L& D9 z8 i& wCharacterization . k$ h, M- u, m. E4 a* [) ]An assessment of the nature, magnitude and intent of an attack in progress. ! @* U0 p5 s6 Q+ zThreat Corridor : k% w( a3 E/ T) Y; H/ c(Threat Tube) / ~, H% j/ v r; x" NA tube containing all the objects originating from launch sites and aimed at * K4 `$ J' f' N( B, `& {' dtargets whose spacing is close enough to permit the tube around the object 2 {# n$ \3 R( \5 y0 i/ v4 A) Mtrajectories to be represented by a single trajectory in battle management - x: Q. l3 b$ P: k7 [' }computation. 6 `; E/ H4 u" }4 cThreat Scenario A hypothetical example of the employment of threat systems against ballistic ! T. {" l: \8 {8 F2 I+ s( Cmissile defenses for the purpose of analysis and evaluation of those defensive 4 d8 q/ B' _* d1 ]9 Psystems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable * t! O2 |) J1 f$ H( X9 B, Fvalue (threshold) required to satisfy the mission need and a performance objective. Threshold ) K% ~) u, X; O9 `1 W; Z- MDefense A defense strategy that concedes that the target can be destroyed at a price " r: p; t( V8 Z) wthat is not prohibitive, but the presence of the defense is thought to require the offense to mount a relatively large and complex attack. + e V; e/ A" N+ v* [2 s PThrow Weight All weight in an interceptor, above the sustainer, which serves as the kill vehicle. 1 A7 g+ j3 t, H I" F5 V& xThrusted 1 J- y( w# a2 _) AReplicas (TREPS) Conical decoys equipped with a miniature rocket device. Generally used to change the decoy’s optical signature to resemble that of an RV in the reentry phase. 0 M3 ?" U- b# Q0 Q, yTI (1) Technical Instruction. (2) Technology Insertion. ; x9 P; J6 @0 p7 m% HTIARA Tactical Intelligence and Related Activities. 5 z6 I' t" o: o7 r" Y( G; FTIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. 4 M4 t- d: g' D( |7 T(3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. " F6 R6 x ?+ j+ M0 NTIDP Technical Interface Design Plan. TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. # Q0 p6 f0 m4 ^- C+ U& o- [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. TIES Technology Integration Equipment System. - J% Z' ]; B% a: w( [0 ?TIIAP Telecommunications and Information Infrastructure Assistance Program. + Z) t# H" G' H8 L# O- cTIL Technical Insertion Laboratory. TIM Technical Interchange Meeting. MDA GLOSSARY, VER. 4.0 T & }6 y3 h2 ]% a6 p0 j: m; k2 ]300 0 n ]# B( K N* M9 x4 S' NTime-Phased Force and Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual 8 `( R ~# J6 w; T# ~0 Hunits required to support the operation plan and indicates origin and ports of b+ C g( n. ^+ Rdebarkation or ocean area. - X" h( a6 |+ G2 t) c' lTime of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of launch. * I D- u) k9 X2 [( X1 hTime on Station The time the sensor is in its operating position. Time Sensitive Targets 8 E6 ^4 w* v: ?Those target requiring immediate response because they pose (or will soon pose) a clear and present danger to friendly forces or are highly lucrative, fleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. $ d9 N- @' @- p& X7 A, h0 pTIMS Training Integration Management System (USAF term). 1 |: @7 Y; O8 C$ q, J$ n( XTIN Theater Intelligence Networks. TIP TOPAZ International Program. 2 }1 c, ]+ G, T' aTIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety TIS (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. " i/ M7 _ v0 j( U! i: _TLA Time Line Analysis. . F5 }) P% [9 ]8 b, l! I* b PTLAM Theater land Attack Missile. TLAM/D TLAN [with submunition] Dispenser (Navy term). TLDD Top Level Design Document. TLV Target Launch Vehicle. TLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army term). U* s0 @, j: R. D ]% RTMCC Test Monitor and Control Center. TMD See Theater Missile Defense. TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T / j. X8 p$ u& d6 q' P301 TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. 2 C/ H# q$ W/ U3 UTMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 2 z. x6 d+ W) E: u0 y+ OTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). TMD IA Theater Missile Interoperability Architecture. TMD ITP TMD Integrated Test Plan. TMDAS Theater Missile Defense Architecture Study. TMDC Theater Missile Defense Council. TMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. TMP Technical Manual Plan (ILS term). TMPCU Tomahawk Theater Mission Planning Center Upgrade. ' y( q; V/ D' V qTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. TNF Theater Nuclear Forces [Treaty term]. TNT Trinitrotoluene. * F, b- b2 H6 a- M( HTNW Theater Nuclear Weapon. * ]6 D( z& t0 c8 N& @& hTO (1) Task Order. (2) Technical Order. : k0 u h6 R! c% s0 r0 k- k Q: S GTOA Total Obligation Authority. 9 n6 g! g/ d; B9 k5 k" T# yTOAM Tactical Air Operations Module. , h% q3 k/ @, N& N6 ZTOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. % H- `: A& X4 M/ j* J+ X8 }Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. * z1 v; T, o/ U7 p3 }4 B9 B% VTOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 - J$ [: O( q" z# kTOMD Task Radar Management Details. TOMP Task Order Management Plan. 7 T. i' q3 C. A. {3 W; ETOMS Total Ozone Mapping Spectrometer (NASA term). * `& M# P$ N3 t. `* {9 V( JTOO Target of Opportunity. ' s" y7 ^8 t Q9 KTOOL Target of Opportunity Launch. # m5 v$ [/ L! h: X/ o, nTOP Task Order Plan. , n- p, v; Z" ]( O* wTop-Down Pertaining to an approach that starts with the highest-level component of a hierarchy and proceeds through progressively lower levels; for example, topdown design, top-down programming, top-down testing. Contrast with bottomup. Top-Down $ x7 Q, ~9 y! m, Q- L7 [ @- `: A, z' cDesign # R. f. I; E! }& K O: jThe process of designing a system by identifying its major components, [ z5 R* z0 N; ~decomposing them into their lower level components, and iterating until the desired level of detail is achieved. 2 R2 P. `( O( ?' G$ X8 N& m. |Top-Down Testing The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. . u- A+ r$ x' Z3 j% JTOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power technology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. TOT Time on Target t; x+ M$ ?* E! {0 CTotal Obligation Authority (TOA) * @0 o/ i6 i' J- Q" G4 r9 jA DoD financial term, which expresses the value of the direct program for a given fiscal year. . C& b$ j0 @0 d! r, q- F' D4 VTotal Quality Management 6 O4 I0 n1 J2 `4 L: k(TQM) " y! L6 C" B) U5 a4 d, N; e5 w! {& sA management philosophy committed to a focus on continuous improvement to 9 m; ]5 A1 n. P5 W$ Bproduct and services with the involvement of the entire workforce. TOTS Target Oriented Tracking System ! \+ o- {" A0 [- g) u7 ?TOVS TRIOS Operational Vertical Sounder. Toxicity The kind and amount of poison or toxic produced by a microorganism, or b/ p/ o% k1 m' [possessed by a chemical substance not of biological origin. TP (1) Telenet Protocol (Telecomm/Computer term). (2) Test Program. TPALS Theater Protection Against Limited Strikes. ; o' T8 j! h9 g; a1 S g8 f9 m; zTPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T 303 TPEC THAAD Performance Evaluation Center. ) t, |* |' y. Y2 B# l# p5 `$ H7 p3 pTPEM Technology Program Element Manager (SDIO/MDA term). TPFDD Time-Phased Force Deployment Data. " L& _. a" [! i( K, z% C) pTPFDDL Time-Phased Force Deployment Data List. {5 A C: h$ E- {TPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. ; C. t9 F* j4 Y# PTPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. * Q( V& v) k _) H2 o" }2 BTPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. ; ?8 V, Z3 o) r' }& g/ gTPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) ' x& z+ ^6 Q4 G F, J. ETQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path " t2 n0 Q0 x+ r7 D" {9 p(upward) and allocation/flowdown path (downward) of requirements and constraints. (2) The degree to which a relationship can be established between two or 1 e Q) ]# P; k/ W: ~) Pmore products having a predecessor-successor or master-subordinate 0 I5 e% p2 _7 J) z) Nrelationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. 2 {( t3 ]# u4 |% F, n% a(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 5 w, ?: A% M2 g# a [2 finstrument at a moving target. - d$ ?5 u: j: [+ t* {; P(5) The actual path of an aircraft above, or a ship on, the surface of the earth. Track X* a% j* F3 I4 x; a# xAssessment The Track Assessment looks for anomalies in an object’s track data. An anomaly ! u0 m+ r9 Z9 B' r" v+ vin the track may indicate a hit. / I8 V6 r3 L5 v7 u1 n- D) dTrack, Birth to Death The maintenance of an associated track through all phases of flight (i.e., boost ( R- Y- }3 e9 C; h0 cto reentry). Track Correlation The combining of track information for identification purposes, using all available . i3 q: u3 Y$ Q* wdata. 9 A/ v( m4 d& j( |! s, o' h( iTrack Extension This term usually applies to improvements in track estimates by use of new data. It is sometimes used to describe a process of target extrapolation to a future time or place (e.g., reentry). MDA GLOSSARY, VER. 4.0 T ; Z& E) q8 ^4 L! J* m8 g1 w304 " @* h, M) n! g, RTrack File A target’s stated estimate, confidence, covariance matrix, and associated LOS ) z! T; o& Q6 G& h: C9 h5 J) Emeasurements with irradiances with confidence of association; or some subset of 2 @1 X0 E+ g, W6 p3 zthe above. / e: G$ ]' w) E H8 Y+ tTrack File-Track ( w8 X) U2 n7 ?, yHistory - f9 A3 ^, b. G! ZA set of individual track reports on a particular object, which taken together , ^) @5 q6 p- C# u- b) Y5 ^produce useful approximation of that object's future position in space. 4 o% i5 p" S0 t0 U! g) U' Z; QTrack 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. 7 W, ?* ], g w6 c; W, x4 D9 ZTracking The act of generating and maintaining a time history of an object's position and any other features of interest. 9 H/ ?7 a! E6 k6 z* y' gTracking and Pointing / K- \- v( \( _4 b2 z7 l/ \+ xOnce a target is detected, it must be followed or “tracked”. When the target is 4 n1 L& S+ w( `7 @9 ssuccessfully tracked, a weapon is “pointed” at the target. Tracking and pointing l5 x0 y2 }: K& Kare frequently integrated operations. Tracking Range / U( h% D7 B: D2 c. q(Max) The maximum line of sight distance at which a sensor can maintain track of an object. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector of an object. The process typically requires observation from a number of frames. + s& n! N$ T- N. [2 P% N& k Y- TTrack Production / D/ q3 y: u! N/ _* K( G+ W$ vArea An area in which tracks are produced by one radar station. Track Symbology Symbols used to display tracks on a data console or other display device. Track Telling The process of communicating air surveillance and tactical data information between command and control systems or between facilities within the systems. 1 O; Z; }0 t% A" J: HTelling may be classified into the following types: back tell; cross tell; forward tell; 8 ~& Y, J- q2 |( K* D$ ^lateral tell; overlap tell; and relateral tell. . j% Q* d& I4 ?1 p$ KTRADEX Target Resolution and Discrimination Experiment. TRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 7 M5 h4 {% S# y, TTraffic Capability Maximum $ P& ]; |1 J5 l# N* G3 Q: cThe maximum number of objects per unit time which the sensor system can $ s( ]5 M1 B, b$ imaintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high ( g/ @5 X( n5 Kendoatmosphere. 0 |6 t" J! V6 c- p2 TTrain 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. 0 |7 Z+ u6 d: |# ?0 b+ E" }Trajectory Histories Trajectory information on targets recorded over a period of time. 1 J2 z% K1 A- q2 iTRAK A data base management system (not an acronym). Trans-Attack Period from first tactical indication of attack until termination started, i.e., postattack. MDA GLOSSARY, VER. 4.0 T 305 : N+ h' L0 N) d6 ]+ C1 Q( TTRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. Transition The period in which the world strategic balance would shift from offensedominance to defense-dominance. 2 q, s4 v% E8 z6 O' R: W, OTransition to # [7 R; Q3 P( R- W* ~# w$ A. RProduction A 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.) 2 R8 `, h8 O0 K; `9 rTransmission & A! T* o0 X0 ~- r, ~# dSecurity (TRANSEC) That component of security, which results from all measures, designed to protect 2 }% Y, x- s5 ^+ t7 G4 O R5 v: Ucommunications transmissions from interception and traffic analysis. (See COMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative % q2 L# I# Q8 F* ?6 Lspeed of the fluid is subsonic in some places and supersonic in others. This is & i+ ?3 ?* D5 r" y5 dencountered 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. 8 U* z5 r0 @6 s# t: ]. B0 v- iTrap Door A hidden software or hardware mechanism that permits system security . Z" `$ B4 q5 t8 }4 P0 gmechanisms to be circumvented. ( U! |- w9 @, S' fTraveling Wave Tube (TWT) - E2 [8 J7 d/ x% \An electronic tube in which a stream of electrons interact continuously or " K/ c8 a/ B! X4 T1 K4 irepeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in + ]: O9 i4 p0 @9 Q( A& Ithe microwave region. * c0 p! s5 F9 T" ]1 RTraverse (1) To turn a weapon to the right or left on its mount. & n# X" {3 S7 X9 j( u! M(2) A method of surveying in which lengths and directions of lines between & H4 Q- {; L' x1 w. _* ^6 apoints on the earth are obtained by or from field measurements, and + p$ G# W: V# F# h- fused in determining positions of the points. , C& y* @& q+ X$ A9 d) A" STraverse Level That vertical displacement above low-level air defense systems, expressed both ) K& D7 p/ [* `- j* T+ D# bas a height and altitude, at which aircraft can cross the area. 8 t4 ?$ @$ n) v. W, eTRB Tactical Review Board. TRD Technical Requirements Document. 1 |8 T8 V# y- i" g+ J YTRE Tactical Receive Equipment. TREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. # A1 @$ n- w1 H6 f2 [0 ?TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. % k# W% v* D! A: a/ L5 y cTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 306 3 e6 n: \, u+ v: @+ KTRG 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). TRIM Toxic Reduction Investment and Management. 2 I# n, x2 @) ^7 c) [0 ~8 b4 g9 |TRM Technical Reference Model. J/ W' A* T' j4 f7 PTRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. ( r- i8 w/ I' U1 Y$ R1 @: m2 ETrojan Horse A computer program with an apparently or actually useful function that contains ' ?$ Z# \; ]7 j* G7 M" N+ Qadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission / b4 S+ d( w7 m; aperformance. * o( f/ P9 b9 J* B3 k5 PTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.) z" G$ _) P+ \7 t; 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. " Z# T+ g# O9 Z4 o" M+ ~Tropospheric % \ V8 ?; F. v0 pScatter , \2 ^) Z/ j8 Y0 v& \7 M( ~% _The propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere. 4 m, q5 C8 [- M& @TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. t( @% r% S3 K/ Z(3) Technology Readiness Program (pre-acquisition program status). 7 P7 q/ D4 Q7 k; i9 W/ U8 E; D(4) Technical Requirements Package. TRPC Technology Readiness Planning Committee. TRR Test Readiness Review. Trusted Computer 6 _, k% Q4 w& Z2 H( P7 b# m6 wSystem/Software 6 ~- l5 z8 |/ W. rA system or its software that employs sufficient hardware and software integrity + y5 |4 i0 k4 L7 s% I* S; cmeasures 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 J' f$ m! r: [5 aTrusted Computing Base. This mechanism can only be activated by the person of the Trusted Computing Base and cannot be imitated by un-trusted software. TRW TRW, Inc. . y, E3 M0 x% bTS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 3 }- h" x- U- @: N9 ~* Z307 3 n7 t# y# W1 {, F `9 n' eTSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. TSCM Tomahawk Strike Coordination Module (USN term). * ~; V. c# T3 b/ S0 ]TSD 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. TSP Target Support Plan. / S# y3 @! F4 O# m+ l, U' bTSPI Time, Space, Position Information. / b8 G$ B( _; [* NTSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. - w3 z m7 p" R5 q) e( g1 {2 KTT Total Time. 9 H5 v7 x' G4 D/ gTT&C Telemetry, Tracking and Command. 6 { }) W! G- ^# UTT&E Technical Test and Evaluation (Army). # m% I+ j) \4 K: QTTA 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 : f& o4 M! U% N( xprogram, which funds the development and demonstration of technologies, . |# |2 v& c [( d8 w- jwhich have significant potential for improving testing. TTEL Tools and Test Equipment List (ILS term). TTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. P6 l" k8 l- g: zTTT Test Technology Transfer. ! G+ Z7 s P- I. k0 [5 H# i& Q; x3 ZMDA GLOSSARY, VER. 4.0 T 308 1 Q# t! f A& nTTV Technology Test Vehicle. TTY Teletype. # a/ p+ z9 v; j" J5 `- wTUG TRACE User Group. 5 P: R' f8 ~& [% J, k5 C, bTV Thrust Vectoring (rocker engineering term). 0 q3 I- Q- d A. mTVC Thrust Vector Control. # U7 ?! s" x1 i- m1 G4 d7 yTVE Technology Validation Experiment. TVM Track-via-Missile. 2 I& z& v, i3 r4 L, b c' j; DTVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. % u$ r; ~ X& \: G, O! D. _! sTWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. TWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ) ]) m+ d. O5 e3 |. l2 O- QTY Then Year (PPBS term). 7 F( Y; _. L0 y+ K0 a6 b, U uTY$M Then Year Dollars Millions. 0 L3 T" O; Y- f$ A; l' [ `Type A - System Specification & z0 e5 B2 |1 bStates all necessary requirements in terms of performance, including test 7 R: n; _4 | q6 Wprovisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity. 3 Q7 {$ P/ w" p: S# _% c) G& zType B - Development * o% i: O. S- j# BSpecification 9 T1 |7 ?1 F2 ^( HStates all necessary requirements in terms of performance. Essential physical constraints are included. Type B specifications state requirements for the : s4 H# X, S) O; ndevelopment of items other than systems. They specify all of the required item ' ^5 I' n; H4 _) v+ vfunctional characteristics and the tests required to demonstrate achievement of 0 F# t$ x1 Z2 m$ i- f7 J5 athose characteristics. 1 O2 `/ d% I' a! @8 |2 RType C - Product Specification Product specifications are applicable to any item below the system level, and , [/ q8 m' ?0 n7 u. Ymay be oriented toward procurement of a product through specification of : ?9 S8 K3 A; |5 O: Vprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of items including computer programs. / M( I% f. g' i, i. k, k1 f. a% P2 sTyphoon Class of Soviet ballistic missile submarines. " ~" e9 s9 ^" m" n9 \$ V5 oTyping 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 % O2 ^( R, K9 D1 Z* T% Iobjects (i.e., SS-18, SS-24). ' e( Y2 j( _1 y$ c6 A. ]MDA GLOSSARY, VER. 4.0 U 309 U Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. U.S. West U.S. West Incorporated. b- ^* Z! U+ {/ q2 dU.S.S.R. Union of Soviet Socialist Republics. UA User Assessment (NMD BMC3 term). * K3 @% L" W* I# m7 S1 _% g) V5 JUAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. ) }* D4 ]$ e1 n) `' PUCC Uniform Commercial Code (US legal term). UCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. * n) Z2 G9 M( [/ X; D) k5 TUDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). UDS Universal Documentation System. A standardized comprehensive tool for stating 7 s& j6 L* I* s6 [! Jand coordinating program requirements for testing MRTFB ranges, as well as the 5 K e- E4 |. ?9 ~capabilities and plans of test ranges to support program requirements. It " r1 s- W; Z* b; y. Xconsists of a series of six planning and execution documents: 10 are the 7 q; ]+ ], v+ C; D5 ~* v% G2 BProgram Introduction (PI) (also called the Program Introduction Document (PID)), 2) Statement of Capability (SC), 3) Program Requirements Document (PRD), 4) Operations Requirements (OR), 5) Program Support Plan (PSP), and 6) the Operations Directive (OD). The UDS was developed and is regulated by the # o5 R% Y: O, b$ |) t- j( DRange Commanders Council (RCC).

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UE Unit Equipment. UEME Unified Electro-Magnetic Effects. - _8 K- i% H8 T* G& xUEWR Upgrade Early Warning Radar. , @- f5 ?7 ]4 KUF4 Uranium tetra fluoride. : v( N1 B3 F! `# U* s4 AUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U 6 }+ ~" |+ R/ F4 p6 t310 UFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. 2 e! |. S) Q3 R* x" w) M: hUFP Unit Flyaway Price. 1 E! ~+ c* u0 H6 Y& W! tUGF Underground Facility. 9 J; h* p7 Q/ V6 }UGS Unattended Ground Sensors. UGT Under Ground Test. , P. s9 I% q3 s- MUHF Ultra High Frequency. UIC Unit Identification Code. UIN User Interaction Node. UKAS (1) UK Architecture Study (2) UK Associate Studies. ; I6 Z+ o) m: E5 y" ?UKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. ULCS Unit Level Circuit Switch (SINCGARS term). ) @0 q! w* v& G" | y7 r2 E* |8 y! GULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. . G8 L: t9 ]: {ULTDS Unit Level Tactical Data Switch (SINCGARS term). Ultraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 1 M# o* M# a3 m) M6 J+ l) N+ L2 c# MUMD Unit Manning Document. + v8 E3 H1 z8 w/ R# mUMMIPS Uniform Material Movement and Issue Priority System (ILS term). UNAAF Unified Action Armed Forces. UNC United Nations Command. 3 a) s9 O+ ` a' X8 v, ?; y5 bUnconventional y" p; L( ?: E3 x/ G- }Warfare # K$ u; n2 g% qA 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 8 b: l$ p; \5 X4 J, P9 Q$ Zand escape, subversion, sabotage, and other operations of a low visibility, covert, or clandestine nature. + [) X# ?# n( f1 G NUnified Action Armed Forces * w6 w5 p3 l; q0 `0 U1 c' ]6 k' ]8 f1 QA publication setting forth the principles, doctrines, and functions governing the + r+ S- E% |; mactivities and performance of the Armed Forces of the United States when two or more Services or elements thereof are acting together. 5 E: c" j, V- ^; `. z* Y- W% AUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 7 L! r( K( o0 \, `* S( f% \which is established and so designated by the President, through the Secretary 9 _2 ]( \# e" c: R. \3 ?of Defense with the advice and assistance of the Joint Chiefs of Staff. 0 ~% @' x- e, UMDA GLOSSARY, VER. 4.0 U 311 % H7 Z B7 O1 L1 q4 E2 hUNISYS UNISYS Corporation. " D6 w* M9 d9 J8 xUnited States ; B6 R9 I) k6 z8 FArmy Space Command (USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. * ?- d1 Y5 V; X1 f4 `United States Space Command (USSPACECOM) The unified command responsible for planning and conducting ballistic missile - Q1 B/ b5 g2 A, [1 i6 ]. x/ D8 pdefense. Located in Colorado Springs, CO. - r) \( c4 [- J. J- hUnited States * ?. B$ G ?' }8 f! CStrategic ! z4 ]2 `7 {9 }& r/ ]8 ?! J% DCommand 3 v- F2 Q3 A2 [9 n(USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic ( o- o% O, w. V5 Z$ R/ J, zmissile offensive combat strikes. Located at Offutt AFB, NE. United States . ^1 m! H# c& oTransportation : [3 B. e! X! A# j0 K/ KCommand (USTRANSCOM) " s, [* y s4 s5 J4 c! M lThe DoD unified command responsible for providing air, land, and sea 3 z8 Y) X# \0 e" y7 itransportation for the Department of Defense, both in time of peace and time of $ ?/ h' f( C; N7 m$ v* nwar. It is also responsible for providing airlift, sealift, surface transport, and / |$ L/ |2 b! B' X3 p6 X6 gterminal services, and commercial air, land, and sea transportation, including as i1 c m. r5 f2 l- C5 u9 B& [6 _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 ' M& {+ C4 }* mAFB, IL.

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Unk Unknown. Unresolved / ^5 h0 L' ?% O6 a, ZObjects , S( Z4 i) H/ c* t$ R' jObjects so closely spaced with respect to the sensor focal plane as to be % q& h/ l8 S' @5 n+ ]6 d1 M$ @indistinguishable from a single object. 6 O, u* b9 X5 b' ?UNSC United Nations Security Council. - k7 S5 c: P& BUnSecEnergy Under Secretary of Energy. 5 g( w, }8 ^* `3 ^9 }2 ^UOC Usable on Code (ILS term). $ W# f; d! n% OUOES See User Operational Evaluation System. d- A- o, M$ I; T+ W7 l1 Z; @6 GUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. UQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. URL Uniform Resource Locator (internet protocol term). : ?) D0 P' i' Z* JURT Upgraded RTD. US/UK United States/United Kingdom. & E5 ]$ d: v* ?+ R; p6 AUSA (1) United States Army. (2) Under Secretary of the Army. USAADASCH U.S. Army Air Defense Artillery School. USAAE U.S. Army Acquisition Executive. 8 e9 n7 Z% u0 K: HMDA GLOSSARY, VER. 4.0 U & v: E+ L0 v ]' L1 K312 USACE United States Army Corps of Engineers. : L; z# k" s5 { wUSACOM United States Atlantic Command, Norfolk, VA. : }6 G L7 u1 E$ O" i5 BUSAF United States Air Force. 6 y# E% B- z" e/ q# d$ hUSAF/AFMC/ESC U.S. Air Force Materiel Command, Electronic Systems Center; ex-ESD. 9 e! E) @) T2 n! b4 o3 bUSAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. + [4 S& u+ O4 ]1 _) E7 iUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. , A, h" G) x: q- ]; m8 X1 LUSAF/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. 1 R' }& K [+ x" RUSAFE U.S. Air Forces in Europe. 7 N9 S- R7 f2 j" M1 v! G* E( dUSAFLANT U.S. Air Force, U.S. Atlantic Command. ) o3 L0 X N* ^" i& T6 iUSAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. : {) j' W7 j5 |8 p* I, \1 I) r9 T3 QUSAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. ]9 j* m I& x: m3 y9 P; AUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. 3 y; g3 {9 [8 h, g( m" RUSAOTEC U.S. Army Operational Test and Evaluation Command. 3 D% u% A4 z% Y) x" r. rUSARCENT U.S. Army Forces, U.S. Central Command. ( D; M+ x$ `# h3 AUSAREUR U.S. Army Forces, U.S. European Command. : I- H, Q+ g7 d6 D: ]. I3 b( }USARLANT U.S. Army Forces, U.S. Atlantic Command. 2 D% p( v# Q8 N5 t7 o4 ~USARPAC U.S. Army Forces, U.S. Pacific Command. $ E- g$ {% j6 N% z+ H+ x- p& J6 ?USARSPACE See United States Army Space Command. ; l. O% C4 m, uUSASDC U.S. Army Strategic Defense Command (<1Oct 92). 2 i4 S0 ?; D! t( iUSASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL USATECOM U.S. Army Test and Evaluation Command. USATRADOC U.S. Army Training and Doctrine Command. - e3 }* D) G. }- WUSB Upgraded SBD. USC U.S. Code. USCENTAF U.S. Central Command Air Forces. MDA GLOSSARY, VER. 4.0 U 313 ) Y+ `8 A1 K1 v _! Z" yUSCENTCOM United States Central Command, MacDill AFB, FL. USCG United States Coast Guard. ; D) t0 ~( m: U' Q8 @9 g/ E9 ~1 lUSCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. USCINCLANT Commander-in-Chief, U.S. Atlantic Command. USCINCPAC Commander-in-Chief, U.S. Pacific Command. USCINCSPACE Commander-in-Chief, U.S. Space Command. USCINCTRANS Commander in Chief, U.S. Transportation Command. ' I! F# G9 l$ _USCS U.S. Customs Services. : P, l3 O' t; W. x/ K+ ?; P9 cUSD Under Secretary of Defense. 1 h& s# i; V' H( h0 c% pUSD(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. 6 y. D1 M( q: F7 h, r& iUSD(P) Under Secretary of Defense for Policy. USDA United States Department of Agriculture. USDAO U.S. Defense Attaché Office. 2 @: `5 ?" m/ x2 t; SUSDELMC U.S. Delegation to the NATO Military Committee. % S) a" Y+ Y' [' VUSDR&E Under Secretary of Defense for Research and Engineering. * Y% e4 Z' }( n; `7 g1 ~% XUser Friendly Primarily a term used in automatic data processing (ADP); it connotes a machine . N+ n0 v6 z% e(hardware) or program (software) that is compatible with a person's ability to operate it successfully and easily. User Operational Evaluation , s2 Q5 y1 x! o" b' gSystem (UOES) 7 l9 b- f+ F+ }4 n( [5 D4 o& lPrototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and 4 Y7 K( g, P9 a; Dtraining for a system proceeding through the normal acquisition process; and (2) . }6 m% A. f; t7 ocontingency defense capability should the need arise prior to completion of the 2 a, ~3 T7 y: E, ] L* y1 ?: Jnormal acquisition cycle. , _- @4 D: {* ^: lUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. - Z& z y& v1 eUSFJ U.S. Forces Japan. USFK U.S. Forces Korea. . x- T$ F y3 F% [USFK/CFC CSFK Combined Forces Command. + o) d) K% n' U; J' mUSG U.S. Government. USIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U ; ] w; i- l# o! a314 USLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT 9 K, ^/ R' [4 `- l X% H+ [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. , C9 b( ?4 b5 y" ]! w# K' n4 nUSMILREP U.S. Military Representative. USN United States Navy. USNAVCENT U.S. Naval Forces, U.S. Central Command. # M% ]! M3 H0 S4 _2 Z [; PUSNAVEUR U.S. Naval Forces, U.S. European Command. 7 g* f* U" d" f8 BUSNIP U.S. Naval Institute Proceedings. # Y2 O2 q" u% pUSNO U.S. Naval Observatory. / o- X8 l k2 S) m. y; R; f; u* D, OUSNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. USPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. USREPMC U.S. Representative to the Military Committee (NATO). / V0 H. n) h. Q5 Q hUSSC United States Space Command. 0 u/ v; G- z: t3 p( O) vUSSOCOM United States Special Operations Command, Tampa, FL. ) o* L* y! {/ ?- m" yUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. . W! A. S2 W: fUSSS United States Secret Service. 0 y0 i) E$ T! u: l" G) H0 a' oUSSTRATCOM See United States Strategic Command. USTA United States Telephone Association. ! `: T/ U5 k+ A" k. v O6 t; NUSTRANSCOM See United States Transportation Command. UT Universal Time. - I8 B6 w9 H; o" HUTC Unit Type Code. 3 o; p( n; |2 PMDA GLOSSARY, VER. 4.0 U 315 UTM Universal Transverse Mercator. % x1 s, S8 @$ D1 ?$ |UTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ) {' y' ~+ e+ l4 B; _UUT Unit Under Test (ILS term). 8 K* m5 J" ?- z5 J* XUV Ultraviolet. UV Electro- Optics Technologies/techniques employed by optical sensors in the wavelength e! h9 T2 Y+ e. J4 S, H' @spectrum shorter than visible (e.g., less than 4,000 A). ( e1 t% j0 k* u% B: jUVPI Ultraviolet Plume Instrument. UW Unconventional Warfare. ; B$ t7 v# G# |$ UMDA GLOSSARY, VER. 4.0 V 316 9 H1 d3 `. l4 a2 i# xV Volt. ' s ]' }9 G' W: Y' [" pV&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) 6 f U% C! c0 p S- 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 world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat. & u& h) L- o8 U# ~VAMOSC Visibility and Management of O&S Costs. 4 Z- |) G. b2 c! @( M* S) \& U/ VVAR Visitor Access Request. 0 W& S2 ?) D X- sVariability The manner in which the probability of damage to a specific target decreases . G; h- w2 p4 m4 owith the distance from ground zero; or, in damage assessment, a mathematical 0 q' Y( C0 N- u/ @1 ~+ y9 B3 {: Xfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. * t! A# R% a' ~# yVBO Vertical Burn-Out (velocity). VCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. VDC Volts Direct Current. VDD Version Description Document. 7 Z: F* {; j) v- EVDU Visual Display Unit. VE Value Engineering. # ^6 O; S. M$ v2 b0 ]9 ^VECP Value Engineering Change Proposal. : i/ b$ U" c. e9 B: U6 hVerification (1) Confirmation that all data inputs, logic, calculations and engineering 2 F: T, H" k* s+ Q9 D2 i' p: krepresentations of a T&E resource accurately portray the characteristics, # H8 Y5 h; o, F I: g7 {8 |calculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end . k3 y2 J3 t4 u9 r' y/ q3 mof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. VGA Video Graphics Array (Telecomm/Computer term). 2 p5 e/ Q+ @3 [ D. Z) sVHF Very High Frequency. % z$ f( j" D% p- wVHSIC Very High Speed Integrated Circuit. 6 y7 {; S T* B; g8 o" C6 D fMDA GLOSSARY, VER. 4.0 V ! W6 D) {# }) @, k/ _317 VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE 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 " | ]$ s0 s: Z( ~) b# O5 N4 _circuitry and commercial components. Project also demonstrates VIRGIL, a gimbaled airborne sensor with visible, experimental UV and quantum-well IR cameras capable of tracking targets that can be detected, identified, and precision-tracked with the ANTE processor. VIM Vibration Isolation Module. 2 u* G- n0 v+ s4 N1 Y3 j( wVINSON Encrypted Ultra High Frequency Communications System. ; t- C6 a& m ?* G/ u+ h& B+ C: mVIS Visible. VIS/UV Visible/Ultraviolet. : Y$ k7 Q9 |$ y$ x7 o& gVisibility Range (or Visibility) ! G: ^( m- P' T- X" U' FThe horizontal distance (in kilometers or miles) at which a large dark object can ' S0 T! U0 p( F, h5 ~just be seen against the horizon’s sky in daylight. The visibility is related to the 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 7 O5 f, m: [! ]) o, H0 ykilometers). Visible Electro- 0 }! [( ^4 C0 c/ x4 U3 \7 JOptics # K7 r& K+ X! p( lTechnologies/techniques employed by optical sensors in the visible portion of 8 r1 _6 u* f- cthe wavelength spectrum. * n' X- g N9 c6 L4 ?VLAR Vertical Launch and Recovery (UAV JPO term). VLF Very Low Frequency. 9 P7 P0 L% W3 c, z Y$ FVLOS Vertical Line of Sight.

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VLS Vertical Launch System. VLSI Very Large Scale Integration. VLSIC VLSI Circuits. 2 i8 G$ p. w' \9 i8 m1 Y! o# i- EVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. $ |) I* H6 ]& c/ v) }VMF Variable Message Format (Telecomm term). ) B# `/ ~0 b L+ FVOX Voice Actuation. $ f, m5 v4 B$ d- ?* A/ W: u( `2 LVRI Vanguard Research, Inc., Fairfax, VA. VTC Video Teleconference. $ l: `; y/ h' n+ r3 N2 R, fVTOL Vertical Takeoff and Landing [aircraft]. VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. , N, M$ ^. H% {9 T. H( W5 w3 cMDA GLOSSARY, VER. 4.0 V 318 a3 C/ J; q, w( P' lVulcan UK bomber. VV&A Verification, Validation, and Accreditation. * B$ u8 u5 k1 t8 LVVER Pressurized water type nuclear power reactor. VVIRF Verification and Validation Information Request Form. ( d# s8 ]! ?) G3 eMDA GLOSSARY, VER. 4.0 W 319 W/ With. w/o Without. W/TD Warning/Threat Detection. : M- N0 s0 M5 b/ Z; m( ]3 jWAA Wide Aperture Array. 5 b& K( d$ g; E+ u& VWALEX Warfare Analysis Laboratory Exercise. WAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area % @8 j3 G- l7 r S1 \' `. z" M+ mMunition. (3) Wide Area Mine. (4) Wide Area Missile. WAN Wide Area Network (Telecomm/Computer term). WAP Wide Azimuth Probe. War Game A simulation, by whatever means, of a military operation involving two or more 6 H" A3 A1 b* Iopposing forces, using rules, data, and procedures designed to depict an actual # _' U g3 R% L" J+ u# n1 gor assumed real life situation. 4 T, \, [0 ]# a- |" R" e5 G) R0 zWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the * C# [% y+ M" `! ~$ H% ^JNTF for use in CONOPS validation, missile defense program design verification, validation and accreditation, and support CinC/Allied wargames and ! N% V; G& b2 ?assessments. Warhead A weapon, usually thermonuclear, contained as the payload of a missile. 3 G* n* o& l {! B3 X" d' O3 gWarhead Mating The act of attaching a warhead section to a rocket or missile body, torpedo, & I! ^" P, x* w8 f/ Lairframe, motor, or guidance section. Warhead Section A completely assembled warhead including appropriate skin sections and related : Q) z! q# e- F" r& ~6 x9 Y7 L5 Ecomponents. WARM Wartime Reserve Modes. Warning of Attack A warning to national policymakers that an adversary is not only preparing its armed forces for war, but intends to launch an attack in the near future. Warning Order A preliminary notice of an order or action that is to follow. ' M# U1 R5 D* sWARSIM Warfighter Simulation (US Army term). 9 R7 U' Q7 S0 C. JWARSIM 2000 Warfighter Simulation 2000 (US Army term). 6 K0 I3 }% U# u# G$ M% ^Wartime Reserve Modes (WARM) Characteristics and operating procedures of sensor, communications, navigation 0 c' {: g& o- `) qaids, threat recognition, weapons, and countermeasures systems that (1) will 1 S$ Y1 Y9 X3 a& Y3 e- w1 v- H% hcontribute to military effectiveness if unknown to or misunderstood by opposing & B- c4 T2 x# C8 X$ Xcommanders before they are used, but (2) could be exploited or neutralized if 9 [5 X; }$ v" H+ Nknown 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. + Q4 q2 S7 n) B* JWAS Wide Area Sensor. WASP Wide-body Airborne Surveillance Platform. A modified DC-10. MDA GLOSSARY, VER. 4.0 W h; Y+ V: l$ L% d6 ]1 W320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective in contributing to the defeat of the offense. Watch Condition (WATCHCON) Series of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. WATS Wide Area Telephone System. : n& X0 t( E8 P5 l0 M( |0 }8 PWAVE Wideband Angular Vibration Experiment. Wavelength The distance between two points having the same phase in two consecutive @) w+ B/ e8 Y! bcycles of a periodic wave, along a line in the direction of propagation. WB Wideband. WBM Weapons Battle Manager(s). 8 n6 J! S! Q8 r% T6 aWBS See Work Breakdown Structure. WCC (1) See Wing Control Center. (2) Weapons Control Computer. WCG Workstation Computer Graphics (Computer term). WCP (1) Weapon Control Processor. (2) Weapon Control Platform. $ x8 \2 D/ m9 S7 @WCS Weapons Control System. % R- Y; R8 w, q) q9 ^7 w0 }WDM Wavelength Division Multiplexon. Weapon Enabling The set of control functions without which defense weapons cannot be launched.