航空缩略语词典

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MDA GLOSSARY, VER. 4.0 T 298 Theater Missile $ U' ?% \ X' W- Q# A4 B! J) WDefense Council (TMDC) A consultative body for considering TMD family of systems planning and programming issues; chaired by an Assistant to the MDA Deputy for 2 f) X8 Y4 ~$ V! l: cAcquisition/TMD, membership includes MDA TMD Directors, representatives of each applicable Service Program Executive Officer, and TMD Executive Agents 6 G! d2 Z2 T; u8 `3 z0 tand Program Managers. , F& ~1 C8 E' I: n/ Y: D9 I0 K, aTheater High ( v* [2 y$ F+ ?Altitude Area Defense System (THAAD) A ground-based, air transportable interceptor system that will provide wide area defense capability by intercepting longer-range missiles at higher altitudes and at greater distances. Will provide an overlay or upper tier to point defenses such as PATRIOT. . @# e! v1 f1 pTheater Missile * z6 }, m7 I9 I- j(TM) A theater missile (TM) is a ballistic missile (BM), cruise missile (CM), or air-tosurface guided missile (ASM) whose target is within a theater or which is capable of attacking targets in a theater. Theater Missile Defense (TMD) 6 m6 N: T2 S/ D" a8 _2 W4 KOBSOLETE. The strategies and tactics employed to defend a geographical area 3 P1 t4 z x/ c! M boutside the continental United States against attack from short-range, intermediate-range, or medium-range ballistic missiles. Theater Missile 0 u( i# [% y* rDefense Ground- 8 J+ h" T% c+ a; U8 F! n9 f1 A' UBased Radar (TMD-GBR) A ground-based, air transportable sensor that provides search, tracking and discrimination capabilities for the THAAD interceptor system. Also referred to as 1 R+ ]* x) A0 C# sTHAAD Radar. 2 N3 V# d7 p) [8 _: W, ^Theater Missile Defense Initiative (TMDI) . j8 A( q- R) n6 C o' k' t. T& DAn initiative under which all DoD theater and tactical missile defense activities are ! E- o) [& Z# {( o# O/ f4 g4 I0 Gcarried out. Section 231 of the National Defense Act for Fiscal Year 1993 6 Z, ~, _7 _- E' q' w& Y(Public Law 102–484) directed establishment of a TMDI office within the DoD. . c0 Q+ \" i# Q+ U* r6 y5 Q' xTHEL Tactical High Energy Laser. * y- X/ R ^6 e, {. XThermal Energy Electromagnetic energy emitted as thermal radiation. The total amount of thermal energy received per unit area at a specified distance is generally 0 ]0 f$ A/ q' Q- [/ z# ^9 iexpressed in terms of calories per square centimeter. 5 \0 C: k/ H4 jThermal Imagery Imagery produced by sensing and recording the thermal energy emitted or 3 h# H3 S( [3 X8 Kreflected from the objects, which are imaged. Thermal Kill The destruction of a target by heating it, using directed energy, to the degree ( w, x/ H8 Z0 r5 B8 C0 z! \5 \1 ?that structural components fail. + w$ k; D7 n9 R2 t; E) PThermal Management Technologies/techniques associated with the control and management of thermal energy, its generation, dissipation, and recovery. / e/ K9 j/ m" ?& m( B/ { l% CThermal Radiation Electromagnetic radiation emitted (in two pulses from a nuclear air burst) from the fireball as a consequence of its very high temperature; it consists essentially of ultraviolet, visible, and infrared radiations. Thermal X-Rays The electromagnetic radiation, mainly in the soft (low energy) x-ray region, # K+ R* e a0 y! O/ v1 O# u/ femitted by the nuclear weapon residue by virtue of its extremely high ; b" M( @" k: F6 J2 ?temperature; it also is referred to as the primary thermal radiation. It is the - y: i; \" v" w$ H0 g2 Sabsorption of this radiation by the ambient medium, accompanied by an increase 3 I$ W8 R& m q/ Z6 din temperature, which results in the formation of the fireball (or other heated . N* u9 w: e9 h1 T+ L$ r# z4 ~0 Tregion) which then emits thermal radiation. (See X-Rays.) MDA GLOSSARY, VER. 4.0 T 299 Thermosphere The atmospheric shell extending from the top of the mesosphere to outer space; & W' y2 p4 V# r5 ?2 [$ nit is a region of more or less steadily increasing temperature with height, starting 9 h! @: C9 T% k) K' lat 40 to 50 miles (70 to 80 kilometers); the thermosphere includes, therefore, the exosphere and most or all of the ionosphere. Threat Characterization 7 h4 }2 h) n: R1 m& c' `An assessment of the nature, magnitude and intent of an attack in progress. ( {) c6 C: m( L) jThreat Corridor * y, \6 v$ m6 }! B(Threat Tube) : c( Y) T& H$ z' D) h1 ?A tube containing all the objects originating from launch sites and aimed at $ D4 H/ I" ~/ j6 ntargets whose spacing is close enough to permit the tube around the object : e7 e( d% J9 f+ S( jtrajectories to be represented by a single trajectory in battle management - I% z$ D! M D8 F" N- b% {8 acomputation. Threat Scenario A hypothetical example of the employment of threat systems against ballistic : a7 j9 | ^% `7 Z2 C, m8 |missile defenses for the purpose of analysis and evaluation of those defensive systems and architectures. Threshold Performance capability or characteristic level in terms of a minimum acceptable ( D" t& F6 n/ v- t$ y! Yvalue (threshold) required to satisfy the mission need and a performance 8 o4 r \/ m, s8 W& t) e. bobjective. & A% K8 d4 Q; r6 e" n. Z3 ]Threshold 8 ~6 H* G, W7 pDefense 0 A7 l- y4 O0 m1 @9 x6 RA 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. 2 E+ U! S+ }) y; l5 qThrusted Replicas (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. TI (1) Technical Instruction. (2) Technology Insertion. TIARA Tactical Intelligence and Related Activities. TIBS (1) Theater Information Broadcast Service. (2) Tactical Information Broadcast System. (3) Theater Intelligence Broadcast System. TIC (1) Thermionic Integrated Circuit. (2) Technical Information Center. 1 e$ y- i/ T0 w" PTIDP Technical Interface Design Plan. 1 X" f* f2 r9 G7 [TIE (1) Technology Integration Experiments. (2) Technical Independent Evaluation. # [. @6 a2 h7 b- Y% f" |Tier An integrated set of SDS elements that address a particular phase of the threat ! _1 }- ?9 W; X3 H(e.g., boost phase). Tiered Defenses The use of defensive systems at different phases of the missile trajectory. : d* v: |( ^2 I7 d5 [TIES Technology Integration Equipment System. TIIAP Telecommunications and Information Infrastructure Assistance Program. TIL Technical Insertion Laboratory. 5 R' q* ?7 k5 I9 A$ M* E5 NTIM Technical Interchange Meeting. 1 x* z0 g- K2 @: vMDA GLOSSARY, VER. 4.0 T 1 A, F1 C# R$ y7 c7 E5 W300 % T1 V `: k8 c/ H; _9 l1 ]Time-Phased B# ` y4 s: ~Force and 5 s' s, m- l3 P5 A q) P% {Deployment List Appendix 1 to Annex A of the operation plan. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of % h5 L4 m' G8 l6 _ ]0 E" @debarkation or ocean area. Time of Flight (Max) The maximum time for a booster or vehicle to perform its function from time of ; X" z5 _; u1 H/ a1 A+ T( i% S+ k% ~launch. 8 V" l1 A+ h( |/ F+ L9 cTime on Station The time the sensor is in its operating position. : O3 Y h/ \# R% E$ [, yTime Sensitive Targets ( }( X* h2 C" Z; l: n* RThose target requiring immediate response because they pose (or will soon & i" @ R' R( j, H+ R$ R( Hpose) a clear and present danger to friendly forces or are highly lucrative, 8 G0 [" t- T" ~. l! x# L& yfleeting targets of opportunity.

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Time to Station The time required to move a sensor to its operating position. 2 U9 f( @, M5 @# ]' `TIMS Training Integration Management System (USAF term). % ?) d; [" W( {1 m7 \# E9 |) o5 |TIN Theater Intelligence Networks. TIP TOPAZ International Program. TIR OBSOLETE. Terminal Imaging Radar. (Predecessor to Ground-Based Radar Terminal (GBRT).) TIRS Telemetry, Instrumentation and Range Safety 6 Z6 @* C) h/ g! c# ]TIS (1) Trusted Information Systems, Inc. (2) Technical Information System. Titan USICBM. ( t5 ~, v0 D) X6 a% j# VTIU TIBS/Tactical Interface Unit. TIWG Test Integration Working Group. (U.S. Army) U& @/ V4 H+ S# O; X. CTL Team Leader. TLA Time Line Analysis. . {2 P# H8 n! W0 vTLAM Theater land Attack Missile. 6 B& ?- J. T3 Y0 lTLAM/D TLAN [with submunition] Dispenser (Navy term). 3 x5 s" O8 J0 ATLDD Top Level Design Document. TLV Target Launch Vehicle. ; z3 B6 h/ H$ A7 \; X: FTLX Teletype. TM (1) See Theater Missile. (2) Technical Manual. (3) Tactical Missile (US Army $ i2 H$ [5 T# X+ z! c1 F+ `term). TMCC Test Monitor and Control Center. TMD See Theater Missile Defense. / [3 B% R$ @: j1 `TMD C2 Theater Missile Defense Command and Control. MDA GLOSSARY, VER. 4.0 T 301 ) x8 g3 n2 Z) a1 s# @TMD C 3 I Those assets that provide connectivity between and among Theater Ballistic Missile Defense forces. TMD ESM Theater Missile Defense Existing System(s) Modification (MDA term). 1 ~1 R% E/ [/ YTMD GBR See Theater Missile Defense Ground Based Radar (THAAD Radar). 7 r- V+ }2 X- w: ?% oTMD IA Theater Missile Interoperability Architecture. ' o8 J& Z$ T% f+ ]1 p( YTMD ITP TMD Integrated Test Plan. # l$ U+ g$ a1 L. C: O( j% D) y% g$ jTMDAS Theater Missile Defense Architecture Study. 4 { @8 |: Z4 ]. X" W0 XTMDC Theater Missile Defense Council. / y1 s2 o1 z, ^8 N/ l! H7 DTMDE Test Measurement and Diagnostic Equipment (ILS term). TMDI See Theater Missile Defense Initiative. TMDSE Theater Missile Defense System Exerciser. TMMM TOMAHAWK Multi-Mission Missile. - Q3 L( v2 p* M1 ~TMP Technical Manual Plan (ILS term). 8 O+ T' Y" Z: Y0 }4 U* Z4 MTMPCU Tomahawk Theater Mission Planning Center Upgrade. % Z, c- ^& S. P% i! T( U5 KTN (1) Terrestrial Network (C2E term). (2) Thermonuclear. 1 W; ^$ G A; T7 a" d$ ATNF Theater Nuclear Forces [Treaty term]. 8 K- i) x8 ]* N1 uTNT Trinitrotoluene. TNW Theater Nuclear Weapon. 0 p! K5 b' i9 ]. GTO (1) Task Order. (2) Technical Order. , m; v4 A& K' r% Q" I. ~TOA Total Obligation Authority. TOAM Tactical Air Operations Module. 8 F( W' R/ K: a$ WTOC Tactical Operations Center. TOE Table of Organization and Equipment. TOF Time of Flight. TOI Track of Interest. TOIA Task Order Impact Analysis. Tolerance The ability of a system to provide continuity of operation under various abnormal conditions. ; ]: ~1 P6 \+ u- V0 |TOM See Target Object Map.

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Tomahawk US ground launched cruise missile. MDA GLOSSARY, VER. 4.0 T 302 TOMD Task Radar Management Details. ; \; j8 d9 h s K( r/ iTOMP Task Order Management Plan. ! @, Q& d+ ?; h: L5 u9 MTOMS Total Ozone Mapping Spectrometer (NASA term). TOO Target of Opportunity. TOOL Target of Opportunity Launch. ! r2 @2 g: O F3 Q' \; QTOP Task Order Plan. - n2 U: r I2 J6 y% N, 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. : V. B% _& f: s- ~5 H# cTop-Down 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. 4 z; U, x& c" Q- GTop-Down q8 v( V% L1 @8 |, n! n+ x* cTesting The process of checking out hierarchically organized programs, progressively, from top to bottom, using simulation of lower level components. TOPAZ A project to demonstrate the transfer of Russian thermionic space nuclear power 0 U+ H; E' P+ k5 c# J Ntechnology to U.S. BMD applications. TOR Terms of Reference. TOS (1) Tactical Operations Shelter (Station). (2) Task Order Status. , U% E7 _5 ^& ]# J4 a) b8 TTOT Time on Target Total Obligation + l2 G+ R3 c& H. A* h& S! xAuthority (TOA) A DoD financial term, which expresses the value of the direct program for a given fiscal year. $ _9 E/ k: m+ _' R4 YTotal Quality Management (TQM) + x) G% @8 U- S! h* M7 w2 \+ _* hA management philosophy committed to a focus on continuous improvement to ) q% r8 v. E6 K2 e, ]product and services with the involvement of the entire workforce. 8 m! R5 F4 h; r5 T0 J1 V1 x* N* GTOTS Target Oriented Tracking System * z2 N9 U* h, Z" Q- a5 bTOVS TRIOS Operational Vertical Sounder. " w. F3 t' D( h! ^Toxicity The kind and amount of poison or toxic produced by a microorganism, or f9 e; {1 i d( q" ?: I5 [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. # z' Z1 y! b/ D; d2 C. j% `TPBM Terminal Phase Battle Manager. TPD Mobile Tactical Radar (US). TPDR Total Processing Data Rate (TelComm/Computer term). MDA GLOSSARY, VER. 4.0 T " N" }9 h1 n* R; i1 {4 g303 TPEC THAAD Performance Evaluation Center. TPEM Technology Program Element Manager (SDIO/MDA term). 8 a8 j; C% i/ a) ]TPFDD Time-Phased Force Deployment Data. TPFDDL Time-Phased Force Deployment Data List. , n- P Q! P3 x4 g$ @1 M u8 Z RTPFDL Time-Phased Force Deployment List. TPM Technical Performance Measurement. TPMT Total Preventative Maintenance Time (ILS term). TPO (1) Test Planning Organization. (2) THAAD Program Office TPP Test Procedure Plan. TPR (1) Terminal Phase Radar. (2) Trained Personnel Requirements. (3) Target Performance Report. 0 W9 O( M; A. z( v6 k! tTPS Thermal Protection System. TPT Theater Planning Tool. TPWG Test Planning Working Group. (U.S. Air Force) TQM Total Quality Management. Traceability (1) The characteristic of software systems or designs or architectures or domain models that identifies and documents the derivation path 9 m, B6 { s& r(upward) and allocation/flowdown path (downward) of requirements and - }/ M. b& J5 e" K1 i: G+ E" rconstraints. + B7 U4 w/ H) _4 H3 J1 G' Z, b(2) The degree to which a relationship can be established between two or more products having a predecessor-successor or master-subordinate relationship to one another.

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Track (1) A series of related contacts displayed on a plotting board. (2) To display or record the successive positions of a moving object. / M- V6 M( V% W. F# a6 `) x(3) To lock onto a point of radiation and obtain guidance from. 2 U9 ?! Y/ Y5 A0 [(4) To keep a gun properly aimed, or to point continuously a target locating - L# D- _- _5 ? Cinstrument at a moving target. 6 j) b# o9 v3 k/ j(5) The actual path of an aircraft above, or a ship on, the surface of the 3 F8 d8 R! M" Y( h$ |earth. / l0 W# a" U$ o$ \Track Assessment 4 W, u4 l" p8 W% G- mThe Track Assessment looks for anomalies in an object’s track data. An anomaly in the track may indicate a hit. % f& r! q- `9 Y' ]6 oTrack, Birth to 6 Q9 |+ u: z# U* dDeath D+ o" @& T3 vThe maintenance of an associated track through all phases of flight (i.e., boost : S% p7 @9 D p7 ~; {to reentry). Track Correlation The combining of track information for identification purposes, using all available data. + N) d: O* ^+ Y6 M4 [+ wTrack 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 / F7 a0 O; f4 R6 Tor place (e.g., reentry). 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 the above. Track File-Track + A/ W( R$ W' u) I. f( N# yHistory 8 s' I& u9 s: ? O5 G" qA set of individual track reports on a particular object, which taken together produce useful approximation of that object's future position in space. ' G( t8 ^9 x) M6 [7 g8 y iTrack 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. Tracking The act of generating and maintaining a time history of an object's position and + L9 b4 S0 U p% `& L8 `: Many other features of interest. 6 z# I# \, s% F, p: g, y0 eTracking and . s9 r- G) X7 o/ f: qPointing Once a target is detected, it must be followed or “tracked”. When the target is successfully tracked, a weapon is “pointed” at the target. Tracking and pointing are frequently integrated operations. 0 t$ m8 g3 W4 {Tracking Range (Max) 5 t% _( F) I m, AThe maximum line of sight distance at which a sensor can maintain track of an ( S$ q1 {2 F L2 D8 t! z" p( Zobject. Track Initiation The formation of the first or initial estimate for a sensor system of the state vector 1 n2 `- F, R$ K+ E+ Cof an object. The process typically requires observation from a number of ' v: h0 H1 x; R' ~* R' k/ ?frames. Track Production Area 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 ( o9 M2 ^, q z2 |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; p0 ?6 {8 n, v7 vlateral tell; overlap tell; and relateral tell. 3 E' }4 C4 j' M5 q! ITRADEX Target Resolution and Discrimination Experiment. : }7 U* n* ? p' i3 ZTRADOC U.S. Army Training and Doctrine Command, Ft. Monroe, VA. 1 o% R( V, R0 Y% w% G) d. QTraffic Capability 9 Z, [: T$ W2 x) L4 O7 X2 |2 V7 B5 n4 L, xMaximum The maximum number of objects per unit time which the sensor system can + G, Y3 \/ j4 _maintain track files. Traffic Decoy Decoy that matches RV characteristics in the exoatmosphere and high endoatmosphere. Train Threat geometry with objects placed in a line (string) along the velocity vector of + a0 h8 Z6 }& j% {$ nreentry. Trajectory The curve described by an object moving through space. * I/ r1 ?+ o# g/ I4 W* A. FTrajectory Histories # X- \1 s6 b( p) f0 G0 tTrajectory information on targets recorded over a period of time. : b7 P" J2 g% DTRAK 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 8 S% @! l& w0 N4 |TRANSCOM [U.S.] Transportation Command, Scott AFB, IL. TRANSEC Transmission Security. ! u7 J* U+ f# p+ o" O$ ETransition The period in which the world strategic balance would shift from offensedominance to defense-dominance. ?! x& O% A# e" T3 c5 CTransition to Production 3 _2 S8 R: s: i O' s% S$ [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 , s5 q z D- _) ?process consisting of disciplined engineering and logistics management to 6 p% v, ~( Y Z, w, h1 iensure the system is ready for manufacture. (See DoD 4245.7-M.) 2 `4 k r' k3 J0 U9 _: {Transmission % H. ?, @7 ?4 U0 y/ uSecurity (TRANSEC) 9 p' C, K! A* P6 P9 O6 DThat component of security, which results from all measures, designed to protect $ D+ I1 L4 i/ C& X; Rcommunications transmissions from interception and traffic analysis. (See " ~& [4 ?3 r1 fCOMSEC.)

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Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others. This is 5 M8 z) [' w: K, mencountered when passing from subsonic to supersonic speeds and vice versa. Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation. + B! N* ?* O3 g2 OTRAP Tactical Receiver and Related Applications. Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented. Traveling Wave + ?5 @ S5 _! `- I4 V5 Q' ?6 P/ W! {Tube (TWT) 2 R$ p5 p$ }8 b, g$ mAn electronic tube in which a stream of electrons interact continuously or repeatedly 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 $ J$ p3 m4 A$ Y( X) ?5 K0 B, Hstream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. Traverse (1) To turn a weapon to the right or left on its mount. (2) A method of surveying in which lengths and directions of lines between ) z5 W1 g1 M) J- {+ @' Y( hpoints on the earth are obtained by or from field measurements, and 7 V" c; Q7 J! {6 E( Mused in determining positions of the points. Traverse Level That vertical displacement above low-level air defense systems, expressed both as a height and altitude, at which aircraft can cross the area. % D" S& V* D" r( fTRB Tactical Review Board. TRD Technical Requirements Document. ( x N( R( w" y' E' U6 HTRE Tactical Receive Equipment. % h9 R1 G" v( X6 m6 d4 cTREA Transmit/Receive Element Array (THAAD). TREE Transient Radiation Effects on Electronics. TREM Total Radiation Environment Model. TREPS See Thrusted Replicas. + Z% E4 z* }4 uTRESIM Tactical Receive Equipment Simulator. MDA GLOSSARY, VER. 4.0 T 4 P& N) P7 x( D306 6 C/ k* R3 x- p+ l/ o5 q# e/ PTRG Threat Reference Guide. TRI-TAC Tri-Service Tactical Digital Communications System. 1 _ `4 I7 w3 c8 Q, ?& [* DTRIDENT Class of US ballistic missile submarines (USN term). TRIDENT I (C-4) US SLBM (USN term). O% Z2 ]! v! H0 PTRIDENT II (D-5) US SLBM (USN term). TRIM Toxic Reduction Investment and Management. TRM Technical Reference Model. , C5 I3 t7 i( r( t" `TRMP Test Resources Management Plan. TRN (1) Task Requirements Notice. (2) Test Requirements Notification. Trojan Horse A computer program with an apparently or actually useful function that contains - n7 I' n2 S9 Aadditional (hidden) functions that surreptitiously exploit the legitimate authorizations of the invoking process to the detriment of security or mission 0 V' R1 T" s! o3 U Wperformance. . J0 z4 R L+ Q( M! OTROPO Tropospheric Scatter. Tropopause The imaginary boundary layer dividing the stratosphere from the lower part of the 6 X" m5 t9 O3 j) l; T) ^% u+ vatmosphere, the troposphere. The tropopause normally occurs at an altitude of 7 }0 P7 y2 B) \, r) M; J# eabout 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the % `' f) r( c: o, K2 `9 Jtropics. (See Stratosphere, Troposphere.) Troposphere The region of the atmosphere, immediately above the earth's surface and up to ( R" Q% p; P9 r8 Uthe tropopause, in which the temperature falls fairly regularly with increasing " y5 s1 p" p4 X2 ealtitude, clouds form, convection is active, and mixing is continuous and more or " v5 E! b/ v! O, s4 P: f, Y( Wless complete. Tropospheric Scatter + R, p( Z5 b" U5 z3 ]' V* uThe propagation of electromagnetic waves by scattering as a result of 1 i2 l5 R. U+ Iirregularities in the physical properties of the troposphere. ( T% z2 ?5 W$ F5 |TRP (1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status). ' U$ z7 A# {0 i0 }4 @* D S(4) Technical Requirements Package. / L% \: e7 a7 P0 _5 YTRPC Technology Readiness Planning Committee. 8 ^- Y. Y7 D& V# n8 A4 ~6 ~TRR Test Readiness Review. Trusted " a# _. Y' E- |% s' R1 h: CComputer R* b( p [1 s WSystem/Software 0 z1 h6 F7 `2 I H: H4 _A system or its software that employs sufficient hardware and software integrity ! ?, g+ ^, J6 {1 Q6 Wmeasures 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 ) D% j' D" R% }* z; Xof the Trusted Computing Base and cannot be imitated by un-trusted software. 0 I& s% n* A+ V1 S ?0 @$ XTRW TRW, Inc. TS (1) Terminal Service. (2) Top Secret. MDA GLOSSARY, VER. 4.0 T 307 TSA Technology Security Analysis. TSD Tactical Surveillance Demonstration. " O- a& ?+ R! O. E$ uTSCM Tomahawk Strike Coordination Module (USN term). TSD Tactical Surveillance Demonstration. ) Y0 Z$ N2 V0 D7 XTSDE Tactical Surveillance Demonstration Enhancement. - G6 Y& k, ^! N, m6 x9 wTSEU Technology Seeker Evaluation Unit. 5 W2 w# D$ b1 H( Q, STsIAM Moscow’s Central Institute of Aviation Motors. TSM TRADOC System Manager. TSMA Theater of Strategic Military Action. 3 q: ?6 O, t7 v' @1 X. w: FTSP Target Support Plan. TSPI Time, Space, Position Information. TSR Target System Requirements.

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TSRD Target System Requirements Document. TSS Terminal Surveillance Sensor. TSSAM Tri-Service Standoff Attack Missile. TSWG Target Signature Working Group. TT Total Time. 4 {4 E0 j# M) }( `1 J8 UTT&C Telemetry, Tracking and Command. TT&E Technical Test and Evaluation (Army). & {6 l( l& z( q4 I2 @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 program, which funds the development and demonstration of technologies, . D! J. k# m# N& T: L- n( g8 N3 dwhich have significant potential for improving testing. 7 }( n. P1 {2 x4 P7 Z6 W) sTTEL Tools and Test Equipment List (ILS term). $ f, k( f: B. J9 e. ETTL Transistor-to-Transistor Logic. TTP Tactics, Techniques, and Procedures. TTSARB Technology Transfer and Security Assistance Review Board. TTT Test Technology Transfer. & y: Y! Q* z& ]' q* Q3 UMDA GLOSSARY, VER. 4.0 T % J2 {1 s3 m6 H* F- ^308 ( G t2 ^& Y' e8 I1 STTV Technology Test Vehicle. $ N7 E Y5 w$ ATTY Teletype. 7 ^' E' H" A$ C9 lTUG TRACE User Group. TV Thrust Vectoring (rocker engineering term). 6 g+ Y3 s/ s# ^0 B; lTVC Thrust Vector Control. . ]. c8 s( v: U- rTVE Technology Validation Experiment. TVM Track-via-Missile. TVV Technology Validation Experiment. TW Tactical Warning. TW/AA See Tactical Warning/Attack Assessment. ) F$ p8 s F( ]5 T; ?) ~TW/SD Tactical Warning and Space Defense. TWG Technical Working Group. + n0 B" u* s$ a6 S, L# i2 |- h) STWS TOMAHAWK Weapons System (USN term). TWT Traveling Wave Tube. " g% v2 g! ]0 r' M( BTWTA Traveling Wave Tube Amplifier. (Electronic Engineering term). ' }# w3 W, V' L( ~TY Then Year (PPBS term). TY$M Then Year Dollars Millions. Type A - System Specification States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical 2 o# ^/ ?. @- U2 }* B! Cconstraints are included. Type A specifications state the technical and mission ' A" |9 [' _5 T! U' nrequirements of the system as an entity. 9 F1 K: h) ^* |( q! _Type B - Development % p! u/ s' k9 Z2 k0 SSpecification , ~* {; E# A. t0 j- o. }: A' GStates all necessary requirements in terms of performance. Essential physical Y; Y! O# z% u3 r' x" T+ k1 oconstraints are included. Type B specifications state requirements for the . G3 C; ]5 ?" n3 g9 G) d5 Tdevelopment of items other than systems. They specify all of the required item functional characteristics and the tests required to demonstrate achievement of 3 v8 o+ z; [; Q" Cthose characteristics. Type C - Product Specification 4 a) t( y8 h* V1 ` C$ a+ t3 uProduct specifications are applicable to any item below the system level, and ' W, I7 q2 U) l+ y. y" k/ |" pmay be oriented toward procurement of a product through specification of 9 w( N! a ~+ bprimarily function (performance) requirements or fabrication (detailed design) requirements. Type C specifications intended to be used for the procurement of R! J: j+ ?6 }' J' nitems including computer programs. Typhoon Class of Soviet ballistic missile submarines. $ N0 O' h! C" |; a, Q& ITyping The act of recognizing objects by measuring a set of observables, computing a . y- s3 e7 A. m9 fset of characteristics, and associating the characteristics with a specific class of % B2 ~( E/ o( o, p6 A vobjects (i.e., SS-18, SS-24). # @- E' V j# n( ^; @5 T1 pMDA GLOSSARY, VER. 4.0 U + r6 v) j. g; p# ]7 [; n: J: }309 ) _; p; E1 b3 B5 ?/ X# t( tU Uranium. U&S Unified and Specified [commands] (pre-1996 term). U.K (UK) United Kingdom. U.S. (US) United States. 2 c5 S. i \% I- f2 BU.S. West U.S. West Incorporated. " G' l" r3 s1 u4 C7 `U.S.S.R. Union of Soviet Socialist Republics. 7 t4 P7 {8 J! D: `- nUA User Assessment (NMD BMC3 term). 8 t% f; \: K6 \, M6 X, r3 X4 @UAE United Arab Emirates. UAV Unmanned Aerial Vehicle. UAV BPI Unmanned Aerial Vehicle-based Boost Phase Intercept. UCAP UAV Combat Air Patrol. UCC Uniform Commercial Code (US legal term). 2 C3 a1 _3 j: y# Z# c1 L' hUCP Unified Command Plan. UD/ASD United Defense/Armaments Systems Division. UDMH Unsymmetrical Dimethylhydrazine (a liquid propellant rocket fuel). 2 C7 {$ z# }' | O) `UDS Universal Documentation System. A standardized comprehensive tool for stating and coordinating program requirements for testing MRTFB ranges, as well as the capabilities and plans of test ranges to support program requirements. It ) F X) W" ~! ]# A4 M# u' x# dconsists of a series of six planning and execution documents: 10 are the : u0 s- r; E5 V2 j6 S8 fProgram Introduction (PI) (also called the Program Introduction Document (PID)), 4 n5 r1 k+ j# D0 ^( U7 i2) 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 9 v9 c! X+ |! y- ?9 L, URange Commanders Council (RCC).

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UE Unit Equipment. " _% x( I: |+ T: d. g6 J( [; ?. kUEME Unified Electro-Magnetic Effects. 4 M' a! L3 z" ?( MUEWR Upgrade Early Warning Radar. UF4 Uranium tetra fluoride. * t* f) o/ }9 E* d0 L# L' bUF6 Uranium hexafluoride. MDA GLOSSARY, VER. 4.0 U % B! Y5 I0 x7 _310 ( L5 W+ \, F, d- BUFG User Focus Group. UFO UHF Follow-On [Satellite Communications System]. UFP Unit Flyaway Price. UGF Underground Facility. + J `4 y8 | a) Q7 G# A& fUGS Unattended Ground Sensors. 6 `* ^" N1 ? u: U1 D. V+ d) AUGT Under Ground Test. UHF Ultra High Frequency. UIC Unit Identification Code. 5 F) x6 \2 l2 mUIN User Interaction Node. ( g5 w, y `4 \" B# eUKAS (1) UK Architecture Study (2) UK Associate Studies. 1 _$ n+ E) ^' O8 U* Q; ]2 |0 AUKEADTB UK Extended Air Defense Test Bed. UKTB United Kingdom Test Bed. 6 p& y9 A( N \; _# b% GULCS Unit Level Circuit Switch (SINCGARS term). ULS Unit Level Switch. ULSA Ultra Low Sidebobe Antenna. , w4 Z* u3 C" o! DULTDS Unit Level Tactical Data Switch (SINCGARS term). ! \9 v: F$ m- @* c% J: [+ DUltraviolet (UV) Electromagnetic radiation of wavelength between the shortest visible violet (about 3,850 Angstroms) and soft x-rays (about 100 Angstroms). 8 @1 E6 R+ r/ L/ M; |4 m( Z# uUMD Unit Manning Document. UMMIPS Uniform Material Movement and Issue Priority System (ILS term). , k6 e9 D& A- q+ `UNAAF Unified Action Armed Forces. UNC United Nations Command. # {+ s& a! N9 e0 C: yUnconventional Warfare 4 D" I: ^; L% Z* G9 |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 and escape, subversion, sabotage, and other operations of a low visibility, ! p6 z( I) Q& e3 U; Hcovert, or clandestine nature. Unified Action ; K' p( d! ~; z H9 qArmed Forces A publication setting forth the principles, doctrines, and functions governing the activities and performance of the Armed Forces of the United States when two or + O( W9 F* i2 B- kmore Services or elements thereof are acting together. ( [4 Z7 V$ z! |; g3 d$ SUnified Command A command with a broad continuing mission under a single commander and composed of significant assigned components of two or more Services, and 6 P G6 G" h! m6 X# wwhich 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 ; {" G- j$ n0 V6 r+ K) X311 $ m; `, A8 R4 MUNISYS UNISYS Corporation. United States c' e& B( S* t0 n5 [Army Space Command 3 ]9 e9 D8 q' n! y' A2 Q(USARSPACE) The Army component command of USSPACECOM. Responsible for the Army elements of the SDS system. Located in Colorado Springs, CO. $ W( G6 Z2 B8 v" Z, ]/ W; UUnited States 8 ~) O# n, B# B. c& Q4 l {Space Command - P& @" w5 x4 l9 o2 L* z& W. h/ @(USSPACECOM) 4 Y! x7 j' e% V& Q* @The unified command responsible for planning and conducting ballistic missile 3 k# p- ]; f5 l( W0 @' b9 rdefense. Located in Colorado Springs, CO. 6 V1 z0 s" H( g, e# [* c5 NUnited States ! B, j& ]$ O: a! M3 a1 GStrategic 9 I9 o+ J; f4 I% T2 v0 r2 zCommand * P* h" {3 B5 I Q7 [(USSTRATCOM) The DoD unified command responsible for carrying out directed nuclear and nonnuclear strategic air, intercontinental ballistic missile, and sea-launched ballistic missile offensive combat strikes. Located at Offutt AFB, NE. United States Transportation & {" U2 i" u6 a2 }4 B1 ACommand (USTRANSCOM) z, D% \8 W% F/ ~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 war. It is also responsible for providing airlift, sealift, surface transport, and terminal services, and commercial air, land, and sea transportation, including as ' z: G' o" z+ j3 q2 h- }# P- Xneeded to support the deployment, employment, and sustainment of U.S. forces ' M, Z- k2 M8 z3 b: D2 |on a global basis, as directed by the Secretary of Defense. Located at Scott AFB, IL.

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Unk Unknown. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be 4 v% z- v% p+ j3 l7 Nindistinguishable from a single object. UNSC United Nations Security Council. 1 x& K4 K; b# @UnSecEnergy Under Secretary of Energy. UOC Usable on Code (ILS term). UOES See User Operational Evaluation System. ' ]6 }* C8 M A, i7 S cUPD Unconventional Passive Discrimination. UPS Uninterruptible Power Source. ; S: X/ E) @9 h$ y4 M. G! H" JUQT Unit Qualification Training (ILS term). URIP University Research Initiative Support Program. / c3 W4 _3 ]3 ]/ |+ MURL Uniform Resource Locator (internet protocol term). URT Upgraded RTD. US/UK United States/United Kingdom. 3 K2 d% ]! e# @0 D: V" l5 b ^5 Y4 iUSA (1) United States Army. (2) Under Secretary of the Army. 1 D: f1 P4 v" k9 P4 tUSAADASCH U.S. Army Air Defense Artillery School. % J$ Z. l* s- wUSAAE U.S. Army Acquisition Executive. MDA GLOSSARY, VER. 4.0 U - m9 v; y% Z% [6 z# C! l312 USACE United States Army Corps of Engineers. ! g# ~5 ]+ q& A3 [9 n% L( ?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. USAF/AFMC/SMC U.S. Air Force Materiel Command, Space and Missile Systems Center; ex-USAF Systems Command /SSD. * P" Q! T! v- @9 h# a0 VUSAF/OTEC U.S. Air Force Operational Test and Evaluation Center. ( [+ l5 l7 j+ y3 \ N9 N" p: PUSAF/SMC U.S. Air Fore Space and Missile Systems Center, Los Angeles AFB, CA. # O8 p+ C: F* S. Y8 @3 Y& MUSAF/SSD U.S. Air Force/Space Systems Division; See USAF/AFMC/SMC. USAFE U.S. Air Forces in Europe. 2 j z& Y8 c6 L1 H' N2 VUSAFLANT U.S. Air Force, U.S. Atlantic Command. USAKA U.S. Army Kwajalein Atoll. USAMICOM U.S. Army Missile Command, Redstone Arsenal, AL. USAMSIC See MSIC. USAMSAA U.S. Army Materiel Systems Analysis Activity. 4 H+ r" G" S" c" |4 NUSAOEC U.S. Army Operational Evaluation Command, Alexandria, VA. USAOTEC U.S. Army Operational Test and Evaluation Command. # O/ o3 Y. o1 W: tUSARCENT U.S. Army Forces, U.S. Central Command. USAREUR U.S. Army Forces, U.S. European Command. USARLANT U.S. Army Forces, U.S. Atlantic Command. USARPAC U.S. Army Forces, U.S. Pacific Command. USARSPACE See United States Army Space Command. # {% L/ W e$ F7 x& k' K3 E5 Y: [. u8 AUSASDC U.S. Army Strategic Defense Command (<1Oct 92). USASSDC U.S. Army Space and Strategic Defense Command, Huntsville, AL : }' r1 `/ E3 bUSATECOM U.S. Army Test and Evaluation Command. 6 Y6 j/ a: a) z! L nUSATRADOC U.S. Army Training and Doctrine Command. USB Upgraded SBD. / P# X2 r* s. XUSC U.S. Code. USCENTAF U.S. Central Command Air Forces. & s3 c' B9 A6 P+ B% F9 ^MDA GLOSSARY, VER. 4.0 U % H: {# c5 Q$ V313 USCENTCOM United States Central Command, MacDill AFB, FL. : B8 j; ^. J& r' {USCG United States Coast Guard. USCINCCENT Commander in Chief, U.S. Central Command. USCINCEUR U.S. Commander in Chief, Europe. 0 v& W2 `$ a. D% `, rUSCINCLANT 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. USCS U.S. Customs Services. . Y; N6 M" M. ^4 AUSD Under Secretary of Defense. USD(A&T) Undersecretary of Defense (Acquisition and Technology). USD(A) OBSOLETE. Under Secretary of Defense (Acquisition.). USD(A)/STNF Under Secretary of Defense, Acquisition, Strategic and Tactical Nuclear Forces. ; s9 \) X! Z" ]0 ]2 DUSD(P) Under Secretary of Defense for Policy. % C0 F9 a# G6 u3 A8 ^& NUSDA United States Department of Agriculture. ) X8 p" B; g" }( r3 y7 bUSDAO U.S. Defense Attaché Office. USDELMC U.S. Delegation to the NATO Military Committee. USDR&E Under Secretary of Defense for Research and Engineering. 0 j& b& ]8 I8 L/ _& _- O1 f; `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 4 y+ g3 _4 w: v' E$ poperate it successfully and easily. 8 |7 s" V. ]' {5 O- D: s$ MUser Operational + U ?7 P8 }5 P* K+ T* qEvaluation System (UOES) Prototypical system developed and tested as part of the early phases of the development process. A UOES has two objectives: (1) testing, evaluation, and ! R8 h6 u2 V0 n1 z4 |* @training for a system proceeding through the normal acquisition process; and (2) contingency defense capability should the need arise prior to completion of the , d# j% L1 f0 v$ _; i0 E5 Cnormal acquisition cycle. / R; ]0 `; Z0 l+ s) R5 RUSEUCOM United States European Command, Stuttgart-Vaihingen, Germany. USFJ U.S. Forces Japan. USFK U.S. Forces Korea. USFK/CFC CSFK Combined Forces Command. 5 y( W& T8 R0 dUSG U.S. Government. - C1 U+ k; `# F |8 ?; X- GUSIA United States Information Agency.

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MDA GLOSSARY, VER. 4.0 U ( ^$ I9 x5 V& Q4 y5 F0 t+ ^314 & h2 r- B: e) C: `* {9 K8 O# E2 OUSLANTCOM United States Atlantic Command (Now see USACOM). USLANTFLT U.S. Atlantic Fleet. USMAR- FORCENT - B% F" U S" QU.S. Marine Component, U.S. Central Command. 3 U# [8 D. e9 T9 Q. xUSMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command. USMAR-FORPAC U.S. Marine Component, U.S. Pacific Command. USMC United States Marine Corps. ! A2 _' n& ~( ]USMCR United States Marine Corps Reserve. USMILREP U.S. Military Representative. B# N C5 C* d; n1 ]" Y! UUSN United States Navy. . V4 L! j7 c g2 }( FUSNAVCENT U.S. Naval Forces, U.S. Central Command. USNAVEUR U.S. Naval Forces, U.S. European Command. 4 g! q6 H9 g, v7 x$ G# p$ NUSNIP U.S. Naval Institute Proceedings. . K* \: R0 s/ q* B* dUSNO U.S. Naval Observatory. USNPGS U.S. Naval Post-Graduate School. USPACAF U.S. Air Forces, U.S. Pacific Command. % n0 O& H4 q2 [! [- pUSPACFLT US Pacific Fleet. USPACOM United States Pacific Command, Pearl Harbor, HI. 2 |( F4 N) g0 X. n! d! FUSREPMC U.S. Representative to the Military Committee (NATO). USSC United States Space Command. USSOCOM United States Special Operations Command, Tampa, FL. n+ f/ `' S- h8 vUSSOUTHCOM United States Southern Command, Panama Canal Zone, Panama. USSPACECOM See United States Space Command. # Z+ P! v0 [( L- \USSS United States Secret Service. USSTRATCOM See United States Strategic Command. 3 \( ?+ d2 x8 Z! u, z3 F7 X* ~& mUSTA United States Telephone Association. 0 m' H3 D! |6 y! i; [) _USTRANSCOM See United States Transportation Command. 3 X. o0 q8 q" \- i0 w4 ~1 L' yUT Universal Time. 9 I* s4 b% V' d3 f3 ?UTC Unit Type Code. " U7 m# d- T& }$ } \2 e! U, l$ TMDA GLOSSARY, VER. 4.0 U & z l' h( @0 N315 # x# a4 S; F C* F4 I+ jUTM Universal Transverse Mercator. / d( b: }0 `* M) N( sUTTMDS Upper Tier Theater Missile Defense System. See THAAD System. ^9 a' ?5 Q0 F, t; Z' hUUT Unit Under Test (ILS term). 7 a3 M1 y: [' q: b) ?UV Ultraviolet. + F, o4 z. y6 l, ~% a3 `1 s' v E; `UV Electro- Optics 0 y/ r! @' _) X3 f* jTechnologies/techniques employed by optical sensors in the wavelength spectrum shorter than visible (e.g., less than 4,000 A). : F% \' U! i! W9 R9 FUVPI Ultraviolet Plume Instrument. ) S( Z f" T$ n- ]" e& o- [UW Unconventional Warfare. % o" l% ~& C1 G2 [MDA GLOSSARY, VER. 4.0 V 0 O( C4 M, r# P5 P0 e/ F316 V Volt. V&H Vulnerability and Hardening. V&V Verification and Validation. (See Verification, Validation, and IV&V.) 8 ?9 F6 v4 R1 z! x) QV/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, ( {4 M+ @% |4 _, D4 A1 Xtactical situation, system design, tactics, and threat. VAMOSC Visibility and Management of O&S Costs. 9 p) F, `) ]0 ~- c" W1 K i5 DVAR Visitor Access Request. Variability The manner in which the probability of damage to a specific target decreases " z! {' F& R' qwith the distance from ground zero; or, in damage assessment, a mathematical 1 I' s: a/ r, v$ x) X; B: g' }2 sfactor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered. VBO Vertical Burn-Out (velocity). 6 ^: b5 t# ], u' RVCC Voice Communications Circuit. VCRM Verification Cross Reference Matrix. VCS Voice Communications System. 3 [6 d$ G# H/ [3 K& XVDC Volts Direct Current. 2 j7 Z3 b+ i$ M4 V' wVDD Version Description Document. VDU Visual Display Unit. ; N; r& K+ }. |! bVE 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, 2 i. z' t Z* Y' ycalculations, logic, and interactions of the system under evaluation. (2) The process of evaluating a system or component during or at the end - @) P0 f0 \! t) d% \' ]8 `9 wof the development process to determine whether it satisfies specified requirements. VESA Video Electronics Standards Association. VFR Visual Flight Rules. $ u* |) U: x+ x! u3 wVGA Video Graphics Array (Telecomm/Computer term). VHF Very High Frequency. ; @) D/ ~1 v2 |0 Y- lVHSIC Very High Speed Integrated Circuit. , \) V& D4 M' iMDA GLOSSARY, VER. 4.0 V + L8 l0 q! R5 ]7 u- Q8 a317 VIDS Vehicle Integrated Defense Software (USA term). VIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D " S3 m1 m! n7 F# o0 [. P$ ~Experiment. 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 : n) F% k7 O) I$ U) [9 l1 \cameras capable of tracking targets that can be detected, identified, and 5 T# ^0 f' a4 |& D; l+ d. n S; yprecision-tracked with the ANTE processor. VIM Vibration Isolation Module. VINSON Encrypted Ultra High Frequency Communications System. ! |& Z& r1 w. t1 ]3 ]" S1 F4 U0 lVIS Visible. VIS/UV Visible/Ultraviolet. Visibility Range (or Visibility) # Z5 K9 y/ E" uThe horizontal distance (in kilometers or miles) at which a large dark object can 1 x2 Z3 ^8 o$ e: w0 `) Tjust be seen against the horizon’s sky in daylight. The visibility is related to the 7 t3 y$ d3 g3 m8 |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 3 [" N0 f1 Q# K; l$ A- a1 g5 |or fog. The visibility on an average clear day is taken to be 12 miles (19 * ]; U3 w3 V9 j# h$ m9 O* i7 W, Ekilometers). ) Z: k6 O4 u7 b: d8 b* ?! \Visible Electro- 6 K/ B0 k& @- f- pOptics / O' h5 w0 I* b! G' @: d+ nTechnologies/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. 9 e" D+ F+ n* K* `% ~VLOS Vertical Line of Sight.

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VLS Vertical Launch System. 5 s$ T8 ]' H' u# @$ ~VLSI Very Large Scale Integration. VLSIC VLSI Circuits. 1 o% n$ s4 ~" H7 V: G% z5 IVLWIR Very Long Wavelength Infrared. VME Versa Modular European [standards]. ! P8 j4 U' g8 XVMF Variable Message Format (Telecomm term). VOX Voice Actuation. & @. ?% G7 l1 f7 C5 p4 t% bVRI Vanguard Research, Inc., Fairfax, VA. 6 J4 V1 D! j9 [, w# W7 o+ s5 { ]VTC Video Teleconference. 3 v$ B) h; X2 p( _+ h4 nVTOL Vertical Takeoff and Landing [aircraft]. ' ?4 X1 P- J; L" y/ E5 ~VTOL-UAV Vertical Takeoff and Landing Unmanned Aerial Vehicle. VUE Visible Light/Ultraviolet Experiment. MDA GLOSSARY, VER. 4.0 V / V! c9 O3 J$ q4 R3 Y318 6 [2 z- z2 ^3 i& Q/ iVulcan UK bomber. VV&A Verification, Validation, and Accreditation. VVER Pressurized water type nuclear power reactor. 5 a4 G) n4 a |7 i, ~2 N& c8 XVVIRF Verification and Validation Information Request Form. 1 p. a# R( U, J; ^+ J1 vMDA GLOSSARY, VER. 4.0 W 319 \" a9 |% b6 {' GW/ With. w/o Without. W/TD Warning/Threat Detection. 6 `& [6 ?% B5 ^4 F' d9 |WAA Wide Aperture Array. 6 s2 A2 k& {1 xWALEX Warfare Analysis Laboratory Exercise. 5 ^! z5 l- n, RWAM (1) Worldwide Military Command and Control System (WWMCCS). (2) Wide Area & d- X2 B0 G: G2 I' ~" W" @5 r* iMunition. (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 $ V$ L- X* e2 mopposing forces, using rules, data, and procedures designed to depict an actual # ]) m! d& _2 O8 C- |- O/ |1 Eor assumed real life situation. : |& Z. k# L o jWargame 2000 Title of MDA program for development of a state-of-the-art simulation tool at the 5 J. }/ T2 B4 v8 YJNTF for use in CONOPS validation, missile defense program design verification, A; a1 b+ F; S1 m( i# Kvalidation and accreditation, and support CinC/Allied wargames and assessments. 8 a9 V0 W' [( `1 B6 C1 Z8 o# nWarhead 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 : Z$ |8 f# ^0 u) ~components. ( [- ^6 [4 o$ q, \WARM Wartime Reserve Modes. O% B& `: @ q7 ?4 R- L4 IWarning of Attack A warning to national policymakers that an adversary is not only preparing its ! O! [) N+ Q! z2 S( z( e! farmed forces for war, but intends to launch an attack in the near future. 4 N3 I! `) I0 M7 r' c4 o gWarning Order A preliminary notice of an order or action that is to follow. - |1 t0 x6 ?2 r& UWARSIM Warfighter Simulation (US Army term). * A) c% @* H( [/ M2 r3 ]WARSIM 2000 Warfighter Simulation 2000 (US Army term). Wartime Reserve . D6 W/ G! X6 V+ x" O- ]% CModes (WARM) 0 ~9 \# j0 c( F1 u s0 w* ~" q" WCharacteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems that (1) will 7 p) R& }5 H( _0 i# X/ L, i, Y- Ccontribute to military effectiveness if unknown to or misunderstood by opposing commanders before they are used, but (2) could be exploited or neutralized if ( W7 S3 n1 O. z; A: d+ Eknown in advance. Wartime reserve modes are deliberately held in reserve for wartime or emergency use and seldom, if ever, applied or intercepted prior to . e2 L! A( O+ s3 u" L/ r$ Jsuch use. ' K! ^, D0 { `' DWAS Wide Area Sensor. / O: U2 q1 H3 F6 ^# VWASP Wide-body Airborne Surveillance Platform. A modified DC-10. , T5 L6 I9 ?+ n2 }7 w! {MDA GLOSSARY, VER. 4.0 W . B; d4 l" j, Z- ^. g+ e( H7 M; C2 V320 WASHDC Washington, District of Columbia. Wastage (Max) The maximum number of defense weapons which, when used, will be ineffective ) O: q' M/ Z6 v) p6 ~3 |3 }in contributing to the defeat of the offense. Watch Condition (WATCHCON) 1 o3 E; }1 i9 F+ R6 ]7 j) H4 c6 nSeries of readiness conditions used by the intelligence community to alert staffs to watchfulness without raising DEFCON. 3 f1 V& O' z6 w+ f1 X- M' H0 h( cWATS Wide Area Telephone System. ; c6 u1 b( Y1 m WWAVE Wideband Angular Vibration Experiment. 7 A: D: J* F& EWavelength The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation. : X5 A& o* _! Z3 [$ t6 GWB Wideband. , F3 u$ x( q% }WBM Weapons Battle Manager(s). 7 T5 M; e+ y7 a% m' t. ?: n R& j/ DWBS 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. WCS Weapons Control System. " `: ]: [" d2 }5 H1 X% ~0 N6 L! J$ VWDM Wavelength Division Multiplexon. ^! ]; p+ U/ I9 [9 ^- Z' }# T5 kWeapon Enabling The set of control functions without which defense weapons cannot be % A9 T+ S$ e _% {% c! X5 Glaunched.