航空缩略语词典

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Kinetic Kill W! L8 x9 y# N7 [Vehicle Integrated Technology Experiment 8 c8 c$ \* [) ~+ ~+ g(KITE) 3 }0 M3 v( ^ Z# cA series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated ' r* u* b2 v6 G STechnology Experiment. KKV Kinetic Kill Vehicle. ) D' K2 P4 }- p* BKKVWS Kinetic Kill Vehicle Weapon System. 1 k+ I) F- g5 `2 C' I* e JKL Kill Level. Km Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. 6 ?& v; f# C. s1 l7 p! N; ~$ W( UKMRSS Kwajelein Missile Range Safety System. KPP Key Performance Parameters. ( _' F2 g2 q5 n0 a2 P; FMDA GLOSSARY, VER. 4.0 K 159 2 @! E5 y) q* J2 f* Z2 QKr Krypton. 2 u0 h8 q! B! o6 G" AKREMS Kiernan Reentry Measurement System. ! I# {* @1 W/ n/ wKSC Kennedy Space Center, FL. : H. ]# Y& Y O, q3 \; eKt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. ' x, \9 m& H0 c& e9 xKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. . L% g* U7 F# a+ {) x/ kKts Knots. 8 ]% k0 Q) T' f+ R. F4 SKV Kill Vehicle. kw Kilowatt. KW Kinetic Warhead. ' Z8 ^' J! p, M% I* _, XMDA GLOSSARY, VER. 4.0 L 7 F' `/ o! l9 |- Z% ~3 V161 & ]# f/ n- N0 _/ EL&TH Lethality and Target Hardening. : V0 o5 X9 P9 l0 f, XL1SS Level 1 System Simulator. z0 ?( s2 X3 b4 J' uL2SS Level 2 System Simulator - NTF. $ N4 c! \# K8 I$ z) _; L- aLAA Limited Access Area. 5 A7 c5 ]7 Q' ^9 Z% q& HLAAD Low Altitude Air Defense. 3 W0 M1 t. m hLAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. % v7 ^, |/ K/ e0 dLABP Look Ahead Battle Planner ! W' K H9 Y; M. ]4 @" @1 M. vLAC Low Authority Control. 3 {( b0 a: b5 W$ W. FLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched 0 X4 z3 ^% G# E1 `February 1990 and turned off July 1993). LACM Land Attack Cruise Missile. LADAR Laser Detection and Ranging. ! p, P1 ]" q* p2 V3 Y+ jLaddering Down A hypothetical technique for overcoming a terminal phase missile defense. : w6 g: C5 }" j& x7 l% c4 _Successive salvos of salvage-fused RVs attack. The detonations of one salvo ! G/ L6 z+ ~. p# ?1 Xdisable local ABM abilities so that following salvos are able to approach the ( Y! a) b% Q5 ?) l7 J& `1 g0 X8 i# |target more closely before being, in turn, intercepted. Eventually, by repeating # @( z# j" d$ xthe process, the target is reached and destroyed. * f2 `4 }2 Y7 G, X. \LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. $ e2 a q, ^3 r1 CLAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. 4 ?' z, o: N9 A) h* ^- q2 YLAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). 9 D% N# N5 i; Q: U3 LLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. : b d, y3 X$ F/ G, W3 [% qLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. # K/ i B4 Z, L5 v) C" x! L U; GMDA GLOSSARY, VER. 4.0 L & B/ Y. N$ Q; P; N162 Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct and control high power beam weapons/systems with large coverage, or to + ^: W, U9 P. xprovide high resolution or high sensitivity for detection and/or imaging. 3 \1 T! l! v6 m) X: ]+ sLASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be , s+ C8 y# |3 j5 R4 A2 Jused as lasants; these can be in solid, liquid, or gaseous form (consisting of \, Q1 v3 W. m9 m$ |6 t) wmolecules including excimers or atoms) or in the form of plasma (consisting of % C% ^, u9 m6 D2 ?, K9 {ions and electrons). Lasant materials useful in high energy lasers include carbon 9 D2 S% I' G( |; }2 k' _dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. LASE LIDAR Acquisition and Sizing Experiment. " \- v) @. y) ~0 _7 L) [# E. @Laser An active electron device that converts input power into a very narrow, intense beam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. 9 s+ W, v% [0 ~+ _Laser Designator A device that emits a beam of laser energy to mark a specific place or object. Laser Detection and Ranging (LADAR) ; A" y& c2 k2 MA technique analogous to radar, but which uses laser light rather than radio or microwaves. The light is bounced off a target and then detected, with the return / K6 i: ]9 h) z8 n) pbeam providing information on the distance and velocity of the target. Laser Guided Weapon % C! T9 C5 w" w, fA weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance 0 f8 k. y: H9 B! xcommands to a control system. The control system then guides the weapon to the point from which the laser energy is being reflected. Laser Imaging Radar ( ]$ \8 k. ~% A6 z" k2 m1 pA technology whereby a laser beam can be used in a way similar to the use of a radar beam to produce a high-quality image of an object. Laser Optics Technology associated with the use and control of laser beams with flux greater $ y& R- y( c6 m, ^) N5 x Ithan 1 watt/cm2. + u# x& _' a, w# VLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected 8 _: M8 S" p% Y8 g6 w" cfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. Laser Target 6 Y, n! V/ [) ~1 l6 wDesignating ( |* b% h, i9 l/ L# Z* aSystem A system that is used to direct (aim or point) laser energy at a target. The ; J' y9 s% n5 m. l5 zsystem consists of the laser designator or laser target marker with its display and $ b0 `: _1 h ^, E! p" {control components necessary to acquire the target and direct the beam of the / s3 C1 ~9 W# v- x' Plaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated 6 u6 J: I6 }5 mand defines the direction of the target relative to itself. ; o' }9 m ^) i1 RLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent & `$ @ b0 t6 U1 ?9 [* w2 zradiated power greater than 1 MW. LASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) Launch Detection Initial indication by any one of a variety of sensors that a booster has been $ B0 o# \. |. ^" c# Slaunched from some point on the surface of the earth, with initial characterization ?" s- w% o5 |2 e/ @$ o$ A0 cof the booster type. (USSPACECOM) Launch Point Determination 4 L! G3 P# |5 E9 n) cWith computer methods, uses missile track observation to estimate the point on 7 ?5 {: V9 R7 \& S0 k8 C5 \the earth’s surface from which the missile was launched, expressed in terms of 1 \5 P# ^' [" E5 @; ycircular error probable. {/ u7 l' S6 W9 VLaunch Under Attack (LUA) ' R& }) a- h- I5 h! RExecution by National Command Authorities of Single Integrated Operational / A1 v n& ?% WPlan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. Launch Verification - l) b% m1 y% p& `9 X# Q8 ^2 SConfirmation of a detection of a booster launch by receiving a report from a sensor separate and independent of the sensor that initially detected a specific . O4 r. s# j9 y( g7 cbooster launch. Layered Defense A defense that consists of several sets of weapons that operates at different 5 z. H9 [) f4 p/ b, F; t( Dphases in the trajectory of a ballistic missile. Thus, there could be a first layer (e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). : q6 S) ]7 g/ A# llb Pound. 0 U' x0 Y; d( G [LBL Lawrence Berkeley Laboratory, Berkeley, CA. 2 s- C r5 a, n1 A8 BLBM Localized Battle Management/Manager(s). - d8 F w% e6 L0 ^5 o. l& A* e2 PLBTS Land Based Test Site. ( h" D6 e1 S9 t8 uLCC (1) See Life-Cycle Cost. (2) Launch Control Center. . k) X( j$ Q+ ^* ]; FLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component - V5 ~ z& K. F( gCommander (JCS term). LCCS Life-Cycle Contractor Support. * V6 T9 T3 }7 H! NLCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). % ]; Y' z! |' d+ qLCOM Logistics Composite Model. % o3 H; i4 ^& K8 b6 t5 a- yLCN Logistics Control Number (ILS term). - K; E+ Q5 D6 N0 p; F( ]) K1 `LCS Laser Crosslink System. 1 T$ T6 V3 R: Y( y6 }4 T; l, ELDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited 5 S5 y" v8 _7 X- B% K3 d+ RDefense System. ( v' ]& p! F) }) QMDA GLOSSARY, VER. 4.0 L % i, ]0 w% }2 {# Q( h; ?164 LE Lethality Enhancer (PAC-3). Lead Component/ 2 P t. ]* C2 j' r% i1 W8 F0 TService 5 C0 c% J8 `; GThe DoD Component designated by SECDEF to be responsible for management 1 e5 q& C1 Q6 V* i0 Aof a system acquisition involving two or more DoD Components in a joint program. LEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a ' H6 u5 p8 X0 r% Spercentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. + E$ r, y/ B. ^7 n. J$ M9 WLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed 6 o8 I5 w) \5 h; p9 Has a percentage of the design-to threat. To ensure overall system performance, 4 {' w8 m5 i; opermitted leakage is “budgeted” among individual BMD phases and functions. - h d7 Q# O; d3 |LEAP Lightweight Exoatmospheric Projectile. LEASAT Leased Satellite. ! U9 W6 a7 \% e- qLeast Privilege This principle requires that each subject in a system be granted the most - }5 e/ w5 f4 Q+ krestrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. 2 K* [ Q# g" T) x8 t% lLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. 7 _3 |4 a2 }* k7 V3 L. K X; t(2) Link Eleven Display System (USN term). - j; y, F, l8 E, V+ e, o- Z$ oLEI Low Endoatmospheric Interceptor. 7 _ K5 ~: b' h- X# k, t3 eLEIP Link Eleven Improvement Program (USN term). 3 \# y' b8 b) B! _4 [- tLEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). 7 n) f: D4 `9 l9 v, {8 @LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. % @( H. F. ^0 z M& \6 SLevel of Effort / D2 s6 i/ T$ |8 c(LOE) 1 n2 @( e4 I5 l5 W8 H! r. xEffort of a general or supportive nature that does not produce definite end ) B$ M3 ^4 p. E4 aproducts or results, e.g. contract man-hours. 3 W" p: [8 _8 ]# l$ ^; DLeverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This could provide a favorable cost-exchange ratio for the defense and would reduce stress on later tiers of the SDS. (2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. u& G- h5 u3 nMDA GLOSSARY, VER. 4.0 L 165 LFIE Live Flight Integration Exercise. LFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. + a4 C2 _& U. `/ `+ A8 }+ Y# ]LGB Laser Guided Bomb. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. 2 z7 X$ ^/ {1 m; b2 f5 r3 nLGSM Light Ground Station Module (USA CECOM term). 6 k2 X; P9 V! y5 I }, ILHO Amphibious Assault Ship. Li Lithium. 5 G, j& ?" X4 L7 A8 q9 N$ kLIC Low Intensity Conflict. LIDAR Light Detection and Ranging. Life Cycle (1) The total phases through which an item passes from the time it is initially $ t3 w# _2 ~0 X5 \' o" Kdeveloped until the time it is either consumed or disposed of as being . b; u/ e3 J- k- _: E7 l I$ g( d) @" Texcess to all known materiel requirements. 9 {+ Z0 @, e% r8 h' {# z% C* a8 f0 `2 i(2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. ; B5 |4 B, t4 Z- U& {Life-Cycle Cost ) c- J F& H, g D(LCC) The total cost to the Government of acquisition and ownership of that system 1 E0 I6 u3 q) w, q" iover its useful life. It includes the cost of development, acquisition, support and, 2 u# s4 B7 u) K/ {, `9 bwhere applicable, disposal. * D8 q$ w7 j# qLife-Cycle Management 5 P& X- J4 ~) x UProcess for administering an automated information system or hardware support system over its whole life, with emphasis on strengthening early decisions which shape costs and utility. P8 Z p X* mLife-Cycle Model A framework containing the processes, activities, and tasks involved in the development, operation, and support of the system, spanning the life of the # V. a( ~& L9 K2 L5 l6 }system from the definition of its requirements to the termination of its use. , G- F S/ P7 F0 C+ T. X8 z9 qLife Cycle of a Weapon System All phases of the system's life including research, development, test and 5 `1 R8 e+ ^% H- t; y$ g2 hevaluation, production, deployment (inventory), operations and support, and disposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental protection functions. 6 f0 z% ^0 r) ]: y& @: kLight Detection and Ranging (LIDAR) A precision probing instrument used to measure concentrations of different . F+ g |0 b* d' H) s& rgasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) - K* D$ B$ A& ]( |4 h% CDecoys that, by virtue of shape, closely approximate an RV’s signature with little off-load penalty. 7 J/ M# I, }* `8 oLIMIDIS Limited Distribution. $ T; X4 a7 {. Q1 a* KMDA GLOSSARY, VER. 4.0 L - w+ W. K) i4 n) v( `+ P166 5 e6 s8 @! m/ X1 _5 ILimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 9 A: g9 `- H' }' b+ Hgeographically distinct. Not an all-out attack or mass wave. Limited Defense # P6 r+ \8 u/ O+ x3 fSystem (LDS) + C1 W/ ]& o! U9 fThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the % Q1 E* q, U2 |. s$ H. A% tUnited States against limited ballistic missile threats, including accidental or ) Q% `% C+ ~/ [. s1 I2 y6 Eunauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. * o' ?$ q! W8 S7 K" mLimited 3 D& B6 b3 C" E7 q& UOperational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. Limited + \8 X. E: X$ V( ` T7 s) FProduction The initial production of a system in limited quantity. Part of an acquisition strategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) " M3 Q0 @$ C* A# OLimited Test 9 l. I" o! e3 d2 E/ _' SBan Treaty The bilateral Treaty signed and ratified by the United States and the (former) U.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause ) \5 }( Z/ k8 b9 [radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. 5 ^8 e0 t t E5 s) r! MLIN Line Item Number. k! P1 z& F# y& {+ ]2 aLinac Linear Accelerator. Line Item (Budget) A specific program end item with its own identity (e.g., B-1B Bomber). ' M1 X5 @. L: {Line of Sight (LOS) ) W: J7 C% d, v7 }' q2 ~The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. Line Replaceable Unit (LRU) An essential support item removed and replaced at field level to restore end item ' O' u7 g( L3 |& H4 A. `% J' kto an operationally ready condition. (Also called Weapon Replacement : ?& D$ Y! K1 H& I$ yAssembly and Module Replaceable Unit). - Z" c2 m% N, w4 I5 H9 ]8 f- vLink-16 TADIL-J. + S5 O( e {7 O) LLink Quality I- R" Z0 u/ e: c# i1 qEvaluation ! N7 N7 G) `8 F% TThis testing of links to create bit error estimates and monitors natural or induced link interference. 6 T6 g! ^$ C% J/ N) Q' q1 W( \4 p: dLIP Lethality Improvement Plan. Liquid Fuel ' F7 x' J8 P4 pBooster (LFB) Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. " V, p0 I; G5 GLIS Laser Isotope Separation. 1 l: z% l. J/ |& Q) O# W6 eLITINT Literature Intelligence. MDA GLOSSARY, VER. 4.0 L 167 Live Fire Test And Evaluation (LFT&E) Survivability testing and lethality testing required before full-scale production. 2 W6 c, U! g; o5 R. h1 z3 O1 c( IMust be conducted on ACAT I and II programs for: (a) A covered system (a ; r( l. Y% y" N3 Z' E9 L& M3 zconventional weapon system designed to provide some degree of protection to 1 m2 U5 d; P' s, e/ Zthe user in combat); (b) a major munition or missile program; (c) a product 3 j9 y; M( ], p |+ G; }improvement program that will significantly affect the survivability of a covered 6 {: K( d" ?1 c& j- d1 T3 Gsystem. : z# h" |6 H4 g1 N) C* mLIVEX Live Exercise. LIWA Land Information Warfare Activity. # y0 a6 z) x# }LJ Life Jacket (BE term). / u9 I4 l- ?9 U6 @' w) V* H) `LL (1) Lincoln Laboratory, Lexington, MA. . R, Z; C0 m9 }, @' g2 x(2) Legislative Liaison. LLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). ! m8 D& V% m8 G8 f' P- S% H0 j3 ~LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). & J. p) a% b/ Q! aLM (1) Lockheed Martin, a defense industry contractor. # o O& h* Z# ]& ^5 l% P(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. LMA Lockheed Martin Astronautics, a defense industry contractor. ; h9 v6 t- j) _. w; yLMANS Lockheed Martin Aeronautic and Naval Systems. # q* x' k& r% PLMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term). LOA Letter of Agreement. ; A) l) @) h0 b/ _LOAD Low Altitude Defense. 5 X: c' w! n- Z0 M8 JLOC (1) Lines of Communication. - f3 }: R! n+ x4 t1 c, M( m/ M(2) Lines of Code. ( n% {. m. G- t# [, S/ R& N8 F( h(3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L @! K3 Y. G( o168 LOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of Engagement The assessment of an engagement by high-resolution fire control sensors. Local Environment The ISTC Local Environment contained within each node simulates the element to the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element 6 M( Q8 Q5 ~" f, e5 M0 IProcessor or Element Processor Emulation. $ z. J! J# m6 n. WLock On Signifies that a tracking or target-seeking system is continuously and + M8 ^5 ^# M7 \4 i$ V, {. z$ a/ cautomatically tracking a target in one or more coordinates (e.g., range, bearing, : P, \, O. M# T( y# Gelevation). LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. * B; S1 o( Q) } M; NLOE (1) Level of Effort. (2) Letter of Evaluation (AF). , J; [$ w8 m. C) A; R" d6 DLOF Lifejacket Orbital Flight (BE term). & }% P: [' o3 E w3 O5 D3 BLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the g) d& d) V% Y) Usame range. LOG Logistics. LOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. + q' ~" h" i9 {% o; V% mLogistics The science of planning and carrying out the movement and maintenance of forces. In its most comprehensive sense, it includes those aspects of military 2 x8 ~" @! m Boperations which deal with: (1) design and development, acquisition, storage, movement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 9 k. y3 \$ ?" K/ Z$ oconstruction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. 9 q' e* |2 y2 j) ~$ V* `" }& u6 b4 m6 dLogistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. 2 F) D- h( X3 b) ~3 a+ dLogistics 6 U# [& j4 {; Z% }& m- {Supportability The degree to which planned logistics support (including test, measurement, and ) ~# c! u5 u$ C5 ]diagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow q8 c7 P |* ?0 m5 Ameeting system availability and wartime usage requirements. K4 x, |) r. R4 Y( AMDA GLOSSARY, VER. 4.0 L * _9 c3 U* `) S5 |# Z169 Logistics ' p0 o( \, c( ?! v$ y/ D0 i, ASupport Analysis y- A% V- A! p4 v(LSA) 3 s9 \! u# U: r2 Y1 tThe selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: 7 N; x+ g, H, z r! U' X- P: d+ Ocausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring * N# X: }, q" Y. Y* lthe required support; and providing the required support during the operational 6 d' J/ s6 \. E8 G1 l. aphase at minimum cost. Logistics Support Analysis Record ; S' E/ X1 y6 b- X+ V5 L(LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document 6 j( }/ z0 ^0 q4 c4 \/ N. w6 Qoperations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, ' Z: J8 T4 k8 t/ t, B* t6 Cand transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. ; x @5 b0 [& p# ?LOGSIM Logistics Simulation Model. 1 {9 E- s$ k3 B' E5 E" RLOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. . I3 p; ^; Q8 H( b3 h% q# N; pLong Lead Items 0 m; u' A$ l% G% U% l1 p. zLong Range Air 0 _7 E& M7 i6 `* Y8 a$ xLaunched Target 4 |9 d" ?9 m& K* W(LRALT) Those components of a system for which the times to design and fabricate are - f. q0 d# }, E4 X0 V0 Uthe longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. ; O* Z( ~* T& i: [( y$ D- A) L, NTwo-stage, air launched ballistic missile target being developed for MBRV-4. 3 M$ ] B% L6 {$ r& LLong Wavelength - h0 r8 f x* g# S4 T, o; K* kInfrared (LWIR) , _& x5 z# Z8 Z0 L$ RThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). J( h$ r% E0 X: n2 ~2 l4 P% ^* nLORA Level of Repair Analysis (ILS term). $ F& |; w3 z" R& ILOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude . P1 k+ s/ w- ~' B0 ?3 iDemonstration " E# }2 M) @7 A" K9 a0 L A+ TSystem (LADS) * d Q- C' ]+ i2 E9 e `; {Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program {: C: i5 S% X' d3 j8 `& B* a' D$ pphase. The LADS will consist of a flight experiment and extensive ground 5 G& A0 Y5 d4 {- K1 [8 s8 E5 Xdemonstrations by Boeing North American. The LADS flight experiment will be . J: E$ ]0 @, Olaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low : Q: ?) ?/ Y. _. Iconcept and collect phenomenology data. Low Earth Orbit (LEO) These satellites are at altitudes between 100 and 400 nautical miles. They : H% B3 A3 e5 i% w. E$ _& Bhave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 minutes up to 10 minutes over a tracking station), short life spans, and are most : Z2 d' A* a: B6 M2 M; T0 x. vsubject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. `1 h4 a" w0 L- O, dLow & P- v- C2 o0 E5 f- e. u REndoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 ) W, R- P5 K" _1 eLow-Rate Initial " J' B/ B5 N. r. PProduction (LRIP) The production of a system in limited quantity to provide articles for operational % h8 D, C9 A4 h+ Ftest and evaluation, to establish an initial production base, and to permit an orderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. : [& a) ?% s) C# N7 h: Z, YLPD Low Probability of Detection. ' n3 j% D, w5 d9 o$ qLPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. LPI Low Probability of Intercept. # R h: H+ K) S& |7 XLPS Limited Protection System. LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. 3 K, s/ x) G1 P* I/ F P5 gLRB Liquid Rocket Booster. 4 P, f; o. e! l+ U% D% S1 @! f" tLRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. ( ?8 q* r. W5 F0 N0 n% NLREP Light Replicas. LRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. * m& `, E; n: HLRIP See Low-Rate Initial Production. % f4 O1 i: e, g. Y1 [/ p0 dLRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). 4 L$ ], m5 k& k; H+ Z, ILSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. ) k3 \4 M. G9 e, e- o. X2 ?LSAR Logistics Support Analysis Record. 4 v+ ~' l; S, R5 \4 I- zLSART LSA Review Team (ILS term). LSAT Laser Satellite. 4 Z# N# l3 h8 [: p" t" qMDA GLOSSARY, VER. 4.0 L 171 4 B! K0 H5 \, O; I. FLSAWG LSA Working Group. ! P( E, t L2 ~* ?$ _/ jLSE Lifetime Support Engineering (ILS term). * K: _3 C! @+ n J r. M* B ]7 N: dLSEA Lifetime Support Engineering Activity (ILS term). ' {. P7 y2 T6 A6 C# x- lLSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. LSTS Launcher Station Test Site. 4 ?# {6 V' c* S2 B2 nLTA Lead Time Analysis. ; W* o! ]5 O3 Y) \0 a0 lLTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. + }# E" h% @9 g/ A) m0 [" bLUA Launch Under Attack. LUP Limited U.S. Protection. # L" L9 J' w% K7 |LUT Limited User Test. ; e1 \# z$ s+ S9 T; xLUT/OA Limited User Test/Operational Assessment. * n) B- q# q2 TLVS Loral Vought Systems, a defense industry contractor. ! l" `% x G4 m( ~3 F, M3 gLVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. - M5 o# [ M& ?: W# ^LWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. 8 o9 m1 U q# WLWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). ; k& I$ _, M" k2 k" iLYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M ! P5 W) E% b/ p" M173 6 f8 h! a1 B, u' }1 W3 rm (1) Meter. (2) Minute. ( y y- C9 l' r5 \: DM (1) Model. (2) Million. (3) Mega. ) R, W& g5 V, KM&LC Missile and Launch Control. M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. ]; G% L) D. G: s1 H+ EM-T-M Model – Test – Model. . O- N$ h8 m. a* K7 rM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. 5 c. O+ |& q: O! j: o# Z6 ^) D$ uMAAG Military Assistance Advisory Group. 9 h+ t+ r8 H8 e1 j; ~( v( NMAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. 1 c0 T! U, ~/ N6 M4 W(2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. MACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. ) u2 T# r" K, m2 j& u6 \* b5 iMADCAP Mosaic Array Data Compression and Analysis Program. , v. w5 i- i4 Q' lMADS Modified Air Defense System. MAE Medium Altitude Endurance. % E7 [; ~! Q; `, v XMAGTF Marine Air-Ground Task Force. 1 x: r3 P; T& |# @% i# hMain Beam The primary directional EMR emitted from radar transmitters. : w5 M9 U& k4 G' F d9 m YMaintainer An individual responsible for retaining the major defense system in or restoring it 3 V# R' R8 D, L1 u1 wto a specified condition. Maintenance activities include inspection, testing, 3 R. p y8 K. X# P/ V3 Rservicing, classification as to serviceability, repair, rebuilding, and reclamation. 9 v( _1 u2 X0 y @6 V4 i/ h8 _Maintenance 8 i4 k. z( s+ T+ F6 s& t% e: WConcept/Plan A description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is % `$ C: }$ u2 C- C0 y8 udeveloped and submitted as part of the preliminary system operational concept ; r6 l2 D/ I$ ?2 {for each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in : D ]7 P# n2 q: bdesign of the system/equipment and support planned for it. 1 ^3 c& ^4 x8 {( X8 q+ P. `! OMDA GLOSSARY, VER. 4.0 M 174 7 @: F, e c, [: MMaintenance Operations The corrective and preventive maintenance operations that do not require a 5 m+ r2 @, w8 |0 }9 s4 J4 bdeployment decision; it includes correction and subsequent validation testing and the update of relevant status configuration, maintenance, and inventory 7 p3 j, d9 t' A- P" y* tdatabases. Maintenance + R9 v7 X: h4 y) J7 d; sPlanning The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements of ILS. 0 Z& P8 a2 w# r kMAIS Mobile Automated Instrumentation Suite (USA term). 4 q2 z' l8 E+ }1 x" P3 k( _MAISRC Major Automated Information System Review Council 2 v4 N# b7 W: y8 ~ C% BMAJCOM Major Command (USAF). / { z& w* V. {+ z6 I9 B I, FMajor Automated Information , k, s& f, L2 a) W) ]System Review # Z2 Q; Y$ r! f* pCouncil (MAISRC) 9 x4 _* b4 @, \, }( HThe Senior DoD information management acquisition review board chaired by 4 N' k, X1 ?/ r7 U( ]0 R& Athe Assistant Secretary of Defense for Command, Control, Communication, and 5 Z; T) y7 c) [$ c, VIntelligence. See DoD Directive 8120.2.

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Major Defense Acquisition 4 f' k/ }# U5 c aProgram An acquisition program that is not a highly sensitive classified program (as ( N% O( k/ p; {1 Ldetermined by the Secretary of Defense) and that is: 5 G% r; p/ }& p1. Designated by the Under Secretary of Defense for Acquisition and 9 N/ h+ y5 B6 T o. ]Technology as a major defense acquisition program, or 2. Estimated by the Under Secretary of Defense for Acquisition and Technology to require: Y! I: ~2 j) T* A I, Ta) An eventual total expenditure for research, development, test, and : W! `' @7 Y {1 |5 l) }: Qevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant dollars), or b) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal ) m+ V) ~3 C2 T+ u( [% m& uyear 1990 constant dollars). ( [. a) I: q# w! G1 c& J+ H" g; YMajor Modification A modification that in and of itself meets the criteria of acquisition category I or II ' u* U! R: l' p- _: Y2 q6 oor is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. : [: `' M. f! p1 q: _) |* T! u) v, tUpgrades are part of the Milestone 0 decision process. Major System A combination of elements that will function together to produce the capabilities 0 Q8 }7 u4 n" Y# e1 s! o- Lrequired to fulfill a mission need, including hardware, equipment, software, or any | @" p" Q ]* q! |. ]6 {8 ?/ Kcombination thereof, but excluding construction or other improvements to real * x7 k& u" Y0 o0 ~property. A system shall be considered a major system if it is estimated by the 2 e1 R9 j! A2 ]- ?9 RUnder Secretary of Defense for Acquisition and Technology to require: 0 ]+ L7 j v$ d; U% z* c1. An eventual total expenditure for research, development, test, and . L& l% X8 ~" K- eevaluation of more than $75,000,000 in fiscal year 1980 constant dollars % P3 L0 U6 Q, C, D(approximately $115,000,000 in fiscal year 1990 constant dollars), or 2. An eventual total expenditure for procurement of more than $300,000,000 in , o Y' D; }. H- m( `fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). " N$ G4 ]: V0 `' _MDA GLOSSARY, VER. 4.0 M ( Q9 t5 |6 F( Q9 k- A& |6 a+ W175 Mandatory Access Control f+ t- e. N' s2 y3 OA means of restricting access to objects based on the sensitivity (as represented 4 c9 d9 { X6 V8 W' h7 Uby a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. 2 t% w* ^+ r4 g- V; j; g1 ?Maneuverable Reentry Vehicle 9 E: V1 j& Z, \(MARV) 5 x3 Q4 ]: _3 M+ Q) O# m' W8 FA reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when they enter the atmosphere, allowing them to turn and dodge rather than ( q/ P# d6 V! n0 k- lfall ballistically. They have no ability to maneuver in space. d) P1 C, |/ |8 ^% HMANPER Manpower and Personnel ILS term). Manpower Authorizations ) ~' Q6 |0 R5 r0 }6 MThe billets in the manpower requirements structure that are planned to be filled. ! W: E$ u* e6 F9 m, X: g: I4 x5 vManpower Estimate Report (MER) An estimate of the number of personnel who will operate, maintain, support, and 1 O6 E$ ]7 J0 f4 u1 c( ~ gtrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to 9 y M- m$ X9 japproval for EMD or production. Manpower, : ?7 Z! f7 u' T+ O% e) J* c, cPersonnel, Training, and Safety (MPTS) * F) F3 U H- O& z9 g2 h3 gThe human dimension of the complete defense weapon system. The term MPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. Manpower, Personnel, Training, and Safety (MPTS) Profiles A description of human dimensions and constraints involving a major system $ N- H: r; w4 q- ~! N. dthroughout the system life cycle. This includes, but is not limited to, descriptions - b- J! F7 ~( u [% r8 @and categorizations of occupations, aptitudes, individual skills and 5 j: M# k# }' Zdemographics, training system characteristics and components, potential system hazards, and other issues affecting the performance and welfare of operators, ( i4 p3 ]/ ~) O. k; e( d0 j) Tmaintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. Manufacturing (or Production) ' A3 E3 q+ H, L: F* zEngineering 1 d5 O$ N1 r" P9 cPre-production planning and operation analysis applied to specific product ) ~4 d% A) i1 W# U* n1 rdesigns. The functions of planning, specifying, and coordinating the application : n ~# {/ [/ Hof required factory resources including: performing analyses of production operations, processes, and systems; applying new manufacturing methods, : |! C# @) A+ S, ~ utooling, and equipment; controlling the introduction of engineering changes, and employing cost control and quality techniques from the factory viewpoint. + m; X7 ?. r# ^3 \, }Manufacturing Operations, . A9 K' E, e4 w+ SDevelopment, and Integration 0 Q' q9 s. n1 FLaboratory (MODIL) An SDS-peculiar integration mechanism to link product technology development * d& j1 b2 F4 W+ A0 y4 _2 ]concurrently with manufacturing process and control development for a costreducing effective SDS development. * O1 |7 D$ G6 Y3 ^4 `( {7 E- xManufacturing % F2 }7 o* u, R7 D( ]Technology ( n6 a, B* c. P5 U(MANTECH) . Q+ b" T- x% C' RManufacturing technology refers to any action which has as its objective the , i- z+ [- u4 a. t; stimely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, $ p" _8 y1 c. `, C# y2 g" Mand the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to & g7 ~( C+ \ X% X3 ^enhance safety and anti-pollution measures. MANTECH, per se, is the specific DoD program in this area. MDA GLOSSARY, VER. 4.0 M 176 MAOC Modular Air Operations Center (JFACC term). " G& @* H Q% x$ s$ k8 z! uMAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and Control System A US Marine Corps tactical air command and control system that provides the F- l1 R6 @. q% c( h( @tactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with 9 B1 E$ M. Y$ o0 \. _other Services. It is composed of command and control agencies with p( {% @8 T3 ^. {# F* e0 p6 Dcommunications-electronics equipment that incorporates a capability from manual s% P, `3 b" V9 O: J3 X! I* Lthrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget 5 J8 W+ D' J3 ~, b* K" ^. Vby congressional committees. MARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. ) j; Y9 D% a2 L9 i t4 ]A mass ASAT raid consists of several ASATs attacking Blue satellites. $ V5 z+ e2 f: o. Y. H6 E% V6 G3 |( LMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation Model (SSGM). 8 S W! u* ^5 E' y& r8 dMatching 8 M b9 n5 s: h& ?Ballistic Reentry Vehicle (MBRV) Four reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. Matching Target - S% J/ P/ L$ IReentry Vehicle 1 J& D5 _8 Z4 e: Q0 f(MTRV) + f- }4 K* `1 A3 A1 T! f: eThreat representative reentry vehicle developed for GMD Program by Sandia ) g8 t) w9 _, F- uLabs. Planned for use on IFT 9-14. - n o0 G5 W; C- i: z' |Material Fielding Plan v1 _2 Y% Q, Q0 u: ?/ ?" C/ r4 [Plan to ensure smooth transition of system from developer to user. Materials Science / c; t: ?4 \7 W9 YThe science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance - X \% t- [& _+ N- Y) Z) vcharacteristics. (See Structures.) Also includes applying state-of-the-art 4 D8 E8 N1 O# o) `$ wadvanced materials in the design of new SDS components and end items. ! I, n2 }/ t& LMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 0 e7 {; [& M4 A1 C2 g) R& mMDA GLOSSARY, VER. 4.0 M - p* Y- M2 c; D177 Matra BAE 6 g8 y" w3 k! p4 F4 {Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. + N6 O$ {& F1 zMATT Mutli-mission Advanced Tactical Terminal. ; I6 O! ^) [; NMATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. 4 x+ y; e j/ w C" ~0 f; AMAX Maximum. " o& H& g; `4 z' e' q3 U" tMaximum Attrition 7 i" o' A% ^6 _) ~$ Z, EMaximum attrition is employed in a target-rich environment to destroy the & B- g7 n, v& G' \2 Lmaximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or required assets. * E, h Z2 z- \2 ~7 dMB Megabyte. $ _2 M+ t! j- ]6 g+ o0 q7 V: m/ `MBA Multi-Beam Antenna. 2 u7 o% w: G& D% Y5 t. G2 U# OMBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. - S' \ S9 v& h& Z: W2 _8 |" H$ RMBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS - t, u6 R/ F; Z: Uterm). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). * q- U1 h+ }! w R- {! QMCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. : u& A- s6 W: k8 _1 d' d) f }MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. 3 ^0 @8 R5 u: _! P {MCCR Mission Critical Computer Resources. 8 K( \ k/ t3 m2 Q* p/ ~MCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). ( B: K6 p$ s2 f4 Z% f3 ~) yMCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 4 Z4 }+ ?% P# _( h178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). " m/ ~) Q* b% ~5 U3 K$ _ W(2) Military Construction Program. - w, z' @# W8 ?- MMCPDM Marine Corps Program Decision Making. ; z3 k$ x6 N3 n, [, r/ t- lMCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. ' @' `: N7 m- m' C* F/ g' kMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. 7 p* }7 K) n0 N* o( \MCT Mercury Cadmium Telluride (cf. HgCdTe). - V7 F* u% \: ~3 JMCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. 3 v, b" n3 Y6 MMCV Mission Capable Vehicle. ! i2 P8 D/ {. x1 I" ?/ gMD Missile Defense. MDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. - X5 C0 K$ F( p9 l) K. Q( ^MDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. * {+ G+ h2 x" n" l0 [MDCI Multi-Discipline Counterintelligence. ! I7 t8 m) h4 rMDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. u* ]( c' F' wMDR (1) Medium Data Rate (TelComms/Computer term). ! o* i) e# b. V' j9 `(2) Milestone Decision Review. (3) Multi-national Defense Research. t* z* @8 M" \6 h4 WMDSC Missile Defense Scientific and Technical Information Center. 3 f% D( c# K b ?$ tMDSTC Missile Defense and Space Technology Center. * q% A) a5 M1 D6 oMDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M U7 Y+ ~/ T) _ c& M2 I7 x179 ( x, h* ?$ t% _MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). ; a( N( i8 @* M- ~% NMDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area 7 e- Z$ V- ~; s" e2 p2 DMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time Between Failures (MTBF) 9 ? f1 y7 `$ P5 J/ q5 fA measure of the reliability of an item. Defined as the total functioning life of an item divided by the total number of failures within the population during the , Y1 R/ Y& R& y2 u& z* J L+ r" _measurement interval. The definition holds for time, rounds, miles, events, or - c% j8 u$ A# S2 _8 U' mother measures of unit life. MTBF is a basic measure of reliability. , u2 u! C! \5 q% XMean Time To % G% ?7 I6 i4 F' ?Repair (MTTR) The total elapsed time for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. A basic measure : V r4 z- X- H- y* eof maintainability. Mean Time to Restore System # ]2 k% D4 v5 F* D( A1 H(MTTRS) A measure of the system maintainability parameter related to availability and 8 N" {5 {4 V' Q2 wreadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of time. (Excludes time for off-system maintenance and repair of detached 4 |2 O: k6 T. c7 Q7 s: g& scomponents.) MEASAT Malaysia East Asia Satellite. # @1 r/ e& j5 `8 ]7 YMeasure of Effectiveness " W3 a) x6 @/ {% T/ M% I+ I) h: V(MOE) The quantitative expression (sometimes modified by subjective judgment) of the - K+ j( \" I8 `; e h; k8 [success of a system in achieving a specified objective. & ?" v8 F6 f4 m0 }2 E* u( f7 Q; dMEC Mission Essentially Code (ILS term). 1 x+ h6 v! n/ |8 y% U+ V" uMedium Earth $ E) Y" Y& x; b4 cOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, longer duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes up to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special 3 X! a: p, N) C+ d4 p+ W% kprotection. Medium 2 J/ _( V0 A0 _Extended Air Defense System " Y e: g6 C- Z- [0 y+ l, w; ?( a& x% r(MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and 2 n5 l( O7 z: `( N2 }2 r) T* E6 ]theater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in z# j z( G, q: r, j* m1995. ' {/ z- w) Z' Q1 |0 m J+ F# N( ~Medium Power Lasers ( @9 |. t9 T2 T* ELasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. 5 m+ o" `: U0 |" Z! x& ^Medium Range , a6 p1 @: h. ~' g3 `6 V9 lBallistic Missile (MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. Medium 4 M$ m2 U4 }/ |9 AWavelength Infrared (MWIR) Thermal radiation emitted by a source in the electromagnetic spectrum / P. m' k+ _4 o7 [7 r7 \encompassing infrared wavelengths of 3 to 6 microns. % v+ H# N8 R, d- ~/ d7 l9 |MDA GLOSSARY, VER. 4.0 M * r( e) K! G9 n# [# Y/ G180 + |$ ^5 P; S4 X7 IMEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). ! z% z- X; ~5 E4 q* dMEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. 4 L* v; E* J6 ~9 {# JMemorandum of Agreement (MOA) : j2 p( h; F$ m, h @1 H(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of responsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other - X+ q7 K, r- C6 Hcontract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be ; Y2 H) z- q# A+ y p8 v9 [+ O' dadministered. Memorandum of " H5 f" b3 |$ `Understanding (MOU) Official agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be + L/ S. f, O, |" T4 Sbased on the rights and obligations laid down in them. MEO Medium Earth Orbit. ! J, x( J3 I" ZMER Manpower Estimate Report. 9 \0 u4 ^+ G; e2 m wMercury Cadmium Telluride (HCT) : q1 F2 r+ J' s7 [2 S8 dInfrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. # Q) i- {5 A$ l5 B) A/ Z, GMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods Engineering - }; \) u$ e$ X9 v4 ~The technique that subjects each operation of a given piece of work to close analysis to eliminate every unnecessary element or operation and to approach - m; ^. [: e8 m1 s, L$ jthe quickest and best method of performing each necessary element or ) l- O" @! o! `: z0 l4 K( Roperation. It includes the improvement and standardization of methods, equipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. METOIA Minimum Effort Task Order Impact Assessment. 9 Q( j( w# ?3 ?8 h) QMETOP Minimum Effort Task Order Plan. ! \- ]4 M% E% V9 y2 }3 FMETOR Minimum Effort Task Order Requirement. l- I/ o+ A# ]# P3 V4 \, [- bMetric (Software). An indicator, which measures some specific attribute of the software 6 j" a1 q7 Y1 r$ \' O4 P! ]development process. # ]# \# G- C/ F4 N' @MDA GLOSSARY, VER. 4.0 M 181 Metrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to % [( i0 T$ G- E0 ^/ bdetermine conformance to technical requirements including the development of - T4 f% }5 ^ g3 nstandards and systems for absolute and relative measurements. MeV Million Electron Volts. MEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. : y1 o3 Z3 @9 i" j m& qMFEL Medical Free Electron Laser. $ g" ~3 u W9 K/ G3 VMFG Master Frequency Generator. ' j' z- Q k0 y' F/ Y6 uMFL Multiple Folded Ladar. - M J- i) T, P- ?9 a0 CMFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. MFR Memorandum For Record. MFS MFS Communications Company, Incorporated. / ~$ L/ q5 X: TMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. * ?/ }" E; n' C) Y, s% yMGMT Management. : [" X8 ~+ D' Z# t1 T( oMGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. ( I: b5 }( x4 ~% {) ^/ |MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. ) q( \6 f, W. ~MHV Miniature Homing Vehicle. * S4 L. Z0 X: E {" qmi Statue mile (5,280 feet). 6 c4 u3 x) `% q/ f0 Z) T" B; h$ uMIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). 8 {8 I% B2 V3 c! z9 R4 mMid-Course Defense Segment * P1 m# s' |' Q5 G(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight 3 a& B/ @& Q, }) X6 ~- ]9 gbetween boost and atmospheric reentry. " x. P& V6 }! n8 I4 Z' WMidcourse Guidance The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M # D; d% o3 ] H: L" R182 J# s9 X. n& ]/ v# KMidcourse (MC) 4 L0 o3 p6 ^. K. V. o6 _Phase That portion of a ballistic missile's trajectory between the boost phase and the 8 @* T' L$ W* l4 t; Vreentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and . j8 w# B" r2 rdecoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. ! t$ Q' z' @5 V/ FMidcourse Space b8 m, O2 _4 I M; N) F) EExperiment + D$ r6 t, J, E- [6 m6 h$ q(MSX) Designed to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, - }& p8 o# ^& x5 n. Betc., and collect background phenomenology measurements and target + x5 q2 o/ z; J" Lsignature measurements. : B J! t" `" @5 U3 vMidgetman US ICBM. 6 B% M- [' D& c2 z8 k" K+ Y$ g3 `0 k2 f9 \MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. % W/ S8 p0 g: {3 c4 e/ U% {MIL Man-in-the-Loop. MIL-HDBK Military Handbook. : B6 L5 |- U8 O/ n2 @MIL-STD Military Standard. MILCON Military Construction. Milestone Decision Authority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an # I# I5 [3 ]* f7 vacquisition program into the next phase. 3 {0 y( S/ d1 h/ E, \/ ?Milestones (MS) Major decision points that separate the phases of an acquisition program. . s. K8 B& P; D2 x) b' J; p, NMilitary Capability % f. r, N; K6 C5 Z1 \The ability to achieve a specified wartime objective (win a war or battle, destroy a target set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or $ c4 q2 ~8 k1 F. v7 l3 z" h! M! oequipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity 4 x& U! \8 Q" F$ n |to achieve military objectives. Sustainability is a function of providing for and ( G0 b2 j7 T% p/ X" M2 e$ pmaintaining those levels of ready forces, materiel, and consumables necessary to support military effort.