航空缩略语词典

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Kinetic Kill Vehicle Integrated Technology Experiment - }- P; X" o/ l(KITE) A series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated 9 a$ \1 h, G1 v, eTechnology Experiment. KKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. 5 f2 U+ }3 D2 D8 L6 `: aKm/h Kilometer per hour. [, Z& n3 ] |7 }: y- M1 X8 dKm/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. 8 Q6 G0 P- b& u/ n7 x% e. hKMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. KPP Key Performance Parameters. ' ?8 X" \. Z' |; zMDA GLOSSARY, VER. 4.0 K 159 Kr Krypton. 4 [6 B; p6 j) C5 q+ xKREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. Kt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. 4 B: H# z/ N8 l+ xKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. 6 j$ A+ X$ O; w. `) @6 s. h9 c" _Kts Knots. 1 q. n2 |& g2 M$ F) o- o- @6 QKV Kill Vehicle. $ T* |5 s: @5 {; ]) ukw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 L&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. 1 p$ Q" [4 |. C7 s' i- `LAA Limited Access Area. LAAD Low Altitude Air Defense. " Z" f4 ]6 h9 H. J! M: D4 dLAAFB Los Angeles Air Force Base, CA. * F! A; ~& V7 A$ P) xLABCOM Laboratory Command. LABM Local Area Battle Manager. 6 i ]( ^# b0 @ X" C" {LABP Look Ahead Battle Planner / P' G( P& M: n" y/ q4 r" KLAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched 2 ]/ b! ?9 H; ^, E$ cFebruary 1990 and turned off July 1993). LACM Land Attack Cruise Missile. LADAR Laser Detection and Ranging. ! H, ~4 `4 b) R" c1 N: f' l: lLaddering Down A hypothetical technique for overcoming a terminal phase missile defense. : P7 t f, M q& }Successive salvos of salvage-fused RVs attack. The detonations of one salvo . ~% J u6 l/ m: r% v" f z& t9 g) Bdisable local ABM abilities so that following salvos are able to approach the 3 S% E, Y# y7 e+ A! w; ^* |8 i xtarget more closely before being, in turn, intercepted. Eventually, by repeating the process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. LAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. ) }& f1 r& p K! i/ |! _5 eLAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). 9 I: S5 z# b, v1 }% k! NLANL Los Alamos National Laboratory, NM. 1 A2 u$ b1 A/ |* q9 U, fLANTRINS Low Altitude Navigation and Targeting Infrared Night System. $ [5 M, Q: @1 N5 qLAO Limited Attack Option. % k* b' A+ ?. Q8 k8 V$ KLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. + M+ ?* Q, R! T& y% D) KMDA GLOSSARY, VER. 4.0 L 162 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 provide high resolution or high sensitivity for detection and/or imaging. LASA Large Aperture Seismic Array. 4 P2 e% e) s3 E% [2 n3 uLasant A material that can be stimulated to produce laser light. Many materials can be used as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon ) b- m* n. Q+ G7 V$ }chloride, krypton fluoride, and selenium, to mention but a few. LASE LIDAR Acquisition and Sizing Experiment. 7 h8 i; I. V4 ]) \( DLaser An active electron device that converts input power into a very narrow, intense 0 @6 B5 o, q% e% e2 kbeam of coherent visible or infrared light; the input power excites the atoms of an % `+ R0 C. o( f2 O& x5 a l8 roptical resonator to a higher energy level, and the resonator forces the excited 5 n- H$ {) q. {atoms to radiate in phase. Derived from Light Amplification by Stimulated + W5 a. {6 I( T- m4 hEmission of Radiation and classified from Class I - Class IV according to its : s/ o- E: u. |) Mpotential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. + K4 r& }3 I! \, ?% ^0 WLaser Detection and Ranging 4 u3 Z+ x/ X9 b( v(LADAR) / R, y: G6 d, p9 YA technique analogous to radar, but which uses laser light rather than radio or # M, d1 W3 g2 i# C/ Y: Imicrowaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. ) e; w( F& p* x$ @7 z0 A* Q8 LLaser Guided + f7 W2 m5 V% l; }, c {Weapon A weapon that uses a seeker to detect laser energy reflected from a laser " r! j% a. d; E- Dmarker/designated target and, through signal processing, provides guidance 6 Q1 o) u/ w5 W6 e" w/ `5 a+ P! \commands to a control system. The control system then guides the weapon to ( y& c; j$ s# Z4 N9 V" Ethe point from which the laser energy is being reflected. Laser Imaging & y9 t0 I$ E& i9 A7 S' ]Radar 2 L5 G& @) l- E* @0 p* fA technology whereby a laser beam can be used in a way similar to the use of a ; J% Y0 A. a. Yradar beam to produce a high-quality image of an object. 3 Q J7 l# _4 U9 h: T& a2 J6 _Laser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2. Laser Seeker A device based on a direction sensitive receiver that detects the energy reflected from a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. Laser Target ) w, J9 B' y4 A& K. K! V0 HDesignating $ i, |% c# R+ G9 Z2 r3 mSystem - u: l+ j/ l$ RA system that is used to direct (aim or point) laser energy at a target. The system consists of the laser designator or laser target marker with its display and $ ]# }* T: a$ h, Hcontrol components necessary to acquire the target and direct the beam of the laser energy thereon. 0 i% g# x) x% ^) ^/ e% tLaser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself. " I2 z. s" s& ~/ WLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. ! m7 H7 e1 ?# Q9 c; y' c8 KLASERCOM Laser Communications. + L! s# \7 ?7 \& R1 u! K3 fLATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L # K! h$ F2 [. k% {! U! C163 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 launched from some point on the surface of the earth, with initial characterization of the booster type. (USSPACECOM) 4 S2 p& i: L; \ F2 v% e& WLaunch Point 3 l* |1 Y$ i/ _' |' L kDetermination $ [, O @2 J3 o% T! l7 V) ~With computer methods, uses missile track observation to estimate the point on - y+ B3 |4 O) c' E- R7 uthe earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under % i% l5 T, C8 d6 m& i" TAttack (LUA) # C, s; G5 w2 UExecution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the 6 p3 w5 d0 N, _% C; @! f& wUnited States and prior to first impact. % q. Z# N! j9 H% }( w+ vLaunch ! f& V8 k3 j5 j0 ]/ [ YVerification $ p& s- U {" ~+ ~ XConfirmation 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 9 D6 E9 y! j! Q/ O1 Y" H5 H$ i& m( ^6 ubooster launch. 3 T; p3 f) |( }" p( D8 [Layered Defense A defense that consists of several sets of weapons that operates at different phases 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 1 R5 h- B; z* h: \1 J3 F" elayers (e.g., midcourse, terminal). ! j5 Y2 L2 a( g: A6 k+ }. X, rlb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. 2 ?# Z C0 \# Z- A" \3 m/ s- mLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component & e$ [% D+ \ [: _Commander (JCS term). LCCS Life-Cycle Contractor Support. - ?3 r. Q2 D# k+ V: \LCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). 6 Q+ Q' x- t/ v% c; t/ `) YLCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). + V+ R: z9 n9 a. I+ \LCS Laser Crosslink System. ! g$ V& v5 s! X, l! ILDC Less Developed Country. : b: V, [& D) c' q* S' ILDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. ! t) Y9 \. K2 g5 t* [MDA GLOSSARY, VER. 4.0 L 164 LE Lethality Enhancer (PAC-3). 9 G, `2 H) D- b$ x1 g# A) T5 ^Lead Component/ / n5 a; U' l. ^4 q7 M/ F3 q# QService The DoD Component designated by SECDEF to be responsible for management ; q& ^( `3 b# L+ D, x. ]* S$ vof a system acquisition involving two or more DoD Components in a joint program. LEAF Law Enforcement Access Field. D: v' k( ~6 U& C$ N/ g/ \Leakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted , p% ]8 D6 @$ E5 t7 u2 w6 l2 e7 ileakage is “budgeted” among individual BMD phases and functions. Leakage (Max) The maximum allowable threat objects passing through a BMD system expressed 9 i- h& `$ z J+ M' j3 G: gas a percentage of the design-to threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. 9 R ^ r5 o% g' s. _% ~LEAP Lightweight Exoatmospheric Projectile. 8 u- z: j" D7 b0 N5 h' Z" d" ]LEASAT Leased Satellite. e1 V) n5 Q( E$ V3 Z) l+ C! ULeast Privilege This principle requires that each subject in a system be granted the most restrictive set of privileges (or lowest clearance) needed for the performance of $ a! Y- a+ Y( Jauthorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. $ I! _( c8 O$ \. m0 tLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. ( Q: P, o2 ?; r4 L5 H4 l) X1 N(2) Link Eleven Display System (USN term). 3 v- I9 |7 R v) R5 S- WLEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). 1 R9 H8 c& J2 }0 dLEL Low Energy Laser. % B0 Y$ Q9 P- hLELWS Low Energy Laser Weapon System. ( C& e0 `8 h9 Y+ @# SLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. Level of Effort (LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. 4 N( @3 l R, yLeverage (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. 1 D$ r h$ k* h* n$ S+ c: }' ^(2) In general, the power to act or influence to attain goals. 9 D! l% A& C$ c' J1 Z/ RLF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 7 X6 N" w5 m# l! y8 |5 y% e) N" ]3 i165 ( Q0 x4 @. p1 z8 @, MLFIE Live Flight Integration Exercise. LFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. ! |% i# { I% g- V+ lLGB Laser Guided Bomb. ) b7 O: U# y1 y; E3 n, k2 {LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. , E6 R0 K+ X, U. I& VLGSM Light Ground Station Module (USA CECOM term). 2 }' ]7 I3 p: X" LLHO Amphibious Assault Ship. Li Lithium. " X5 R! b) s* k6 m! {# `" w: ]LIC Low Intensity Conflict. LIDAR Light Detection and Ranging. ( @! R7 z+ O l4 | `, P9 n: X- sLife Cycle (1) The total phases through which an item passes from the time it is initially + Y6 Y+ k5 D! Q' o* n! z; u% c# ~developed until the time it is either consumed or disposed of as being ( T' X, }4 Y% G( W1 L4 zexcess to all known materiel requirements. : W# e- G2 O0 \! R( Q(2) (Software). All the states a software or software related product passes 9 F: d F3 h# G3 C$ p% d+ |9 s. E7 t; rthrough from its inception until it is no longer useful. & v+ c) v' Y2 z: sLife-Cycle Cost (LCC) 1 A. c3 ^, r- X# M' E0 _! j, YThe total cost to the Government of acquisition and ownership of that system % b) E5 P" Q9 gover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. ' \3 R9 M- m8 |+ x& QLife-Cycle 1 H& I# N }: AManagement 2 t$ I* h) ^3 s, e4 ZProcess for administering an automated information system or hardware support 5 v2 W4 r6 d5 p! \ l( Asystem over its whole life, with emphasis on strengthening early decisions which shape costs and utility. Life-Cycle Model A framework containing the processes, activities, and tasks involved in the : n6 k' \% G1 _6 H& e2 o8 w3 `development, operation, and support of the system, spanning the life of the : {9 F T$ ]+ t; y9 ?8 s$ K# H4 j. isystem from the definition of its requirements to the termination of its use. Life Cycle of a Weapon System + s% }+ f& ^3 y, DAll phases of the system's life including research, development, test and 4 i5 P" T( M& \. [3 m s% v, ievaluation, production, deployment (inventory), operations and support, and 8 Q& T" E; _: C( Pdisposal. - _9 u: \9 } B, M) V; Y# LLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental * y0 I1 q1 f- D" uprotection functions. Light Detection ! G1 t4 Q; D. }' p" ^and Ranging 6 C# A- R& S9 G3 g(LIDAR) , b T+ A- v4 F# @( {5 JA precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas 2 w+ G4 W' i- _7 `9 X" d8 Q(LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little off-load penalty. # ~/ b: f p+ `# w. y* BLIMIDIS Limited Distribution. " w, h1 X$ [8 j3 QMDA GLOSSARY, VER. 4.0 L 3 L% U7 H4 U% N, v" x166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is & o! J: v$ ~5 D4 T2 i. d" I5 Q' Pgeographically distinct. Not an all-out attack or mass wave. Limited Defense System (LDS) 5 u9 n% \: ?! `/ r; Z. ^; ^The development of systems, components, and architectures for a deployable : J" Q% L% _; a0 g+ L) Eanti-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 United States against limited ballistic missile threats, including accidental or ) ]) N3 ` R6 A _6 dunauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. Limited Operational Capability (LOC) 8 G/ \. U* o% ?5 ~& sA point in time when the first set of sensors and weapons can be employed to provide a limited protection system. + Y- ~% B0 B. v! J* hLimited * u8 @! q& |3 B1 d, K/ ?! KProduction The initial production of a system in limited quantity. Part of an acquisition % V/ k1 ^/ y9 x y" Vstrategy to be used in test and evaluation for verification of design maturity, 5 B5 W) E e3 u+ K: l( K \manufacturing process final proofing, and product engineering and to verify a ! J# q( G# y. U qfactories capabilities prior to a decision to proceed with production. Decision & G' q) W% o/ g9 t, W; ~usually made near the end of EMD or at Milestone IIIA or equivalent. (Also : U) x0 I7 O$ z' o( k7 ccalled Low-Rate Initial Production or Pilot Production.) Limited Test 1 q# i4 G r- X4 l5 h/ ^Ban 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 u2 N9 y" J% Y! f! v' _) Bunderground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. LIN Line Item Number. ; M; D0 H7 s4 n* g6 x# bLinac Linear Accelerator. Line Item (Budget) A specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight / ?2 F. J0 x8 x9 S7 c(LOS) The line from sensor to target necessary for the commencement of the detection, ) |1 V0 \6 _, f" Y" v4 E6 cacquisition, track, and identification of a target. Line Replaceable 2 v0 W R7 e& yUnit (LRU) An essential support item removed and replaced at field level to restore end item 0 F6 |* b7 j qto an operationally ready condition. (Also called Weapon Replacement 3 C, L3 \# s" |) IAssembly and Module Replaceable Unit). 7 p8 Z! R( ], A0 hLink-16 TADIL-J. Link Quality p, c& I6 {$ ^* Y9 |. e- NEvaluation This testing of links to create bit error estimates and monitors natural or induced / Z9 u# E }0 y- p1 elink interference. LIP Lethality Improvement Plan. $ ]- [' P5 X, K: g6 K4 PLiquid Fuel ) |4 [) _# b# \! d9 `Booster (LFB) Target booster being developed to mate with current reentry vehicles and $ m# b8 ]* ]' ]! O. Jemulate the short/medium range threat. - ~, Z) C" g& N7 \6 F) yLIS Laser Isotope Separation. LITINT Literature Intelligence. ) S2 s1 ? ^$ q$ k: c0 ^+ o: ?MDA GLOSSARY, VER. 4.0 L $ w9 q1 A! H6 H( m5 R/ z167 4 W* ] W# y5 ]Live Fire Test And Evaluation (LFT&E) Survivability testing and lethality testing required before full-scale production. Must be conducted on ACAT I and II programs for: (a) A covered system (a % L" @7 L6 z3 I0 Lconventional weapon system designed to provide some degree of protection to , O+ G8 N( {5 rthe user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered ; I, |( Q" Z' o% V, esystem. 5 P i+ i, t+ s# W3 s2 U8 ]( T5 TLIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). % C; F! Z2 j+ }4 h! B) [LL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison. . C+ h$ g4 v: T0 W4 [: W- mLLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. 3 V6 i! V9 v- A2 h! S# s(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. . Z' `" ?% _2 i0 a2 n5 TLMA Lockheed Martin Astronautics, a defense industry contractor. LMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. 2 M: O" s5 B: ^- RLMIS Logistics Management Information System. 6 K# K+ \5 D; WLNA Low Noise Amplifier. " n* ~& N# T/ C/ ?LNC Local Network Controller. 3 v: y2 q% T; n' B+ }LNE Low Noise Exciter (Electronics Engineering term). * p" m9 p% N6 K; p( W1 P" l" O& `6 }! hLNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). 8 ?2 \: P& z$ O0 c+ r* v) m3 \(2) Low Observables (LODE-related term). LOA Letter of Agreement. 4 ^4 d2 h7 e4 ]' K; Y; v' \" U: }# lLOAD Low Altitude Defense. LOC (1) Lines of Communication. ! n+ T" ?* Y' H7 j0 l+ `. C# C, ]. I(2) Lines of Code. + `1 f& c0 h9 n1 u+ l2 y' m(3) Limited Operational Capability. * K/ Z! m. } b! Y, t" x9 dMDA GLOSSARY, VER. 4.0 L 168 $ V8 a2 W9 ^ B$ s( SLOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of # R* C/ e5 W ^6 n0 v! ^7 ]5 yEngagement 6 F9 s B- a% P0 K* C, ~9 [3 sThe assessment of an engagement by high-resolution fire control sensors. # Y$ \2 y. }* e0 T5 LLocal 9 O( o* \6 [0 }& d$ oEnvironment The ISTC Local Environment contained within each node simulates the element , A2 K+ m5 V- k- r( wto the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element Processor or Element Processor Emulation. ; e/ K6 G) J$ K6 B0 g, `Lock On Signifies that a tracking or target-seeking system is continuously and 8 q4 M4 Y9 b# R" u! n5 g6 `9 f& Zautomatically tracking a target in one or more coordinates (e.g., range, bearing, / o; j( j2 d9 belevation). LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. , F1 ^) ~. Y1 u- ^ VLOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. " ^: h2 a: [1 q) j- W! I; Q5 n9 BLOG Logistics. LOG.WIPT Logistics Working-level IPT - l* |* C5 J2 G" M0 lLOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of forces. In its most comprehensive sense, it includes those aspects of military operations 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 - F3 [# s+ t7 x% `% [construction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a 9 T# ^7 }, P2 T; Hsystem in the force. ) F+ r" b+ J# Q# K' [6 ALogistics Supportability The degree to which planned logistics support (including test, measurement, and + i2 v2 r* l" {6 ?, ]9 P+ d) \diagnostic equipment; spares and repair parts; technical data; support facilities; 6 @9 i+ W" i7 K* Ktransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L 169 1 v: e, r% A% s. A& g& y3 L( vLogistics " d- _8 d: H' Y+ GSupport Analysis (LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: ! S. {+ N8 s Q! ?- n" A+ ~( {& Ccausing support considerations to influence design; defining support 8 _; ?& p" W0 lrequirements that are related optimally to design and to each other; acquiring " @$ F; J' I8 f, l$ m" cthe required support; and providing the required support during the operational , C! ]4 F. y/ R4 p4 \6 pphase at minimum cost. Logistics Support % C# u p8 k/ Z, M& Q& VAnalysis Record (LSAR) % M' {. e9 l1 Z* CA formal tool under MIL-STD 1388-2A that uses records/forms to document operations and maintenance requirements, RAM, task analyses, technical data, 7 a3 P) x7 Q8 Y0 S/ Z+ [! [/ ssupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, . \/ n8 f2 y7 _0 ]8 _4 tand transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. 7 r0 J3 O8 e. _. Q& K% q( uLOGPLAN Logistics Plan. " l8 D1 ]& M W6 jLOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. ]+ q8 P: ~8 Z8 ~; DLOMEZ Low Altitude Missile Engagement Zone. Long Lead Items 7 h7 b" s" A% |5 DLong Range Air 3 P t T+ c o& m- PLaunched Target (LRALT) Those components of a system for which the times to design and fabricate are the longest, and, therefore, to which an early commitment of funds may be ) F" ]$ K' s9 h) @- rdesirable in order to meet the earliest possible date of system completion. + j* ~( ~0 O7 s$ tTwo-stage, air launched ballistic missile target being developed for MBRV-4. 8 Z! O+ B# [0 uLong Wavelength Infrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum ( `: E* x" B8 t3 g* Xencompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). - u- h0 ?& S, A" h4 P; P3 qLORA Level of Repair Analysis (ILS term). LOS (1) Line of Sight. (2) Large Optical Segment. . ?9 O, _0 f @* gLOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude Demonstration System (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program phase. The LADS will consist of a flight experiment and extensive ground 6 d, y, z2 U7 Ndemonstrations by Boeing North American. The LADS flight experiment will be 5 _' Q: D2 e& z' ilaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low ! z0 h- ~4 b/ K. b0 a6 v! o; d6 e$ _concept and collect phenomenology data. Low Earth Orbit / L; _4 J6 S8 w1 b! N(LEO) These satellites are at altitudes between 100 and 400 nautical miles. They have short duration revolutions (about 90 minutes), short visibility envelopes (2.5 a/ ~2 T+ K" M2 _) t* ^. Mminutes up to 10 minutes over a tracking station), short life spans, and are most subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. 3 _9 E, ?5 z5 g& _$ M, l; d" fLow + P* i: m' T, }/ I3 w7 ^Endoatmosphere 4 @( p$ q5 p( i V$ |. \* {That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 . e6 U* A4 o% r, h% ~Low-Rate Initial ( w, E* N) k* @) g; b% C/ G1 R3 c+ TProduction (LRIP) The production of a system in limited quantity to provide articles for operational 8 M5 a6 K- q* H% X6 c& a+ ytest and evaluation, to establish an initial production base, and to permit an - Q$ _1 s0 }/ v6 E+ @orderly increase in the production rate sufficient to lead to full-rate production 5 |9 ]+ l! R) aupon successful completion of operational testing. 2 [' \& z3 Z9 |" HLOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. " ]- @0 f g2 n! sLPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. 5 Y8 a$ }1 k Y+ d3 w# d3 r; k. z$ Q(2) Launch Point Estimate. : A3 v0 h8 ~: i; o/ v! lLPI Low Probability of Intercept. ; f; W: t- c0 p `LPS Limited Protection System. LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. LRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. w- o5 U8 h" w& c$ m! JLRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. ) J+ Y( H# h1 N) _LRU (1) Line Replaceable Units. (2) Line Replacement Units. ; N d, C, y: sLS Launching Stations (PATRIOT). LSA Logistics Support Analysis. . t0 B7 |" _& ]2 m- z, z5 g: YLSAP Logistics Support Analysis Program. & v& ]4 P4 Q9 c( M8 ~9 WLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). LSAT Laser Satellite. 9 p- R+ R" F+ p+ P2 SMDA GLOSSARY, VER. 4.0 L ) e5 S: P5 [, _6 H h5 j171 LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). ; f( R! Y) x P" W' b- ~LSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. : H. `5 T& s+ r/ }LSTS Launcher Station Test Site. 2 @, R+ e, o: oLTA Lead Time Analysis. % N. T7 J) F( `/ q6 I4 ]LTBT Limited Test Ban Treaty. ' T! \# d& t" i" u: OLTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. LUA Launch Under Attack. LUP Limited U.S. Protection. " g1 ?' Y' r0 ~6 eLUT Limited User Test. 4 C* X o. M; g# xLUT/OA Limited User Test/Operational Assessment. 2 U7 d" u: L5 V5 c1 eLVS Loral Vought Systems, a defense industry contractor. G: |2 ?# A9 L3 ?LVT Low Volume Terminal (USN/NATO/Telecomm term). # i1 G/ _/ \# K% L+ X. e! OLW Laser Weapons. LWAN Local Wide Area Net. ( d; h8 d! K" x, p( V" Q% }$ }LWIR See Long Wavelength Infrared. / U; [9 I& a2 V/ o; R5 kLWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). / U3 d6 E# k/ t. r. RLYTBT Low-Yield Threshold Test Ban Treaty. 4 z, c* w7 q! M# W x `- s( `% ?LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 173 * g3 L9 T. n! m8 o$ M: cm (1) Meter. (2) Minute. ) t& a0 o+ v' p/ E+ XM (1) Model. (2) Million. (3) Mega. . X V' h' [/ ]6 c" Q' W% pM&LC Missile and Launch Control. " F# G- a6 l) K& QM&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. ' e8 [" {# W& ~/ E# fM-T-M Model – Test – Model. . I# w, o& Q+ o0 C+ S/ JM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. / a" z* S, ]. h1 rMAAG Military Assistance Advisory Group. MAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. ) u+ H- o2 v8 I: M) u9 B3 C: z: U, w# [(2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). ( o! l/ n& \& k- _MACCS Marine Corps Air Command and Control System. / }- @) v- c9 G# i+ B$ xMACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. ) X8 Z# `$ ^: T1 u& vMADS Modified Air Defense System. 9 }- p' S* W7 F. [+ ]MAE Medium Altitude Endurance. ; f- C5 r0 e6 E8 }! Q4 o1 \MAGTF Marine Air-Ground Task Force. ' w6 g* `4 s2 M2 O3 vMain Beam The primary directional EMR emitted from radar transmitters. Maintainer An individual responsible for retaining the major defense system in or restoring it 4 r& j$ w$ g | |0 }1 Jto a specified condition. Maintenance activities include inspection, testing, , t$ i0 F0 U3 B6 i3 eservicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance Concept/Plan A description of maintenance considerations and constraints for + }" B! A9 A" K/ Esystem/equipment under development. A preliminary maintenance concept is developed and submitted as part of the preliminary system operational concept " s$ c8 \; T0 Nfor each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in design of the system/equipment and support planned for it. MDA GLOSSARY, VER. 4.0 M 174 Maintenance : u. {- b. X. b1 ^- Y/ OOperations The corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing ) |; k* P6 R/ N6 Qand the update of relevant status configuration, maintenance, and inventory databases. Maintenance 8 [4 X- O. E- \* u$ qPlanning * ~3 m, t/ l8 y. Q# DThe process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements 8 T9 R3 y0 ^% M5 V$ f* y1 nof ILS. MAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). - c9 ]; a1 l, {0 H! }: ]1 t0 SMajor Automated " }# x& r9 n" U+ n; C8 m, i" cInformation System Review Council (MAISRC) 1 J8 p( ~' K+ W" j( JThe Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and & ]( m4 a. A6 T" a% _/ WIntelligence. See DoD Directive 8120.2.

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Major Defense Acquisition 8 ?8 u# W5 x! j& \. \, ~% u: UProgram , Y' r: L6 a+ @9 J3 HAn acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: + r# w, n8 E) z- |" I$ v! ^1. Designated by the Under Secretary of Defense for Acquisition and 8 [) d$ V* L7 g7 W7 G0 OTechnology as a major defense acquisition program, or ! C- \; T: q. l6 b% v. I5 @1 ]: b2. Estimated by the Under Secretary of Defense for Acquisition and Technology $ j0 J" p+ ^ P7 k7 c* p0 H' [to require: a) An eventual total expenditure for research, development, test, and 7 z/ e2 {' q) {5 pevaluation of more than $200 million in fiscal year 1980 constant , _( t$ g- V, ~) N( R& P0 Idollars (approximately $300 million in fiscal year 1990 constant - q& _% Q$ I. M4 u J8 \" J. r5 Jdollars), or 6 d. l8 g8 O7 M- c" f) N( bb) An eventual total expenditure for procurement of more than $1 billion : S- @# G% M( I7 N; u- \! Lin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal & ~. W |$ M2 Q u6 ~year 1990 constant dollars). Major . H- b1 F) v% d. XModification / g/ N* @5 L0 G, p( GA modification that in and of itself meets the criteria of acquisition category I or II 6 w# Q5 b+ d7 D( W! ^or is designated as such by the milestone decision authority. Major modifications ' Z. F/ B& I, }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. % h8 ]3 Z8 N) ] b& |, QUpgrades are part of the Milestone 0 decision process. ( e- B$ g- ]6 r1 g, `Major System A combination of elements that will function together to produce the capabilities required to fulfill a mission need, including hardware, equipment, software, or any ( G* x6 M) G. H% ?8 o8 |combination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and evaluation of more than $75,000,000 in fiscal year 1980 constant dollars " Q( R- Y6 K' e# b" x(approximately $115,000,000 in fiscal year 1990 constant dollars), or , P n; g. Y& h6 T" J* L# Q8 }2. An eventual total expenditure for procurement of more than $300,000,000 in ( P/ [ H+ a/ _3 r# [3 g% _fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. . i1 S$ t1 u5 x+ t! Z3 ?0 h5 T; B. LMAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 3 V5 T% I: k' x3 z: `175 8 E3 k$ i: S- N+ h) F; S7 `Mandatory % `. o9 G" _2 WAccess Control + B2 S4 S% [2 p3 rA means of restricting access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. Maneuverable 2 ]9 Q' F: x" o' p8 R( H/ bReentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces 5 x9 _* b: g; J, n& wwhen they enter the atmosphere, allowing them to turn and dodge rather than fall ballistically. They have no ability to maneuver in space. 8 G( C: M" Y5 W1 h& OMANPER Manpower and Personnel ILS term). Manpower Authorizations The billets in the manpower requirements structure that are planned to be filled. Manpower Estimate Report 4 S6 r5 G2 s( m% a: m/ k. v(MER) An estimate of the number of personnel who will operate, maintain, support, and 2 T( `6 ^% i1 g% F, i6 ttrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to ; }- [( O8 R" d1 w9 wapproval for EMD or production. - }. m" c3 ^2 p* c, p& f1 LManpower, " P' |) C& R+ H6 j9 [Personnel, 1 ^2 U! p4 N* l+ @: G# ] k* |Training, and Safety (MPTS) The human dimension of the complete defense weapon system. The term MPTS also encompasses the concepts and disciplines of human factors 8 ^0 T! y: y5 D" q- g4 _3 u7 ?* ~engineering and health hazard prevention. Manpower, Personnel, Training, and 8 t* ^( o0 O. U" y9 ]& K4 T/ pSafety (MPTS) 6 ~" j4 `5 x! ]/ BProfiles ; }; m" j* c6 m& WA description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions ' J" M9 ^5 D3 y0 ~' Y' d" Uand categorizations of occupations, aptitudes, individual skills and 9 d# t! Z% O2 l) g0 qdemographics, training system characteristics and components, potential system hazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. Manufacturing (or Production) " g% x% ^0 M7 V7 f4 `, REngineering Pre-production planning and operation analysis applied to specific product ) x; U( g" M. E! u% ddesigns. The functions of planning, specifying, and coordinating the application 8 P2 R$ ?7 B( D2 K" h8 U" p8 z7 oof required factory resources including: performing analyses of production : f% T5 m" L9 ~operations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and 6 o, Q" J) b, N( Cemploying cost control and quality techniques from the factory viewpoint. % f% Q& M; w* @* {Manufacturing Operations, 1 l( r4 {6 N/ A/ `' `( p0 E. u9 yDevelopment, and Integration ) z) G) q1 U; w6 HLaboratory " C% b$ ~ p4 b1 _3 [(MODIL) 5 c9 N+ N) M/ V* e/ S5 RAn SDS-peculiar integration mechanism to link product technology development c1 S. I5 U% q: nconcurrently with manufacturing process and control development for a costreducing effective SDS development. Manufacturing & {$ N, g* V4 I1 i% g3 d) S2 p6 vTechnology (MANTECH) T0 S% x# h2 Q# e$ }, ?Manufacturing technology refers to any action which has as its objective the timely establishment or improvement of the manufacturing processes, # ?" }( H4 s( O! rtechniques, or equipment required to support current and projected programs, ; h' W. x' h6 c- Uand the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to 7 o/ J6 m6 m" O* @8 ]6 @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). ( c* T' z0 w. J4 s! q- U1 XMAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. + n; i* X# T: _) n6 D& s* yMAR Monthly Assessment Report (BMDO/POC term). % I. G1 O6 B- k5 a- t+ o6 h/ {MARCO Marine Corps.

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Marine Air 7 B1 C4 t+ X3 X- w4 ]2 oCommand and Control System A US Marine Corps tactical air command and control system that provides the tactical air commander with the means to command, coordinate, and control all 1 j. H, N7 y/ e- U, p$ x4 Vair operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with : e1 W& C/ x5 t; ]( {/ g% ecommunications-electronics equipment that incorporates a capability from manual ; F7 T( @ ?9 _% X% |5 Jthrough semiautomatic control. 0 H/ x7 @2 S7 r: n" f" f, ZMark/Markup Line by line review and approval/disapproval/modification of the defense budget " T$ o5 M+ ]3 C+ ]) f9 O! L! Zby congressional committees. MARS Multi-warfare Assessment and Research System. ( r7 |. r" s. S+ y: sMARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. 7 Q$ j! Q+ R6 h: gMARVIS Mid-Apogee Reentry Vehicle Intercept System. # f4 P# p6 I, L8 `& Z$ EMAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. ) O" M- W" N4 m% j9 B9 C' M( P1 PMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation Model (SSGM). * L! v' o/ l( N, iMatching Ballistic Reentry ) b& i( W. G }& e1 g* Q6 JVehicle (MBRV) ; A/ o: z7 F4 Q: ~4 ?+ u$ j2 [' w8 L0 JFour reentry vehicle designs (MBRV 1-4) developed to serve as threat " `8 W6 ^% E0 x8 G3 W4 Qrepresentative theater targets. Matching Target , A3 t8 `9 ^( I( P0 v1 c9 L$ t5 YReentry Vehicle (MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia - ]3 @3 M# d+ }' JLabs. Planned for use on IFT 9-14. Material Fielding 1 [0 T; M0 j5 E2 X. S" I: ]Plan Plan to ensure smooth transition of system from developer to user. Materials Science . f9 M7 W8 `8 Y" E; ]- d6 wThe science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance $ B/ \9 H7 O W1 b {characteristics. (See Structures.) Also includes applying state-of-the-art 4 x/ t' d5 `7 Qadvanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. % c% ^( W! ]$ g) UMDA GLOSSARY, VER. 4.0 M " v. x: n) u$ x. K. l) j177 Matra BAE ) C, A# z g$ b. c6 p, KDynamics 4 d5 `9 Y" R, vEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. MATT Mutli-mission Advanced Tactical Terminal. ! @/ t2 C7 V( N) _! GMATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. ; o5 D7 `. R' R# H8 b1 p+ ?MATTR Mid And Terminal Tiers Review. ' ]5 c a. J' g7 {MAX Maximum. Maximum 1 l0 B9 o3 D. f6 `Attrition 6 }, V% Y. t2 u3 kMaximum attrition is employed in a target-rich environment to destroy the : r. `% [9 |# m7 S" J* f0 P' f- Umaximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or 1 U' p: i/ U! u7 R4 a3 L/ irequired assets. MB Megabyte. $ ?9 v) Z8 W9 g+ d! F7 f: D: sMBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS term). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). 5 k2 w+ R* b+ @7 W( D( h% @MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. 8 o. [( g- x4 lMCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. # V- O/ S; C$ WMCCR Mission Critical Computer Resources. $ j; N" z/ z( Z/ ?# b0 P# Z' R* _MCE Mission Control Element. MCG Midcourse Guidance. / x _$ L( x1 m$ w9 W) V' iMCI Midcourse Interceptor. $ {. k0 m+ @0 i) W* J; m; [9 N. bMCLOR Marine Corps LORA Model (USMC ILS term). MCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 8 y+ W$ l0 ^) D' j9 g6 k- j0 S178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. 8 S2 P. _% W% v" E- b, Q4 U! ~MCP (1) Materiel Change Package (US Army term). . z4 Z/ a& c4 p. v( Z! H/ ?(2) Military Construction Program. : A; E7 }1 {1 |" I" d1 eMCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. & H- B" N/ W/ v! | B, |. Y5 ]. ]' eMCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). # i ?6 i H' H2 B( {MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. ! {/ ~6 Z1 X. h* [( ?MCTR Missile Control Technology Regime. " P/ G7 d( o5 s' vMCV Mission Capable Vehicle. 9 [% O6 v* i# T* w8 e8 D- lMD Missile Defense. $ M' r m& U- Q) E& m; e9 vMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision , ^, v0 P5 B/ @3 \- L: wAuthority. (4) McDonnell-Douglas Aerospace. 1 H6 V6 ]9 d+ l% O% l* gMDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. * {4 x( }) D# r( R; X0 a( JMDART Missile Defense Activities Review Team. & b( _9 \3 c; NMDBIC Missile Defense Barrel Integration Center. / k' u6 |( z) p* o \MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. (3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. MDSTC Missile Defense and Space Technology Center. * d# B6 r: L- X G- N2 EMDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). / O1 B# C" O; |9 bMDTOA Mean Downtime for Outside Assistance (ILS term). 3 C7 d3 \/ M4 I. [MDA GLOSSARY, VER. 4.0 M 179 MDTOR Mean Downtime for Other Reasons (ILS term). " o& ^+ w9 ~# f5 U* x7 X3 s! IMDTT Mean Downtime for Training (ILS term). , M2 ?+ ]+ Q; X: ~% @/ _) g& ?MDW Mass Destruction Weapons. / w2 [1 m1 Z1 iME/VA Mission Essential/Vulnerable Area 9 T' N y1 _/ b6 D4 uMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. 5 @$ h5 X ~" i+ I# h* ^Mean Time , p9 D. c/ h: z# }" F$ ~. cBetween Failures % Y: v' i8 f" n$ E(MTBF) A measure of the reliability of an item. Defined as the total functioning life of an , c/ r3 c( v" h0 r2 e. aitem divided by the total number of failures within the population during the 5 P, f2 ~9 F5 e( Emeasurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. # D0 z9 l7 Q" Q/ bMean Time To : |9 N `3 o- m f2 o8 M8 HRepair (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 0 G! B. q3 d- \; E: F1 x/ Y+ Lof maintainability. Mean Time to 9 X& i7 k0 [1 f2 `Restore System j) g! G# r! z6 M% u% A% z/ l/ g6 ?(MTTRS) 3 M" p' `+ _( u: m& ]A measure of the system maintainability parameter related to availability and 7 F6 C# D) z/ r+ d' {+ @! Ireadiness. The total corrective maintenance time associated with downing # c U% T7 ? w4 j. Z8 Z$ I& eevents, divided by the total number of downing events, during a stated period of - D: l. {; {% c: l: h7 ^ V% c7 Atime. (Excludes time for off-system maintenance and repair of detached 7 y, m: u1 \1 d0 @8 X$ {4 c0 rcomponents.) MEASAT Malaysia East Asia Satellite. Measure of Effectiveness ! n- | t0 p6 j. q8 g(MOE) The quantitative expression (sometimes modified by subjective judgment) of the & F' W: b: N& m' P1 @8 E. s- c! jsuccess of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). ) E. o- q, v) U# tMedium Earth 0 }, m6 B2 u( `% r) D; A" t8 aOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, " A% h* @: p2 Jlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes 7 i& N6 G) z: f/ _$ e! Rup to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special . G' l, T& N5 e* p1 m: q+ t" Aprotection. Medium Extended Air Defense System 5 ]6 n, ^2 a+ Z" r+ m- h(MEADS) ! x* Q1 H/ |# `6 q4 oA lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and ( H: }- O' ^, o1 M& e( Hmaneuverable corps assets. MEADS superseded the Corps SAM program in ) Z y, Y" t7 o" E+ Q1995. ! S# d3 k' y. u# i" A, r3 ?Medium Power & n. z! M: C. W" A( lLasers 9 w- c3 @$ z" n7 {" A. ^Lasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. Medium Range Ballistic Missile (MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. * d( ]5 Q/ a# n7 S1 ]Medium 9 u: r5 ^. B# zWavelength Infrared (MWIR) " y7 e) O$ S2 SThermal radiation emitted by a source in the electromagnetic spectrum + \9 ^( H4 K( M) Q9 e) Rencompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M . C: o1 g- N: }180 6 k3 h: i2 R! G3 w5 ~. o% eMEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. 9 Y5 Q$ F p1 u" x! Y0 t3 |MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of Agreement (MOA) ! f5 ~/ w! E6 n( z$ C9 i5 G/ j5 A, z(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 contract administration functions on a specific contract or program. ( W" z' p, ~. c' z(2) Any written agreement in principle as to how a program will be / r9 v8 J( S( A6 ^8 J: d; d8 aadministered. + S0 S9 {* l$ D# ~/ v- |5 W8 g- R) NMemorandum of + D: O* o! l8 T1 P- nUnderstanding (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 5 W% c) e( {2 }based on the rights and obligations laid down in them. ( o+ Z) R v! i: ~9 z" i8 MMEO Medium Earth Orbit. MER Manpower Estimate Report. + H% H4 Y8 ^0 c0 z4 ZMercury Cadmium / j8 } Q& L; W5 Y) p/ v3 XTelluride (HCT) " L" W l7 L, ^ o1 \3 @( UInfrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. - F& q; G% b# q6 O8 q9 Z8 wMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods 1 ]$ w2 P' d4 @7 m7 q$ t" rEngineering The technique that subjects each operation of a given piece of work to close 3 A( B( K, M, E: ?" F: e. {/ T/ k* Tanalysis to eliminate every unnecessary element or operation and to approach 4 C( Z+ b/ ?; g4 |) u. |+ ]the quickest and best method of performing each necessary element or 1 ?3 a2 O2 P% t' [* Foperation. It includes the improvement and standardization of methods, # y% U6 |- i# @) A9 t* dequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. ) W( c, W' X& [) `) j2 Q2 _4 WMETO Minimum Effort Task Order. / _$ D9 A' }5 F4 \, n" v3 E% eMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. % L, [0 x9 Q+ v$ L2 }8 w% V$ m& l& G0 }METOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software development process. MDA GLOSSARY, VER. 4.0 M 181 . ]( w' W7 I% [* I- h; }8 n9 v4 ZMetrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to 0 N+ e% p+ ?$ a0 n- c! g/ Jdetermine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. MeV Million Electron Volts. , n t5 l: r( l# PMEZ Missile Engagement Zone. ! u3 x: v% R8 `/ uMFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. MFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. MFR Memorandum For Record. : E) ^4 f/ K! T3 \3 ~6 MMFS MFS Communications Company, Incorporated. ! B. m, @/ O4 Z5 q4 Z TMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. , ~" X- c/ ]4 W, o' n" eMGLI Midcourse Ground Launched Interceptor. 6 M+ }' d J7 r/ }" s6 VMGMT Management. MGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. # u1 J- w; E0 \7 `% E) cMHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. ( \2 O r2 f [/ A7 t% S5 Lmi Statue mile (5,280 feet). MIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). 8 x6 ^/ |/ [8 `$ f/ ~Mid-Course Defense Segment (MDS) 9 x$ Z* H- f; L. I8 LThe portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. Midcourse : u' H0 _5 t4 y8 a$ l: B% u) `/ M! [Guidance # w! S# R9 l3 I0 e$ c) }The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. 5 i2 d- W$ b8 J$ K8 a9 Q; ?9 E) ZMDA GLOSSARY, VER. 4.0 M 182 Midcourse (MC) ! q$ F3 H0 b' _' K1 L. u( B- WPhase That portion of a ballistic missile's trajectory between the boost phase and the / f2 n; h; E5 xreentry phase when reentry vehicles and penaids travel at ballistic trajectories ( I! k3 N0 u* ?, K* ~9 S& U# g; ?above the atmosphere. During this phase, a missile releases its warheads and decoys and is no longer a single object, but rather a swarm of RVs and penaids # G) Z, u/ o$ \4 Ofalling freely along present trajectories in space. Midcourse Space Experiment (MSX) Designed to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target 8 D/ |% `( I3 T T; ^9 X9 |1 |! G5 bsignature measurements. 9 K c5 ]1 q( A7 Z& h& C: WMidgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). , \( X6 C# }! o& V+ yMIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. MIL-HDBK Military Handbook. MIL-STD Military Standard. " ?3 |( _& \& g* t V6 g" `MILCON Military Construction. Milestone Decision Authority " n, ~. H5 a! X) ?0 u1 {7 Y; A$ d! HThe individual designated in accordance with criteria established by the Under 1 I& _* }& a# [3 j( c; M4 YSecretary of Defense for Acquisition and Technology to approve entry of an + Z5 M7 L4 c4 V: ~8 oacquisition program into the next phase. " p! K& v% n# r2 R/ \! WMilestones (MS) Major decision points that separate the phases of an acquisition program. Military $ w5 G @; ]8 H* m+ _% zCapability # ?8 E3 x* |( X) M, W# HThe 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 equipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity : v2 F. Z5 ^. z3 e' Ato achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary to support military effort.