航空缩略语词典

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Kinetic Kill Vehicle 3 ~+ o2 y, m- {, l$ a$ dIntegrated Technology . n* [8 }# t- y2 t. p8 }' hExperiment (KITE) A series of test flights at WSMR to demonstrate HEDI technologies. " a) ~# i6 S; D* m* Z) J' D4 }KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. ; U' H' K* q6 A. |/ d. RKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. " v, o: O' p7 z ^: IKm Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. + p1 J; a0 j- ~1 p' p# z. kKMRSS Kwajelein Missile Range Safety System. . @# W6 ]- e, k9 ?! g/ uKPP Key Performance Parameters. - f! t! i" O# A5 E) GMDA GLOSSARY, VER. 4.0 K 4 N9 D/ f0 _7 k- g159 Kr Krypton. KREMS Kiernan Reentry Measurement System. , B( W9 h& C6 \1 F$ _1 wKSC Kennedy Space Center, FL. Kt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. B0 w1 `5 X+ H4 c0 @' ~' K# g% c) y4 IKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. 0 r% r- r. H" U1 ~# `KV Kill Vehicle. 1 C# ~9 L$ @9 B, Kkw Kilowatt. KW Kinetic Warhead. ! V5 P" `& r0 R; LMDA GLOSSARY, VER. 4.0 L 161 2 J6 ~$ p5 Q. b% R4 |2 nL&TH Lethality and Target Hardening. 2 |1 j9 U, h) b0 L; o I& M* J) k& @L1SS Level 1 System Simulator. 2 H( x `( j6 t0 y, C, mL2SS Level 2 System Simulator - NTF. & C* ]; l6 M* S, O: n9 TLAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. ' |. N8 ~ z6 v7 L- XLABCOM Laboratory Command. 9 X& c) m' t% W, S% ]6 c7 pLABM Local Area Battle Manager. LABP Look Ahead Battle Planner LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). LACM Land Attack Cruise Missile. " X# S( B1 P, b; i- O2 CLADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. # g$ m! d% a9 s5 p; N; r f4 `Successive salvos of salvage-fused RVs attack. The detonations of one salvo disable local ABM abilities so that following salvos are able to approach the target 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. 5 z9 |8 }' g& ~LAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). 1 x: G8 A& A8 {8 HLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. # ^4 T) C" g) M! [, _/ f7 u2 CLAO Limited Attack Option. ; w, z5 t a' _/ A+ V8 [; @LAPL Lead Allowance Parts List (Navy term). 0 c$ \( L% I6 f5 X# l# o2 hLARC Langley Research Center, Hampton, VA. MDA 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. 1 E& l' J% X3 `3 |) I8 z1 }* HLasant A material that can be stimulated to produce laser light. Many materials can be 4 b+ x1 J" c8 P: H! u, V! b5 Hused as lasants; these can be in solid, liquid, or gaseous form (consisting of 6 W% T2 f/ ^0 E) W4 ~ qmolecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon , D7 y& f5 A4 b$ u% A0 ]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. 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. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. Laser Detection and Ranging (LADAR) 2 h9 k S0 D! f4 M- e2 KA technique analogous to radar, but which uses laser light rather than radio or ' g& r. k) b1 @! f$ r. emicrowaves. The light is bounced off a target and then detected, with the return 7 }: l' e' X3 M7 k7 pbeam providing information on the distance and velocity of the target. Laser Guided Weapon ' R6 k( `3 K5 X% x0 ZA weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance commands to a control system. The control system then guides the weapon to $ Q# |6 p4 y& Mthe point from which the laser energy is being reflected. Laser Imaging $ z3 _8 h/ M8 C6 ]3 G2 t! RRadar / O- g# e0 s0 FA 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 ' a/ _7 f0 q' p, r! j5 G Sthan 1 watt/cm2. 2 T" F; y2 ]" X0 h- ]1 WLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected % @+ @" Q! g2 [1 _6 ifrom a laser designated target and defines the direction of the target relative to 9 g& @" R+ q* I2 |4 |- C- K" Kthe receiver. See also laser guided weapon. Laser Target Designating System 0 u$ U+ Y( B" mA 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 control components necessary to acquire the target and direct the beam of the laser energy thereon. Laser 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. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent $ ~" s# J: X6 m3 Nradiated power greater than 1 MW. ) D+ ^! I5 g; b1 k5 p) ]1 Q3 O QLASERCOM Laser Communications. # ] w6 B1 [9 C. \$ \! D4 hLATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L , d2 I2 c) M) s+ ], H2 e163 % R+ _- E0 T% j) y# ALaunch 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 , D9 S/ e1 A7 J- Y& Aof the booster type. (USSPACECOM) / N, u, a# I( G. c% P% hLaunch Point : J/ a8 e( z! T1 L& xDetermination With computer methods, uses missile track observation to estimate the point on the earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under 8 [- q$ T( p3 V* dAttack (LUA) : {6 E! f1 h+ J! U9 W7 w6 nExecution by National Command Authorities of Single Integrated Operational 4 V0 ~4 k; K' a2 m$ { nPlan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. , x d1 I- P5 s- HLaunch Verification - C# O- R# F" L% E+ fConfirmation 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 # h6 r$ w- M, H! u* Ibooster launch. 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 ' h# v0 n* e5 y5 }4 s$ M" K" B; x' glayers (e.g., midcourse, terminal). % L' L9 F7 ]! \+ X, B6 w: dlb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). 2 S4 [' C0 d' s# w6 X7 N4 \) oLBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. ( x: `& w+ g5 g4 [LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component Commander (JCS term). 8 P" u0 d/ B! W' Z1 k( E" x' \LCCS Life-Cycle Contractor Support. LCF Launch Control Facility. & [) L" C3 L/ q" v% {LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). ) W6 E/ k- w5 E& P4 p7 f, VLCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). 6 x8 s" P1 s0 C- }+ tLCS Laser Crosslink System. & O) u" f$ z6 P& oLDC Less Developed Country. 2 [. H2 {3 R t3 o: ?LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. 2 N- L$ z1 M. @9 o- Q2 FMDA GLOSSARY, VER. 4.0 L % v0 {0 @2 e# q9 i9 t164 # d) l3 W5 {+ R4 g2 f1 k% m1 YLE Lethality Enhancer (PAC-3). Lead Component/ Service The DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint # s4 `4 S L6 f, h$ Yprogram. LEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted / Q K; ], d0 p8 A, ileakage is “budgeted” among individual BMD phases and functions. " w5 }$ B0 X4 ~; sLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed 8 J* K. f) Y& t- Y0 L0 h C4 was a percentage of the design-to threat. To ensure overall system performance, # J6 a8 H- N0 I' D" P6 |9 ?permitted leakage is “budgeted” among individual BMD phases and functions. 8 v. E* J& q& i% j% zLEAP Lightweight Exoatmospheric Projectile. - X9 t8 H1 C; ^0 X4 k/ [LEASAT Leased Satellite. Least 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 # n, T: V. ]( x0 eauthorized tasks. The application of this privilege limits the damage that can x1 [. M5 r' y' }6 W$ a9 `" z9 ]result from accident, error, or unauthorized use. # I+ R+ D7 w6 iLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. 9 `( ]7 `& R! c" j% V8 K, R% t0 m6 M3 e(2) Link Eleven Display System (USN term). 3 x! l6 d: k: r8 d4 y* kLEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). # r# {- o3 w2 w7 Q4 ?8 mLEL Low Energy Laser. $ M4 X) A$ v, l5 RLELWS Low Energy Laser Weapon System. % Q5 e0 A, j9 L8 B8 XLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. Level of Effort (LOE) $ C/ K3 Q" ^' E* b. s' y, O+ ^Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. Leverage (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. " a" r, X8 P' F9 I( t% i) J(2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 6 [0 u2 V) A0 M9 |; P7 z& c. j2 J165 9 C, `! o) G$ f' ~0 A. NLFIE Live Flight Integration Exercise. 4 M# S2 y$ M" P. n: |LFOV Limited Field of View. . ?4 E4 _- d4 @* g9 k8 B( O! V! LLFS Loral Federal System, Gaithersburg, MD. " g7 i6 D, [- A- \3 }7 x. ILFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. LGM (1) Laser Guided Missile. ! o: y1 \' u$ l/ O" o9 t, r(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). 1 y: Y+ {- f8 _( T" pLHO Amphibious Assault Ship. . O) E% }, q$ P2 X0 qLi Lithium. 9 W' x# f0 b# i4 aLIC Low Intensity Conflict. 1 Q+ C: T3 M) N0 C% q' aLIDAR Light Detection and Ranging. ! N6 k: m y$ O+ D! O8 v7 |Life Cycle (1) The total phases through which an item passes from the time it is initially 4 ^* W1 F# ^- ` L) [developed until the time it is either consumed or disposed of as being excess to all known materiel requirements. (2) (Software). All the states a software or software related product passes , e0 x" E- s9 p2 g, d2 Q, v& g5 ithrough from its inception until it is no longer useful. + Z1 p& P% o0 o2 {6 w5 NLife-Cycle Cost ! Y- G( B) k* W. d' S; s(LCC) The total cost to the Government of acquisition and ownership of that system $ ?/ X( u- g, }1 Y) M% ^% v% Kover its useful life. It includes the cost of development, acquisition, support and, # P( ^1 \" G' Z5 ^where applicable, disposal. ! r" D* O, K& WLife-Cycle 9 c/ e" c/ G2 ?; k' J2 c, `Management 8 e F+ F- ^9 P4 g$ B5 X6 dProcess for administering an automated information system or hardware support * w% S# q8 b$ o" v' D: Lsystem over its whole life, with emphasis on strengthening early decisions which S, l3 C" o6 z- R7 v2 e* t, fshape costs and utility. , m" Y, t$ ]% }) oLife-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 $ Y" x Y' N& w" b% Esystem from the definition of its requirements to the termination of its use. & q2 q. k* e2 p2 xLife Cycle of a 4 k' m% @3 K0 a2 Q TWeapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and ! q9 T" h, l6 v6 edisposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket ' ]8 F) ]( |* x! Lcontains subsystems that perform power, communications, and environmental protection functions. f2 n' w5 ?. e1 _: W% @7 {' fLight Detection and Ranging (LIDAR) A precision probing instrument used to measure concentrations of different 2 i4 w5 V- b) ]5 N* igasses or particulates in a given amount of atmosphere.

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Light Replicas ; D G$ b" q8 x# J9 I$ C: c% `5 o(LREP) # N4 ^1 o% b$ F& oDecoys that, by virtue of shape, closely approximate an RV’s signature with little e. }* ^* K }. I loff-load penalty. , N% M" p0 L3 d% wLIMIDIS Limited Distribution. : G* ~# o$ @# R e# M, O- d0 _7 _MDA GLOSSARY, VER. 4.0 L 166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is : s% D- S. }" a. w! A3 }geographically distinct. Not an all-out attack or mass wave. ! B" n, y: l6 |7 rLimited Defense System (LDS) ( x2 ~$ g$ _( F# F- r* t. `The development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile 4 A0 s5 m% k# }" ODefense Act, as revised) capable of providing a highly effective defense of the 6 W. }; c. u3 e: jUnited States against limited ballistic missile threats, including accidental or unauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. @- z6 p# H" \+ k/ tLimited Operational Capability (LOC) ' h8 _1 K0 F8 H+ X9 ~3 v, w( D/ W, CA point in time when the first set of sensors and weapons can be employed to / R5 U; e5 {) h% U+ Z0 G! i: f& u2 Z; Dprovide a limited protection system. Limited Production 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, 7 x' ^9 T, N% w- o2 Z# l5 C1 gmanufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision / \( X; U, O0 R5 V2 G) L! @usually made near the end of EMD or at Milestone IIIA or equivalent. (Also 6 _$ j% S. V7 ]; Q% j( t! Mcalled Low-Rate Initial Production or Pilot Production.) . R5 g0 f. N& a6 [8 qLimited Test d- a+ ?. B3 |0 [' V) z4 E- YBan Treaty 7 Q- {& j( W( C* r9 AThe 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 ) x! q2 R0 v2 T( Iunderground, 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. ! F* H. w+ Q) j3 Y3 I& Z* h7 Q bLIN Line Item Number. $ j/ D7 O p% G. ~+ v( X' SLinac Linear Accelerator. Line Item (Budget) A specific program end item with its own identity (e.g., B-1B Bomber). 7 H8 |8 G1 @, s2 ?0 X- ]% ]" TLine of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. 2 s0 U# |3 X% u1 x( l: F) _& ULine Replaceable Unit (LRU) , H+ @: N" q! R+ g) |+ BAn essential support item removed and replaced at field level to restore end item to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). Link-16 TADIL-J. 5 ^$ f6 F+ z$ a' }0 \. ?! B HLink Quality a# s% g& R. N9 xEvaluation This testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. " J( _6 t' V6 m; ~4 U6 n# D2 cLiquid Fuel 3 k4 z: V$ l+ P- iBooster (LFB) ( p6 Z' s) A V8 K2 N" pTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. LITINT Literature Intelligence. 3 i' V$ x, g% u# _' s. t8 [8 ~ p% d8 LMDA GLOSSARY, VER. 4.0 L 167 . K/ V& Y2 t' x" s9 P& ELive Fire Test 7 |! f( H( |" O+ J7 `& \% kAnd Evaluation " w6 s: ^$ s R3 E(LFT&E) / ~! p- w. @2 i# ^! ~+ lSurvivability testing and lethality testing required before full-scale production. 2 M5 W( z: f+ ?0 HMust be conducted on ACAT I and II programs for: (a) A covered system (a conventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered 8 ]1 w3 S. e3 dsystem. LIVEX Live Exercise. 9 `! |- s$ B9 ~ Q: ?/ BLIWA Land Information Warfare Activity. LJ Life Jacket (BE term). , I" O1 b: n% @& p, s/ PLL (1) Lincoln Laboratory, Lexington, MA. - p& J/ H: Z0 E, |4 @(2) Legislative Liaison. 6 L' t% L( e/ u# ~" |LLM Long Lead Material. & ?# i' `8 G1 G' ^LLNL Lawrence Livermore National Laboratory, Livermore, CA. & r& K/ |) ?3 S( m7 s8 X3 eLLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. 8 l' R4 |1 z" W) ]3 L(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. LMA Lockheed Martin Astronautics, a defense industry contractor. LMANS Lockheed Martin Aeronautic and Naval Systems. - D0 N8 M7 @' x6 ]3 Y9 i. @! u+ pLMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. & ~8 X9 N; |' A$ R! Y9 U! C% w! FLNA Low Noise Amplifier. LNC Local Network Controller. 1 @1 X& `; |2 X/ WLNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. 0 `; S8 P, v2 J7 CLO (1) Local Oscillator (Electronics Engineering term). 6 T- g) j; C, o0 m& l+ X2 D(2) Low Observables (LODE-related term). + T0 ?2 V% Z# uLOA Letter of Agreement. $ |) {4 g* {/ P" pLOAD Low Altitude Defense. LOC (1) Lines of Communication. (2) Lines of Code. * T4 n6 p3 @$ G% |(3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L ) D7 n2 p/ [9 ?; v. z( g168 & `: u/ V& `7 w) i1 A# oLOCAAS Low Cost Autonomous Attack System (USAF term). ) X; M% x) s7 R- p3 f. ~3 VLocal Assessment of : a& V. @1 U& eEngagement ! Q5 ?/ }- O5 R/ p/ ]4 `, Y' x6 IThe assessment of an engagement by high-resolution fire control sensors. Local Environment The ISTC Local Environment contained within each node simulates the element 7 a0 G5 h: ]( d: Jto 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. ( g, \8 d2 F4 L# B0 g2 uLock On Signifies that a tracking or target-seeking system is continuously and , R% I$ A2 Y1 a( F! Bautomatically tracking a target in one or more coordinates (e.g., range, bearing, elevation). 6 R" ^. a0 C& W; a" t, f7 ?) [LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. LOE (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. / D; b8 k7 D4 y Q: `/ ?LOG Logistics. . @$ k8 j0 p2 w8 K% g7 ELOG.WIPT Logistics Working-level IPT " T* k( F1 e5 zLOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. 5 ]. j6 |* A! k0 P0 R" ^LOGFOR Logistics Force. % T3 I3 O5 g! ALogistics The science of planning and carrying out the movement and maintenance of 4 s( W& o5 c# l6 r) kforces. In its most comprehensive sense, it includes those aspects of military 8 t" x, J, x' e- I: s, ?6 Uoperations which deal with: (1) design and development, acquisition, storage, ) s' M4 {5 L9 I7 M6 X1 Smovement, distribution, maintenance, evacuation, and disposition of materials; 2 z( U/ K% q* H" h. g& [6 b(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 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 / W! U" i. V' T" F8 b* Y4 Osystem in the force. Logistics ! h' v% N" y' t% fSupportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; 8 p/ E4 A1 ~5 R5 Y2 R: g! stransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. : ^8 ~" w# q7 y/ K9 ~MDA GLOSSARY, VER. 4.0 L 169 Logistics Support Analysis (LSA) & d+ e* j: s% a7 bThe selective application of scientific and engineering efforts undertaken during ; h' ]0 _+ c ^5 D* Z: Hthe acquisition process, as part of the systems engineering process, to assist in: + a1 O: h# M6 j# I/ acausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring , \$ B2 B) f+ wthe required support; and providing the required support during the operational phase at minimum cost. Logistics Support 0 L- F5 M8 _0 V" @' PAnalysis Record & R1 ]5 X/ z* _, D1 O$ d4 m# x9 a, A- w(LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document 1 B/ ?; G. U) c- [3 u0 Loperations and maintenance requirements, RAM, task analyses, technical data, 5 K+ P$ O$ _2 ^- j! O3 d1 nsupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply / n0 F' I g. w. W2 d Yprovisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. 0 M2 [. W( }) D$ \+ R- DLOGPLAN Logistics Plan. / n3 q* {/ y: b0 [( `+ m. u$ HLOGSIM Logistics Simulation Model. 3 a, }2 A3 Y$ p. H! yLOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. 4 p' N8 S% L) s8 M3 iLong Lead Items 3 A1 M/ W% b& ?. S8 q7 H" V- PLong Range Air 4 t( G( Y' k1 E1 Z3 ^- aLaunched Target % W" R7 U( K; G0 O" \# r0 S6 y; }. J(LRALT) Those components of a system for which the times to design and fabricate are 3 V5 c4 Y6 l6 V2 M& Kthe longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. Two-stage, air launched ballistic missile target being developed for MBRV-4. % }9 \, s7 N; D$ [7 S$ vLong Wavelength Infrared (LWIR) . S1 @# }( j7 Q3 M2 M8 YThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. _5 l! g: C& l% XLOR Level of Repair Analysis (ILS term). LORA Level of Repair Analysis (ILS term). 4 L/ f) w S: X' p& o; tLOS (1) Line of Sight. (2) Large Optical Segment. , T" g; b8 `# k5 ^) ]$ bLOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude ; P+ A3 a" j- q X% jDemonstration # v0 o, `. n) m; Q: B, i- J7 WSystem (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 demonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low f Z) x; @# h" f6 \6 g6 N" G M( tconcept and collect phenomenology data. + [3 A a" p6 I2 y, LLow Earth Orbit (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 minutes up to 10 minutes over a tracking station), short life spans, and are most % ]% v3 P4 M1 `! Msubject to orbital perturbations due to atmospheric drag and earth gravitational ; Y& j: L. ~1 P0 yanomalies. # e7 H: E' C: ~. gLow / M( L4 z! y% k7 Z+ Y3 v& m/ ?Endoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 9 p: G: z8 h; oLow-Rate Initial ! e7 w* Q# ~# n- T- @Production (LRIP) The production of a system in limited quantity to provide articles for operational 2 p% B" n! s$ {& v% M; F" V0 G% Ztest 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. LPD Low Probability of Detection. D8 @' w/ T' H m2 TLPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. : D6 l/ i( E& a1 SLPI Low Probability of Intercept. $ Z, n( g* h( W( ~LPS Limited Protection System. + L0 W8 F* l. S$ S+ ULR Long Range. 2 k! o7 V) _. Q1 nLRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. ) g; f7 x" a2 C. CLRB Liquid Rocket Booster. 0 J7 ^0 F4 o& \% E5 I6 XLRC 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. LRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. ) \3 U4 m* u" ~* \& RLRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. 5 Q) {' Z7 c. V3 [( `/ `8 ?* D" j) sLS Launching Stations (PATRIOT). LSA Logistics Support Analysis. [+ S' ?: G" E+ B) X! a; ULSAP Logistics Support Analysis Program. " n* D# L" _. @/ M' V; hLSAR Logistics Support Analysis Record. ' F7 h. C$ h$ g1 F3 k0 F7 Y4 X8 f9 zLSART LSA Review Team (ILS term). ' N6 M, G8 h( V# a3 R+ C/ b% ILSAT Laser Satellite. : {( \# L8 R/ n9 q5 I% iMDA GLOSSARY, VER. 4.0 L 171 3 g3 b( r6 c0 z7 S: L- u$ [LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). , \& Q" o" ?0 n/ J$ T) lLSEA 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. LSTS Launcher Station Test Site. LTA Lead Time Analysis. : n. @; A" B* MLTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. 4 B8 Q V4 T2 i5 ^; Z1 j3 ILTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. 8 A6 m+ P6 N2 nLUA Launch Under Attack. ' Y* N) P, }0 a5 @5 G$ QLUP Limited U.S. Protection. . R$ e- n4 B3 E# g2 o2 D; I' mLUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. 3 K. a3 w* |- y' [LVS Loral Vought Systems, a defense industry contractor. LVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. , d# m$ w5 [4 A5 s- O2 W' K5 D; WLWAN Local Wide Area Net. $ Z2 \4 P0 l/ ^+ \ U: oLWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. / a8 _% e% t7 r2 Y2 n7 ~( HLZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 6 x" T! G3 p& m" p; {2 [173 9 o! i( y3 G) I( Nm (1) Meter. (2) Minute. " i: ]- f c0 Y( jM (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. M&P Manpower and Personnel. 1 w- j8 D, y+ u+ CM&S (1) Materials and Structures. (2) Modeling and Simulation. + ~/ Q4 \9 ^; J3 H! k' UM-T-M Model – Test – Model. M/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. ) P; T: N3 e w, U) u3 I4 \4 OMAA Mission Area Analysis. : Y. [/ X* j) f; Z1 OMAAG Military Assistance Advisory Group. MAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. " \& `1 q% W) Q5 G(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. ) K4 ]0 y+ z/ v. @MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. / Q3 b9 R2 q& O* S( T KMADS Modified Air Defense System. MAE Medium Altitude Endurance. 1 l, U, _5 H. ~. w/ f) t3 E, }) {MAGTF Marine Air-Ground Task Force. Main Beam The primary directional EMR emitted from radar transmitters. 2 @, E! v& G3 @$ I! ]- RMaintainer An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, servicing, classification as to serviceability, repair, rebuilding, and reclamation. 0 |! ^! B2 y q! H8 g( J7 sMaintenance % U' U4 t1 J6 b) L. [1 a( Q. B/ rConcept/Plan A description of maintenance considerations and constraints for $ ?9 B6 K8 s9 \/ }+ C/ i% fsystem/equipment under development. A preliminary maintenance concept is - t5 q8 }/ d; ^; v# U: kdeveloped and submitted as part of the preliminary system operational concept , {0 ]+ t- V+ t: u7 kfor each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in l# n! b. w7 }% x3 Ydesign of the system/equipment and support planned for it. ( P2 M" ?% ]& P) K1 y% o U' D3 KMDA GLOSSARY, VER. 4.0 M 174 Maintenance 1 Q+ b5 u# \, R4 ZOperations {- A% G4 k; i! xThe corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing and the update of relevant status configuration, maintenance, and inventory ) `3 y: z$ {% y1 L- r' z3 Ndatabases. 4 v) }' f7 ?9 |8 kMaintenance # K( K) M- _) C/ j: _; {6 ?Planning # h4 q5 m2 o& G) |The process conducted to evolve and establish maintenance concepts and , ]. u& f) b R" Frequirements for the lifetime of a material system; one of the principal elements of ILS. MAIS Mobile Automated Instrumentation Suite (USA term). ( p" E: r% A1 m" tMAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). / M, w& k1 l; l" f. X6 L/ |$ uMajor Automated Information . {& [& R( m7 |' V5 ^1 j' WSystem Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense 4 ] [6 Z0 |% Q, B. _Acquisition Program 9 ]+ ~' e3 E2 _$ }! t9 f/ i xAn acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 4 c7 A/ K9 g# B7 w/ s- ?4 F1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or 2. Estimated by the Under Secretary of Defense for Acquisition and Technology to require: ) F4 B' F( o+ \0 q" u6 Q7 ua) An eventual total expenditure for research, development, test, and * J1 {2 z) F' q* O Kevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant dollars), or ( M" L+ S# b7 y8 P; sb) An eventual total expenditure for procurement of more than $1 billion . o2 M9 ~) O& Q1 V/ A9 i: }2 k7 fin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major % l* C4 l& z5 y% l gModification A modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of 6 N# _! u N$ x; I" gthe alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. 1 I$ Q8 F3 l, V+ r# ~4 j+ F3 |0 @0 [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 , i G7 B0 D, |, H" w5 a0 @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 # e) n7 p- m+ C# fUnder 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 0 D+ s" {! _ v, N9 O w(approximately $115,000,000 in fiscal year 1990 constant dollars), or # R+ k7 Y) o, t1 T( U- {: t" g2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). / S1 t, ^) E" U: I; Y X5 pMDA GLOSSARY, VER. 4.0 M " E0 ?$ ^8 R& `8 H175 Mandatory Access Control " F2 P7 |) K$ _& P+ ]4 z) gA 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 ' Z: j5 T# s% ~4 V$ `3 n6 b0 tReentry Vehicle & C, k% Y: ]0 ^) x(MARV) ) q8 B; L+ M# IA 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 9 m5 X' O3 w+ Zfall ballistically. They have no ability to maneuver in space. 6 w2 w& u3 l' k9 f- `* }0 F: mMANPER Manpower and Personnel ILS term). Manpower # S* O/ O& G/ x2 O1 \Authorizations The billets in the manpower requirements structure that are planned to be filled. : B/ Y; g' v4 |, D' f8 n8 ~Manpower Estimate Report (MER) An estimate of the number of personnel who will operate, maintain, support, and / ?! l/ s- f" z! p$ u# b- @train for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to $ h, W$ Q8 N0 ]+ napproval for EMD or production. 0 w% w4 D! X, s- ^8 i$ ?! QManpower, Personnel, Training, and Safety (MPTS) The human dimension of the complete defense weapon system. The term ~" z0 S4 g9 d x( uMPTS also encompasses the concepts and disciplines of human factors ) L% \2 b8 U" x! x# ?engineering and health hazard prevention. ) V: l# Y9 e' f% g& c* cManpower, " {' ~2 p7 C p# N8 G; _. T% }) WPersonnel, Training, and Safety (MPTS) Profiles 5 }; P( c( L' Q! G2 A' F7 k7 Y) hA description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions and categorizations of occupations, aptitudes, individual skills and " A, T4 J$ g: M. _# hdemographics, training system characteristics and components, potential system ~! D( e3 t& l5 S* p! Nhazards, 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). 2 S+ \# ]. F! Z3 e* x7 AMANTECH Manufacturing Technology. Manufacturing (or 2 |7 |* v) p& O( L+ d8 A" E1 DProduction) Engineering Pre-production planning and operation analysis applied to specific product ! b) h# _' w* U- N% Y0 D X; k8 ndesigns. The functions of planning, specifying, and coordinating the application 6 W9 k3 L' H a& n0 {of required factory resources including: performing analyses of production operations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and - |6 Z# d/ _5 a4 W; vemploying cost control and quality techniques from the factory viewpoint. Manufacturing Operations, Development, and Integration Laboratory - s( z. _% C, u; P! `- k) z" M2 C& v(MODIL) 5 X7 l. n7 X4 M; A9 J" R9 K; U) iAn SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. 6 `- v9 O6 J, Z% @# A2 a1 z, WManufacturing - a0 W* f3 p1 t- }6 `) ^/ U! TTechnology (MANTECH) 9 l) j/ V% V' y0 k: ]1 ?Manufacturing technology refers to any action which has as its objective the * A1 {! r0 }) @timely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, - ~& I) Z: Q; h7 F# Hand the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific DoD program in this area. 2 R' s" @" q8 _# M! mMDA GLOSSARY, VER. 4.0 M 4 m m& H3 {3 C7 m176 % K5 u- ` L! S* lMAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. 6 {& }* A2 X# y! v& E! [MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air % Y* D8 T% y; d% L8 P& w+ W" ECommand and Control System A US Marine Corps tactical air command and control system that provides the " E/ F% M% s4 I( J& C; G! Btactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with " Y } ?+ h6 t- @) B5 wother Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual 8 W2 E. R4 n3 L2 l+ b/ wthrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. - K/ v9 P8 r+ e0 EMARS Multi-warfare Assessment and Research System. : C: S# N; e: ~+ M$ {, PMARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. 3 ^: W5 h! G- ^+ ?2 U6 tMARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. 7 O9 |+ D$ p: d s/ i6 }, M% kMASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. % X( _7 l6 ]: B8 WA mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation 3 R8 ]" f; T8 Y$ l1 ^; iModel (SSGM). Matching Ballistic Reentry Vehicle (MBRV) Four reentry vehicle designs (MBRV 1-4) developed to serve as threat 2 {$ B2 r6 P$ _$ ~; _representative theater targets. Matching Target & o: o- g9 e/ W0 m+ W# ~Reentry Vehicle : ^$ E \9 l0 @/ @3 A$ S* _5 f% Z; J(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. 8 v& u$ }5 k$ r6 O6 i# e) S; H) ~7 [Material Fielding Plan 7 [+ k2 ^* q) E& kPlan to ensure smooth transition of system from developer to user. Materials Science 2 R0 k3 b/ `+ w0 {4 HThe science of developing/altering and applying materials to obtain a resultant $ Y& M `/ p$ k9 {molecular structure with desirable physical properties and performance characteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. 5 J) H0 Z7 t; y+ m8 _3 eMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. ! {% _( y# e8 y3 U2 i, l5 o3 U' YMDA GLOSSARY, VER. 4.0 M * q: \# z0 s4 Z4 Y4 i177 Matra BAE Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics 1 s0 m, p5 W" `( A% F/ b sand Matra of France. MATT Mutli-mission Advanced Tactical Terminal. # N9 E* Y6 a" l4 O3 [MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. 4 C, R9 n( s U* |- p/ S7 p. c7 g2 [MATTR Mid And Terminal Tiers Review. MAX Maximum. . `( M: n$ ^4 }; F% o* VMaximum Attrition 9 B9 ^& h* |; i# G2 Y1 z) Q1 D+ tMaximum attrition is employed in a target-rich environment to destroy the + ]; g. I; d) H5 D5 U- ^( ~/ Smaximum number of RVs, regardless of the type, by using all available or ) B& K5 ]3 s5 B) y( mallocated interceptors. This option may not satisfactorily defend specific or , ^, T1 @8 r) m- t# A3 U5 d; Erequired assets. 7 B: W' ^' o/ u) Q' w! VMB Megabyte. 2 G7 y/ d @: |) `# BMBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. 3 e ^: U, [5 T L8 E& RMBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. ' V/ k- z0 a2 a2 f- \$ Y7 i( BMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS 7 N- T) C8 t& U8 |. \term). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. ! S" _2 _, E8 B& EMCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. 1 i1 u a$ C) w: ^( [MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. ) ]# Q, d' q7 s2 Z. M; `MCE Mission Control Element. 7 E/ W. H) e5 JMCG Midcourse Guidance. ' G2 m$ L3 i, f4 CMCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). MCM Multi-Chip Module. 6 o* m1 l- b8 _# ~3 D+ l- V) [) p5 WMDA GLOSSARY, VER. 4.0 M Q+ {7 ~8 _' t' R178 ) o7 A6 y" \+ Z- [$ dMCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). , ?5 M. r' }, K+ z0 p. ]+ O(2) Military Construction Program. MCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. & m" C2 l8 P3 Z* ~MCS (1) Maneuver Control System. (2) Midcourse Sensor. 2 V9 t$ ]+ e5 m0 s+ x O; m/ qMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. & R* c: v+ {2 M" b2 K5 VMD Missile Defense. 5 U" ^. d8 M! K( }/ F* vMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. 2 f, D8 f) l- DMDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. 2 O0 W6 U8 D5 C) aMDCI 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. : o6 F% I- P3 v- g3 k(3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. 7 I8 u. _( @) \5 w1 u& [MDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). * I% _7 H+ n* V( c. \) _MDA GLOSSARY, VER. 4.0 M 179 1 E! K, E. g; ~MDTOR Mean Downtime for Other Reasons (ILS term). ' s# u: E: O+ t! vMDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. 6 B* x$ o1 P; u9 q8 n+ jME/VA Mission Essential/Vulnerable Area ! U2 G3 [) P, p* y7 XMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time Between Failures (MTBF) A measure of the reliability of an item. Defined as the total functioning life of an 1 r( x( s9 o% M, A6 V9 ] R/ nitem divided by the total number of failures within the population during the ; t1 R; c5 s% c* D( @" bmeasurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. 3 A8 e$ M9 h/ H, y3 c; X% @, D+ z. pMean Time To / i1 J: i8 s) t* W; JRepair (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 of maintainability. Mean Time to ( M3 p6 i! Y) F. T+ Y6 n+ t6 fRestore System (MTTRS) A measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing - A+ d3 k6 x7 Z5 p/ |events, divided by the total number of downing events, during a stated period of 2 Z7 p/ }0 v' z( X6 etime. (Excludes time for off-system maintenance and repair of detached ( S. N+ N: X7 z7 `, Ccomponents.) 4 \& l! U' I; Y" h: v' HMEASAT Malaysia East Asia Satellite. 3 {+ ?$ ~7 w/ p" Y( w k/ h0 QMeasure of / y. U# l( ^' l* P' Q; IEffectiveness (MOE) The quantitative expression (sometimes modified by subjective judgment) of the - }. A& R+ }1 y% f; T1 L x: \! Wsuccess of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth ! @8 h6 I3 z" F5 _Orbit (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 * i p. O. Y+ zthe Van Allen radiation belts where electronic components need special protection. 1 T, w3 H% ~; i% l8 _Medium D' X; L4 g6 V, {' ZExtended Air Defense System (MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and 0 e8 o: M4 Z. H' N5 v: k1 c+ pmaneuverable corps assets. MEADS superseded the Corps SAM program in 1995. Medium Power 0 \8 S0 o$ ~, S o* l7 w0 t8 p* BLasers - A9 z6 @9 W0 T. `0 @7 iLasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. - a( X- M5 H# m3 r9 O0 P: rMedium Range # Q- t/ D$ G# `" }; T+ R" }Ballistic Missile 0 M+ J: R7 ~; s& w(MRBM) - }; V" S) l5 E( e% o5 WA ballistic missile with a range from about 600 to 1,500 nautical miles. Medium ' v5 @, |* T" r. o/ V* LWavelength & U4 H. N) I8 D4 h. M# L: kInfrared (MWIR) 3 f$ x- ^. v7 a( h; R f9 @Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. 3 O B! y9 ~& XMDA GLOSSARY, VER. 4.0 M 180 ( e: _ _) q+ t8 f% y, C; fMEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). 5 M$ Q+ ~. ^2 ^# f; bMEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. $ Z2 C- z3 C5 h* WMemorandum of - j3 X9 K% s$ K/ `# XAgreement (MOA) ' b& f |% {2 Y. [(1) In contract administration, an agreement between a program manager 9 S1 N* t( R& Uand a Contract Administration Office, establishing the scope of * [/ H6 q; O' G2 Oresponsibility of the Contract Administration Office with respect to the : z5 ]! G. }* ~0 q( n' w! a7 vcost and schedule surveillance functions and objectives, and/or other contract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be 2 M, F/ C8 C% F; [4 _administered. $ {: Z: r( F! `$ N7 w; FMemorandum of Understanding ; I7 l5 Y" H) b( A(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 # \; K$ \2 O1 J8 ubased on the rights and obligations laid down in them. 8 J! s/ |; s& q& o1 ]' EMEO Medium Earth Orbit. 7 {+ e c2 j0 E) o0 E" V7 H. \MER Manpower Estimate Report. Mercury Cadmium Telluride (HCT) Infrared sensing material. / x) ]' z8 j- |* OMES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. Mesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. 9 x! u3 d+ O4 s1 ZMethods Engineering . k" x( M2 v5 U7 ~& a o( n( x9 ?4 gThe technique that subjects each operation of a given piece of work to close # {/ Z) I0 V: u3 m" danalysis to eliminate every unnecessary element or operation and to approach ( H! F! B I# l/ t2 a2 I5 zthe quickest and best method of performing each necessary element or - Q- q# Y' J+ G8 f/ s; uoperation. 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. : S3 F; T5 ]: _' b3 J& u7 oMETO Minimum Effort Task Order. ( T; A2 P8 l" Z: V* F' AMETOIA Minimum Effort Task Order Impact Assessment. 0 M8 z9 H1 J# |( l D3 n& cMETOP Minimum Effort Task Order Plan. b* K& A3 [2 a' lMETOR 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 Metrology The science of measurement, including the development of measurement $ J/ {( g. ~3 j# A1 f# W6 vstandards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of / c6 I: z0 |* h# X0 y; e" g/ P, Mstandards and systems for absolute and relative measurements. 9 y' t" C5 T. T2 kMeV Million Electron Volts. ) ~7 l5 _) J3 V( o6 Q9 L8 D# J* BMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. + C' ?. A% R6 N- f5 M. vMFEL 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. 9 E; m1 j# @6 C) z7 r8 }2 TMFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. 7 \6 C8 b; N6 N: g0 _+ t8 `MGEP Mobile Ground Entry Point. ]( D& D f4 w% ^* sMGLI Midcourse Ground Launched Interceptor. MGMT Management. MGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. " g) G2 n4 b* U$ J+ S+ M! XMHV Miniature Homing Vehicle. mi Statue mile (5,280 feet). 1 u: O; E# q$ u1 v$ \0 `. G7 CMIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. 8 B- s z$ M6 C2 y" k$ @6 xMIDAS Missile Defense Alarm System (US). 0 g: p; {+ F' |3 p- A/ ?+ EMid-Course 7 L6 G. w8 v/ fDefense Segment (MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. " f* |4 j9 I% PMidcourse ! A/ q% c% U7 W: c& {: wGuidance . Q1 ?) b* Z8 V& T" xThe 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 $ M* t% d, N& L" k3 o$ w- n- l182 Midcourse (MC) Phase ^% B- C# |- {: {1 FThat portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and * K; d# N: x* |5 h0 {decoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. Midcourse Space 5 W4 x" u; u" F3 M# Q) S7 W9 v1 O, kExperiment ; V+ Q' [! e l* y' e2 ~0 e(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 signature measurements. Midgetman US ICBM. k; r* m+ U! T @, B3 w1 w. dMIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). 8 T+ |4 ^; B1 y1 B& Y# V6 I rMIIRD Mission Issue Identification and Resolution Document. 9 L$ N6 h/ Z9 o' r8 b" FMIJI Meaconing, Intrusion, Jamming, and Interference. ) f$ Y) Y3 a2 j: r6 b% n6 kMIL Man-in-the-Loop. 6 g, h: O2 x G1 J! HMIL-HDBK Military Handbook. MIL-STD Military Standard. MILCON Military Construction. 8 N8 I* @" c6 Z( U* s7 b1 A0 ?Milestone - H8 {1 R' A8 s' |Decision Authority The individual designated in accordance with criteria established by the Under 9 ` o" M6 q* {$ @ ~Secretary of Defense for Acquisition and Technology to approve entry of an $ o- S1 K ?6 V8 h" r& ~" H4 h" Qacquisition program into the next phase. * ~. l0 |8 C6 }Milestones (MS) Major decision points that separate the phases of an acquisition program. Military 5 ^7 W4 a8 n# l* U+ P. LCapability 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, 9 L" [ H3 M/ M; [! ?7 B6 l" bsize and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and - t7 m% j/ w3 `' `3 X6 o' tequipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability 6 R- H4 ~/ `+ N8 z# D0 S-- The ability to maintain the necessary level and duration of operational activity to achieve military objectives. Sustainability is a function of providing for and . l2 R- [7 l! Z, v9 Omaintaining those levels of ready forces, materiel, and consumables necessary to support military effort.