航空缩略语词典

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Kinetic Kill Vehicle Integrated Technology - f, O0 Y, ]2 ~( l8 r! `Experiment " M0 g5 i* t; \" H1 D(KITE) A series of test flights at WSMR to demonstrate HEDI technologies. 5 g# Q: o1 T0 M2 e4 K! Z- ?KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated 6 L/ D3 g8 R: h. Q. k9 ]Technology Experiment. KKV Kinetic Kill Vehicle. # v6 B+ |, t# H, [+ \% VKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. 5 O- p5 s- T. v" mKm/h Kilometer per hour. 2 P, M( |9 A1 L9 xKm/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. ; o% k& R$ N2 @KMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. KPP Key Performance Parameters. 9 i7 `% n# L6 d: A/ [- o0 T6 H2 q! YMDA GLOSSARY, VER. 4.0 K " F7 n3 O: V6 B: a9 I. G159 ; z i" ] W3 E4 z: sKr Krypton. KREMS Kiernan Reentry Measurement System. 4 y3 t: T. X. b4 @KSC Kennedy Space Center, FL. 7 X; i3 w Y& [0 a. M; |Kt Kiloton. % T3 D. B) q6 i7 N3 M1 pKTF Kauai Test Facility, Barking Sands, HI. 0 i. ~0 a- \4 ^6 g: AKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. 8 ^; ?- e8 n9 z" r7 q7 z# {' AKts Knots. 2 F0 r% J1 m! |4 p* y+ j# z7 l6 VKV Kill Vehicle. 3 X& w& n; y, N8 wkw 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. - `* h6 g/ O8 RLAA Limited Access Area. LAAD Low Altitude Air Defense. ) a) S6 t" {3 S6 B4 B4 {LAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched / d9 j1 P+ U0 h wFebruary 1990 and turned off July 1993). Z) Z; h) e2 O/ }/ Q- b; nLACM Land Attack Cruise Missile. ) u1 q0 I: w. H% t& K, D ~/ i% pLADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. 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 9 f. b4 N0 F/ K; p* e& Atarget more closely before being, in turn, intercepted. Eventually, by repeating 2 c8 X: b: M- d8 [" Athe process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). ' W6 [* A* q* W2 { O( YLADS Low Altitude Demonstration System. LAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). LANL Los Alamos National Laboratory, NM. / q/ m$ Z1 U$ z% ILANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. LAPL Lead Allowance Parts List (Navy term). " x/ a* ?' E2 I, D4 ~. ?LARC 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 7 I$ [! Y* _9 E0 V% ]) a# ]9 [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. Lasant A material that can be stimulated to produce laser light. Many materials can be : y& H4 O0 i: w( oused as lasants; these can be in solid, liquid, or gaseous form (consisting of 3 a! _- D& r' Pmolecules including excimers or atoms) or in the form of plasma (consisting of / G! a, E/ S( x" L9 o) K. y7 ^ions and electrons). Lasant materials useful in high energy lasers include carbon 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. 9 X+ @9 J0 ]( ?7 v% P: {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 $ @- r" Q: K: U6 doptical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated * B$ k( |2 u* J& p, M0 M1 {Emission of Radiation and classified from Class I - Class IV according to its 4 d f7 y' D3 n4 A5 fpotential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. , {& ~! R" @1 a# t! A, ALaser Detection and Ranging (LADAR) A technique analogous to radar, but which uses laser light rather than radio or 0 F- f% C! v! Cmicrowaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. ! B9 z2 J, |7 J2 A# @Laser Guided - ^3 N5 h+ j7 u+ Q- gWeapon + s9 p3 j& f+ u2 P% R2 N. sA weapon that uses a seeker to detect laser energy reflected from a laser 5 d( b: z5 J J5 Q! }! [3 Bmarker/designated target and, through signal processing, provides guidance 5 U. f- R1 h8 Ecommands to a control system. The control system then guides the weapon to , }( |" z: f, J0 Q0 o4 w9 |1 j+ lthe point from which the laser energy is being reflected. , \& r/ B, k* R; [$ e& n2 X* V" {Laser Imaging Radar A 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. ]' F" o) S+ {" z6 b6 rLaser Optics Technology associated with the use and control of laser beams with flux greater ; x8 j9 P1 v5 Q8 i" _, ~" Uthan 1 watt/cm2. ; h2 w8 w4 l+ M! v& _1 w+ GLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected 0 C5 N8 O% l) o( Q; S+ tfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. Laser Target Designating # x: p# e1 [- U2 d9 SSystem A system that is used to direct (aim or point) laser energy at a target. The ( g7 k9 t0 p0 H- gsystem consists of the laser designator or laser target marker with its display and , {) }* q, D1 C" B6 `control components necessary to acquire the target and direct the beam of the + z* \: u2 u# p5 g- ?2 W& P, claser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated 0 p' o: z l$ p7 t3 |* L3 fand defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. LASERCOM Laser Communications. " I4 Q3 y# N( a: ^LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L - C5 ?/ E1 X) Y, ?163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) Launch Detection Initial indication by any one of a variety of sensors that a booster has been 1 t9 b( c% q) X8 q+ E7 Ilaunched from some point on the surface of the earth, with initial characterization 6 y) O1 t2 g" b# wof the booster type. (USSPACECOM) ; r7 p* r7 _& i% {Launch Point / x+ Z: d/ ?5 K, t' P+ rDetermination 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. 4 }% @) X4 t4 uLaunch Under ) I& Y1 I- K8 v% G% YAttack (LUA) 9 t, K7 K! m3 w' ^9 rExecution by National Command Authorities of Single Integrated Operational ! Z* n9 G0 r x; K# N: a" `Plan forces subsequent to tactical warning of strategic nuclear attack against the 6 H: ^ k. C+ }& s: f, k0 _2 KUnited States and prior to first impact. : s+ D" {6 f; D; K H0 E0 |Launch Verification 7 S2 v( s4 A. Z9 y! K- EConfirmation 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 ! e! f" ?$ Y3 }9 y# c- [2 B3 Mbooster launch. ! w8 t9 l* J' j' |2 v' uLayered 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 layers (e.g., midcourse, terminal). * g# O- b2 R. D8 u7 klb Pound. " |+ h! x! W' L# P8 r* m$ e1 WLBL Lawrence Berkeley Laboratory, Berkeley, CA. ( H7 e0 E( J; ], s5 @$ N( {LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. ; H6 Y! V7 a1 o* CLCC (1) See Life-Cycle Cost. (2) Launch Control Center. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component 0 v1 D6 F& y- G; o2 F# P" u' nCommander (JCS term). LCCS Life-Cycle Contractor Support. 4 N: h" F) t k7 F- A0 s7 r9 ULCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. 1 T4 I' p' t& V& }, ~0 p: x: y9 yLCN Logistics Control Number (ILS term). LCS Laser Crosslink System. LDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. 3 ]( U" A4 }+ m* s0 KMDA GLOSSARY, VER. 4.0 L " x* l% B4 {8 u+ C164 LE Lethality Enhancer (PAC-3). Lead Component/ " T1 W3 ^$ p5 z" o. R! V5 SService The DoD Component designated by SECDEF to be responsible for management + P+ N& j& l: l7 S! e0 Sof a system acquisition involving two or more DoD Components in a joint program. + J7 r) o; n; ?/ ~2 _. {& T+ xLEAF 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 leakage is “budgeted” among individual BMD phases and functions. 4 \( t# O8 X i( c( PLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed as a percentage of the design-to threat. To ensure overall system performance, 6 K$ ~& J! D4 \1 }4 spermitted leakage is “budgeted” among individual BMD phases and functions. $ U5 U5 V; D& W# g1 YLEAP Lightweight Exoatmospheric Projectile. . V; `5 L' D% i1 N) D% iLEASAT Leased Satellite. ! W) ^ K/ L1 l* W5 U, i, OLeast Privilege This principle requires that each subject in a system be granted the most 5 ^" |0 P; h! jrestrictive set of privileges (or lowest clearance) needed for the performance of " v" s$ f& ^$ nauthorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. % Z, w- V9 `7 M* ?LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. 8 Y. h5 I* |! n1 {, n& E5 PLEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. / V2 @. v, U" P, l/ R+ T' gLEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. f; n1 y" W+ E% D2 q2 J. LLevel of Effort / y, R4 N4 ~3 I0 j+ z" J) a(LOE) 6 z6 ]* U% Y; JEffort 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 2 u' d; M- ~9 Z4 u' a( X& pkill may eliminate many RVs and decoys before they are deployed. This / W0 y! y0 L7 M& r( a; gcould provide a favorable cost-exchange ratio for the defense and would ; }7 r* m n5 Q# e* yreduce stress on later tiers of the SDS. * n( _+ ?+ X" j2 h# o(2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. . B+ ]+ u1 E. }. @MDA GLOSSARY, VER. 4.0 L # }1 {- w/ F' Y6 X165 / j3 L/ D' l z a, fLFIE Live Flight Integration Exercise. 1 t- r0 f& O5 w" K) c: l# J; S$ JLFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. 6 i- H0 Q: _) G1 q D r1 qLFT&E Live Fire Test and Evaluation. ' t% D' [* F$ O0 |& L/ [ Y/ W0 MLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. ) _0 h# _4 ^" X% ]1 p* G(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). 4 m, K: u; b, fLHO Amphibious Assault Ship. Li Lithium. , [. F: r- o' K' q6 k3 o; R" NLIC Low Intensity Conflict. LIDAR Light Detection and Ranging. Life Cycle (1) The total phases through which an item passes from the time it is initially developed until the time it is either consumed or disposed of as being # X0 h1 ~- X, ?% x T! E1 p! M! qexcess to all known materiel requirements. (2) (Software). All the states a software or software related product passes + V8 c% m' I" W$ |/ cthrough from its inception until it is no longer useful. ! _+ t; M! E2 R3 R+ X- zLife-Cycle Cost (LCC) 6 S% I" b6 W9 {7 F0 G$ LThe total cost to the Government of acquisition and ownership of that system + R9 e$ V* |4 J n; O& R4 o dover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. . ]) W4 Q" {$ k bLife-Cycle * _- Y! g9 L$ gManagement Process for administering an automated information system or hardware support 8 C$ Z; ~& w: s6 S; x; ~1 d( Rsystem over its whole life, with emphasis on strengthening early decisions which # Y/ A" V: F' p1 hshape costs and utility. Life-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 / K4 _) d2 ~ i8 wsystem from the definition of its requirements to the termination of its use. / d$ G4 Z3 ^8 ^ ]( p* X. @Life Cycle of a " V. @& p. r. K+ R0 CWeapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and disposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental 5 u" I [$ D: j1 Y- j* Yprotection functions. Light Detection " @& c0 ?8 x! s/ l+ F; dand Ranging (LIDAR) A precision probing instrument used to measure concentrations of different : V" s, P$ D) rgasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) ' n! A8 z1 r8 l( J! PDecoys that, by virtue of shape, closely approximate an RV’s signature with little 6 t" a7 J0 t/ `: N+ G7 K& Ioff-load penalty. LIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L ! \" _& w9 O U. I. X. A7 I166 / I' M& E! z) K$ z1 DLimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is geographically distinct. Not an all-out attack or mass wave. Limited Defense System (LDS) 1 c0 r! \! O6 ~& z" AThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the ! U6 S# F+ N0 d% ?& D: E! KUnited 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. / }9 F" `; V8 O! v/ g7 n* @Limited Operational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. ' W$ L$ @" e6 m* B/ SLimited 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, ) {0 M9 f2 l) k' Wmanufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) + r1 h) T; L" r$ S# sLimited Test 8 `2 }* l: r: z" Z/ [( TBan Treaty ; M: b9 s: s& z7 w. n% Y3 j+ PThe bilateral Treaty signed and ratified by the United States and the (former) U.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. 8 ^/ s- Y3 H* [0 E; kLIN Line Item Number. 3 B6 q1 Z3 G, c/ p" ^+ O8 ~Linac Linear Accelerator. ' O: X$ k# e6 m8 sLine Item , ?3 T* M A7 @% o; [$ F(Budget) A specific program end item with its own identity (e.g., B-1B Bomber). 7 e6 T; i# w" v( C5 Z2 ^: L0 MLine of Sight 3 I7 C7 q5 {9 T; ]$ P) X0 p. \(LOS) 0 ]; k& ~( Z" Q5 O1 N* d# f& d5 _The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. Line Replaceable Unit (LRU) An essential support item removed and replaced at field level to restore end item to an operationally ready condition. (Also called Weapon Replacement . L: N0 S3 {9 P6 l( \1 z4 E8 IAssembly and Module Replaceable Unit). 0 W. N; Y) i4 YLink-16 TADIL-J. Link Quality Evaluation This testing of links to create bit error estimates and monitors natural or induced 3 @/ u, p' H: F; ~1 glink interference. LIP Lethality Improvement Plan. # f$ c( e* ~) E& C8 X; }& zLiquid Fuel & @/ z7 B; y: MBooster (LFB) Target booster being developed to mate with current reentry vehicles and 3 }0 A A* G/ O3 E h, W1 c: zemulate the short/medium range threat. 2 V7 ]' f2 Y. L/ t! ]LIS Laser Isotope Separation. LITINT Literature Intelligence. 3 }# q4 s3 w. {MDA GLOSSARY, VER. 4.0 L 1 Y: s' A5 L8 u7 T167 Live Fire Test ) u7 ?& Y. n( n- bAnd Evaluation ( Y# Q b8 w7 Q) @4 H1 g( {1 e(LFT&E) $ W$ c" C0 G. w2 w1 V3 USurvivability testing and lethality testing required before full-scale production. 0 H6 B/ [/ [+ u* I. uMust 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 % R+ F. j( P: ?8 U& ?: A, Limprovement program that will significantly affect the survivability of a covered $ |: ~$ v+ k1 ^; V4 v" |, _ `$ xsystem. . {/ e" ^! I, N- C& a" V& rLIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). $ E7 Y+ p3 y9 @, o4 _! }* `LL (1) Lincoln Laboratory, Lexington, MA. 6 A& w& L* f# S( n8 r0 Q(2) Legislative Liaison. # t1 v+ ]1 H$ i; ~( }! J# ALLM 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). 1 a9 [ h' {3 k9 A& G' b6 Z2 k6 wLM (1) Lockheed Martin, a defense industry contractor. (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. / e7 v3 F( U: ~$ FLMC Late Midcourse. ! E9 N4 G2 W- _; |* ]LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). # j& L3 L) Z& p6 D. eLNO Liaison Officer. / B5 R) k3 r6 M2 S z8 y8 z8 vLO (1) Local Oscillator (Electronics Engineering term). & [6 Q u: W/ j8 b; S(2) Low Observables (LODE-related term). : R; x, q% Q; N, y" I' oLOA Letter of Agreement. LOAD Low Altitude Defense. 9 O" m* z# P; C1 l0 lLOC (1) Lines of Communication. , P2 Y: A% n3 Z& e3 y(2) Lines of Code. (3) Limited Operational Capability. ' Q6 x' `( ]5 p# v) X2 x, @1 aMDA GLOSSARY, VER. 4.0 L + B3 r8 \% w' ?" E168 - ]7 D9 b9 |3 o9 l4 S+ n/ Z) p/ z/ ]LOCAAS Low Cost Autonomous Attack System (USAF term). : e/ O2 ]0 Y) c& v8 q- tLocal Assessment of g3 a& P0 m+ g9 gEngagement The assessment of an engagement by high-resolution fire control sensors. Local Environment : V0 ^. u- o% [- Y+ C+ dThe ISTC Local Environment contained within each node simulates the element 9 m" s$ _0 G9 S7 H/ T. q4 \+ gto the degree necessary to generate a realistic input to the Element Processor of ' S. r+ t6 F, p0 VElement Processor Emulation and provide a realistic response to the Element Processor or Element Processor Emulation. ) K% @, Y& _) m% |. ZLock On Signifies that a tracking or target-seeking system is continuously and automatically tracking a target in one or more coordinates (e.g., range, bearing, 0 T$ n: a* t7 U& u6 Selevation). 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). 1 |6 o9 o- J* W/ zLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the & y5 m$ U1 `7 c: J% I8 Msame range. " p9 [" }7 S; }# f6 M- h# t4 ~' M `LOG Logistics. LOG.WIPT Logistics Working-level IPT ( T& r3 T: q/ w. }0 z4 B2 JLOGAM II Logistics Analysis Model II. $ x1 K6 t; }( [1 x: m3 xLOGFAC 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 8 i; a& E* M4 v! A. A( n1 n$ F; g8 Toperations which deal with: (1) design and development, acquisition, storage, : i. G2 U8 b( ` a8 b; p" wmovement, distribution, maintenance, evacuation, and disposition of materials; " i, j7 J9 S+ B! H8 o1 l. [! X* n(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or G$ Y: m4 P/ ]4 a% G( l: ]3 _- Yconstruction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. 3 `7 a b4 V7 y: w8 f5 yLogistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. Logistics 5 g2 ^9 E+ N! j Z5 P zSupportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; % R4 s2 y) I9 e7 I' a# r4 \/ gtransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L 169 ; @" L0 {) C9 }. v, |Logistics Support 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: ) {: B3 w9 q: f* Scausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring - m1 Y$ o6 u, [: o* B# g) Kthe required support; and providing the required support during the operational phase at minimum cost. Logistics Support Analysis Record q3 z1 E7 q p7 F' D(LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document 4 L4 A3 g2 ?! @2 y+ q$ xoperations and maintenance requirements, RAM, task analyses, technical data, # k% C2 B& k5 G) Msupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply + J8 y+ X; V+ R& eprovisioning and allowances construction, support equipment acquisition, ! P% f8 V- R7 hfacilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. 8 Z" t5 R, j$ K8 OLong Lead Items Long Range Air Launched Target , R4 |: G9 ]! I# {6 K; J8 L; }(LRALT) Those components of a system for which the times to design and fabricate are + p! Z8 U; v% x7 zthe 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. * y3 @1 ~+ E, ULong Wavelength 7 D" Z" @; I4 GInfrared (LWIR) ! M# H' D: m" e$ X8 f+ S4 D: S BThermal radiation emitted by a source in the electromagnetic spectrum ) R) Z4 O" R1 Z& C |" {) jencompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). 1 K+ m: z/ G7 t% zLORA Level of Repair Analysis (ILS term). LOS (1) Line of Sight. (2) Large Optical Segment. ! z8 z6 ~& i% t6 T$ F' v* j4 t4 ?LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude Demonstration 0 t" M/ L! G' {9 f- x* uSystem (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program 4 H. `( e: L8 Y( [$ {) X9 F: tphase. The LADS will consist of a flight experiment and extensive ground ( \& _5 k/ x/ D/ W( `) m5 cdemonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low concept and collect phenomenology data. 5 N* [5 M g( E* `% H( p3 B1 q# @Low Earth Orbit 5 y. j$ r9 b0 n. ?(LEO) - J1 a: P$ A4 H' s; NThese 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 subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low Endoatmosphere 8 u' K; n. M, z: Q! u4 PThat portion of the earth's atmosphere, generally below 40 km altitude. 1 U0 p+ t! v- uMDA GLOSSARY, VER. 4.0 L 170 Low-Rate Initial Production (LRIP) The production of a system in limited quantity to provide articles for operational test and evaluation, to establish an initial production base, and to permit an 4 u5 p, \* K* S! {" ?; ^/ Y3 norderly increase in the production rate sufficient to lead to full-rate production 4 Z1 X4 e# J" w4 X( ?" c& A5 w `upon successful completion of operational testing. ) g8 d4 b# s* \$ |- RLOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. LPD Low Probability of Detection. & v% ~# u D6 R/ x: \% F4 XLPE (1) Liquid Phase Epitaxy. : C# o3 f t9 V) `2 e; P(2) Launch Point Estimate. " b9 V4 b# Z0 n& l0 r8 U$ z% D! YLPI Low Probability of Intercept. 3 q& K2 q _- g8 q6 KLPS Limited Protection System. LR Long Range. ' L5 d6 O" t/ c5 ]LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. - u( u3 G( C' O0 u% T4 z* ZLRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. LRF Laser Range Finder. # s5 ^* I% j& i6 U) I( z8 @LRINF Longer Range Intermediate Nuclear Forces. 5 } F) H' W$ |LRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. # C6 X& a, x1 V* M' L! p; F$ ZLRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). : q2 @" N, r9 p( v& gLSA Logistics Support Analysis. : O9 d+ Q3 H+ X% a& d lLSAP Logistics Support Analysis Program. 2 ^. B) E0 @' i# G1 ^7 m# E, o) nLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). , d& h2 S0 I f: }& p' R5 pLSAT Laser Satellite. $ E8 G3 d& ~4 O3 Z- YMDA GLOSSARY, VER. 4.0 L 171 8 W! O1 k/ T5 b) u% [9 {3 l d nLSAWG LSA Working Group. 8 V1 l* m5 d0 u7 N4 @( T* x* U0 LLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. ! w" `) @( Q- y4 y" b# F4 NLST (1) Laser Spot Tracker. (2) Landing Ship, Tank. LSTS Launcher Station Test Site. : V* i7 K! o# }6 C8 o' B5 cLTA Lead Time Analysis. LTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor " T0 @- k( U5 T% B8 ULTV Launch Test Vehicle. ; V" l( ?6 O- y4 \LU Launch and Update. LUA Launch Under Attack. 2 S" r& t+ ~% ]+ |) n$ u0 _LUP Limited U.S. Protection. LUT Limited User Test. 6 X* U( u1 W1 ?5 G: H: iLUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. LVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. ) l& n5 L& ~( k+ d1 F$ B# R4 j* ^LWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. # X6 X3 h+ E" `& tLWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 0 t" W( m; O. n2 O2 r8 D173 t1 a( x& G9 M- t1 Bm (1) Meter. (2) Minute. + e5 s, w* F( w7 j: D/ d" p: T ?M (1) Model. (2) Million. (3) Mega. & O+ H0 c' ^$ r6 o7 H) n- @# B1 pM&LC Missile and Launch Control. . O" V, ^: M! z# d, s0 V; t- l4 Q' Z0 _M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. ! J: x% c1 T, _$ fM-T-M Model – Test – Model. 2 f4 n) x2 L, e* \( C; L3 C, MM/LWIR Medium/Long Wavelength Infrared. ! ~) `1 {1 L, gM/P Manpower/Personnel. ! ^' u% H! B9 kMAA Mission Area Analysis. MAAG Military Assistance Advisory Group. + K) m8 G/ n. MMAB Missile Assembly Building. 6 Q% B* N3 c/ ]+ Q5 rMAC (1) OBSOLETE. Military Airlift Command. See AMC. 2 p1 p$ b* ~# `, i. Z(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. + }1 G$ C H" BMACOM Major Army Command. : ^4 G. p% O; Z: x4 r3 XMAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. 0 V4 Q& s5 D& u" T% G0 X+ A+ IMADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. $ V& `8 X, l2 D. V1 BMAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. Main Beam The primary directional EMR emitted from radar transmitters. : @/ o3 Q5 C, k' s- ~! gMaintainer An individual responsible for retaining the major defense system in or restoring it 0 \2 `+ Q* P8 i( l2 T4 n' g' kto a specified condition. Maintenance activities include inspection, testing, + A" C+ j- F ~ k: S6 e, X( Y1 Fservicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance Concept/Plan A description of maintenance considerations and constraints for & O/ d# H8 t% `( Ksystem/equipment under development. A preliminary maintenance concept is developed and submitted as part of the preliminary system operational concept for 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 3 Y" P9 R" M7 R6 ~6 A: F6 m174 " S7 w# j. n7 }. U, pMaintenance Operations B* w/ W9 N* B& M( `( ~The corrective and preventive maintenance operations that do not require a ) h0 ]! q! N6 l" G3 T+ O8 jdeployment decision; it includes correction and subsequent validation testing and the update of relevant status configuration, maintenance, and inventory " G5 L) R0 m0 x/ Hdatabases. Maintenance Planning The process conducted to evolve and establish maintenance concepts and 5 }2 ~* @8 B" S( K6 }+ Wrequirements for the lifetime of a material system; one of the principal elements ! K2 |: z7 L9 N: Dof ILS. 1 |9 t7 r) g& @. `! d% V! XMAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). - y3 A: b3 I0 d: uMajor Automated ! A+ D( b3 M: {! A( RInformation / M6 i! Z& \! U/ ~+ A( DSystem Review % H( E1 I2 O( X2 M* D2 gCouncil (MAISRC) 8 _$ e* x4 S4 \The Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and " I/ P1 J: } oIntelligence. See DoD Directive 8120.2.

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Major Defense Acquisition % z# I# |0 D% j2 B/ u4 EProgram & R4 O4 ~- Z! _0 w" M# p, O; }An acquisition program that is not a highly sensitive classified program (as - h- F8 V1 v) _* Odetermined by the Secretary of Defense) and that is: 1. 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: 2 G# T, h% E! @2 ]$ q g! \a) An eventual total expenditure for research, development, test, and ( ~& F5 Z0 t7 xevaluation of more than $200 million in fiscal year 1980 constant $ R* Z+ M; U) \dollars (approximately $300 million in fiscal year 1990 constant # u$ |& k2 \" N3 J0 L( Odollars), or b) An eventual total expenditure for procurement of more than $1 billion o4 {& \( i" v$ I9 V" pin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). ) Y! ]0 n; U- l& F- [- V3 fMajor . \8 f4 z2 a1 e. Z+ c9 tModification 7 H U+ ]& A; _# VA modification that in and of itself meets the criteria of acquisition category I or II 4 P- T0 c8 A% i0 `7 @/ f& Sor is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. ) u* _' B6 g2 L) b" u7 kMajor System A combination of elements that will function together to produce the capabilities ! i5 L4 _+ w2 m$ Nrequired to fulfill a mission need, including hardware, equipment, software, or any 1 c, _7 A& ]* Q" |$ Ycombination 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 3 O0 ^ Y: q& a. `7 E. o(approximately $115,000,000 in fiscal year 1990 constant dollars), or % R: {& Y) x$ X, ]' e% O8 I, m2. 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 $ F" L9 y3 t% e: z1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 175 Mandatory Access Control ! J* }, O8 Y0 h# }4 b! z# l$ IA 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 Reentry Vehicle (MARV) A 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 & o5 L- p7 W: Z5 I. v: gfall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). Manpower 3 s3 Y" z) Y8 e* h+ z" fAuthorizations 5 R$ x1 `2 w+ _* v# _/ Y' R3 qThe billets in the manpower requirements structure that are planned to be filled. 0 ]# r1 z: I; j( Y% fManpower 8 k) ~, u7 |4 U' d) ^Estimate Report (MER) & a ~8 c1 U- n) [! `% MAn estimate of the number of personnel who will operate, maintain, support, and 2 [; s' w0 o3 h7 qtrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to # D8 W5 C& B- P# ~3 Z& E2 Eapproval for EMD or production. Manpower, Personnel, Training, and # V0 Q, ^/ Y8 TSafety (MPTS) The human dimension of the complete defense weapon system. The term 7 |; s6 [1 |! r1 b3 p- [8 kMPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. Manpower, + R c3 }' f' W+ O: uPersonnel, 7 d! ?0 R! X0 J, B$ Q% UTraining, and Safety (MPTS) " y' |1 ^! W) C$ L7 LProfiles ( O( @9 [2 s' h3 H& I5 b; B! c7 h/ ~* rA description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions # }+ i$ S' Q: }4 a( Yand categorizations of occupations, aptitudes, individual skills and / \6 n4 r3 ^5 C+ D) F# r; Bdemographics, training system characteristics and components, potential system hazards, and other issues affecting the performance and welfare of operators, 4 K- {2 G0 O2 Y% _maintainers, and personnel that support existing, modified or new systems. . ?) k! F+ B+ y* ^2 z( uMANPRINT Manpower and Personnel Integration (US Army). 4 q' O3 n( j! k$ F$ ^+ SMANTECH Manufacturing Technology. 6 I; Y [1 a5 v1 ?Manufacturing (or Production) ; v; A5 o8 l( t# q; UEngineering ! G0 s& k% w1 ]+ k. ] LPre-production planning and operation analysis applied to specific product 1 n2 H4 }: v* S% \, i5 m- ?7 Kdesigns. The functions of planning, specifying, and coordinating the application 4 y6 B8 C7 Z$ _( A2 Hof required factory resources including: performing analyses of production % V% ~8 H/ h) n% m- d# E6 g+ Foperations, processes, and systems; applying new manufacturing methods, 1 }, O* P! k: d! F- `. }( ktooling, and equipment; controlling the introduction of engineering changes, and : B5 R9 e; Y0 q/ A q! L+ eemploying cost control and quality techniques from the factory viewpoint. Manufacturing , G# w$ u8 C6 Q/ J) Z3 @Operations, Development, and Integration " K( ^- }, z6 c7 | W3 w5 ?Laboratory (MODIL) An SDS-peculiar integration mechanism to link product technology development % U2 o: J6 u1 B2 Q4 S5 T* q7 Hconcurrently with manufacturing process and control development for a costreducing effective SDS development. 5 f: _6 S9 c" L% [$ Y2 ~8 T+ F9 W' rManufacturing 6 I% a/ U, g6 t9 Z2 b- {Technology $ h3 G5 N1 M3 p7 ?* a( ]2 ](MANTECH) Manufacturing technology refers to any action which has as its objective the timely establishment or improvement of the manufacturing processes, 3 [( T$ Z% t0 W4 o: A; }techniques, or equipment required to support current and projected programs, 9 X( I" J3 J, g8 f. \2 jand the assurance of the ability to produce, reduce lead time, ensure economic 4 A. L C2 F6 i/ ?( {& yavailability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific / w% r, N! m* G) z: EDoD program in this area. MDA GLOSSARY, VER. 4.0 M & h; k0 D% T7 S5 a# }* O1 L' q- N176 $ ?: [: J% x' G7 u* mMAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. " Q8 \# }0 C( g) v1 D- j! dMAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and ) y% Y/ p7 z- K$ k$ T: G# m* jControl 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 8 o, J" B1 \5 B7 _air operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual % [- N$ v# b/ z& _! I7 m# f$ vthrough semiautomatic control. ! s5 B# L2 {' a7 N |; WMark/Markup Line by line review and approval/disapproval/modification of the defense budget , l4 z1 m8 B/ K8 I% x, sby congressional committees. MARS Multi-warfare Assessment and Research System. 2 W& E7 ?* j) i5 {MARSYSCOM US Marine Corps Systems Command, Quantico, VA - S" J9 `2 Y6 u- ~) U% z' eMARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. & k+ y3 @. ]5 G1 P( o7 X2 U5 F, L, nMAS Mutual Assured Survival. 8 f3 P, c7 y- e R9 R1 |7 CMASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. & d5 H! |( [+ m9 a1 G0 nA mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation ) h$ y* @8 @0 vModel (SSGM). Matching Ballistic Reentry Vehicle (MBRV) 6 S8 c3 n8 v j" O6 L GFour reentry vehicle designs (MBRV 1-4) developed to serve as threat $ `' v. u3 e! B% E4 Brepresentative theater targets. Matching Target W* d5 [; J* z) P- j- O4 wReentry Vehicle * d/ F3 X+ X; T6 K7 |(MTRV) ) l9 `3 ~" Y5 ?/ F% A; mThreat representative reentry vehicle developed for GMD Program by Sandia ; j; n+ v& _! `: B/ i: @Labs. Planned for use on IFT 9-14. Material Fielding / a- I2 N! E0 [7 u, h1 ?) lPlan 3 \7 A7 h7 H5 nPlan to ensure smooth transition of system from developer to user. Materials Science The science of developing/altering and applying materials to obtain a resultant x" l9 E: C* t* s% U- S$ M3 G$ omolecular structure with desirable physical properties and performance ) `/ @ b, }& V1 H O1 W5 }+ ~characteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. MDA GLOSSARY, VER. 4.0 M 6 r4 O& }* b5 V. r177 0 f( f( m* C O7 KMatra BAE Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics + a3 F4 @$ x+ K6 A0 Band Matra of France. 3 ^8 s: b# C8 [; v# Z. p6 @MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. ( o+ w; L& Z# s D( u; d. p, ZMAX Maximum. Maximum 8 w6 u: m/ K% `% ~Attrition 1 F1 M& ^3 A, j0 fMaximum attrition is employed in a target-rich environment to destroy the & V; i' V) t5 f# G% Vmaximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or & X/ d9 N. }5 M% I; ^required assets. * n& I' u$ ~5 }/ |7 CMB Megabyte. 7 G1 u" C. C0 G4 e- S6 c- B( D LMBA 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 r* k& @- U6 }0 |0 |MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. / C( E; ^' S$ _7 E0 b- hMCCDC Marine Corps Combat Development Center. % J) g5 q3 c0 o. f6 C% T: lMCCR Mission Critical Computer Resources. ! t- Y3 C$ D8 Z0 y1 \3 X6 I, ZMCE Mission Control Element. / f5 ]" `( ~% L% f; G9 K) uMCG Midcourse Guidance. + V: o8 F0 @5 C0 fMCI Midcourse Interceptor. ( T) I n: @7 y s3 EMCLOR Marine Corps LORA Model (USMC ILS term). : c8 Z' `. k7 ~4 i9 F* Z& lMCM Multi-Chip Module. : Z: j2 A! C$ j3 ]+ T' XMDA GLOSSARY, VER. 4.0 M 178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. ' y5 ^( c( D! `- O: iMCRDAC Marine Corps Research, Development & Acquisition Command. 6 \0 u E4 R+ ~ K1 g5 I5 BMCS (1) Maneuver Control System. (2) Midcourse Sensor. + q8 M# T' ?) [ kMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). 7 W+ C! \7 [) I* Z, ]MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. 2 T3 k. T0 T& |: o6 LMCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. 6 ]$ \" v8 k4 q* Z, S6 P7 u9 MMD Missile Defense. MDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. " X5 s3 X+ A U/ c; o% j8 qMDBIC Missile Defense Barrel Integration Center. MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. ; q7 x( R8 B1 n8 s1 j+ s" }MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). . ?) a( D$ F/ T% v(2) Milestone Decision Review. ! l, F8 j- U+ t! ~(3) Multi-national Defense Research. 6 ?! ~8 W9 Y2 i+ s2 V# H f8 PMDSC Missile Defense Scientific and Technical Information Center. # ~/ b5 s5 U5 j1 z" KMDSTC Missile Defense and Space Technology Center. 4 h4 Y+ J( ]/ h. i @" N) J+ kMDT Maintenance Down Time. 0 g9 L1 f' r; l" O. ~; J& dMDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M 179 w3 V4 I7 a2 z$ \MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area 8 W K+ | H. s1 fMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time ! E; p3 {' Q4 uBetween Failures (MTBF) A measure of the reliability of an item. Defined as the total functioning life of an ) |6 P$ }6 @, G1 c4 m2 jitem divided by the total number of failures within the population during the ' i8 w) e$ `2 V# m7 Omeasurement interval. The definition holds for time, rounds, miles, events, or % O- |! [+ m9 Z6 Z$ Tother measures of unit life. MTBF is a basic measure of reliability. Mean Time To Repair (MTTR) The total elapsed time for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. A basic measure ( k5 O6 k9 I: U5 z! K1 \of maintainability. 2 F4 c5 N1 F4 Y" _8 h( ?5 YMean Time to 8 L+ F A f$ w( j' }Restore System (MTTRS) A measure of the system maintainability parameter related to availability and ; [+ z1 E! M9 G1 k' z2 areadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of time. (Excludes time for off-system maintenance and repair of detached 5 Z* H0 [8 J; U( k" [& Icomponents.) * t* K, i& y/ o2 c' m; j7 rMEASAT Malaysia East Asia Satellite. - Y- ^ {+ h$ t, L) qMeasure of , E& P& F" R* X$ ]9 {# h$ S1 PEffectiveness / _$ h/ w: ^2 S8 e- i6 Y; ~8 j(MOE) The quantitative expression (sometimes modified by subjective judgment) of the success of a system in achieving a specified objective. 9 l/ _. O+ E: `- @: L0 jMEC Mission Essentially Code (ILS term). Medium Earth : |$ u6 B3 Y: q1 j3 g& `Orbit (MEO) 1 \% Q# p! h6 B7 ZSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, & G' |6 z! w, \+ N6 }/ x. ylonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes up to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special protection. Medium 8 s4 }4 g& B3 F' c: ^' v. E: F' EExtended Air Defense System ( C! Z* C2 p% n0 M(MEADS) " M2 L% K6 \! _4 ^1 w3 k2 V" k& V) KA lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in 1995. Medium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. Medium Range Ballistic Missile ; x' @, w& A0 p(MRBM) 2 G. G# g5 {( u( x. `- {* p! IA ballistic missile with a range from about 600 to 1,500 nautical miles. Medium Wavelength Infrared (MWIR) Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M 180 9 |0 {6 V: p ~& p, @' W2 b1 ~MEF Marine Expeditionary Force. 4 f1 S7 k8 y6 {! T8 NMEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. , E0 T z) P2 T% V$ X( i9 }& GMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of Agreement (MOA) r4 N, S2 E0 k6 W$ G(1) In contract administration, an agreement between a program manager C! D% m5 ^' y; B* Zand a Contract Administration Office, establishing the scope of 2 Q8 w/ ^4 i l Rresponsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other 0 A0 s; g$ T V% Tcontract administration functions on a specific contract or program. 6 z- @6 k' _ ^- |! K(2) Any written agreement in principle as to how a program will be 0 D+ d! c5 o; s1 Q! `administered. % k E0 Z8 n$ Z8 R" @Memorandum of : w) M$ I* z& ]2 TUnderstanding (MOU) Official agreements concluded between the NATO countries' defense ministries 1 O. k, i9 `# v9 R7 s' ^but ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be ( \+ B4 t5 I0 B1 O" F6 ^9 bbased on the rights and obligations laid down in them. MEO Medium Earth Orbit. ; q. H% d9 a% B0 ~3 E# a* {MER Manpower Estimate Report. Mercury " L4 _$ g6 x {' N6 i9 [' B" L4 s5 f9 YCadmium , }9 R7 B; i: C) N) o& m; J- JTelluride (HCT) Infrared sensing material. MES 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. Methods . ~/ [2 b0 F' A! aEngineering 0 D' S/ r' K) o! v, s# bThe technique that subjects each operation of a given piece of work to close analysis to eliminate every unnecessary element or operation and to approach : @3 Z; o$ S6 l" C7 uthe quickest and best method of performing each necessary element or . h6 C y$ C+ G$ Voperation. It includes the improvement and standardization of methods, * e" U- \- ^" }# Wequipment, and working conditions; operator training; the determination of 9 k3 R. w, u/ N) l% r# s* [! ]standard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. / ?3 |6 G# j. EMETOIA Minimum Effort Task Order Impact Assessment. . c0 J4 H. Y$ R4 H' i. rMETOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. - R8 b$ A/ N2 y* u4 g, L* h" @, M9 jMetric (Software). An indicator, which measures some specific attribute of the software development process. 4 O2 w! A# H/ b8 p! aMDA GLOSSARY, VER. 4.0 M + f/ {8 I% L0 {: E0 k3 z, q181 Metrology The science of measurement, including the development of measurement 6 P( ?- x6 p# {7 L2 J$ W k( qstandards and systems for absolute and relative measurement. Used to & N! g' K! |4 k3 Bdetermine conformance to technical requirements including the development of 1 r5 ~; H0 \% Estandards and systems for absolute and relative measurements. : V3 z9 F4 m: `7 mMeV Million Electron Volts. 0 o$ |% f/ P3 V" y+ E! fMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. 5 O4 z! M: d0 A0 P7 {MFEL Medical Free Electron Laser. 8 T* N: a$ l5 S: ~$ P* m3 TMFG Master Frequency Generator. MFL Multiple Folded Ladar. ! M1 Q# k; C0 o: P; pMFLOPS Million Floating Point Operations Per Second. + {: u+ P) e2 C4 O* dMFP Major Force Program. MFR Memorandum For Record. 5 Y! m& V. b4 B- j. G8 B- n# LMFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. ! z$ K6 Y, R( D2 c! |MGEP Mobile Ground Entry Point. & Z5 d# ?9 S0 i" ?) K/ AMGLI Midcourse Ground Launched Interceptor. MGMT Management. MGTS Mobile Ground Telemetry Station. * ^& a7 D9 w2 L( J( ~ |& R& \MHD Magneto-Hydro-Dynamic. / _6 Y) D/ ~" u. ~! U% C1 V3 J) uMHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. mi 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). Mid-Course Defense Segment (MDS) ( d5 w- K: M( mThe portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. Midcourse 6 T% `+ X% r L1 cGuidance " n( v2 _1 ~7 p7 QThe guidance applied to a missile between termination of the boost phase and % _$ H- P G$ Y' K* uthe start of the terminal phase of flight. ( m2 ?8 w+ T" g) y' ?4 I& SMDA GLOSSARY, VER. 4.0 M 182 1 [; D6 N; d2 G5 CMidcourse (MC) Phase 0 z$ k7 Y4 e }* K3 vThat 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 decoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. 2 V7 ?( L$ J8 x8 d* H) A8 r# f1 G" KMidcourse Space Experiment (MSX) ) N& |6 c3 `- D" @5 g% Y# yDesigned to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, 3 O$ t4 D) t$ S1 n9 m: }etc., and collect background phenomenology measurements and target ; ~% L; J. e2 s# Lsignature measurements. 3 {4 s, U) s1 v3 {" VMidgetman US ICBM. MIDI Musical Instrument Digital Interface. 7 p. c! t; a9 T7 v. {( m% g, tMIDS Multi-Functional Information System (USN/NATO/Telecomm term). 3 ?) O/ X8 U' q- }MIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. MIL-HDBK Military Handbook. 3 G% Z6 Y7 y% ?7 y+ cMIL-STD Military Standard. MILCON Military Construction. Milestone 6 o& n& s+ x" i! f: l$ \4 cDecision Authority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an acquisition program into the next phase. 8 |/ U2 l: t/ I, FMilestones (MS) Major decision points that separate the phases of an acquisition program. - F! \: ?/ D# v4 i4 ZMilitary Capability ) Z. E* \) ^6 EThe ability to achieve a specified wartime objective (win a war or battle, destroy a 7 K2 B! j4 e+ F/ i# [target set). It includes four major components: a). Force Structure -- Numbers, : ^4 c% d7 f0 K% v0 I: g9 ^size and composition of the units that compromise our Defense forces; b) . N& y/ Z: t# HModernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or $ X8 H3 s7 I: r/ V( S: Eequipment to deliver the outputs for which they were designed; d) Sustainability 5 A8 w) O4 {" S$ Q9 F9 U-- The ability to maintain the necessary level and duration of operational activity ! V! l# K; Q, ~5 r. nto achieve military objectives. Sustainability is a function of providing for and 2 F6 v* p; D @' Tmaintaining those levels of ready forces, materiel, and consumables necessary ! J! G2 b+ x3 t6 K9 y4 N3 ^' J: Uto support military effort.