航空缩略语词典

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Kinetic Kill ) x- e& G" J' s$ E; XVehicle ! c# l, y5 Y) E0 v9 W3 h) E: ^0 f3 sIntegrated Technology $ _* s/ H# b* A& fExperiment % |$ T9 Z0 C! r) T(KITE) A series of test flights at WSMR to demonstrate HEDI technologies. 6 |/ p7 i7 n# |1 pKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated 5 z5 m& _# D& |, lTechnology Experiment. KKV Kinetic Kill Vehicle. ; O4 w; M5 Q! R% j/ h$ h* V& fKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. + \! i0 C O1 m+ @ X) a$ KKm/h Kilometer per hour. + l: n: C2 T M8 uKm/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. 9 w6 z$ j3 |& O0 `KMRSS Kwajelein Missile Range Safety System. : G9 ~+ H1 Y- R, q7 g! oKPP Key Performance Parameters. MDA GLOSSARY, VER. 4.0 K - ]- U: w/ ]* p6 U8 g159 Kr Krypton. KREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. Kt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. 8 V% B( \) R$ y6 z; XKts Knots. KV Kill Vehicle. ' l [6 i/ d; G$ xkw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L ) `! A r6 }% b& l$ k) W+ f: J2 c161 $ @( x! @; h* N, r4 F% i/ i- ]L&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. ; N* ]* M" j F) K+ c$ wL2SS Level 2 System Simulator - NTF. LAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner LAC Low Authority Control. % l. P. f( l4 }' l$ w0 BLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched O' a% ?) C+ \) z, KFebruary 1990 and turned off July 1993). 0 L' ^# h9 `# F) K/ N" B& ^8 M, ELACM Land Attack Cruise Missile. * G: [- P9 R2 h+ R' n! M* \LADAR 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 7 Y: j4 q- J' \* etarget more closely before being, in turn, intercepted. Eventually, by repeating 9 V9 Z' J6 | B; |/ b6 Uthe process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. LAFB Langley AFB, VA. " @" M8 w' U: V9 {" Z. `LAMP Large Advanced Mirror Program. LAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). LANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. 0 s+ X) x% ^& v7 j! i8 ]LAO Limited Attack Option. 0 ?* [( k5 Y- t& N5 Q& pLAPL Lead Allowance Parts List (Navy term). 7 x% h. H0 h* @5 n: cLARC 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 : D5 g4 c+ b: D7 T$ i* z0 a7 T8 ^% Bprovide 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 ! i/ W5 p- }, S* w5 xused as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. LASE LIDAR Acquisition and Sizing Experiment. 0 w9 O/ S: C/ D1 l- _( c. {( \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 8 f) w* w! u- p2 y9 E* `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 & ~, E6 V5 `. y; [* x1 N/ ]potential for causing damage to the eye. * H' u& z# `. ^" vLaser Designator A device that emits a beam of laser energy to mark a specific place or object. . M% H" C9 ?# z; T, V$ s: oLaser Detection + D) q/ D4 ]& E$ L% dand Ranging (LADAR) 3 K2 r: R9 g5 J7 L( A6 i3 FA technique analogous to radar, but which uses laser light rather than radio or microwaves. The light is bounced off a target and then detected, with the return % p, G: f0 f4 E" w# A; l+ |beam providing information on the distance and velocity of the target. , N B8 g( z" ]; z _5 d9 GLaser Guided Weapon A 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 # X8 s1 Y+ l9 [! bthe point from which the laser energy is being reflected. Laser Imaging Radar A technology whereby a laser beam can be used in a way similar to the use of a ( O, j% H: o4 P T. Y% G5 j) y) ~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 than 1 watt/cm2. 9 \) \+ B3 W& sLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected from a laser designated target and defines the direction of the target relative to , X7 @0 q' e- [4 n2 m3 Athe receiver. See also laser guided weapon. Laser Target Designating System . T* p! e! a6 [+ [4 ]# fA system that is used to direct (aim or point) laser energy at a target. The + z; v* o' W2 Q C0 d4 A! csystem consists of the laser designator or laser target marker with its display and * D8 i% _3 e1 q0 q7 Ccontrol components necessary to acquire the target and direct the beam of the $ V& z B- v( Z/ T* S0 V* Hlaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated 0 D" W$ b' ] M ^' a3 Nand 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. 5 _6 O7 J8 v/ Y; [* `8 ~7 gLATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 8 ]! D U$ F0 Y+ M' d9 G163 ) c1 V3 X. D6 S$ g9 b+ g2 yLaunch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) ! m6 R: C/ V9 P- i5 z8 B2 RLaunch Detection Initial indication by any one of a variety of sensors that a booster has been 1 W7 A6 g8 f- ^' h: @ }launched from some point on the surface of the earth, with initial characterization of the booster type. (USSPACECOM) * C. s: A/ K! |- gLaunch Point Determination With computer methods, uses missile track observation to estimate the point on 8 i4 A( Q6 D L3 Mthe earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under Attack (LUA) Execution by National Command Authorities of Single Integrated Operational & H$ i. b( X: ~' c7 y+ | aPlan forces subsequent to tactical warning of strategic nuclear attack against the : j k# }1 `4 _+ M, H: s6 F/ JUnited States and prior to first impact. 6 f' v, g/ j) ~0 yLaunch Verification & s4 D$ i( O( A- |1 Z, ~2 U. xConfirmation of a detection of a booster launch by receiving a report from a sensor separate and independent of the sensor that initially detected a specific booster 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 # J4 b- |! a2 @, \; Nlayers (e.g., midcourse, terminal). * w' U; U7 ^. u8 J' V- ~lb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. ; g+ j& j% ?1 g5 H9 [LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. $ n( _; ^2 L [LCC (1) See Life-Cycle Cost. (2) Launch Control Center. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component 0 a% L, c7 z2 d. M9 e' F# }1 ACommander (JCS term). LCCS Life-Cycle Contractor Support. % W( }% t+ ~$ n3 y9 MLCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). ' c6 Q0 L) v) }& cLCN Logistics Control Number (ILS term). ( }! {* h% i" U( ~3 i+ c7 MLCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). 3 x8 b2 T: A1 o0 x: V+ h; L/ oLCS Laser Crosslink System. LDC Less Developed Country. & V) W$ f/ l6 X5 ^5 kLDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited ) I0 q! f. w2 c- C j: X- ~3 v7 ?( y5 CDefense System. MDA GLOSSARY, VER. 4.0 L 164 " S7 M5 |; d9 f }- `% yLE Lethality Enhancer (PAC-3). , T% p L% T* d& h; mLead 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 6 x3 N; J1 Q! J- B2 R: n+ d; mprogram. LEAF Law Enforcement Access Field. ( C, X2 n: w! }0 Y, y: H& @! ILeakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted % ^3 Z% m" n6 m/ j& C& Qleakage is “budgeted” among individual BMD phases and functions. 3 X5 M- R3 ?0 n8 F: K, K/ HLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed : E: ]- Z9 p. ]7 Q [/ `as a percentage of the design-to threat. To ensure overall system performance, 0 s* d3 Z* ^5 M$ K& zpermitted leakage is “budgeted” among individual BMD phases and functions. LEAP Lightweight Exoatmospheric Projectile. LEASAT Leased Satellite. - r% c1 o% b0 q# k8 xLeast Privilege This principle requires that each subject in a system be granted the most : L& d$ H0 P1 y( R2 ^1 R- l+ Frestrictive set of privileges (or lowest clearance) needed for the performance of + q/ ?) L# _" d W/ y7 wauthorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. 3 l" E! p" }5 Y' P& ?9 f( MLEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. % d- D+ {$ l1 V* {2 r1 f1 {2 bLELWS Low Energy Laser Weapon System. - k, s6 E0 ~0 W# T( TLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. + c8 u9 O! f9 n8 ~" s$ p# a. e9 C7 uLevel of Effort 4 Y0 g# [5 |) G2 m6 c(LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. 5 T) A: r9 k `5 y3 n* b8 DLeverage (1) The advantage gained by boost-phase intercept, when a single booster ! ^ @# T! l% k) f/ Y) Lkill may eliminate many RVs and decoys before they are deployed. This 1 u4 }" y7 c! b: Y( u1 lcould provide a favorable cost-exchange ratio for the defense and would 8 b* k+ |8 G1 E+ E6 ?. w" W( q( o" kreduce stress on later tiers of the SDS. 6 u( T, `9 `4 ?* B: e) k6 j(2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. 5 ~+ I( H; M$ a5 ?/ f( C9 eMDA GLOSSARY, VER. 4.0 L 5 t9 T& b* k' R `! r) A; S: |) W) i165 LFIE Live Flight Integration Exercise. LFOV Limited Field of View. ( S2 s+ }! N3 L" Y2 HLFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. ) N x8 ?+ N: f, S" N& y2 S* eLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. ; L' f& F _. R- q& p(2) Loop Group Multiplexer. . l, P# b1 L1 H* N/ d: x- KLGSM Light Ground Station Module (USA CECOM term). 8 N+ T4 b- h/ P, _# s( Z/ o9 kLHO Amphibious Assault Ship. Li Lithium. LIC 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 excess to all known materiel requirements. 9 `- \! G. t$ d( w(2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. Life-Cycle Cost (LCC) The total cost to the Government of acquisition and ownership of that system # ~# L+ |8 {9 P+ O" Uover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. " k# K) B |: c: N6 g- ?Life-Cycle 3 R$ A2 \ x$ f7 M' y sManagement 7 N5 W7 \) j- F5 t3 w J1 TProcess for administering an automated information system or hardware support , q3 e0 s# H* O1 B) B* e3 Tsystem over its whole life, with emphasis on strengthening early decisions which shape costs and utility. Life-Cycle Model A framework containing the processes, activities, and tasks involved in the / R/ y6 V- K7 B/ q+ v, g1 W5 a) Y& }development, operation, and support of the system, spanning the life of the 5 @; n/ A# |. m: B2 Rsystem from the definition of its requirements to the termination of its use. Life Cycle of a 3 X5 W; c- P+ ?+ pWeapon System All phases of the system's life including research, development, test and ' L. ^ x- j/ n; Jevaluation, production, deployment (inventory), operations and support, and / B2 P( a: f" `% Zdisposal. 2 K) A1 ]( Z& M5 H' ELife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket % S- J, u6 S! x0 g2 S6 R) m( ]contains subsystems that perform power, communications, and environmental ) z/ ?2 E. s `; z0 G* Rprotection functions. 9 G }6 L2 D# bLight Detection 9 b! n) ? r0 }- i) P8 H' tand Ranging . A. L2 g, l! p' A5 O, S' `" {(LIDAR) 4 R6 m* [' g8 FA precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas & q' G1 |7 i- R$ t4 Y5 H(LREP) . A/ Q* F. N/ B, qDecoys that, by virtue of shape, closely approximate an RV’s signature with little 8 T% K4 }; _/ U6 @3 M( D# @off-load penalty. * {. R, S/ r' W/ M9 |LIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L 166 ! V8 {/ h. m8 VLimited 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) 9 f1 m4 [& a9 [: n2 ~& OThe development of systems, components, and architectures for a deployable , L5 ^! I4 D6 F7 `5 Eanti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the United States against limited ballistic missile threats, including accidental or # i( ]0 e/ l& l9 R dunauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. 0 ]4 s; O& Y/ r% n+ ILimited Operational : E% h) e( r( fCapability (LOC) A point in time when the first set of sensors and weapons can be employed to provide 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, manufacturing process final proofing, and product engineering and to verify a 8 l. z3 t/ K7 r4 Z, s/ f+ t5 _$ yfactories capabilities prior to a decision to proceed with production. Decision # s) ~, u. q8 U* S7 y. `9 Cusually made near the end of EMD or at Milestone IIIA or equivalent. (Also , `: Z! W; ?& bcalled Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty . S; y9 u# j+ ?0 oThe 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. LIN Line Item Number. 0 N j: ]' @) }# o9 {Linac Linear Accelerator. Line Item / i' |2 S0 F+ O7 I(Budget) ' c7 ~2 A8 F/ m) E0 ]# X% JA specific program end item with its own identity (e.g., B-1B Bomber). . m0 h7 K: ?- a; `. c3 J0 [Line of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, - X* t" t3 y" n3 |6 Y2 d7 xacquisition, track, and identification of a target. 7 V# T( J' p+ fLine Replaceable Unit (LRU) ! x( l' n K# P# H8 LAn essential support item removed and replaced at field level to restore end item 1 ]0 j5 g9 ?3 _! @; ]to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). Link-16 TADIL-J. 7 I5 ~ a& C ?" }- e t( E" nLink Quality & G; U" `2 o9 g8 p+ B+ m4 Y' JEvaluation * G. t0 a3 z9 h/ y% LThis testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. Liquid Fuel Booster (LFB) # }: s( I4 L4 _5 ~) [" I8 A9 {" u+ e0 j: vTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. LITINT Literature Intelligence. 9 Z* Q0 r6 Z r/ G" KMDA GLOSSARY, VER. 4.0 L 1 N. s, M4 ~! u' u6 e% Q167 8 r6 Z/ S+ T! E$ I! vLive Fire Test And Evaluation # B9 f" H+ I& L/ a' T(LFT&E) & i7 Q7 Z9 ~+ R, lSurvivability testing and lethality testing required before full-scale production. " ~: N2 S R. q7 N, {Must be conducted on ACAT I and II programs for: (a) A covered system (a 0 e9 M% ~& x5 |5 x( rconventional 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 6 Z. r1 j2 y% ?! E2 v2 Lsystem. LIVEX Live Exercise. LIWA Land Information Warfare Activity. ; s) }3 E* z! M3 ~, R9 Q; MLJ Life Jacket (BE term). 6 K- u3 J3 @+ S# t9 B; j( N! x# ILL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison. 0 F; }: a5 Z, H% K: NLLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. 8 D& Y4 ~! S% b2 C' L: xLLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. + o% i* B$ `' n5 n O* x(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. ' w8 v, _1 ~% j/ U' D) zLMA Lockheed Martin Astronautics, a defense industry contractor. 3 ^3 @% c7 p0 H* i- PLMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. # }; P$ C. q t$ |LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. ( N2 {+ Q, x# B/ ~! T8 }LO (1) Local Oscillator (Electronics Engineering term). + _5 F( J( S i. u(2) Low Observables (LODE-related term). LOA Letter of Agreement. LOAD Low Altitude Defense. 2 ~) T! {8 l" A6 ^) \% i `LOC (1) Lines of Communication. 7 N. E6 p) |* y9 [(2) Lines of Code. # V5 J$ `: `# W(3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L , \# c3 j9 h1 U- T3 A168 LOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of Engagement The assessment of an engagement by high-resolution fire control sensors. , e& x" k' ?0 x( i3 u6 WLocal 9 M# j: {2 q( BEnvironment & E. t1 \2 U/ m3 I ^* u! ]The ISTC Local Environment contained within each node simulates the element : Z" Q: E" M1 x: D2 W% [' F# \to the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element Processor or Element Processor Emulation. 7 c: G; M; f% t$ V( {' CLock 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, ' g/ B3 y ]5 E2 x9 g1 r8 delevation). # E6 a/ h* _. K, I, O: J6 c8 r8 jLODE Laser Optics Demonstration Experiment. I/ {8 ^+ X) i6 ]) \, K- NLODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). % k* v2 V2 u5 R8 hLOF Lifejacket Orbital Flight (BE term). ; M2 g& F3 k: m- C. z' aLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. 2 |$ T* u. T: `. h+ n! J* |LOG Logistics. LOG.WIPT Logistics Working-level IPT 6 B3 ]7 t9 j0 ^+ KLOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. * Z3 ]6 r; v5 m' L& jLOGFOR 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 9 {. l& l- r! _9 H1 n% j! @operations which deal with: (1) design and development, acquisition, storage, movement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or construction, maintenance, operation, and disposition of facilities; and (4) 6 v; v( e3 v3 p. i: }3 r0 Cacquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. Logistics Supportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; 5 S3 B% P% t2 }2 }$ M# Htransportation requirements; training; manpower; and software support) allow + x# b% d5 g3 Q- f; S+ smeeting system availability and wartime usage requirements. 4 k. b% p) j+ n M# sMDA GLOSSARY, VER. 4.0 L ! g. [5 _8 M& K! c( o' S. v" Q; T# ?169 Logistics / N+ H& A: W$ Y: R3 j6 {, YSupport Analysis * d5 x& }2 s# |2 b3 j1 W8 K(LSA) 9 r3 x) v2 R/ N4 p5 iThe selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: causing support considerations to influence design; defining support 3 G" a* F/ [4 Q0 Y9 prequirements that are related optimally to design and to each other; acquiring 4 A7 W- P9 o$ gthe required support; and providing the required support during the operational 5 k% [! W4 H, o8 K: }. z. T6 k* o: ^phase at minimum cost. 1 F( I) D6 E4 O+ B, HLogistics Support + R$ g4 j+ p1 Z1 c/ z0 }5 lAnalysis Record (LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document * [' S5 ]) y) |operations and maintenance requirements, RAM, task analyses, technical data, ( l: @( K: f# B( P" w1 Asupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply " F5 ^; q) z9 P# Z2 u1 Mprovisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. , K# y. q2 u! [LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. ( _3 r d& I, i$ B- O1 rLong Lead Items 9 [# ?- E$ E9 ]7 q% U0 WLong Range Air Launched Target ) N' C7 l8 D; a: D# `3 E(LRALT) Those components of a system for which the times to design and fabricate are z7 `& r( b; r0 v- {1 O ithe longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. ; I9 x# h& z6 ^" m; V" p: fTwo-stage, air launched ballistic missile target being developed for MBRV-4. ) ^; |2 T6 e; l6 wLong Wavelength Infrared (LWIR) ' L; m# s! p) l6 D5 HThermal radiation emitted by a source in the electromagnetic spectrum + D, h0 i v) m7 G% cencompassing infrared wavelengths of 6 to 30 microns. ! e! H' [9 j2 g7 }% _LOR Level of Repair Analysis (ILS term). 8 w: {# @7 b: d" [+ D. l' ?LORA Level of Repair Analysis (ILS term). ; x& O6 H# g5 dLOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude Demonstration a" F" P: G# m) b+ j! cSystem (LADS) % Y1 K$ G |! T* n5 hPart of the SBIRS Low Program Definition and Risk Reduction (PDRR) program , P7 n7 D9 b% E4 Zphase. The LADS will consist of a flight experiment and extensive ground ) W' e0 X# \- s- J* K! @demonstrations 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. Low Earth Orbit (LEO) These satellites are at altitudes between 100 and 400 nautical miles. They ; U, y2 J' F, `; o- _3 Ghave 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 3 k$ c! V& S( Msubject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. f5 a& V7 ?. N' z- B8 o0 I# ]Low * ?* Y4 Q6 K7 p8 n4 V7 DEndoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 # q6 @: u2 a* M2 c# BLow-Rate Initial Production (LRIP) : b0 C e% h: u8 ~5 }The production of a system in limited quantity to provide articles for operational 8 j1 i2 o" ^1 x$ C3 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 ) @ {& u' ?2 _% R6 }$ G5 oupon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. 4 c* t S& x" {/ u4 ~/ E0 ~LPD Low Probability of Detection. + l2 e5 g- J2 q9 ~/ z6 M; k4 H! oLPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. 1 c9 a+ Y$ [9 U1 } q! hLPI Low Probability of Intercept. LPS Limited Protection System. LR Long Range. 9 h8 M1 R0 A5 ?LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. ! Q+ p! s' t5 K/ N% aLRC 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. * K1 ?! u* t9 C9 j c; _ B3 QLRIP See Low-Rate Initial Production. - Q7 y% C( L4 m6 {0 g2 ?* H* YLRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. / |9 i4 G9 a' a0 x4 M8 n6 M; ELRU (1) Line Replaceable Units. (2) Line Replacement Units. " W" G% y) i' w* s+ R& uLS Launching Stations (PATRIOT). . M) g" R+ f) E5 V) K/ ~, gLSA Logistics Support Analysis. 0 n. z q* J: b& gLSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. % H8 W% ~$ T7 W9 S6 {. b( aLSART LSA Review Team (ILS term). - d% o" b' L C/ Q8 YLSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L ; O3 u- e. z! C% R, R171 LSAWG LSA Working Group. ; i( v- o3 L1 G2 dLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). 3 {4 v+ O( r6 l8 J" q/ v& F. b' WLSRS Loral Space and Range Systems, Sunnyvale, CA. . Y' Q7 R5 ~' e8 z: uLST (1) Laser Spot Tracker. (2) Landing Ship, Tank. LSTS Launcher Station Test Site. LTA Lead Time Analysis. # u( |9 X+ t; qLTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. : r2 J# }8 u" X! y* hLTS Low Temperature Superconductor ! ?# |! Z1 [8 R& Q% x9 [3 FLTV Launch Test Vehicle. LU Launch and Update. LUA Launch Under Attack. LUP Limited U.S. Protection. LUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. 9 o. E! U( o# i* Z4 z% Y" wLVS Loral Vought Systems, a defense industry contractor. ( s- D6 U6 a3 C0 S6 ELVT Low Volume Terminal (USN/NATO/Telecomm term). / N$ f4 V* B3 L* @, nLW Laser Weapons. % ~0 v# A, W( c! y9 d0 XLWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). O2 B" s. c" a9 MLYTBT Low-Yield Threshold Test Ban Treaty. 9 w9 b( B+ w+ F: w8 u5 {2 }$ |, _LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 173 m (1) Meter. (2) Minute. M (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. M&P Manpower and Personnel. * }9 U! W# t- U) DM&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. M/LWIR Medium/Long Wavelength Infrared. 3 n8 o7 P# \+ K0 YM/P Manpower/Personnel. + e/ c0 g) ?& t' [ J; UMAA Mission Area Analysis. MAAG Military Assistance Advisory Group. * \, x) z1 ?' }+ W4 ]. OMAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. A* ^ Y$ [, w(2) Maintenance Allocation Chart. 0 G9 T0 e1 I; h: d4 mMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). - N. G$ F( v9 U \# QMACCS Marine Corps Air Command and Control System. 4 \7 n: d! } W9 g! Z% tMACOM Major Army Command. + v' i/ O/ ` i4 ~; W2 N4 p9 dMAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. 6 |4 j) H8 L4 d& ^2 uMADCAP Mosaic Array Data Compression and Analysis Program. & ^% w& M, @" [6 y1 v+ R5 XMADS Modified Air Defense System. ' `7 D! u: ^; w- I [, t; L p# RMAE Medium Altitude Endurance. & } i i6 N) jMAGTF Marine Air-Ground Task Force. " d* A- z+ E# s) {$ f* N% H% ]Main Beam The primary directional EMR emitted from radar transmitters. Maintainer An individual responsible for retaining the major defense system in or restoring it : |& d9 o5 H$ r0 g9 ?4 X; Sto a specified condition. Maintenance activities include inspection, testing, 8 Z" Q1 d4 U; Fservicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance 2 e' Q: `! ?7 D% S- dConcept/Plan A description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is ; N, z" r) `- |* n0 d& ]) y- u5 i! A' Vdeveloped 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 % p {4 a8 Z( p5 A7 x1 O# i. tdesign of the system/equipment and support planned for it. % P+ q, l$ }) O9 n" `MDA GLOSSARY, VER. 4.0 M 5 |7 x! Z4 E6 }2 P1 o174 Maintenance ) K0 O2 ?& | r, X- @Operations 2 ?7 j" l9 m' }The corrective and preventive maintenance operations that do not require a + l$ D# ~7 q% W; j3 k1 [. z; t# ldeployment decision; it includes correction and subsequent validation testing and the update of relevant status configuration, maintenance, and inventory databases. 4 G N/ y3 b+ p. t: }Maintenance ; S% @+ H8 o* v% \6 FPlanning ! g; P% }6 s. VThe process conducted to evolve and establish maintenance concepts and 3 R: p' U* c9 Y5 t8 Q2 N4 G! Yrequirements for the lifetime of a material system; one of the principal elements of ILS. MAIS Mobile Automated Instrumentation Suite (USA term). - ]$ v9 x8 Q6 u4 ~% mMAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). # d' b$ |1 U/ |. ?' X* U9 xMajor Automated 0 O% W4 m' w+ B! p* Z" r- r0 l' Y7 RInformation 9 p( h. J* k; Y/ D: l, BSystem Review " _2 n( T: C% Y! e9 \! b( YCouncil (MAISRC) 8 j( H! C- o9 ^7 B+ z, C' O$ aThe Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and 8 q+ d5 }; ~ a2 e* ]Intelligence. See DoD Directive 8120.2.

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Major Defense Acquisition Program ! Z. d' I9 i) y, a' X) xAn acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 1. Designated by the Under Secretary of Defense for Acquisition and . C0 b5 E4 R0 `, t# BTechnology as a major defense acquisition program, or 2. Estimated by the Under Secretary of Defense for Acquisition and Technology d5 z I3 L1 _" A) ^. Rto require: & s3 ?0 l0 U3 D9 L6 Va) An eventual total expenditure for research, development, test, and ! C2 Q. `* x; s( t4 P2 pevaluation of more than $200 million in fiscal year 1980 constant 1 h4 |, E! B, ?/ E* |9 udollars (approximately $300 million in fiscal year 1990 constant dollars), or 5 X+ S3 c5 u) g4 ^1 M Yb) An eventual total expenditure for procurement of more than $1 billion " R% O5 M, k( kin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major Modification / z- F6 N& f- ^7 X+ [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 4 V8 l% [( i& q: F. N- n! D9 _& F) ~require a Milestone IV decision unless the decision to modify results from one of G! C! l0 P4 m; Nthe alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. ; \+ \# T' q2 a: I3 W. NMajor 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 combination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: - o- E( e" H; V, I1. An eventual total expenditure for research, development, test, and 0 t. s- u9 N! A. Devaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or - G! }( h: e! x$ _. b7 A2. An eventual total expenditure for procurement of more than $300,000,000 in O+ Z& ~& Z3 k+ C4 J' [. tfiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). * f& I- t. }% e/ z5 }0 vMDA GLOSSARY, VER. 4.0 M 175 Mandatory Access Control A means of restricting access to objects based on the sensitivity (as represented " M4 h* W W8 k) ]/ ^ eby a label) of the information contained in the objects and the formal ) ?& L: W9 J* \4 [/ ]8 o& w9 Eauthorization of subjects to access information of such sensitivity. Maneuverable Reentry Vehicle (MARV) 1 q/ R5 |, D' n# Y8 l5 ~! mA reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces ) d5 _# {' j( g4 Z+ a$ Y2 bwhen they enter the atmosphere, allowing them to turn and dodge rather than fall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). 6 K2 @/ y& \6 ^3 f0 N( Y1 @% M9 cManpower # Y- G, S' I, E% b: c% i0 zAuthorizations The billets in the manpower requirements structure that are planned to be filled. 0 S+ X) O0 R$ tManpower Estimate Report (MER) An estimate of the number of personnel who will operate, maintain, support, and train for the acquisition upon full operational deployment. The Services prepared % J6 M% v4 b' kthe estimates, and the SECDEF submits them to Congress 30 days prior to / K" X1 s T7 japproval for EMD or production. 6 f6 F5 l* R3 m# N+ K0 ~9 _2 EManpower, Personnel, # i/ G& I0 x/ S; u* Z3 X- RTraining, and Safety (MPTS) The human dimension of the complete defense weapon system. The term ! d W& W7 ?; i/ ]% `& b1 YMPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. Manpower, Personnel, , g; L0 {+ e5 U! `' j. y" c1 y3 \Training, and \% g" _0 b# O, j) D1 i+ [) ZSafety (MPTS) 8 j8 x: V" p( k- l$ wProfiles & b) N/ S( }! _& vA 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 demographics, training system characteristics and components, potential system % y: ]4 i- g5 B, Y! [hazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). 2 F0 U2 D5 U2 ?1 \0 \MANTECH Manufacturing Technology. Manufacturing (or Production) Engineering 1 J/ b7 C: K9 h& ?( A, j ]Pre-production planning and operation analysis applied to specific product designs. The functions of planning, specifying, and coordinating the application of required factory resources including: performing analyses of production 8 _& k( _* `& v6 N# E% poperations, processes, and systems; applying new manufacturing methods, ! V O4 i E# O) Y8 E, ^" ytooling, and equipment; controlling the introduction of engineering changes, and + g. M- z: f3 R. `0 gemploying cost control and quality techniques from the factory viewpoint. Manufacturing 2 ?: ^ g/ Z& C+ N: z3 MOperations, Development, and Integration Laboratory (MODIL) 1 h1 t4 u' r/ MAn SDS-peculiar integration mechanism to link product technology development % @' r3 k( p. C, ~ \concurrently with manufacturing process and control development for a costreducing effective SDS development. Manufacturing Technology , w, x# ?9 {1 l0 E9 T(MANTECH) Manufacturing technology refers to any action which has as its objective the timely establishment or improvement of the manufacturing processes, 7 o% ^7 t& y1 Q; y" ?techniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic ; Q: k' Z9 l: q* Javailability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific 9 F% I8 C2 {- t' O0 q" f' E vDoD program in this area. 7 W& e$ G9 g) Z$ dMDA GLOSSARY, VER. 4.0 M 8 @0 T9 X/ i: l4 F1 t# V: u3 K8 Q176 * J; y% d5 e7 E- \MAOC Modular Air Operations Center (JFACC term). 3 c; y- T( K2 \% ?: O9 c; hMAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. ! @( ?: W( S, j; g5 u7 H+ sMAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and Control System A US Marine Corps tactical air command and control system that provides the : }8 P1 R ]- t% F/ {tactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with " C8 h; T. b6 L0 Uother Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual ) l7 c, ?9 }4 v* D7 w# athrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. 9 Y2 N0 l T% XMARS Multi-warfare Assessment and Research System. ; z4 e4 I5 e8 F( H6 fMARSYSCOM US Marine Corps Systems Command, Quantico, VA & D8 D, z* y4 LMARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. 0 _& ~$ N; Y% S0 a( p) i w& V" w+ IMAS Mutual Assured Survival. ! Q8 f) |0 L/ D, F, o5 zMASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). ( ]& O C2 j2 Y* i1 K+ bMass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation , ]" B0 D* N0 }" E; wModel (SSGM). Matching Ballistic Reentry 5 R( s: J5 }+ U- k9 D; oVehicle (MBRV) 0 a9 W. C+ d: ?% b4 w9 m2 {Four reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. Matching Target 0 ^& H7 E* `8 \6 E, CReentry Vehicle ; p' |) r, I5 K1 ?(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia $ d# q c: o) C/ Z8 M0 }Labs. Planned for use on IFT 9-14. 1 ~9 q* u' a' o5 p* ZMaterial Fielding Plan Plan to ensure smooth transition of system from developer to user. 8 U, ?* n9 l7 i/ x4 {5 Z4 qMaterials Science , O; o$ S1 w# ]" d$ a- J" {The science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance 2 q; O) T; b5 ]3 H# i ?8 y- C8 x- bcharacteristics. (See Structures.) Also includes applying state-of-the-art / |% L5 d7 |$ nadvanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. P' y& I3 r: i9 pMDA GLOSSARY, VER. 4.0 M " E' ^) {6 w ?* U" @; ]177 Matra BAE ; y3 x+ z. b4 W9 u( ~' BDynamics * P( h# J* K! e5 N8 N- a6 JEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics , c4 R2 p1 I3 C. k; m. Pand Matra of France. 4 w* ` U' |, q" L4 Z) ~MATT Mutli-mission Advanced Tactical Terminal. ' T4 r$ B% t# PMATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. . Y+ _# K0 L$ F' Z7 U4 l; }MATTR Mid And Terminal Tiers Review. , n2 N* j P4 \1 A/ xMAX Maximum. % e+ S9 q9 d& D- W' F5 gMaximum Attrition Maximum attrition is employed in a target-rich environment to destroy the $ Y% y- g/ p) ]' ymaximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or required assets. MB Megabyte. " Y9 ]+ U' U6 f6 R- mMBA Multi-Beam Antenna. d3 |" h0 D; l1 F( `6 QMBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. 4 W, D- t$ o G7 eMbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS ! s' f' `1 t2 K2 z, ]2 W# xterm). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. % L' h$ W' h# r4 tMCASS MTACCS Common Application Support Software. ! K2 p$ @3 k; m4 K! A# iMCBM Midcourse Battle Manager. . f& X0 E3 ?* y( F! y8 a0 {. {& Y; a i$ jMCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. ! F) J' r7 s. g3 t/ }8 Y; eMCCDC Marine Corps Combat Development Center. / R; d! X+ y- n4 D" DMCCR Mission Critical Computer Resources. ' n$ C3 `; X; ]MCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. 2 X3 ]6 C3 s& p+ H6 ~MCLOR Marine Corps LORA Model (USMC ILS term). " E, q% s* V2 G! r, H" a1 ? A3 IMCM Multi-Chip Module. & m9 K& S4 l+ l, PMDA GLOSSARY, VER. 4.0 M + R3 ^: F7 A0 e178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. 1 z& N R) y+ A( z5 u& uMCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. " I% J" s. b" S7 [: f6 l# AMCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. 1 e2 j* S; ^- b# X# I& qMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. ) W# t+ {, z5 x4 HMCT 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. $ D4 b, n4 t, \4 v) y$ o0 mMCV Mission Capable Vehicle. 5 h( k* k! V2 t8 wMD Missile Defense. MDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision 3 Y: |0 K6 v0 K% ~1 OAuthority. (4) McDonnell-Douglas Aerospace. $ }3 @5 G% b, s0 lMDAHWG Missile Defense Ad Hoc Working Group. # Q0 Q/ O/ y" s' K5 z3 g! [MDAP 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. MDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. / ^5 S$ q$ { r9 r3 l$ UMDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. 7 I- B& p H2 O5 k(3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. 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). MDA GLOSSARY, VER. 4.0 M 179 MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). 5 E+ s+ D: d' h" k, L$ t! lMDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area MEA Mission Effectiveness Analysis (JFACC term). 0 u3 d7 m& L/ K, o {+ @" XMEADS See Medium Extended Air Defense System. ) q! s% E( e& r) l t7 U) x: n, JMean Time Between Failures / Q# H: g. A5 c) \# \4 y u& K1 q- ?2 \(MTBF) A measure of the reliability of an item. Defined as the total functioning life of an $ o! K# }# {3 m4 S4 a% S( S1 [item divided by the total number of failures within the population during the measurement interval. The definition holds for time, rounds, miles, events, or other 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 5 K% Z. X) @! `corrective maintenance actions during a given period of time. A basic measure + S0 u% ^$ y( E: b% H3 Xof maintainability. Mean Time to Restore System 2 {# ^/ ]- S* C" C(MTTRS) ) a% L; I$ Y5 S# cA measure of the system maintainability parameter related to availability and y+ h( q* r+ x. u9 Ureadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of ' I1 z$ T. U) h! T% |; X& v9 k6 Ctime. (Excludes time for off-system maintenance and repair of detached * |$ r* U( U I& ^! |: v4 A0 B' x, icomponents.) MEASAT Malaysia East Asia Satellite. Measure of Effectiveness , i" _& I3 ?9 ]: q(MOE) The quantitative expression (sometimes modified by subjective judgment) of the success of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth " l2 f% B+ t! R4 o& g! ^& UOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, 7 g e& M. z3 P. ^- blonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes up to approximately 1 hour), and generally longer lifetimes. This region contains & ~/ {7 ?1 i, }+ U( u! r# ethe Van Allen radiation belts where electronic components need special 2 t1 m2 W4 k; q' c5 F' ]* lprotection. 0 h R( y }$ CMedium 4 X9 A1 i6 g+ {9 wExtended Air Defense System (MEADS) 3 J$ j4 i5 P' n. @* u4 UA lightweight, highly transportable, low-to-medium altitude air defense and * j$ P" \# y; v4 |! Otheater missile defense system designed to protect critical fixed and : j" G' f3 x* ~. v( x) K8 S: {! ^4 ymaneuverable corps assets. MEADS superseded the Corps SAM program in 1995. % N9 m6 P; y/ H' ?Medium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, % y3 \- x8 {1 Y1 b) Otrack, and designate a target vehicle. Medium Range Ballistic Missile (MRBM) ' m3 S: _1 o( {" `A 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. , C* J: a+ Q; R9 d3 {9 ~MDA GLOSSARY, VER. 4.0 M ! D- e# ^% B1 r8 `5 Q180 7 k# ~$ @0 S# f# SMEF Marine Expeditionary Force. 2 b+ [7 F7 N; O, zMEILSR Minimum Essential ILS Requirements (NSA term). 9 I' r- h: C* n7 n/ K3 e+ TMEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. ( a# ~; Y Z' a- F5 o6 P' Y4 ]MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of ; r* v7 Y- h* x0 |Agreement (MOA) 2 T# m G! a1 r4 }(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of responsibility of the Contract Administration Office with respect to the . e, H9 r) t" X# g6 Zcost and schedule surveillance functions and objectives, and/or other ' w5 g7 Y5 Y3 |/ Z+ Lcontract administration functions on a specific contract or program. 8 }! f; r. Q/ R. Z* v(2) Any written agreement in principle as to how a program will be 0 c0 p6 G% v$ O- |administered. Memorandum of $ ]4 K. X. ]& R7 A9 j7 M u5 F: {6 m _Understanding 9 z4 R9 I, _ X* A(MOU) Official agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners : k9 h! T9 T: u7 |& K/ q2 c2 tgenerally recognize such agreements as binding even if no legal claim could be based on the rights and obligations laid down in them. MEO Medium Earth Orbit. . N# R/ H4 f6 u1 |# o3 W& bMER Manpower Estimate Report. : Q- A" z" k( x1 U5 R: gMercury Cadmium Telluride (HCT) z3 P! N; v- X3 E1 n( O8 H9 B( ^) zInfrared sensing material. " _% J& y( t& Q8 g+ V0 \MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. * H$ a8 I( A; m( hMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods Engineering The technique that subjects each operation of a given piece of work to close analysis to eliminate every unnecessary element or operation and to approach 0 _" M* w9 X1 d7 R& }the quickest and best method of performing each necessary element or $ ?! E2 a- X- }2 B* foperation. It includes the improvement and standardization of methods, equipment, and working conditions; operator training; the determination of ( g( H7 R: s( f+ Q7 y2 nstandard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. : H# }# w4 _5 J; E/ YMETOIA Minimum Effort Task Order Impact Assessment. / C% v/ E' s! x9 p- }3 q, N2 FMETOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. ; V( h2 l8 [9 z ]# fMetric (Software). An indicator, which measures some specific attribute of the software 5 t% E; O+ @# C+ edevelopment process. 0 }, h# t" S! Z! y( B* T3 X2 PMDA GLOSSARY, VER. 4.0 M ) W# K- S& o: `2 ?( F: L! G181 Metrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. , M$ U, x |4 K8 UMeV Million Electron Volts. % \) T b0 o7 w0 i0 x$ ]: i: `5 rMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. 7 c% o `/ r ~8 X6 D3 ]% v! iMFEL Medical Free Electron Laser. - C2 R. h; r0 W7 h9 lMFG Master Frequency Generator. # E. F: B$ v- |1 U- IMFL Multiple Folded Ladar. + V& ?7 O# i% J, GMFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. C4 j1 F" l) D5 E; EMFR Memorandum For Record. MFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. 5 N2 [' a/ T1 M) TMGLI Midcourse Ground Launched Interceptor. 0 M0 o2 L$ W* i% ~' i, U! p, `MGMT Management. j% |6 Q( X2 n3 c) S9 [MGTS Mobile Ground Telemetry Station. 3 F, B5 d, Z# l# C( P- C" |. O2 e& M) CMHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. ; o* X7 K; w9 f: T! `! }MHV Miniature Homing Vehicle. / I1 H; ]9 g( {& Q0 \mi Statue mile (5,280 feet). ' S: {) J6 f. i* W5 L3 O/ Z wMIC Management Information Center (MDA). ) D+ [4 Q8 Q! CMICOM U.S. Army Missile Command, Redstone Arsenal, AL. 2 f3 d# j2 _7 {" S& p' K( ]8 ?, IMIDAS Missile Defense Alarm System (US). / E3 A$ c' {2 v/ h8 I2 zMid-Course ) @% v5 o) U* q& d }( h5 K pDefense Segment 2 A3 ~2 k3 N' n7 N( G! B(MDS) ; c6 r9 @; L( }+ n& V7 R, n4 V- EThe portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. ; l1 N: w. D2 Y' V' ]Midcourse Guidance - F. R2 l' }6 Q3 O7 O# A0 }4 e% \The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M 7 B7 L1 ^( ^, V* V* u182 Midcourse (MC) 4 q3 j) q. D1 H0 @: u; }6 S1 t* GPhase That portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories $ Z7 y! ]! X) h1 ]. g7 Rabove the atmosphere. During this phase, a missile releases its warheads and $ u8 X+ J; M7 Edecoys and is no longer a single object, but rather a swarm of RVs and penaids 6 G& S3 O" s5 p: A% wfalling freely along present trajectories in space. 2 H8 l' R ?! D1 |+ ?& v$ z; dMidcourse Space + |1 C. T2 g2 l: S( K5 k- R& yExperiment (MSX) 5 M, ]5 R _ pDesigned to provide demonstrations of midcourse acquisition and tracking from * m2 ^3 Q4 |6 T1 Pspace, technology integration of optics, focal plane arrays, signal processing, - x8 s6 {" q' ~" betc., and collect background phenomenology measurements and target 5 L, N, s/ h7 f/ I/ }- i; Qsignature measurements. - \4 c% G5 {- V' y6 zMidgetman US ICBM. 9 j# w. x W9 r4 @8 L+ YMIDI Musical Instrument Digital Interface. ( z3 E: \. A9 ` `* P2 H, nMIDS Multi-Functional Information System (USN/NATO/Telecomm term). + R2 |: N/ w2 s. F" }/ H+ PMIIRD Mission Issue Identification and Resolution Document. ) A% n8 B2 J+ g$ T1 eMIJI Meaconing, Intrusion, Jamming, and Interference. 3 r: I! v/ g6 p* H: |" QMIL Man-in-the-Loop. ' I9 c8 g- W/ \( M3 }MIL-HDBK Military Handbook. MIL-STD Military Standard. 7 e/ W" j" f8 Q. oMILCON Military Construction. : U' j+ l* ?# l# U- F9 lMilestone $ S3 S8 P: ]- m, vDecision Authority & }0 i: [4 l1 J0 d2 a( N$ QThe 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. , t! ~7 K6 |2 \7 G2 X9 ~Milestones (MS) Major decision points that separate the phases of an acquisition program. ( h8 E, ?' u1 n4 L( vMilitary Capability ) @5 m8 O+ B9 d' _9 X7 x0 KThe ability to achieve a specified wartime objective (win a war or battle, destroy a 5 W D0 E9 W/ h q" E$ v9 u4 e1 E$ mtarget set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) % F5 U) J! X! N$ s2 pModernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity , |$ }& F2 x# o6 Mto achieve military objectives. Sustainability is a function of providing for and 6 ] k" F% E$ k( Q1 O" ?1 q( _4 wmaintaining those levels of ready forces, materiel, and consumables necessary to support military effort.