航空缩略语词典

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Kinetic Kill 7 o7 D- m7 I) [/ y2 R* G/ r. j4 H: _Vehicle ; B# V/ G% g1 Y' xIntegrated Technology Experiment ) k6 y! g4 o# O' |5 o7 [2 ]- R(KITE) A series of test flights at WSMR to demonstrate HEDI technologies. 9 E/ g+ P- x$ K5 N' a) VKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated $ Q' }( U# x: b1 ]; Y- e" BTechnology Experiment. . W4 d1 u- M6 w3 q! S! H' HKKV Kinetic Kill Vehicle. 4 |: J; n- Y) ?KKVWS Kinetic Kill Vehicle Weapon System. ; g+ i1 N# e- F+ m3 D5 H& Z7 J; oKL Kill Level. & p) k6 H) {+ Z' Q7 b' u9 DKm Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. , \* q: D/ l8 X6 m9 I, l' }' UKMCC Kwajalein Mission Control Center. - d; g: |* U( {$ ]0 t: w- ?) ^KMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. ! x f, ^2 g# _ MKPP Key Performance Parameters. 5 L: y: {1 c* c/ `MDA GLOSSARY, VER. 4.0 K 159 Kr Krypton. % Z9 t- D0 l& ^, HKREMS Kiernan Reentry Measurement System. % K$ `9 r8 r! S7 N' B% ]KSC Kennedy Space Center, FL. 3 x! n/ n- u2 KKt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. ' j0 e: g# j; C$ RKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. , g2 b0 ]4 A" b/ m" i7 S6 L" AKts Knots. . s5 H8 k0 @* d' ?/ L, [, x8 UKV Kill Vehicle. 5 j7 @: a" a) h4 akw Kilowatt. $ ~, y$ X4 E/ o( F: ^KW Kinetic Warhead. , A7 X! N N5 x k: i/ e% ~MDA GLOSSARY, VER. 4.0 L 161 ( `: p* t7 r% mL&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. 0 I1 J1 \* [6 Q2 C' R1 H, WL2SS Level 2 System Simulator - NTF. 7 y7 J6 _# G+ U% QLAA Limited Access Area. . a4 ]; t; p9 ^. |1 dLAAD Low Altitude Air Defense. 9 k Z" ]) ~# R: O* MLAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. 3 ^9 t) ^6 l6 qLABP Look Ahead Battle Planner % H1 Z) v9 F& bLAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). LACM Land Attack Cruise Missile. : R7 n7 ^; d# _) Y0 |LADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. 6 d: y$ G: |1 C' S9 T# d8 iSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo disable local ABM abilities so that following salvos are able to approach the , k5 N6 q& S! Htarget more closely before being, in turn, intercepted. Eventually, by repeating the process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). ( j/ @; p9 M1 { H, C/ A# ~LADS Low Altitude Demonstration System. 9 `4 L' r) b: ~( s. I0 d( K0 q& f# _LAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. ; `# q2 M `( n0 Y. l' }+ KLAN Local Area Network. : a0 k/ N1 }5 Q, M7 c4 M, bLandsat Land Satellite (NASA program’s satellite). : {. r, V0 Q8 n# m& K5 PLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. 7 G$ O$ f6 z- N; ~! f4 N2 eLAO Limited Attack Option. 3 s4 X7 B0 m9 x, yLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. MDA GLOSSARY, VER. 4.0 L 1 K6 w4 \. Q5 j' b. s$ v) C162 % F5 Z9 Z+ @9 c) \( oLarge 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 9 v" R0 Q6 F; y7 {$ Rprovide high resolution or high sensitivity for detection and/or imaging. % R- E; W5 J: d8 qLASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be $ G' K6 s) a$ ~used as lasants; these can be in solid, liquid, or gaseous form (consisting of " b& L3 U- k3 `3 Smolecules 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 - G' m, x3 B& |chloride, krypton fluoride, and selenium, to mention but a few. ' u' [7 F, w, c5 ULASE LIDAR Acquisition and Sizing Experiment. % D) Y% p# M, k8 Y0 J8 wLaser An active electron device that converts input power into a very narrow, intense beam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its - L- ` A* P$ U( t7 M1 V4 @( b; F9 ppotential for causing damage to the eye. }, R8 y7 `# Z& j# C" ~Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 1 }8 z2 {7 X) n |' ILaser Detection 1 X6 F M2 {2 z+ I0 s$ g* V2 band Ranging (LADAR) 6 _" k6 y& ~. M: q6 C% v8 g- KA technique analogous to radar, but which uses laser light rather than radio or 9 c; z2 `4 ]7 C# gmicrowaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. & G- I$ S4 N$ KLaser Guided Weapon 9 [" o4 D. W1 s8 G) h7 FA 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 8 F A# G5 V* k2 ~ N+ p+ }* Ythe 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 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 0 @/ u8 ^4 i. w) V( v& D$ f. S5 {, i( vthan 1 watt/cm2. Laser Seeker A device based on a direction sensitive receiver that detects the energy reflected $ b$ C6 g/ g9 Lfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. " P: B2 [. x( ^6 N5 vLaser Target Designating C( f% X! n# F( u4 h9 ISystem A system that is used to direct (aim or point) laser energy at a target. The system consists of the laser designator or laser target marker with its display and + U; Z6 Z2 e9 ?' k& a& |0 [control components necessary to acquire the target and direct the beam of the 4 u# K, A& K7 olaser energy thereon. , @0 x3 V0 {* @" Q3 t/ xLaser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. s. |, x. E; o$ ?, q: R/ Z; ^LASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 7 ^9 T4 R5 o3 Z* E: k+ Y163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) / z' L9 ?: C/ p% ? y- TLaunch Detection Initial indication by any one of a variety of sensors that a booster has been . F7 ]% d; o0 D+ xlaunched from some point on the surface of the earth, with initial characterization : }& c" }3 u9 _- u2 r9 kof the booster type. (USSPACECOM) Launch Point Determination : f \& ]6 U! m0 b h8 X) m% ?With computer methods, uses missile track observation to estimate the point on % R t, w3 J. O4 f. u) m3 ythe earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under Attack (LUA) 0 f+ |- Y; `+ E0 vExecution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. Launch 3 O6 M8 N P5 o* z8 DVerification . q c% d- ?5 q3 p5 FConfirmation of a detection of a booster launch by receiving a report from a sensor separate and independent of the sensor that initially detected a specific booster launch. Layered Defense A defense that consists of several sets of weapons that operates at different " Y$ o; L3 q2 ?6 U. t, l- Kphases in the trajectory of a ballistic missile. Thus, there could be a first layer . c: Z) |7 f) U, j: c; o) G(e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). lb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. " m6 }! \& D8 u# dLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component Commander (JCS term). / g0 F7 O4 g/ j, J2 J3 x9 {LCCS Life-Cycle Contractor Support. LCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). % w8 p7 o+ O7 R2 h! u6 N k3 P' @LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). LCS Laser Crosslink System. LDC Less Developed Country. + \% d4 ]" ~: O0 S7 O" M, V! YLDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. MDA GLOSSARY, VER. 4.0 L 1 M) P9 t0 M5 [6 i2 ?) Z& }- G164 LE Lethality Enhancer (PAC-3). 2 s& Q& Z% o8 {. CLead Component/ Service 0 `. _2 L. A+ {' S) ?The DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint % c- d3 G! L6 v2 Lprogram. LEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a 7 [& V7 M" g# f- J+ d, T. vpercentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. Leakage (Max) The maximum allowable threat objects passing through a BMD system expressed 0 W5 i8 g9 P. D2 j4 X7 Zas a percentage of the design-to threat. To ensure overall system performance, 9 o6 s& r# A# F; Xpermitted leakage is “budgeted” among individual BMD phases and functions. LEAP Lightweight Exoatmospheric Projectile. 4 ]6 z+ r# E- ]# W2 l HLEASAT Leased Satellite. # s2 C" N. i v e7 ?4 B- L" TLeast Privilege This principle requires that each subject in a system be granted the most 8 \' c) ]1 i; Q* {) g# l0 n4 arestrictive set of privileges (or lowest clearance) needed for the performance of B: q" a* p1 }$ i) i4 ~, ~authorized tasks. The application of this privilege limits the damage that can : e, j, ^, `, g4 r7 @8 Iresult from accident, error, or unauthorized use. - P: C& W- K- o5 n2 ]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. LEIP Link Eleven Improvement Program (USN term). 2 ?5 @8 I) p- i& }2 A4 p" qLEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). 8 L1 ~$ Z2 i& M# e' x7 ^LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. Level of Effort (LOE) : z- L! c( Q/ [+ C7 m+ xEffort of a general or supportive nature that does not produce definite end 6 H3 ~) D; |: N1 O0 V6 p; ^- ]products or results, e.g. contract man-hours. Leverage (1) The advantage gained by boost-phase intercept, when a single booster ) {7 i# m/ ?4 I' f0 l+ c3 Bkill may eliminate many RVs and decoys before they are deployed. This 8 z; A+ O$ s' o/ S# x! tcould provide a favorable cost-exchange ratio for the defense and would ) w+ [8 ^% D$ Y8 ^6 rreduce stress on later tiers of the SDS. (2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L # l5 R/ I. d8 k& y' ^7 ?% `165 % O2 k# R4 a |( p [ X( sLFIE Live Flight Integration Exercise. 5 e' r& M/ D% j/ u9 OLFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). & ^: R4 x5 M$ V4 G6 WLHO Amphibious Assault Ship. + ?3 u* Q! H6 C! }4 MLi Lithium. + H9 y, |; l; j" _* W6 l. HLIC Low Intensity Conflict. ! U& @, R1 F" L# G" v: H3 [LIDAR Light Detection and Ranging. ; U8 {+ x# C0 c5 N2 R: ?; E8 XLife 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. (2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. 0 l# ^1 k, ^0 s* {: z6 p' uLife-Cycle Cost " p& C( M* d/ L$ n3 S/ j. q! J) B(LCC) + I4 ]0 X% G/ E6 Z3 O9 V* l5 |The total cost to the Government of acquisition and ownership of that system . E6 M: [( K3 p' j8 ^. B7 Rover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. Life-Cycle Management $ K' i2 ^% J, Y \Process for administering an automated information system or hardware support system over its whole life, with emphasis on strengthening early decisions which 7 {" N) b& G2 S6 xshape costs and utility. : q% @( f0 c, o: ?( [5 i5 OLife-Cycle Model A framework containing the processes, activities, and tasks involved in the development, operation, and support of the system, spanning the life of the * }2 y% i0 o" b9 qsystem from the definition of its requirements to the termination of its use. : O3 N/ c0 \2 RLife Cycle of a Weapon System All phases of the system's life including research, development, test and 9 h9 c- ^7 ?2 D; K, u' k T) Pevaluation, production, deployment (inventory), operations and support, and 2 X8 n! Y! X* j2 [3 B0 bdisposal. ' T( h, Q0 K& `( E& HLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental & I% X. u7 S& ]6 U# ]: K4 xprotection functions. Light Detection 9 M; Q" i2 @: d$ ^3 A5 Rand Ranging 4 M0 n5 \$ V' {3 Q# w(LIDAR) 3 {8 d, H9 q# ]A precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas 1 C- t/ U- t2 s+ m& ~3 x(LREP) : O! z) W6 t& `Decoys that, by virtue of shape, closely approximate an RV’s signature with little + B+ F, B- F" Koff-load penalty. LIMIDIS Limited Distribution. $ p, h4 N* r/ q3 B9 E8 L" YMDA GLOSSARY, VER. 4.0 L % p' J1 m4 } p' i166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 6 L6 `. t8 T' @+ |geographically distinct. Not an all-out attack or mass wave. 8 d! b+ Y. R9 a& H( N1 fLimited Defense System (LDS) The development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile # s) o Z* c4 U; `; oDefense Act, as revised) capable of providing a highly effective defense of the United States against limited ballistic missile threats, including accidental or unauthorized launches or Third World attacks, but below a threshold that would : r1 r8 a1 H, }4 r' Vbring into question strategic stability. Limited Operational Capability (LOC) 4 W5 n. q0 L' e2 LA point in time when the first set of sensors and weapons can be employed to 6 _; A. ]' P8 nprovide a limited protection system. Limited Production 0 i2 f' \! f% |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, B! z# c5 v. gmanufacturing process final proofing, and product engineering and to verify a / A3 ? H3 O7 ~4 Y9 T5 L* K: dfactories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also $ z7 {' j4 }% z: v0 Pcalled Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty The bilateral Treaty signed and ratified by the United States and the (former) U.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under & L1 \& Y9 R9 F( Y% o- v3 ~0 nwhose jurisdiction or control the test would be conducted. LIN Line Item Number. Linac Linear Accelerator. Line Item (Budget) . \8 B4 c( A! h- p; R/ k0 dA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight $ c5 c7 E+ v. u4 d( V(LOS) ( s C' B4 Y2 x" v0 b9 n5 A. x, L! f* B' @The line from sensor to target necessary for the commencement of the detection, , o6 J4 x, t0 Z' b6 g9 oacquisition, track, and identification of a target. Line Replaceable ' t- {: N& V' J7 V+ pUnit (LRU) An essential support item removed and replaced at field level to restore end item to an operationally ready condition. (Also called Weapon Replacement 2 U ^* g- P: g+ Q4 Q6 g7 jAssembly and Module Replaceable Unit). Link-16 TADIL-J. Link Quality Evaluation This testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. * y8 {' x( t1 a, M, c: `& d; Z0 fLiquid Fuel Booster (LFB) " r( z/ A/ \, \3 i8 i Q$ sTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. LITINT Literature Intelligence. MDA GLOSSARY, VER. 4.0 L , F9 M% Z: ]& T" ?: `4 L/ W7 ]167 ( p, G1 ?9 z( M! S! T! y8 a8 `Live Fire Test ! X) {" ?! e b7 w8 ^6 l: h XAnd Evaluation $ g8 a% r+ h: x3 f1 u2 K" f(LFT&E) Survivability testing and lethality testing required before full-scale production. ' W3 N+ w7 |1 LMust 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 " O9 a; { d+ ~0 |improvement program that will significantly affect the survivability of a covered $ V) R! I0 s, k7 X1 Bsystem. LIVEX Live Exercise. 6 \2 X! j3 I3 M' iLIWA Land Information Warfare Activity. : _* E& ~3 r/ A" GLJ Life Jacket (BE term). 5 X( U% Y' C- Y( B8 mLL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison. 0 U3 ~0 `7 }) E- m6 q6 }. HLLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. , D! ^. F% @, BLLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. (2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. # R3 |4 A1 n" s( R4 b3 g" U% vLMA Lockheed Martin Astronautics, a defense industry contractor. LMANS Lockheed Martin Aeronautic and Naval Systems. + n' P9 D% q9 CLMC Late Midcourse. , j, k5 @, ~& n a. p* [) BLMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. LNA Low Noise Amplifier. ( N! g X6 D3 V f5 lLNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). ' j( S, T- X4 H$ ^& j! v/ P. wLNO Liaison Officer. 9 S$ A8 S) T) t6 y" V7 r' SLO (1) Local Oscillator (Electronics Engineering term). 6 Z0 O; |: A4 c" _6 Y! m4 ~% W8 U" H0 @(2) Low Observables (LODE-related term). 7 |7 B4 g) g1 K, U$ T# j/ `LOA Letter of Agreement. LOAD Low Altitude Defense. , @2 J: M: O7 b$ z1 lLOC (1) Lines of Communication. (2) Lines of Code. % V, W$ N- \- j(3) Limited Operational Capability. , Q0 ^' d* \5 BMDA GLOSSARY, VER. 4.0 L $ L( Y5 a( e8 g9 ^, Y2 d) h168 7 z5 T2 }/ Y' e1 P( G" r% k) m- RLOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of Engagement % G, z+ X+ q5 q! M6 y9 c+ j3 \$ XThe assessment of an engagement by high-resolution fire control sensors. 7 ?3 r+ B1 h3 m0 p1 lLocal Environment 3 O0 j' I r# j% RThe ISTC Local Environment contained within each node simulates the element 1 `1 O5 i9 m6 M% C9 Wto the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element 8 O4 x I; W" A6 FProcessor or Element Processor Emulation. Lock On Signifies that a tracking or target-seeking system is continuously and 6 z- k- Z4 o* q! \) j2 _automatically tracking a target in one or more coordinates (e.g., range, bearing, 0 a/ q5 Z: o$ u& Jelevation). 9 F" G, V; y1 v* p' hLODE Laser Optics Demonstration Experiment. ) d- A: E3 f2 e- y" pLODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). ) g9 ]3 N4 |# ^* ULofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the * v+ s3 N" H) N8 \. psame range. 1 S# C" \, x3 O' E3 `" k: PLOG Logistics. ( {2 p9 g7 {9 L8 F$ l( T8 nLOG.WIPT Logistics Working-level IPT b+ f+ ^% N# SLOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. " m; U, ^9 F4 [, k6 g/ eLOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of : L, {. T- O9 g/ Q% [/ nforces. In its most comprehensive sense, it includes those aspects of military operations which deal with: (1) design and development, acquisition, storage, movement, distribution, maintenance, evacuation, and disposition of materials; $ w# z+ q) p+ r/ s(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or construction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. 4 ?( k# [7 s* V+ }7 ?Logistics Support The supply and maintenance of materiel essential to proper operation of a 8 h7 F, K& I: T* Y; msystem in the force. 3 s5 p. x+ k5 ULogistics Supportability ' c9 A b. a+ N8 g8 yThe degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; , k2 {* G* C7 o5 y. Itransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. 0 i" Z0 e8 r% y# cMDA GLOSSARY, VER. 4.0 L / F7 t# a+ ^5 C8 i8 z169 / J2 o5 F: c c% a" QLogistics ) n/ f6 A" v) L" C/ aSupport Analysis 1 _3 s! R' f1 |8 K2 t k(LSA) The selective application of scientific and engineering efforts undertaken during . N& Y5 Q9 ?! E! M7 E! W; V L( hthe acquisition process, as part of the systems engineering process, to assist in: 4 X% z% {3 I! ~& R- @& vcausing support considerations to influence design; defining support ( M" p, x. Q, ~8 [$ g$ m: urequirements that are related optimally to design and to each other; acquiring the required support; and providing the required support during the operational phase at minimum cost. + p9 k1 D W. h2 aLogistics Support Analysis Record 2 V$ J4 [4 p0 X: l* j, `(LSAR) - _( |: L W* i4 U- [& X7 D5 E/ MA formal tool under MIL-STD 1388-2A that uses records/forms to document % M+ _9 F g$ u. i. |8 B1 |operations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply 2 P6 Q# k z, Q# ^provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. # S, p( g% V- u! g. T( u, k2 X* wLOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. . r1 x$ o9 L; K, j- }9 rLong Lead Items ! F* M# |/ W5 Z$ z3 YLong Range Air * C& }$ r. ?, `8 o' ^4 L7 ]2 N1 A: SLaunched Target (LRALT) t- d& U# n& t) L" W- s- C! RThose components of a system for which the times to design and fabricate are the longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. x& @5 h, G# D0 }Two-stage, air launched ballistic missile target being developed for MBRV-4. ; q2 E9 k: u nLong Wavelength ! k/ z5 @: E! M) K5 c0 A4 u) pInfrared (LWIR) ' _# K. B) @5 ?3 l7 b. kThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). ( w, p& V# Z) dLORA Level of Repair Analysis (ILS term). " v4 ^5 @4 T" ?* C0 N+ v9 KLOS (1) Line of Sight. (2) Large Optical Segment. ! t2 ?. d [4 \9 Q# \ Z* R1 w% YLOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude ( B7 S& W% }; P7 W- lDemonstration ; p1 P T6 |, a! u! }! G& X+ SSystem (LADS) n" Y! x8 F5 [6 \5 {6 aPart of the SBIRS Low Program Definition and Risk Reduction (PDRR) program ) n4 t [3 c7 C, D& H" pphase. The LADS will consist of a flight experiment and extensive ground 0 a5 d# R# X C+ o# Q+ n% Sdemonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low " {5 W- E9 Q) ~% u" Y6 H: @+ uconcept and collect phenomenology data. Low Earth Orbit . a" ]+ ~5 t: v, w- t; d9 I' h# B(LEO) ; ]# H; w, d. P' kThese satellites are at altitudes between 100 and 400 nautical miles. They 7 |8 ^9 A7 O5 c9 lhave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 6 s& x" W. l3 w5 L* @ Fminutes 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 ; d+ g) V! J: I) Q) ?+ H Ranomalies. 5 `/ j# x* c; s [. |* iLow " Q R5 c& o8 T2 IEndoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 ( m s/ M. \7 E: Q5 n/ |. BLow-Rate Initial Production (LRIP) , q# p; n, D3 e4 }' J* V9 uThe production of a system in limited quantity to provide articles for operational ) a) O2 f: S7 Ztest and evaluation, to establish an initial production base, and to permit an orderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. ( I" I1 k+ h( ]- b8 pLOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. 1 D( Z3 m" \3 G3 R4 w+ @% E6 TLPAR Large Phased Array Radar. 6 C4 U; Z" A4 V' h9 d4 J1 [) t! wLPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. * k7 P" |: ~; a( A(2) Launch Point Estimate. LPI Low Probability of Intercept. ' J! C' N ?+ o2 Y: SLPS Limited Protection System. 8 z& B$ S# K$ e. \0 a. zLR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. n$ X% P, N! XLRB Liquid Rocket Booster. ; t8 N' x3 k' i+ N. F# hLRC Lewis Research Center, Cleveland, OH. q0 i6 `# \+ cLRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. 6 n- D& D! `; O( [LREP Light Replicas. 7 }" o. m `& w, mLRF Laser Range Finder. 7 C |6 I% H& Z. A/ P0 [+ o1 }LRINF Longer Range Intermediate Nuclear Forces. 6 A) o8 @0 t4 Y5 x5 M4 c+ l0 xLRIP See Low-Rate Initial Production. ; \0 a; \& F6 I3 }. f8 G5 TLRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). LSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). 5 @$ l+ e! V/ g4 ALSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L 171 LSAWG LSA Working Group. % a9 @! Q0 Z/ d3 U1 A2 JLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). ' q3 \+ Z1 h1 C' |, S5 M: \/ lLSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. ! J3 ?" l2 B3 G4 x$ S9 r6 x2 v+ O5 rLSTS Launcher Station Test Site. 9 n1 ?4 K9 r2 Q1 `5 C$ {) | f/ hLTA Lead Time Analysis. LTBT Limited Test Ban Treaty. $ y9 P, a7 V) `/ L& J) oLTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor 0 R' `2 [" T a3 W9 d) i9 _LTV Launch Test Vehicle. o4 S6 a v: V' \; T. N/ T4 ULU Launch and Update. 2 D3 q* w2 L0 P! JLUA Launch Under Attack. 3 D, i: \+ b! C% \2 ^! }4 XLUP Limited U.S. Protection. LUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. 3 G$ e5 J( i7 C/ e3 qLVS Loral Vought Systems, a defense industry contractor. ; x, I# n/ E+ YLVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. LWAN Local Wide Area Net. 1 m$ g9 Y+ R3 c* a! \4 KLWIR See Long Wavelength Infrared. LWIR 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 1 X& _+ r5 C7 T, h173 . L% _/ v+ `% R8 ?, {' Y: Jm (1) Meter. (2) Minute. ! r% Y4 }8 k' ]0 W, |6 |. ^" d9 {M (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. + a0 }& r1 |+ I& v+ W; H1 gM-T-M Model – Test – Model. - A( |* y- q, ?M/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. : o; x! j3 r& m: OMAAG Military Assistance Advisory Group. MAB Missile Assembly Building. # ~ n" _0 T4 t( sMAC (1) OBSOLETE. Military Airlift Command. See AMC. : O; D/ |" D% S% S# d9 ^* h( M6 o9 G(2) Maintenance Allocation Chart. / y$ [% h3 r9 Y8 J( nMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. MACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. MAE Medium Altitude Endurance. + n/ T; X+ B! B5 r3 E0 MMAGTF Marine Air-Ground Task Force. Main Beam The primary directional EMR emitted from radar transmitters. Maintainer An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, ! P, Z3 n3 w v3 M& z2 G* Q5 Xservicing, classification as to serviceability, repair, rebuilding, and reclamation. 0 Q# s* N! u1 l6 f& YMaintenance Concept/Plan ) w3 g; [ w, C5 {! fA description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is 3 M: | [; J4 J" M8 f/ _. }) ldeveloped 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 & b7 M3 z' [5 h: Y& n# o) b& bdesign of the system/equipment and support planned for it. MDA GLOSSARY, VER. 4.0 M 174 Maintenance Operations The corrective and preventive maintenance operations that do not require a 8 A9 @, I/ D$ f K+ V! i) I! x3 ^- {deployment decision; it includes correction and subsequent validation testing 4 ?5 _3 S5 O$ S+ |and the update of relevant status configuration, maintenance, and inventory databases. Maintenance 7 p+ R I) t) uPlanning . g. a* x5 W5 F3 c6 NThe process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements s- ]7 O- f p8 a: kof ILS. MAIS Mobile Automated Instrumentation Suite (USA term). , p- o/ n m; m% T* ~: D' kMAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). 4 W' t; {5 R6 BMajor Automated Information System Review 5 O% r0 r [- Y9 ^8 kCouncil (MAISRC) u% U: z' z) g/ Q8 A" u5 J% Z5 tThe Senior DoD information management acquisition review board chaired by & I2 g$ `: @4 t* G7 M6 Xthe Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense 1 y) ` v, Q& ]3 w% e7 KAcquisition Program An acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 5 l% }* @" t6 y; I+ j/ F6 u% J1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or * b% H- Y6 B5 T9 J" q) a* B5 [2. Estimated by the Under Secretary of Defense for Acquisition and Technology 8 v* t* h8 q& _. Ato require: a) An eventual total expenditure for research, development, test, and evaluation of more than $200 million in fiscal year 1980 constant 6 k- m& N5 d( U4 g$ D: K9 X3 i- Ldollars (approximately $300 million in fiscal year 1990 constant / T' l) K: t- K3 P( Idollars), or b) An eventual total expenditure for procurement of more than $1 billion * v5 N* C6 u$ j9 ~in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal 3 K! s. A3 H1 V" z% k- j% E& Byear 1990 constant dollars). ( Z* D, ~' Z4 mMajor 3 w; a r' c& I& m5 @9 oModification 3 d1 l- O& j7 G% z+ LA modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of ' W" q( `* C9 H, [the alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. Major System A combination of elements that will function together to produce the capabilities required to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real # J6 U7 @% X8 o, b- Qproperty. A system shall be considered a major system if it is estimated by the : @% t$ K. I/ `& ?Under Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and - x) l) C0 x% _' Z" O6 g: Nevaluation of more than $75,000,000 in fiscal year 1980 constant dollars 0 j# b" @6 r* w9 A; S(approximately $115,000,000 in fiscal year 1990 constant dollars), or 3 Z$ M- A% J* }$ H# M! l2. An eventual total expenditure for procurement of more than $300,000,000 in 8 t$ z2 u) Z5 l/ R0 q' Qfiscal 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). MDA GLOSSARY, VER. 4.0 M 175 8 T0 c' W* H( I* MMandatory Access Control ! {2 n: ]3 r/ _9 v9 EA means of restricting access to objects based on the sensitivity (as represented % s% Y+ p- ?& B4 k0 I6 Yby a label) of the information contained in the objects and the formal : C8 p" V/ [. ^, jauthorization of subjects to access information of such sensitivity. $ X8 L# ]* O7 d3 ^Maneuverable Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the 0 |, y0 I h Z4 S1 A- P9 C6 s1 s: {% Dreentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when 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). : G4 P/ @/ J; { `" |8 |Manpower Authorizations 1 J1 T0 `1 p0 j6 Q* d/ JThe billets in the manpower requirements structure that are planned to be filled. Manpower ( S" ^+ C# e: F5 O5 ~) m9 uEstimate Report " O3 o1 Q4 g; h" K; g(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 the estimates, and the SECDEF submits them to Congress 30 days prior to approval for EMD or production. Manpower, Personnel, * ?( p& H8 B XTraining, and Safety (MPTS) 6 E8 i6 ~- `2 gThe human dimension of the complete defense weapon system. The term / M0 Y) T$ r# j" N9 X) h8 b) hMPTS also encompasses the concepts and disciplines of human factors D0 k7 u X- |- Sengineering and health hazard prevention. Manpower, Personnel, Training, and - T1 ~' [# Z9 N7 Y" ]; U" h3 KSafety (MPTS) Profiles A description of human dimensions and constraints involving a major system - M+ |1 C( I- m" m1 Gthroughout the system life cycle. This includes, but is not limited to, descriptions ) K' J. I4 J' ~8 I/ pand categorizations of occupations, aptitudes, individual skills and * F/ k8 [- ~' R# g) Kdemographics, training system characteristics and components, potential system : u$ y5 ]- k' j) m% Y. K; k) Phazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. 6 B ^- D1 c6 y; L, lMANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. 0 g2 X/ D( ~+ R; W5 |( X6 |2 b% ~Manufacturing (or / ?, x5 }4 b9 e( L# @6 tProduction) * a' D3 d+ k8 l% V: E. U6 s0 ~Engineering 3 q* b, q) C/ s n$ S) aPre-production planning and operation analysis applied to specific product designs. The functions of planning, specifying, and coordinating the application . P5 | R7 A( F) d' s" V" Tof required factory resources including: performing analyses of production G5 z: l! v) E' R+ c& }* {# \operations, processes, and systems; applying new manufacturing methods, ) y1 R3 d1 l: {: a2 O' n# Y2 N& `7 v: I; ttooling, and equipment; controlling the introduction of engineering changes, and employing cost control and quality techniques from the factory viewpoint. Manufacturing Operations, ! Q6 G! L3 b) B6 b# e/ y6 jDevelopment, and Integration 1 i+ \- @7 a: T7 W& w% fLaboratory (MODIL) 8 ~( @7 e( G; ~& b6 L" a$ HAn SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. Manufacturing Technology (MANTECH) , @* N; G; a3 KManufacturing technology refers to any action which has as its objective the 1 e" l& B2 F; s) N3 M# btimely establishment or improvement of the manufacturing processes, $ l/ b/ [7 a7 o! a, `9 D+ d* o. Gtechniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic D2 `! a$ A1 S3 Eavailability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific $ y' e* `4 y+ H8 CDoD program in this area. % l$ Q) V5 h X0 j5 B: w0 U7 @MDA GLOSSARY, VER. 4.0 M 176 MAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. 3 e* d# V8 |' u5 P5 CMAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). # w* J% y- ]2 Q. D7 C1 S2 K. jMARCO 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 3 ?8 J+ L: M3 Y. D1 j! ptactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with 6 B. ?; P. b5 t; K* Y$ _3 Vcommunications-electronics equipment that incorporates a capability from manual through semiautomatic control. ( P1 q+ I1 d- f' `Mark/Markup Line by line review and approval/disapproval/modification of the defense budget ( I7 g% F( d1 v( s' X8 t& Wby congressional committees. MARS Multi-warfare Assessment and Research System. 1 y7 j4 G' k3 ~MARSYSCOM US Marine Corps Systems Command, Quantico, VA / j8 G0 U: y0 gMARV Maneuverable Reentry Vehicle. 6 g" Y$ q$ g- J7 G& i8 r, LMARVIS Mid-Apogee Reentry Vehicle Intercept System. ( i' g/ D0 x1 NMAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). - B9 t" e) x; XMass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. 7 a. T: ~4 a/ U5 J$ pA mass ASAT raid consists of several ASATs attacking Blue satellites. ) }# K7 d' Y5 E. v4 o @MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation % r v7 Q. Q0 @% M6 iModel (SSGM). Matching & U' v4 {( G, |Ballistic Reentry Vehicle (MBRV) Four reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. % I8 Q! C8 N; w6 L+ bMatching Target , @3 c1 X1 d/ t1 dReentry Vehicle [4 K4 G% Z; v(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia - I- T4 X; w+ Y( O& ULabs. Planned for use on IFT 9-14. . v5 x# x; L/ y* U! {; U9 d# R4 hMaterial Fielding Plan Plan to ensure smooth transition of system from developer to user. # K; v5 u4 d/ R. f* f/ {Materials - t4 S0 {- ^6 n+ _. g% k7 Y/ C0 D8 X; OScience The science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance characteristics. (See Structures.) Also includes applying state-of-the-art ; x0 H% H5 u" g2 e$ N3 q) }9 Badvanced 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 9 N9 V( z( O) x1 m4 u177 Matra BAE # s$ K) _- C3 X2 M7 |2 r9 N) w |3 }Dynamics " s7 x& S; L8 J! j4 R) JEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics ' B. G; G o4 A5 q5 A5 j6 {and Matra of France. MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. MAX Maximum. ) t! o' F3 B; t! sMaximum - d X8 f+ S: p; l/ Q' U+ CAttrition / t, L4 @4 d1 P5 B! FMaximum attrition is employed in a target-rich environment to destroy the - v& U3 q: \$ jmaximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or ' t# O. q/ W( M- b+ X, u: s* \required assets. MB Megabyte. MBA Multi-Beam Antenna. & u$ l4 Z8 C+ aMBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. 1 C! G5 I7 r# \ [$ `MBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS term). (4) Military Committee. , Z3 Q& ^* i+ @MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. 4 R' E( S& ~% J+ WMCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. & Y( r; z) r% L% r+ I+ I, CMCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. MCE Mission Control Element. : p4 A$ q8 z' l- A% e7 IMCG Midcourse Guidance. / x( G c o/ p) T) j2 yMCI Midcourse Interceptor. , H2 P& u6 {4 P- }9 jMCLOR Marine Corps LORA Model (USMC ILS term). . ~! A7 g1 T- o2 e: U) R% iMCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 4 P$ a' A# u4 h0 ]! W178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. v5 C; S5 @6 v* a% {MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. % [9 N' X' Y W* @3 Z5 pMCS (1) Maneuver Control System. (2) Midcourse Sensor. / \. E) _8 W. i4 {& p4 mMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. 5 W5 C7 j" R5 _( ]3 r5 hMCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. MD Missile Defense. 4 @- P4 }- t( t2 \+ FMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision # t4 n9 O, {( k% @8 \Authority. (4) McDonnell-Douglas Aerospace. : I: j+ a7 m& y2 d) n5 AMDAHWG Missile Defense Ad Hoc Working Group. $ F) }0 e9 R4 {6 f2 e' qMDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. ( S+ z( I# N g$ x: E& v' uMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. . }) x8 o4 o; m5 E- GMDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. 6 x2 R1 Y8 }9 HMDR (1) Medium Data Rate (TelComms/Computer term). % I$ |% n1 @1 d% {(2) Milestone Decision Review. (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). ' j9 i8 o1 x3 j2 W( hMDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M 179 & Q) p+ |0 Q5 ~MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). ( m% M& y/ f2 mMDW Mass Destruction Weapons. 9 h7 ?# f( ~$ p i* t2 @ME/VA Mission Essential/Vulnerable Area % @( P1 z( G6 S! [3 R" {MEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time Between Failures (MTBF) A measure of the reliability of an item. Defined as the total functioning life of an item divided by the total number of failures within the population during the 0 \% e; w' B, p6 Kmeasurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. ( S. S" D; c7 k( s8 uMean Time To Repair (MTTR) The total elapsed time for corrective maintenance divided by the total number of & w8 [2 W0 Y9 L3 u3 J8 Ocorrective maintenance actions during a given period of time. A basic measure 5 T9 s4 n- y: C+ s1 {$ yof maintainability. 8 p& P1 g; X5 D2 _, l# eMean Time to Restore System (MTTRS) , F; N4 ]: ?8 y$ J9 n$ TA measure of the system maintainability parameter related to availability and 1 c$ v9 a3 h# q" w/ F" breadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of 4 g1 } E1 E+ A! ^7 Etime. (Excludes time for off-system maintenance and repair of detached components.) ) I5 y5 _( { Q$ v" S9 JMEASAT Malaysia East Asia Satellite. Measure of 4 ^0 P7 w. g: q! D* T- T6 iEffectiveness (MOE) " z7 Y' g5 R; `5 }; |The quantitative expression (sometimes modified by subjective judgment) of the : M1 X0 j) ], a5 p" q( ksuccess of a system in achieving a specified objective. / L* p8 t& D8 U v' G r' VMEC Mission Essentially Code (ILS term). Medium Earth 0 s+ Q" |$ J8 _+ r# eOrbit (MEO) 0 \( j/ _+ ]& Y; M- jSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, ! q& H5 M0 N/ `$ klonger 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 ' o8 x: N( `% {7 ~0 @$ y$ d! iprotection. Medium Extended Air Defense System (MEADS) % R7 k3 ^2 G, g3 q. I4 D; ? XA lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and 8 R3 E* v4 L. W t" V3 T/ ^1 e' nmaneuverable corps assets. MEADS superseded the Corps SAM program in - {5 H' _+ s B. c" q$ ~" \* [+ \1995. Medium Power Lasers 6 w& ?5 F* l0 r2 Y7 Q) y! K6 U! kLasers that radiate power less than 1 MW, normally used to detect, identify, + A( m& @3 B9 c/ y- r4 h% X, \1 {9 I% _track, and designate a target vehicle. ; \/ o6 \3 v5 Y4 ?/ u! G [1 HMedium Range Ballistic Missile ; L# D( i' R) n5 j0 |5 l(MRBM) o h0 L! x7 M- I# K- H, x* [A ballistic missile with a range from about 600 to 1,500 nautical miles. 5 M8 Z3 x7 i" }: L! ^. j/ N8 s5 pMedium * g/ g3 o" \6 J: C- E. vWavelength Infrared (MWIR) ! y& I# D" ~. Q U, a, U% Q: ^Thermal radiation emitted by a source in the electromagnetic spectrum / U% `! m" P* B' D1 F- D+ bencompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M 180 # i3 x8 m& E9 n4 Y7 xMEF Marine Expeditionary Force. ) M- d/ i8 n$ E) W( RMEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. . b, w8 k0 ^# H# p1 n) ?MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of ; L7 k/ }0 D" R6 Q! P( o3 E! E# QAgreement (MOA) (1) In contract administration, an agreement between a program manager ( }- n1 I l: B9 u9 h3 eand a Contract Administration Office, establishing the scope of ( N( w# r6 q6 X% {( U& ?; Nresponsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other contract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be ! h- D) P9 u }6 }3 J* u: w- t. a$ wadministered. Memorandum of / }! l: X& o2 I: G2 wUnderstanding $ K5 C( J2 p4 U(MOU) % n& [- k8 g* h1 w# Z) Y( GOfficial agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be ' f" r- V' P. w6 Nbased on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. & A1 }- _3 u) I& WMercury 6 I4 W4 B' I8 A2 t. r4 aCadmium Telluride (HCT) Infrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). $ r! a# ]0 G2 ]4 t1 Z9 M' d+ QMESFET Metal Schottky-Gate Field Effect Transistor. 6 `: f+ ` z" o6 \( z3 O: dMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. 9 L* l, C* ?' E' ?6 ]$ ]. QMethods & I1 n& [1 `) I* L- T( p9 E; zEngineering ) j3 H3 t; y* Y- K8 b; LThe technique that subjects each operation of a given piece of work to close G4 d1 Z: U' l9 R7 W/ aanalysis to eliminate every unnecessary element or operation and to approach 1 Z1 D) C7 @3 x* J1 i( P( vthe quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, . S/ u! [0 t* i1 Tequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive $ {* y2 m- S' d Jplans. " S# \3 @5 a% R0 x; m5 BMETO Minimum Effort Task Order. 4 l* Z1 Z/ l. K% k" lMETOIA Minimum Effort Task Order Impact Assessment. 2 y5 N( @+ |! I B4 p6 bMETOP Minimum Effort Task Order Plan. . [1 Q8 j% T1 M. w& \1 w' vMETOR Minimum Effort Task Order Requirement. . t* `& p; j" P! n8 M5 zMetric (Software). An indicator, which measures some specific attribute of the software development process. , z& ?+ x5 O/ j) y8 h4 DMDA GLOSSARY, VER. 4.0 M 7 ~8 V! s! F* Q, b3 `' n181 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. MeV Million Electron Volts. 7 q3 C$ N* d f& t: bMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. , ^ ~; T9 P2 T# pMFEL Medical Free Electron Laser. 7 M$ M& ^# R6 \MFG Master Frequency Generator. MFL Multiple Folded Ladar. MFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. MFR Memorandum For Record. $ G/ E- l4 q/ S. u6 {7 M$ mMFS MFS Communications Company, Incorporated. ! N) \0 \ ~# R0 XMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. 6 V7 U; k8 c1 A! G0 aMGMT Management. 7 R; x4 L8 B: i8 d: `7 D# |7 ?MGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. $ x* c+ c8 B" _3 |" O8 d- A' v qMHV Miniature Homing Vehicle. 9 p1 m5 B0 ?4 |+ m9 ?! Jmi Statue mile (5,280 feet). MIC Management Information Center (MDA). 6 U% v) W1 L& a, V5 k3 g: |9 DMICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). 2 t% { m3 ?5 rMid-Course Defense Segment (MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight 0 B$ b1 z3 W7 m- K( B$ c$ X+ lbetween boost and atmospheric reentry. Midcourse Guidance The guidance applied to a missile between termination of the boost phase and 9 S; C6 f& W* Q; lthe start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M & x% W( m' l0 _( P182 Midcourse (MC) Phase 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 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 # b8 h# u7 T1 R9 p5 [) n( yfalling freely along present trajectories in space. Midcourse Space Experiment (MSX) Designed to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, 7 P4 ~& d d% Q3 Q& w9 x* X' Tetc., and collect background phenomenology measurements and target : e9 V1 w K; g4 a0 B7 h' nsignature measurements. Midgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). & `9 x0 ~: _3 EMIIRD Mission Issue Identification and Resolution Document. 2 U& m t6 n) R- Z. j1 R9 u% NMIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. 3 a& r: l6 r, I0 M- K! t X0 R; z9 XMIL-HDBK Military Handbook. MIL-STD Military Standard. & Z! k, M* Z. S! IMILCON Military Construction. ( u9 [9 }4 n& u: g9 L oMilestone $ ~' H; w9 B4 x8 |0 m, s: p$ VDecision Authority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an % i' P4 v8 |0 ~( H/ facquisition program into the next phase. Milestones (MS) Major decision points that separate the phases of an acquisition program. " r0 g0 E6 f3 m' r3 z0 z- L; rMilitary Capability The ability to achieve a specified wartime objective (win a war or battle, destroy a - H- ]& F" q2 J8 b, |; @3 ftarget set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) 1 L4 V4 i/ u7 G8 Y; eModernization -- Technical sophistication of forces, units, weapon systems, and 0 y1 O, r0 Y* S5 c: y! Sequipment; 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 " o! q' I. m+ c5 d9 Sto achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary 4 r3 M! m$ N" n' {; H dto support military effort.