航空缩略语词典

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Kinetic Kill Vehicle $ P+ N7 e, R, }2 F3 Q! tIntegrated Technology Experiment (KITE) A series of test flights at WSMR to demonstrate HEDI technologies. & O: x, c' K9 H& rKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. * ?1 k% j6 Y& p1 F0 O. o! W3 Q" \KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. 3 z0 l+ j% S; d/ s+ c- JKPP Key Performance Parameters. ; [ M& |$ O$ P4 ~. SMDA GLOSSARY, VER. 4.0 K ( n3 b' n. g% G159 Kr Krypton. KREMS Kiernan Reentry Measurement System. j q( g. o5 z' UKSC 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. Kts Knots. + @8 }$ ]" e3 ]$ F4 FKV Kill Vehicle. kw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 L&TH Lethality and Target Hardening. 2 @3 L3 f# k. |5 ML1SS Level 1 System Simulator. & u4 Z# I5 ?6 P# o+ K5 TL2SS Level 2 System Simulator - NTF. LAA Limited Access Area. ( b7 M$ W' |: O, YLAAD Low Altitude Air Defense. & G$ J+ r% J- y) `7 ?+ T5 vLAAFB Los Angeles Air Force Base, CA. / W1 `- Z/ ?9 mLABCOM Laboratory Command. , i( G7 }( ?% j$ |5 SLABM Local Area Battle Manager. 3 e: W0 `: z1 `: \" R# uLABP Look Ahead Battle Planner 2 v, x9 a F- H6 P9 L' M( P: aLAC Low Authority Control. 2 M8 u. n* F0 [& ~' o: e( }2 u( SLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched - g6 n. D' s: \, h4 a4 h. |February 1990 and turned off July 1993). 2 `# o) ~" Q! i% {* ]/ z: bLACM Land Attack Cruise Missile. $ {7 q* _' M% ?LADAR Laser Detection and Ranging. : {# `9 c( t7 w2 m) U, Z4 oLaddering 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 target more closely before being, in turn, intercepted. Eventually, by repeating % a5 p% h. ~4 P# x& ethe process, the target is reached and destroyed. 1 k* P0 q/ @3 wLADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. 9 i+ Z) c+ g: h- q, p2 VLAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. 9 O, V4 D9 P: DLandsat Land Satellite (NASA program’s satellite). % c( b2 y2 k L7 p/ F7 Y9 r2 `. PLANL Los Alamos National Laboratory, NM. * d1 S, q8 ]+ S. xLANTRINS Low Altitude Navigation and Targeting Infrared Night System. ( _6 G) P7 Q0 {( a+ w3 u0 }' ELAO Limited Attack Option. 7 ?( R9 X( }3 {" [* x+ W6 fLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. MDA GLOSSARY, VER. 4.0 L / h" x: q1 `( V7 {+ G# X162 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 , m) D& Z. k9 I* `0 @4 xprovide high resolution or high sensitivity for detection and/or imaging. LASA Large Aperture Seismic Array. 7 a- ~0 O5 y6 q, Q& B0 M+ b+ pLasant A material that can be stimulated to produce laser light. Many materials can be used as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon + j, o& [2 a3 O ochloride, krypton fluoride, and selenium, to mention but a few. 3 L4 k! o9 \) ^1 sLASE LIDAR Acquisition and Sizing Experiment. Laser An active electron device that converts input power into a very narrow, intense beam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited # ?5 r, e! h6 l+ z5 D9 Fatoms to radiate in phase. Derived from Light Amplification by Stimulated 7 R* e2 y- `! b' i3 DEmission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. Y7 t$ k' h: M( U+ ELaser Detection and Ranging (LADAR) V5 M5 B! O: R$ w% t* B/ bA 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 ) X3 _1 l( h. r+ T% dbeam providing information on the distance and velocity of the target. + k& d- R: w+ A: K1 ~; @Laser Guided 3 K2 C% t& D! i/ I$ q) R. KWeapon , K5 i$ s6 }5 n0 `; mA weapon that uses a seeker to detect laser energy reflected from a laser % Z' P; z* E' H* \7 I# `& f6 r# ?; b5 Rmarker/designated target and, through signal processing, provides guidance commands to a control system. The control system then guides the weapon to the point from which the laser energy is being reflected. Laser Imaging Radar ; j3 }4 J* {3 d0 l; zA technology whereby a laser beam can be used in a way similar to the use of a * U w$ g; ]1 C! j# K7 Kradar beam to produce a high-quality image of an object. 2 {1 c) h$ g& n' M; m% G6 p. G* BLaser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2. Laser Seeker A device based on a direction sensitive receiver that detects the energy reflected O0 k- t" J* [( s+ ^& ?from a laser designated target and defines the direction of the target relative to + d3 W- a8 f2 Nthe receiver. See also laser guided weapon. & d0 E* K2 P- zLaser Target Designating / |8 g) C! E0 f4 {3 c, YSystem [4 v' a% K0 X/ ~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 control components necessary to acquire the target and direct the beam of the laser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself. , N9 S+ P* t+ J5 a$ T6 ?) SLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. 6 s" x, J# \+ k6 h" y3 [' dLASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L . q" Q) a5 c9 l4 ^5 H" v163 " Z- d L& w5 _. `" ~1 P4 WLaunch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) Launch Detection Initial indication by any one of a variety of sensors that a booster has been 8 n( v# z0 }0 f3 B4 a, X3 M, zlaunched from some point on the surface of the earth, with initial characterization " B- ?4 k. c8 m; m! Z. dof the booster type. (USSPACECOM) " P: o7 Q$ \4 J' \3 P Q2 O: Y5 b5 A" sLaunch Point & w7 ~' p0 U* j0 C/ ]Determination 0 C! r. a2 m* f* i3 eWith computer methods, uses missile track observation to estimate the point on the earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under Attack (LUA) % j' f' E9 q( w/ N6 _Execution by National Command Authorities of Single Integrated Operational 0 s& O. U: @1 L4 V" \2 ZPlan forces subsequent to tactical warning of strategic nuclear attack against the 2 b: }4 Z1 T) n! W" CUnited States and prior to first impact. 3 K5 Z* E. h9 f. `1 _5 nLaunch Verification # p/ z# L6 [& y- ?. U3 C d9 G$ DConfirmation 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. 8 A* t/ m! R0 O. w3 \Layered Defense A defense that consists of several sets of weapons that operates at different 4 O, n- f! g, D7 c1 yphases in the trajectory of a ballistic missile. Thus, there could be a first layer 3 K& u9 M. ~) _6 v" n( D; p(e.g., boost phase) of defense with remaining targets passed on to succeeding 0 {) R v) w" f$ llayers (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. " h& {0 R) }( R$ DLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component ' O) F0 `& m. q; hCommander (JCS term). / {7 W+ F, m7 K2 u& @, jLCCS Life-Cycle Contractor Support. - w6 c# N% G" t) lLCF Launch Control Facility. 9 i7 O5 W# u; ILCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). 2 }9 [( L! p2 T% Z0 u" w4 E0 rLCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). : j; L9 i9 N4 wLCS Laser Crosslink System. LDC Less Developed Country. 4 c# E$ t. [6 _LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited $ t8 V: a% w, Y3 U" a5 @Defense System. MDA GLOSSARY, VER. 4.0 L 164 LE Lethality Enhancer (PAC-3). Lead Component/ + b. w6 |- x& n0 s; F( cService The DoD Component designated by SECDEF to be responsible for management 4 s& i9 R" f% H4 H' Rof a system acquisition involving two or more DoD Components in a joint program. LEAF Law Enforcement Access Field. " _3 O0 f+ P0 YLeakage The allowable threat objects passing through a BMD system expressed as a 4 a. s! K' t) i* L, Q+ u* Upercentage of the threat. To ensure overall system performance, permitted ( x7 y- ^) O1 O9 F- |' uleakage is “budgeted” among individual BMD phases and functions. ' M; h8 ^ y7 U+ }- D, Z6 FLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed as a percentage of the design-to threat. To ensure overall system performance, ) q5 ?7 x" q$ s/ P1 K7 l8 E$ }permitted leakage is “budgeted” among individual BMD phases and functions. LEAP Lightweight Exoatmospheric Projectile. 7 o2 u- h2 l6 _5 d2 a7 GLEASAT Leased Satellite. + b2 h* d1 u N. O' [. |' `; GLeast Privilege This principle requires that each subject in a system be granted the most restrictive set of privileges (or lowest clearance) needed for the performance of ( y: r8 H3 ], eauthorized tasks. The application of this privilege limits the damage that can 9 B1 k4 S$ l7 a6 X) l# Q& @result from accident, error, or unauthorized use. LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. 2 W6 c% X/ u5 bLEDI Low Endoatmospheric Defense Interceptor. : i- p) ^# k, ^$ d9 ~3 JLEDS (1) Low Endoatmospheric Defense System. u4 e+ g" B7 X w) s(2) Link Eleven Display System (USN term). ) M( T& R, F: N5 j4 Z3 l! p* yLEI Low Endoatmospheric Interceptor. , L7 T1 N' s4 L3 mLEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. 2 i+ P0 _# ~/ ?( s' yLELWS Low Energy Laser Weapon System. m% a! o- Q! h) \. ALEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. ~' B2 X2 V6 ?5 S3 Q/ j( h" sLevel of Effort (LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. * S7 K& d( s5 aLeverage (1) The advantage gained by boost-phase intercept, when a single booster - V# ^. c8 } Q! ^% t g, a* B2 d. Akill may eliminate many RVs and decoys before they are deployed. This 2 u, X1 z0 d; I' Q! W! E" b3 lcould provide a favorable cost-exchange ratio for the defense and would reduce 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 165 / d5 v& |" b$ z, B# e; X0 H5 ]& ?. MLFIE Live Flight Integration Exercise. 2 z5 ]6 ^/ e' W/ q& g9 {LFOV Limited Field of View. a# X9 y9 i8 |0 k GLFS Loral Federal System, Gaithersburg, MD. + G' f1 ]/ u2 Q3 G- w% oLFT&E Live Fire Test and Evaluation. ) c, H2 m& O" D) P* pLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. # A2 Q. a+ m. g& F# w, t& \' ^(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). 5 [& _' j3 Q2 j0 h" Q4 H$ qLHO 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 0 G6 K" i5 C$ [& C: g. ^# udeveloped 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. Life-Cycle Cost (LCC) The total cost to the Government of acquisition and ownership of that system over its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. Life-Cycle ) z. v! S+ a1 S2 D/ c9 tManagement 2 q9 V/ |5 o$ xProcess for administering an automated information system or hardware support 4 x. e4 i- V3 X& g& q8 dsystem over its whole life, with emphasis on strengthening early decisions which + w( q- ?7 u+ ]4 \3 vshape costs and utility. 1 P. n7 ?' V& D# z% n; @5 g8 sLife-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 system from the definition of its requirements to the termination of its use. Life Cycle of a Weapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and disposal. $ F. @3 t* x) g8 A9 _" {4 yLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket 8 y& ~& m; a, R' e' O" U) `! scontains subsystems that perform power, communications, and environmental . _4 i1 e* T# ~+ K% wprotection functions. ; c" P" n/ t4 n. f$ z: NLight Detection and Ranging (LIDAR) / L) Y, `: l0 J8 Q, O6 i) ?$ gA precision probing instrument used to measure concentrations of different 1 [! D6 N" _5 N) tgasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) % [* K" N) M2 x' u- a* q, ^Decoys that, by virtue of shape, closely approximate an RV’s signature with little ) j( l" _" r$ j- U3 j; koff-load penalty. ) E/ \1 k1 ]% zLIMIDIS Limited Distribution. ( C7 U( |& g' n- Z' m/ IMDA GLOSSARY, VER. 4.0 L : A; j6 {- W1 V+ t! b/ L166 7 y9 F4 k6 o3 mLimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 3 J% }) a: l& G9 bgeographically distinct. Not an all-out attack or mass wave. ; m4 e F' g0 B% s- a5 hLimited Defense 4 u/ T1 l: G8 R0 N- zSystem (LDS) 7 P4 U; {" c, H" [' F5 I& @The development of systems, components, and architectures for a deployable * J# r* n9 g) p3 {anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile ) p. l) }, M$ {& {" I( _& DDefense 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 bring into question strategic stability. 8 u. C& z7 p8 w6 _Limited Operational 8 p+ Z C2 r8 L* ^* c+ T; OCapability (LOC) ; A E a( J" `) K$ s! j3 s: XA 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, - P* N0 }1 G1 F6 O; P, ~4 nmanufacturing process final proofing, and product engineering and to verify a $ Q* m+ u- e: N- t: kfactories capabilities prior to a decision to proceed with production. Decision 5 C* e6 L* {) \. ?/ _$ i/ X+ V4 M ]usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) . R# m( o! Q2 _) i1 eLimited Test 8 c: n7 J* i! z5 L& F. {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 9 z$ g+ J& K" i. j/ \whose jurisdiction or control the test would be conducted. LIN Line Item Number. / L7 A6 y5 p- X. H; J8 R, y% J- BLinac Linear Accelerator. 1 h3 N" T+ H! y3 `Line Item $ r: M% b" ^" C' E& [(Budget) 6 J' y0 x1 b. i: O! K) E; K: ?$ ^" cA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight (LOS) 4 q) D. s/ w! m, c m+ S7 m4 XThe line from sensor to target necessary for the commencement of the detection, ( M; Q1 S5 s, c$ v q( U2 Yacquisition, track, and identification of a target. Line Replaceable ! X: }2 F; i" {1 ZUnit (LRU) 2 r( s' n N& L& M LAn essential support item removed and replaced at field level to restore end item to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). Link-16 TADIL-J. Link Quality " `8 {9 y0 q m* ZEvaluation % o8 }( D; H# l* x6 [& `This testing of links to create bit error estimates and monitors natural or induced link interference. % l6 F' N: }' P8 MLIP Lethality Improvement Plan. Liquid Fuel + I8 q2 n# W- O& B2 h% b# dBooster (LFB) Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. 6 {* y& T7 n2 z- G8 ?LIS Laser Isotope Separation. $ u: T4 F6 s: l! I4 `) {. z4 ` S/ NLITINT Literature Intelligence. ) @$ E3 o, R; e: k# O% v; {. JMDA GLOSSARY, VER. 4.0 L / Z) S: N6 u! ^167 , R2 L7 G. p# ?* X; [* z. BLive Fire Test : B6 u7 d) i k1 F, xAnd Evaluation 4 x: I& u8 q' p7 t(LFT&E) * a0 D1 I9 U p' F3 W9 P. Y6 P4 hSurvivability testing and lethality testing required before full-scale production. Must be conducted on ACAT I and II programs for: (a) A covered system (a : {& G! I+ d0 f% i7 Iconventional weapon system designed to provide some degree of protection to ' {, d# _3 f( A# H/ t: Dthe user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered system. LIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). 0 d1 q0 x3 R6 ~, oLL (1) Lincoln Laboratory, Lexington, MA. , L7 }* n* q/ z( |7 o/ y(2) Legislative Liaison. LLM Long Lead Material. " M, N- k" E2 J1 }: x3 lLLNL Lawrence Livermore National Laboratory, Livermore, CA. & y/ E* w5 P6 U# dLLTIL Long-Lead-Time Items List (ILS term). # t; _6 Z6 ]3 aLLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). $ N* n) O4 Z3 ~& ]* g1 J% ^2 i, vLM (1) Lockheed Martin, a defense industry contractor. (2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. 5 V) X$ @' N- s* B) }LMA Lockheed Martin Astronautics, a defense industry contractor. LMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. ! u1 l6 l1 Q7 ULMFBR Liquid-Metal Fast Breeder Reactor. 7 m! |3 ^+ c, R7 T3 I$ gLMIS Logistics Management Information System. 2 i9 k" C" I' JLNA Low Noise Amplifier. 6 ?7 c; V: [. y; i( A9 ?3 CLNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. # \; w/ i T6 \+ i+ r6 ALO (1) Local Oscillator (Electronics Engineering term). 6 R. g; Y! t) R: t/ |% J(2) Low Observables (LODE-related term). l9 B! Q7 ^% n& H0 j0 FLOA Letter of Agreement. ' Q, u, y1 G) ]; R8 `LOAD Low Altitude Defense. 6 g* Z* ^/ t8 CLOC (1) Lines of Communication. 6 t- H$ ?* n7 G+ L8 e) t8 D(2) Lines of Code. * C+ k: L# Y* S& r% ~- i(3) Limited Operational Capability. $ i1 B; o- Q4 I3 ZMDA GLOSSARY, VER. 4.0 L 6 t( g* G& @" U1 U$ X168 : ]- L. Y. H! c; h# O+ iLOCAAS Low Cost Autonomous Attack System (USAF term). Local 5 J" ]- e3 D, }. h+ X" X; OAssessment of . w! {, g" D/ o7 p, rEngagement The assessment of an engagement by high-resolution fire control sensors. Local " k# w1 t1 M- T" T8 NEnvironment , S7 w' b9 M5 Z; r: y( e; w9 x- tThe ISTC Local Environment contained within each node simulates the element , ]9 b" J5 g% o! ito 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. , k6 M+ W/ Y7 y8 \4 O7 Y/ v0 H+ Q! ILock 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, , O4 b6 _3 e) E, p7 Z* `elevation). LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the , D- [, b0 p' W9 asame range. LOG Logistics. 6 f9 S0 a5 P) q2 s) P( l/ vLOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of forces. In its most comprehensive sense, it includes those aspects of military operations which deal with: (1) design and development, acquisition, storage, 9 b! m) M( G% R$ ^+ _movement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or / K* O5 a0 e; v4 R; Econstruction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. " C R: {7 ^' z& S1 O0 c# ULogistics 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 X# h% `- r3 K4 [$ x6 {" Etransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. + B: z- t6 n+ ], q- W7 |MDA GLOSSARY, VER. 4.0 L 169 / x1 l& M1 M$ s$ [: s( RLogistics Support Analysis (LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: causing support considerations to influence design; defining support . Y8 Z2 [+ d) r4 W# o& M/ Urequirements that are related optimally to design and to each other; acquiring - j" C2 i! d( C2 J! N* Mthe required support; and providing the required support during the operational ( ~ W( Z$ a1 Z- A) y& X2 x# d- Gphase at minimum cost. Logistics Support Analysis Record ; _/ I- C2 ]2 t& L+ U( M. E; u(LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document operations and maintenance requirements, RAM, task analyses, technical data, 3 x0 H2 @% r/ G1 Dsupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, # Y1 ^" M. ~: G) U; _+ Tand transportability. LSAR is the basis for training, personnel, supply 9 u2 q- ^9 ~* P* |- Sprovisioning and allowances construction, support equipment acquisition, 6 y! S% X1 F9 }2 tfacilities construction and preparation, and for maintenance. ' s6 x- J# B& q: k7 R' B/ HLOGPLAN Logistics Plan. 5 h- i5 r: Z, y1 v1 hLOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. & J0 T' z& R, {8 ^$ E- q0 rLOMEZ Low Altitude Missile Engagement Zone. 9 v! |( o- o( z3 V0 _( F yLong Lead Items Long Range Air Launched Target (LRALT) $ J( d: B+ |7 a% y8 |8 n6 y2 yThose components of a system for which the times to design and fabricate are 0 P" j7 w! k6 y5 ythe longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. % g! H" ]/ u; Y0 \. J. MTwo-stage, air launched ballistic missile target being developed for MBRV-4. ' B* P: `/ I, j: x4 x( z/ HLong Wavelength Infrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). LORA Level of Repair Analysis (ILS term). # H" w" y5 s. [! c( lLOS (1) Line of Sight. (2) Large Optical Segment. 8 n7 P6 r9 ~% c* Z: q$ W$ jLOTS Logistics Over-The-Shore. 1 H* c( V w' \7 CLOW Launch on Warning.

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Low Altitude " U7 b* f& ^! RDemonstration System (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program & G) o; i; ^ y6 zphase. The LADS will consist of a flight experiment and extensive ground demonstrations by Boeing North American. The LADS flight experiment will be 7 u' O' ^$ m+ c: N& |launched in late FY99 to demonstrate the sensor performance of a SBIRS Low 0 i# v* _/ }9 s9 [' _concept and collect phenomenology data. 4 g3 v: m. [6 G6 T" HLow Earth Orbit / i8 L0 H2 k9 t$ L& F(LEO) These satellites are at altitudes between 100 and 400 nautical miles. They have short duration revolutions (about 90 minutes), short visibility envelopes (2.5 . g# H2 \! h! t' Aminutes up to 10 minutes over a tracking station), short life spans, and are most ) P+ `1 D. H" o! A5 P" Z. usubject to orbital perturbations due to atmospheric drag and earth gravitational ; R( F3 j% ?8 |/ N1 S2 Lanomalies. 7 P% K$ u# R6 ~# I9 W3 KLow Endoatmosphere ) C5 Z2 ?+ v7 K4 c3 |7 ZThat portion of the earth's atmosphere, generally below 40 km altitude. , A d" [2 t9 p% ?: q. y% R. RMDA GLOSSARY, VER. 4.0 L 170 ( i' X. U7 Y' o& L9 B( wLow-Rate Initial Production (LRIP) 2 q& `7 N) K. |$ c. {The production of a system in limited quantity to provide articles for operational test and evaluation, to establish an initial production base, and to permit an orderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. LPD Low Probability of Detection. . C+ w4 ?; y8 o" _* gLPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. LPI Low Probability of Intercept. LPS Limited Protection System. LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. 1 V8 u u, n9 u) D0 r" S, JLRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. / M' U! M8 F+ ^4 C" @% R; vLRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. LRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. $ X" [: ?1 m9 n# KLRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). - g* P7 v4 |- ~6 b7 p! x# mLSA Logistics Support Analysis. 0 u5 C/ Q4 G* Y: V1 vLSAP Logistics Support Analysis Program. ! @9 p; _# i8 ~: X- s) w! }# wLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). 8 G) E, z& t& p! ]3 e2 T, m; WLSAT Laser Satellite. . \: m N1 a/ c& V! g- G2 _MDA GLOSSARY, VER. 4.0 L 2 K; ]! [+ R9 o* ^171 LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). ( B2 I; R& ~: {/ ILSEA Lifetime Support Engineering Activity (ILS term). # S) P8 ~/ @0 t" ~: ILSI Large Scale Integration (circuits). `% I% f9 d1 m8 Q1 k1 ALSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. LSTS Launcher Station Test Site. + W) y2 F% X$ E) ~& HLTA Lead Time Analysis. LTBT Limited Test Ban Treaty. + L- {9 b% b }8 a( X8 ?5 JLTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor - i D/ q8 N7 o1 _LTV Launch Test Vehicle. LU Launch and Update. 3 s, O1 B) z* S W/ ~LUA Launch Under Attack. LUP Limited U.S. Protection. 8 T( `) A$ p1 Y; Q% uLUT Limited User Test. 6 N- w* H) Y9 {1 y- b3 l8 \LUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. $ p* W# q2 N/ qLVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. LWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). 5 @* s A; L3 W. _3 W* X3 W# y7 r$ ILYTBT Low-Yield Threshold Test Ban Treaty. ) L- }2 K& {0 k9 Q0 p( ?6 q% iLZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 173 8 w9 m1 b5 r. B |$ ~6 _m (1) Meter. (2) Minute. M (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. 7 {; f M) }& h; \% \M&P Manpower and Personnel. / A g* {8 _' v! ~( QM&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. M/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. 2 n% c `7 ~* w! ~8 |0 dMAA Mission Area Analysis. & A& J3 |4 Z: Q9 ?# p' j# [' fMAAG Military Assistance Advisory Group. MAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. ( n( w. ]) h6 X* n. [(2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. MACOM Major Army Command. # V) A" F7 o4 Q' `MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. ! q$ g" [0 j* o9 _/ A7 y8 rMADS Modified Air Defense System. MAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. % a* W+ {/ o; E" A: ]6 R5 P) I1 aMain Beam The primary directional EMR emitted from radar transmitters. 9 I* K8 q, A: r- T! g/ ?Maintainer An individual responsible for retaining the major defense system in or restoring it * o) C6 ^( ]# P/ ~1 L, @& B, zto a specified condition. Maintenance activities include inspection, testing, servicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance 8 @) W6 D, N9 I. W( ]Concept/Plan A description of maintenance considerations and constraints for 8 m' i% D/ _# {2 }9 hsystem/equipment under development. A preliminary maintenance concept is 9 Q" {4 G5 U, l, e {: [4 {4 ?developed and submitted as part of the preliminary system operational concept for each alternative solution candidate by the operating command with the * z" o( w. O8 M' {, ]0 zassistance of the implementing and supporting commands. A major driver in 5 c; Q; k: G9 a9 g- n1 hdesign 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 deployment decision; it includes correction and subsequent validation testing 7 h+ }4 m9 K3 g. h; r5 ^and the update of relevant status configuration, maintenance, and inventory 0 S2 G7 D: _" M! b$ i+ zdatabases. $ e: m9 f3 [/ X3 vMaintenance Planning The process conducted to evolve and establish maintenance concepts and , i( b, E" j" }# k: Prequirements for the lifetime of a material system; one of the principal elements of ILS. 0 }+ `$ C A9 T6 u3 W" |3 H7 T* DMAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council % ` e& a: O" H& O5 xMAJCOM Major Command (USAF). Major Automated Information " [8 A" d: |' BSystem Review I9 R- T9 q* N3 p4 P% yCouncil (MAISRC) The Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and - C9 h( W2 x; P |, XIntelligence. See DoD Directive 8120.2.

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Major Defense ; \, P' a% n! R5 W7 f. z: T4 @/ u2 k6 xAcquisition Program An acquisition program that is not a highly sensitive classified program (as # @) Z0 s0 ]* f: B% y6 G$ r5 d! `+ udetermined by the Secretary of Defense) and that is: 1. Designated by the Under Secretary of Defense for Acquisition and 2 `; @% I9 \8 X* }: t6 bTechnology as a major defense acquisition program, or . m! v2 V. q5 X. a: i; y, _! @ {' M2. Estimated by the Under Secretary of Defense for Acquisition and Technology ! k9 c: q% ^* `0 d" Kto require: a) An eventual total expenditure for research, development, test, and + v( a; _7 d$ |( M3 g! r8 a( fevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant dollars), or b) An eventual total expenditure for procurement of more than $1 billion 3 K+ Q5 _: l' u4 w. }. V9 oin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major _+ L. T/ `0 `# Q# j' o; PModification A modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications 1 x+ a7 T$ x6 T% p$ w+ X& R: D% Vrequire a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. + U8 j# Q# b# g- @; g$ ~ iUpgrades are part of the Milestone 0 decision process. Major System A combination of elements that will function together to produce the capabilities 5 G1 J+ c6 l/ krequired to fulfill a mission need, including hardware, equipment, software, or any % M; \6 u5 C0 Scombination thereof, but excluding construction or other improvements to real 1 T( t# m! f& a; m h7 Nproperty. A system shall be considered a major system if it is estimated by the $ G1 Y. x7 L! L5 O' qUnder Secretary of Defense for Acquisition and Technology to require: 9 d8 Z2 c9 k8 }4 W1. An eventual total expenditure for research, development, test, and 7 C) l8 P8 H/ m# \ I8 A# O" _evaluation of more than $75,000,000 in fiscal year 1980 constant dollars 9 y4 I5 L2 |4 d( U% Q4 H(approximately $115,000,000 in fiscal year 1990 constant dollars), or 3 P" y! R e& ?- v, _; B, x; Y7 d2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 175 Mandatory Access Control $ `. L0 |5 R9 d8 u+ IA means of restricting access to objects based on the sensitivity (as represented " i |5 D+ F7 W) I W8 r6 k) Cby a label) of the information contained in the objects and the formal - X5 Q6 W) H; m3 H2 f4 oauthorization of subjects to access information of such sensitivity. Maneuverable 4 a6 s1 j# Z W* F5 J5 T* `% e# c: |Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when they enter the atmosphere, allowing them to turn and dodge rather than 8 S" V$ h' z; h5 }fall ballistically. They have no ability to maneuver in space. " E. r$ j$ y5 C- N; U- nMANPER Manpower and Personnel ILS term). Manpower Authorizations The billets in the manpower requirements structure that are planned to be filled. B, F8 Y/ L( F) `8 _9 {! u7 ZManpower ! }$ |1 G! `$ L5 D, oEstimate Report 0 o/ w* g3 l2 l% J6 g(MER) - ?) |# Y/ n# {9 o2 eAn 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 4 U7 L* L" O' y' Qapproval for EMD or production. J" m$ V0 h* _+ n! bManpower, Personnel, 1 Z5 }1 C1 h* ^( k" Q ?1 D+ hTraining, and Safety (MPTS) , b" v6 I0 [- I9 T7 b) fThe human dimension of the complete defense weapon system. The term ) Y/ A+ D2 |6 l7 z6 r- jMPTS also encompasses the concepts and disciplines of human factors , ?$ Z. ~( o; W" Z& Y9 K* hengineering and health hazard prevention. Manpower, Personnel, , _$ }' Q+ K+ Q9 U* T MTraining, and 1 H7 k* [6 L; h8 [) Y+ wSafety (MPTS) , b" l8 h) l* ? ?Profiles A 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 : @2 h/ i) \7 o d6 q" rdemographics, training system characteristics and components, potential system + M. U& m a! t5 Nhazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. / ~& v! C: M# o$ eManufacturing (or $ D7 l9 S% N+ Y3 v0 {) [% X5 _2 aProduction) # _2 I# W) w7 W7 REngineering Pre-production planning and operation analysis applied to specific product designs. The functions of planning, specifying, and coordinating the application 3 ^* s3 K D( i1 {. C8 E( Mof required factory resources including: performing analyses of production 9 {; e; n) ^" F& Y4 |operations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and # d9 K! L. K J4 m" a8 L" k2 z) Jemploying cost control and quality techniques from the factory viewpoint. Manufacturing 9 q0 b$ ~1 o8 O/ C5 ^6 @! z% E' y- ?0 ^Operations, Development, & d: E& d# d4 Gand Integration ; w* m! {. d0 v/ nLaboratory 2 M( n& h! l ]: @8 B(MODIL) An SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. . n3 {* W; J, W' ]4 S3 B$ YManufacturing $ q6 h5 k' @9 f) e, Y' \9 P! @) VTechnology # i( K9 F) v2 r/ o8 u4 y(MANTECH) Manufacturing technology refers to any action which has as its objective the timely establishment or improvement of the manufacturing processes, ) |( I* b/ f4 L, r% Stechniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific 9 Z: s! V0 K+ `3 \. _4 XDoD program in this area. MDA GLOSSARY, VER. 4.0 M 176 MAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. + }* W; E7 g& _MAP Minimum Acquisition Program. 9 u' X5 E- y5 Z* o8 f5 ^2 hMAR Monthly Assessment Report (BMDO/POC term). & t- x7 {2 i1 ^4 c2 {MARCO Marine Corps.

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Marine Air Command and % T8 d; V5 j7 OControl System ! y0 f* F- k! b; O0 @( y4 VA US Marine Corps tactical air command and control system that provides the ) _$ Z. Q ]$ u; H* Btactical air commander with the means to command, coordinate, and control all # X# z8 r/ m3 O6 w" X2 D Vair operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual through semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. 4 r# @7 F$ R f" h8 {MARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA - u7 T' S# e: HMARV Maneuverable Reentry Vehicle. 1 F( G! E" p( Z" D0 \) }MARVIS Mid-Apogee Reentry Vehicle Intercept System. & |- D( d) d# }* UMAS Mutual Assured Survival. . f# Z, X$ F% L: d$ xMASINT Measurement and Signature Intelligence. 6 G. y7 B4 j0 y+ s" KMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation Model (SSGM). c+ @; A1 U$ i: OMatching 4 l8 C: R6 i- v# }! ^Ballistic Reentry Vehicle (MBRV) ) O) ^' m# K. v$ S+ y( EFour reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. $ `( K! H8 m# ]+ LMatching Target Reentry Vehicle 9 R) s( h, }9 k9 r* I* U2 N! j1 @(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. Material Fielding Plan ) w+ I- {$ F3 ~5 i" ZPlan to ensure smooth transition of system from developer to user. $ y/ U/ y; Z L9 E* d7 R1 MMaterials Science The science of developing/altering and applying materials to obtain a resultant / I# n1 ~6 e/ w" xmolecular structure with desirable physical properties and performance . i2 u: s; g( U: D" Pcharacteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. $ \8 h. |1 e" { ~MDA GLOSSARY, VER. 4.0 M 177 7 N2 A$ E! {" b, [4 YMatra BAE Dynamics # n. y+ k. ^8 \6 jEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. 5 h+ z8 V2 f7 C5 mMATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. ' c) R' b. s- a+ G g4 H7 r" Z f) fMAX Maximum. 6 a9 C1 Z Q# t+ K' @3 @Maximum " X1 h9 F1 l) uAttrition Maximum attrition is employed in a target-rich environment to destroy the : h6 m( ]# }0 I# h- Qmaximum number of RVs, regardless of the type, by using all available or 1 I* X P- S0 W6 T& b- eallocated interceptors. This option may not satisfactorily defend specific or required assets. : C* f7 y6 m! n2 Y( T9 X% `" QMB Megabyte. 1 }+ W P. S, z1 CMBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. - P- d) c6 h |! Z) I2 aMbps Megabits per second. % f3 _4 b! f$ `( M/ |" p1 @8 O% gMBRV Maneuvering Ballistic Reentry Vehicle. 0 r0 C; f* x! V% W tMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS ! [' d: g/ T2 n& b$ J Oterm). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). # r1 A2 R( @" _- F9 S- fMCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. ' p1 \2 x4 `* R/ {MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. % @" `8 P6 N' d6 E. V* G) mMCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. MCE Mission Control Element. MCG Midcourse Guidance. ! @+ j) E: T2 j( `) gMCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). / }6 X* [, q* v; S8 ~MCM Multi-Chip Module. & _& Q/ L- I" o2 A2 ^MDA GLOSSARY, VER. 4.0 M 178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. ) {6 t( N9 y* N7 MMCP (1) Materiel Change Package (US Army term). 6 S, Z" Z, I" P- y. M9 c2 W(2) Military Construction Program. # H( W+ W8 x7 i% M3 C8 eMCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. ) o* f' ]: `" V/ S) E) JMCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. m4 L2 ?/ S" V$ z4 n# cMCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. , r/ {' U/ `8 D. t' aMCTL Militarily Critical Technologies List. ' ~8 S9 t" G# B* d8 D" F4 Z* b" bMCTR Missile Control Technology Regime. / A: U5 C' R0 t! }* ~. l0 n% lMCV Mission Capable Vehicle. 0 c1 E4 O8 v9 |. p$ EMD Missile Defense. ( V, s" \5 z3 d' sMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. # d0 K/ ~; z! ?- XMDAHWG Missile Defense Ad Hoc Working Group. * D8 E- _4 T9 F) oMDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. ! y' Y" y- \! t; n; m2 BMDBIC Missile Defense Barrel Integration Center. / B8 F3 ?: R4 n- f# NMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. 3 H; z& I5 ~& c- w3 X5 \MDCI Multi-Discipline Counterintelligence. 2 e% O# W ^1 U9 LMDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. 9 ?! v3 [( e2 o$ d' SMDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. ! W) _5 A* ^8 p1 _* w5 h(3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. ( s; a# f7 ^* k! V; jMDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). * z/ G. {. v6 U# s! nMDA GLOSSARY, VER. 4.0 M 179 MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). # P: T# m6 \1 F6 V3 ?MDW Mass Destruction Weapons. 3 [3 F) ^* G! [% j$ l, @3 p1 MME/VA Mission Essential/Vulnerable Area MEA Mission Effectiveness Analysis (JFACC term). 3 e+ `+ g5 U) {3 h3 ]& wMEADS See Medium Extended Air Defense System. Mean Time . S. d) u! N6 e8 zBetween Failures (MTBF) 5 |( \4 ^- N2 LA 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 & p0 Z6 L, S3 r5 }( Z4 I2 O, X, Wmeasurement interval. The definition holds for time, rounds, miles, events, or " h* l. |6 `" l2 n+ N9 y7 r% nother measures of unit life. MTBF is a basic measure of reliability. Mean Time To ( K3 v7 A1 o+ u5 i' T3 U9 MRepair (MTTR) 1 q( W. g8 {% Q K& F8 cThe total elapsed time for corrective maintenance divided by the total number of ! s/ M* @4 p8 D6 w: i- Acorrective maintenance actions during a given period of time. A basic measure of maintainability. Mean Time to % s, A0 H) G! L+ l, a9 |. rRestore System : T# z1 h) w/ ?) y(MTTRS) # L+ @& U X+ K# v" pA measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of 7 u" M# u) \- G( H0 }* g' P" wtime. (Excludes time for off-system maintenance and repair of detached ' c4 h7 G2 k* x- D" Tcomponents.) MEASAT Malaysia East Asia Satellite. Measure of ; W: x$ `2 D" U' sEffectiveness (MOE) The quantitative expression (sometimes modified by subjective judgment) of the 6 h! a4 y4 }; e4 s1 \success of a system in achieving a specified objective. " P4 n& v' f2 _9 zMEC Mission Essentially Code (ILS term). Medium Earth , n+ V+ `3 E; G% bOrbit (MEO) * B% a) }* Y4 f/ W" `- v. O( KSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, : j0 ? f* A/ B% Alonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes ; Y" q( K+ ^3 Y4 y" Kup to approximately 1 hour), and generally longer lifetimes. This region contains 9 e' \8 Q& u$ M+ tthe Van Allen radiation belts where electronic components need special : B$ w2 a, N* R. H- J8 zprotection. Medium 1 V/ D4 [: b* O0 A. K& \5 N1 g( MExtended Air Defense System : r5 \) L+ T! F' M(MEADS) + ~# |- s `* Z* {- d. K$ P& x0 {A lightweight, highly transportable, low-to-medium altitude air defense and ( X8 w6 C4 s2 \+ E4 Atheater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in 1995. Medium Power Lasers 0 E; [- ~9 r/ ]: @( v: A! l1 u% WLasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. 5 Q# |; D# }0 ]* @Medium Range Ballistic Missile (MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. 1 g8 z( K4 W- A3 T0 ^3 \) OMedium Wavelength / m; S! ?7 I% wInfrared (MWIR) ! {. {' R" s6 U b% T. \8 UThermal radiation emitted by a source in the electromagnetic spectrum / l. B4 k# ]( u' u2 Q/ Jencompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M 180 MEF Marine Expeditionary Force. ( S+ o3 J" T! f- j$ ZMEILSR Minimum Essential ILS Requirements (NSA term). & Z( m0 S# A8 aMEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. 5 \ t7 K8 [. aMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of Agreement (MOA) (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 / O8 k: Z1 ]7 N% V" H) v2 Rcost 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 8 ?: q6 s% T9 ^, Kadministered. Memorandum of Understanding & h9 O/ @; @3 f6 d& {; ?(MOU) Official agreements concluded between the NATO countries' defense ministries ( i, z; ?) K. t/ c) mbut ranking below government level international treaties. De facto, all partners 5 X0 M" a& J" o$ U7 Zgenerally recognize such agreements as binding even if no legal claim could be ) b4 g7 b5 |3 a9 N) T! C- ebased on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. Mercury Cadmium 3 R4 ~) q9 _: ETelluride (HCT) ! ]) r! p O0 x) v, d8 v8 AInfrared sensing material. , F5 a( @/ g4 U, ]! @MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. ) N5 b `( y+ gMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. 0 z, w( r$ Q$ {9 JMethods ( }3 _1 y! i% G1 K: t7 t9 AEngineering 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 ! n# R l3 m. m* Z7 W* Bthe quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, equipment, and working conditions; operator training; the determination of , w+ ^. t- f# D5 I* k+ ~, V* Astandard times; and occasionally devising and administering various incentive / |3 J8 Q! S! P/ Q, z1 X$ ~2 C' Jplans. 9 E% E' ^; S( B0 g8 n, ^. dMETO Minimum Effort Task Order. METOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. 3 T- f" ~2 y* d) J0 t' y* [( d7 F4 gMETOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software development process. % c8 H( b% L5 ?& r! m0 kMDA GLOSSARY, VER. 4.0 M 181 ! B* F: F0 s' I/ T3 ]& k# G2 M8 n4 hMetrology The science of measurement, including the development of measurement - c( O/ r7 S7 Y- B* D* O6 l) _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. ; S% S! t% O" G0 m# a; bMeV Million Electron Volts. $ G9 M4 s5 s, S' RMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. # P3 T. _- L# xMFEL Medical Free Electron Laser. ; J# B5 D" c2 yMFG Master Frequency Generator. MFL Multiple Folded Ladar. MFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. - K/ s/ a9 `4 }8 Y! XMFR Memorandum For Record. ; s: B5 d' M$ }3 i7 L- BMFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. MGMT Management. MGTS Mobile Ground Telemetry Station. : q5 @! R( W" f! ]5 J* aMHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. $ f1 x6 j1 W5 U4 m' ?MHV Miniature Homing Vehicle. mi Statue mile (5,280 feet). `# u+ R" Y' ~3 X$ `; T# I# [& ?MIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. - J: s! G) U7 x/ }MIDAS Missile Defense Alarm System (US). Mid-Course Defense Segment $ e. q2 D6 y3 O; U(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight + S6 C" R `% x& ebetween boost and atmospheric reentry. % ~: m+ T9 `' G# |$ S8 _- ^Midcourse Guidance ) q' X) l% U6 B# j- P8 E0 uThe guidance applied to a missile between termination of the boost phase and * z) E/ _6 W2 P3 s& Sthe start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M ( k7 {# o& |4 d/ h182 Midcourse (MC) Phase ) C- V6 D) v' D) H2 r! BThat 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 0 h2 N6 P( `4 r7 a: s! u8 F9 u3 bfalling freely along present trajectories in space. Midcourse Space * g; K. O8 G$ a; F$ q. E* [Experiment (MSX) Designed to provide demonstrations of midcourse acquisition and tracking from 2 B @" V& \' x% T! ~. p* }5 Lspace, technology integration of optics, focal plane arrays, signal processing, 1 b# k4 ^0 Z A0 h3 \" {etc., and collect background phenomenology measurements and target & b' F9 g) ?6 q& _* Bsignature measurements. Midgetman US ICBM. T0 W5 c$ Q# ^& [8 W- c; zMIDI Musical Instrument Digital Interface. z' W8 j0 W: h; d0 c+ A0 _MIDS Multi-Functional Information System (USN/NATO/Telecomm term). # t8 v* U4 ], u; n/ Q5 JMIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. / R7 L, J: {! `, QMIL Man-in-the-Loop. % B5 q% G' N+ v j% s+ YMIL-HDBK Military Handbook. MIL-STD Military Standard. : C* z9 @2 t4 XMILCON Military Construction. & G- i3 l. d* Y$ y- V7 C) I5 v8 ?Milestone Decision Authority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an acquisition program into the next phase. 4 z- d2 ]3 P. z8 j! VMilestones (MS) Major decision points that separate the phases of an acquisition program. Military Capability , S% ?+ E5 i; n: uThe ability to achieve a specified wartime objective (win a war or battle, destroy a target set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity ; e, Y" X) p- i) Jto achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary to support military effort.