航空缩略语词典

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Kinetic Kill ' o- @; a. F$ J$ Y1 k$ }$ BVehicle Integrated Technology u1 b4 B; F' d3 B5 {5 U& VExperiment + j! o0 j3 ]( ~ j/ B7 q1 h( o( P(KITE) - _' I) t1 {0 e- S) X+ cA series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. 2 W5 C0 |, c/ m/ T- D; E9 @$ SKL Kill Level. & N- T, U3 D! D9 L- [Km Kilometer. ' L) S. G$ D; f, Y+ x) D) \% k6 ^Km/h Kilometer per hour. / ]& U2 Q4 R' U6 E- |' T; _- Z" \Km/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. 6 W! L+ \& k: L/ v' M2 f- v* aKMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. KPP Key Performance Parameters. 4 R8 S' L3 W. s& ^MDA GLOSSARY, VER. 4.0 K , Z; H% D( c ~6 p4 x# D159 5 M1 ?2 ]% ^2 XKr Krypton. " x: b/ m( U2 B8 E0 a& Y0 yKREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. + Q/ L5 m/ Q9 ]& Z- z! qKt Kiloton. 9 {( `9 ] ?0 `# _2 |5 v! }9 r! BKTF Kauai Test Facility, Barking Sands, HI. : Y& g4 O3 N; W. w! L4 PKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. 3 ~& s' ?' t. |- _8 uKts Knots. , [3 f K, j1 ~KV Kill Vehicle. kw Kilowatt. ' B$ o9 S% W8 sKW Kinetic Warhead. % C; n H% J5 z) i* Z7 nMDA GLOSSARY, VER. 4.0 L 161 ' m, o9 \- n( W8 h+ ^* Y3 dL&TH Lethality and Target Hardening. ' P# s J& H! B1 Y! V; EL1SS Level 1 System Simulator. ; Q3 p. K8 k4 P& p) U- {% BL2SS Level 2 System Simulator - NTF. ; K7 Z. h. d- X+ zLAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. 8 W7 i5 s6 b$ N+ R/ ~3 ]2 sLABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner A. J" j# S3 s/ B) j' C- \LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched * G2 t' E7 Y7 ]4 s* U" u: {: CFebruary 1990 and turned off July 1993). LACM Land Attack Cruise Missile. LADAR Laser Detection and Ranging. ' z4 A, d3 j5 a5 \Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. Successive salvos of salvage-fused RVs attack. The detonations of one salvo " |1 Z& i* o; M) h9 Ldisable local ABM abilities so that following salvos are able to approach the target more closely before being, in turn, intercepted. Eventually, by repeating 2 j: n) g2 b5 K0 P# u" m0 [the process, the target is reached and destroyed. ( A" b) b. e3 g) |1 @' T. q0 }LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. , W2 V' s! C& v1 g5 y( P1 @3 }LAFB Langley AFB, VA. 2 c- t; \5 o+ B/ V$ a( d! |LAMP Large Advanced Mirror Program. o2 H7 d A& y* g- aLAN Local Area Network. + L9 K; _6 \0 F& ELandsat Land Satellite (NASA program’s satellite). & _4 m* z) o2 W" I* hLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. 0 r' ?) m# H+ h' oLAPL Lead Allowance Parts List (Navy term). " u2 G! T) Y( `LARC Langley Research Center, Hampton, VA. 1 H T5 Q8 S' ^- e/ xMDA GLOSSARY, VER. 4.0 L 162 Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct . p7 G& x! u4 H$ c+ Cand control high power beam weapons/systems with large coverage, or to / O4 Z! L+ e; C5 c$ _provide high resolution or high sensitivity for detection and/or imaging. $ A+ `2 x( |0 {LASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be 8 }( i9 W1 @2 a2 H! g3 Z1 o2 f, H& n# jused as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. LASE LIDAR Acquisition and Sizing Experiment. 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 % V7 }0 @! H4 m; I( w% yoptical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated 5 z$ u# z1 ?% p6 Y0 |Emission of Radiation and classified from Class I - Class IV according to its / I, S d7 ]' N/ k5 t& qpotential for causing damage to the eye. 7 d8 @! ]) N3 VLaser Designator A device that emits a beam of laser energy to mark a specific place or object. Laser Detection ) g' \4 Q3 f `7 j' t0 Mand Ranging (LADAR) A technique analogous to radar, but which uses laser light rather than radio or + m* g, Y* X2 C/ \: u9 Y. Q. [microwaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. Laser Guided $ D9 l! F& ^$ Y$ rWeapon % y% E$ n$ i7 F: \8 B+ IA weapon that uses a seeker to detect laser energy reflected from a laser & w$ d( p/ b/ U4 H6 tmarker/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 " H2 o$ ?2 W; l% LA technology whereby a laser beam can be used in a way similar to the use of a , V& E/ P d/ q% c6 m3 Fradar beam to produce a high-quality image of an object. Laser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2. ) F0 [: ^) C0 ]) q& y( Y' iLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected ' h4 F- a8 x- v2 Q, Dfrom a laser designated target and defines the direction of the target relative to 7 M8 i, z$ s7 m7 qthe receiver. See also laser guided weapon. Laser Target Designating ! ^3 V9 \( _( d( D9 ZSystem 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 + X$ }! t. d \control components necessary to acquire the target and direct the beam of the * r" ?( T. i1 O6 \ |laser energy thereon. 0 }! ], T/ N5 P% ALaser Tracker A device that locks on to the reflected energy from a laser marked/designated ( p5 y4 k4 E" u, @9 y; ]+ Hand defines the direction of the target relative to itself. M2 A" v4 q( sLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. # V, s+ m8 v* S7 k/ K3 ?5 xLASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) ( f0 M4 P" c' V7 a- S9 B% {& @Launch Detection Initial indication by any one of a variety of sensors that a booster has been # e9 ]- G8 \: ~: h: |; Mlaunched from some point on the surface of the earth, with initial characterization of the booster type. (USSPACECOM) . g2 M3 ]" h" i3 W/ M# {+ S% ALaunch Point Determination With computer methods, uses missile track observation to estimate the point on . P( Y% k$ W( y) I9 T1 vthe earth’s surface from which the missile was launched, expressed in terms of 6 T/ }, S [ `$ X4 B Ecircular error probable. Launch Under 0 Q. {7 k6 M# g* ~8 {. J# CAttack (LUA) % q9 ^3 x N0 D7 b+ f" KExecution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the , T: k; a& J4 a' `* x5 YUnited States and prior to first impact. Launch Verification 2 s- t, F5 a \& P) }- Z" ^Confirmation 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. 9 f9 E' t+ z7 Y- R3 H; H: OLayered Defense A defense that consists of several sets of weapons that operates at different 5 b$ | Y1 P% I$ A' v$ yphases in the trajectory of a ballistic missile. Thus, there could be a first layer 5 C" D- d2 @0 W(e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). ! Q0 V! u5 O: f" H* ~3 \8 B2 H* alb Pound. # H0 G1 q6 R. `- ?; \LBL Lawrence Berkeley Laboratory, Berkeley, CA. " o6 B9 O' e# p: }3 r0 kLBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. 5 b0 |( E, c2 u" wLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component `5 C1 K( [* v7 Q! Y( @Commander (JCS term). 8 \" v; t# M1 \( f2 \LCCS Life-Cycle Contractor Support. 5 k% j" z1 U2 T$ c9 YLCF Launch Control Facility. LCM (1) Life Cycle Management. % v# f* F r/ V4 R9 e# H) z(2) Lightweight Communications Module (USAF TelComms/Computer term). 5 s# R, U* ? w! E: m/ U! _0 ^LCN Logistics Control Number (ILS term). - m3 V3 G0 m' V% ?3 XLCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). 9 N) F0 T7 [/ ` }1 @. a* JLCS Laser Crosslink System. * a& Z: Y& W, P: P/ ILDC Less Developed Country. 0 g6 y9 S( M* u! Z( B7 q& L' `: wLDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited 0 W0 ?) Y1 L9 x$ H2 ]8 M1 BDefense System. MDA GLOSSARY, VER. 4.0 L 7 C. z& k8 N+ l164 + R& ?" v0 G1 l6 \ a1 H" aLE Lethality Enhancer (PAC-3). + Y: G/ |2 L3 X# b% v7 ~( Q: dLead Component/ Service The DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint + J+ A3 A; p j9 y7 M& P' Lprogram. LEAF Law Enforcement Access Field. 3 D' Q" T: q3 K# {Leakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. / E% J7 C! y1 u( CLeakage (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, permitted leakage is “budgeted” among individual BMD phases and functions. LEAP Lightweight Exoatmospheric Projectile. LEASAT Leased Satellite. & U9 @2 [; z, b1 v/ n4 t( m& RLeast Privilege This principle requires that each subject in a system be granted the most 3 a2 L( i0 a* z" o; ]# Zrestrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this privilege limits the damage that can " t6 V6 j' j$ r8 E8 Q Fresult from accident, error, or unauthorized use. 4 O9 l- _ o: S# |4 ~LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. + Y9 R. j/ O5 F4 v& H' rLEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. ! E/ @' c2 ]1 H2 r3 [LEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. , U0 Q9 W( Z7 _! QLELWS Low Energy Laser Weapon System. 0 \- ~6 v s, y" ^8 P x5 m7 kLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. Level of Effort 5 y* G! z% i! J) m4 O4 c(LOE) Effort of a general or supportive nature that does not produce definite end 3 c$ @6 e) f( @& s' {9 k" tproducts or results, e.g. contract man-hours. ) x, s f2 t1 V g) J6 [/ GLeverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This 8 U: H: k4 J) i, e! \5 Mcould provide a favorable cost-exchange ratio for the defense and would , }7 h9 ~' M R' W3 g+ o0 Jreduce stress on later tiers of the SDS. ' [. R& p% I3 D(2) In general, the power to act or influence to attain goals. + l$ `# {! Q: K) G; `# u: VLF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 165 LFIE Live Flight Integration Exercise. LFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. " v7 l: `5 R% \+ C3 u: D1 E* t* G" t% {LFT&E Live Fire Test and Evaluation. . P* t% m _. ]) lLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. ( Z1 g# B. b2 Q. G5 c/ b k! z(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). 7 o7 d( X: i8 G/ J h& zLHO Amphibious Assault Ship. 7 b) t2 y2 D7 w1 a. ^Li Lithium. LIC Low Intensity Conflict. 3 d- w, D( z1 B, \# c, j A; {! k& bLIDAR Light Detection and Ranging. + f3 v( \: K1 ^8 {1 ]Life Cycle (1) The total phases through which an item passes from the time it is initially developed until the time it is either consumed or disposed of as being excess to all known materiel requirements. 1 b$ k% }4 E' @6 i$ ^' O w1 W(2) (Software). All the states a software or software related product passes $ O0 h: N& |. C$ O& Sthrough from its inception until it is no longer useful. Life-Cycle Cost + e* n9 C9 k/ g7 P9 j& p(LCC) The total cost to the Government of acquisition and ownership of that system ' o% K/ \- a; F7 Aover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. * L# d; A3 G& ULife-Cycle Management ) `# o) m; | ^4 {9 HProcess for administering an automated information system or hardware support ; h8 r" d* {1 Z9 Y, J' l. Ssystem over its whole life, with emphasis on strengthening early decisions which shape costs and utility. Life-Cycle Model A framework containing the processes, activities, and tasks involved in the 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 ! U% a) l# U2 J1 d! e& jWeapon System # [ a1 b2 }% P# n, E1 ZAll phases of the system's life including research, development, test and X, A8 R+ |# U( v1 |$ sevaluation, production, deployment (inventory), operations and support, and disposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental protection functions. Light Detection and Ranging 7 i9 C1 _7 u2 b% l p( |: _(LIDAR) ( o" H9 Y7 q* s# h( dA precision probing instrument used to measure concentrations of different # ]9 o L$ Q% G& S$ jgasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little : u1 b9 I- W# `8 J2 l" Woff-load penalty. ( [7 l- k1 ^) B8 [LIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L ) h5 d( e( x! J9 w0 ^: I5 k; K4 V166 [- ]% u* _) t6 B m; gLimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is & ` `% A/ D& Y9 lgeographically distinct. Not an all-out attack or mass wave. M3 i' k( h: P4 k2 S6 zLimited Defense System (LDS) $ h( U: ?9 n2 ]( H0 e0 d( WThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the " [- e* s' k# L3 S3 eUnited States against limited ballistic missile threats, including accidental or ! ]( \$ |8 w" wunauthorized launches or Third World attacks, but below a threshold that would 1 k5 v* Y- T8 N5 Y o4 L9 kbring into question strategic stability. " G; {& C/ N/ c, n8 w# n1 }" m8 pLimited 2 D8 ^! O" p+ C% nOperational Capability (LOC) % [5 y4 i9 N. p1 C9 W+ {A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. Limited 0 k9 |& ~: s) I6 O: hProduction 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, : v) Z9 w1 ?& @$ P+ `+ s( @manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty The bilateral Treaty signed and ratified by the United States and the (former) 1 C6 m E; c2 Q: x; gU.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause 4 f' H8 z% V- `5 c* Rradioactive debris to be present outside the territorial limits of the state under . r) e) W; z. E( y% X& y$ uwhose jurisdiction or control the test would be conducted. LIN Line Item Number. Linac Linear Accelerator. ) o" y$ Y2 }' F- S6 ~Line Item 1 G! b3 e) m: l5 C. ](Budget) A specific program end item with its own identity (e.g., B-1B Bomber). 8 s. E/ n& w% n8 \6 |( X7 GLine of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. 9 @8 K3 s( `, u5 @4 w$ sLine Replaceable 8 x! m! ?* f7 r1 `8 ZUnit (LRU) An essential support item removed and replaced at field level to restore end item , U( K3 \$ `3 i* u6 D: o" @to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). 2 n3 t. S% O9 A) g* ELink-16 TADIL-J. ; H5 V3 l3 y4 q+ _ SLink Quality Evaluation 6 S. }( ?. `9 f0 o% i6 A4 tThis testing of links to create bit error estimates and monitors natural or induced ; B, n6 T' j+ f0 `link interference. LIP Lethality Improvement Plan. & G8 I5 Q' x5 C( jLiquid Fuel 1 Z) d0 L3 w# ]5 [# [+ J7 VBooster (LFB) Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. LITINT Literature Intelligence. 5 l# n$ y) q9 e- O+ iMDA GLOSSARY, VER. 4.0 L # w" c+ ?+ z; p) M( l8 R" f2 j* p167 Live Fire Test And Evaluation ( U( b' e7 A" Q! x5 K(LFT&E) Survivability testing and lethality testing required before full-scale production. 1 _' C5 u) W9 p2 v7 a1 @/ PMust be conducted on ACAT I and II programs for: (a) A covered system (a % [: L1 D6 \8 i+ rconventional weapon system designed to provide some degree of protection to & i# p! O$ R @! b2 J' Sthe 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). + C0 [0 Q6 b9 WLL (1) Lincoln Laboratory, Lexington, MA. . s( n. h, c E o, ^; ~& R(2) Legislative Liaison. " N C" B; M" j' ]LLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. 8 ?2 s3 v6 p1 S* P: [# @LLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. 8 ?4 i" c' Q+ S& |8 \(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. ( ~6 g, `0 o: x8 G# Q- sLMA Lockheed Martin Astronautics, a defense industry contractor. , s- m7 S, J- a' oLMANS Lockheed Martin Aeronautic and Naval Systems. 5 F* w( u8 F I2 D$ |; MLMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. C4 `. H7 F: p' q! N4 lLNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). ; }3 v( y& |2 HLNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). . X3 `( W: o; K1 `$ G* I7 Z(2) Low Observables (LODE-related term). # W( w1 u9 }; L6 _# E A8 ^LOA Letter of Agreement. 1 {& p. ]1 Z$ D( H0 x0 tLOAD Low Altitude Defense. LOC (1) Lines of Communication. (2) Lines of Code. (3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L 168 LOCAAS Low Cost Autonomous Attack System (USAF term). Local & J2 F+ B) [3 D# [Assessment of Engagement c! b" J9 I- w/ C. q1 {3 l0 i: [The assessment of an engagement by high-resolution fire control sensors. 2 k" Y: D3 s1 ]: Z( Z9 oLocal Environment The ISTC Local Environment contained within each node simulates the element to the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element 7 a* M1 _: K1 u. M3 Q' ZProcessor or Element Processor Emulation. + f4 L+ g" i& T6 U+ ZLock On Signifies that a tracking or target-seeking system is continuously and automatically tracking a target in one or more coordinates (e.g., range, bearing, elevation). 2 D7 J6 ], P9 tLODE Laser Optics Demonstration Experiment. - j- [8 ?& Z) Q( X# E8 E; x5 YLODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). . g0 y5 P) @$ K. r( kLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. LOG Logistics. $ c a" X, w* o; ]7 DLOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. & u. G3 l& [3 ?6 a" M3 `- u$ hLOGFAC Logistics Feasibility Analysis Capability. - l" [/ Q3 f- Z* g% t, `8 k( D9 lLOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of ( x( W' F% q4 w' n4 pforces. In its most comprehensive sense, it includes those aspects of military ! {! F% }* T6 ^2 hoperations which deal with: (1) design and development, acquisition, storage, movement, distribution, maintenance, evacuation, and disposition of materials; , x) G+ d5 l) A3 X(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or construction, maintenance, operation, and disposition of facilities; and (4) ; r1 P) F0 }, O* C2 Yacquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a " I2 Z- o( {' ~7 K$ ^( Jsystem in the force. 3 t; @! U/ e' D% HLogistics Supportability The degree to which planned logistics support (including test, measurement, and 7 Y/ g5 ^' B. ?* \diagnostic equipment; spares and repair parts; technical data; support facilities; ( x, h: V) ~& Y7 B5 Xtransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. / h/ t3 g- h" ~4 U- ^6 \3 R" ?7 ]/ UMDA GLOSSARY, VER. 4.0 L 0 i. T1 ~" m! W9 p7 A169 : ?. [( ^" j8 v( B- xLogistics 3 q9 i% x4 ]# W+ d. c& d7 w/ oSupport Analysis (LSA) The selective application of scientific and engineering efforts undertaken during ) G# P+ t9 `: t( c; vthe acquisition process, as part of the systems engineering process, to assist in: A3 ]8 O$ B! |0 p# o; _3 t; R) Jcausing support considerations to influence design; defining support 5 d3 U/ G, t& b( ~7 Z3 P/ krequirements that are related optimally to design and to each other; acquiring . S) K9 U8 a: C+ Ithe required support; and providing the required support during the operational phase at minimum cost. Logistics Support Analysis Record 4 C1 ~' R! Z+ @6 ?# s; D(LSAR) % V& a) b8 K; k; uA formal tool under MIL-STD 1388-2A that uses records/forms to document : \( M4 a: e. k+ Z4 poperations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, ! t& I P) b) g9 |/ u1 qand transportability. LSAR is the basis for training, personnel, supply 7 z& m, f) {& T1 Dprovisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. # _7 s2 X, {+ A, LLOGPLAN Logistics Plan. % K1 [/ ?- ^/ O( u" `: K% q, lLOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. Long Lead Items 0 {/ w9 J( w% w# XLong Range Air 2 E7 v/ Q) c7 Y, S) c- `- p OLaunched Target 9 @- L# h! }/ L* P/ W(LRALT) Those components of a system for which the times to design and fabricate are : X, c, U+ {8 j3 X8 B# r2 P1 C+ \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. ) k+ _9 [, l4 P8 C/ G- S% mTwo-stage, air launched ballistic missile target being developed for MBRV-4. Long Wavelength . ?% x }8 K! x: K% a: iInfrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. % [- k4 t; ~* F) ^2 ]8 pLOR Level of Repair Analysis (ILS term). & d1 ^( R5 u2 u" M$ f5 eLORA Level of Repair Analysis (ILS term). LOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude ( \9 `- _, U1 f- GDemonstration 4 T( \- j: \ t: BSystem (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program phase. The LADS will consist of a flight experiment and extensive ground . X3 ]* x$ D+ j) O7 |+ Fdemonstrations by Boeing North American. The LADS flight experiment will be % E+ i- X o, D: Alaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low # q: v, F5 A/ ^( q; [' r' Uconcept and collect phenomenology data. Low Earth Orbit 9 D* f* p( T3 b" G; [# E(LEO) . }, F% M+ b) iThese satellites are at altitudes between 100 and 400 nautical miles. They 3 w9 j3 ]# t- l! }( jhave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 minutes up to 10 minutes over a tracking station), short life spans, and are most ) T( k* c, \3 f& ~% t5 psubject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low Endoatmosphere ' I7 m2 t& Z+ g' J, N1 K. C* I/ gThat portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 Low-Rate Initial Production (LRIP) / P2 q% Z6 i( s7 f1 b, A2 SThe 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 6 ?' }* V7 f; sorderly 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. * J u. t1 F8 C0 o H# NLPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. 1 J: _' D# D1 p) g! I3 b z' uLPI Low Probability of Intercept. 8 z. z# S e1 ^6 F& `! ^LPS Limited Protection System. K9 H# J$ R; ^$ I# `! n ?LR Long Range. 9 D; S. d7 g0 KLRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. , W* H. S1 P' |4 Q7 w) HLRB Liquid Rocket Booster. ' T, a' p: g; i- @" H lLRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. 6 Z! s# H" D4 a* i( \LREP Light Replicas. LRF Laser Range Finder. 0 C$ j# `/ i, o5 s' W) T+ X/ RLRINF Longer Range Intermediate Nuclear Forces. LRIP See Low-Rate Initial Production. 6 M0 A' b$ L; v) }LRIP-OT Low Rate Initial Production – Operational Testing. # _' X/ ]+ F, J: B7 dLRTBM Long Range TBM. ( p/ X6 [3 g* ?% v' X- `- RLRTNF Long-range Theater Nuclear Force. - D9 a1 F/ X. |& D! ]LRU (1) Line Replaceable Units. (2) Line Replacement Units. 8 z9 O3 ?* [7 v: i5 PLS Launching Stations (PATRIOT). LSA Logistics Support Analysis. 0 c" a, ?7 U/ [LSAP Logistics Support Analysis Program. 1 [# _! r) C, N$ Y, VLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). LSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L j: I2 W8 j1 I4 c) V171 ( i( v. L3 ~; b! X# n5 iLSAWG LSA Working Group. 4 X: m" @! B$ ]; d: DLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). 5 o, y! f: l7 I( \2 Z' FLSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. LSTS Launcher Station Test Site. 4 O1 Z+ S1 f" e# ?1 T) eLTA Lead Time Analysis. , M4 M% W" R6 W/ Z; n" K, H' P' FLTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor " l9 I) K `7 ?- a$ ]LTV Launch Test Vehicle. LU Launch and Update. . c% c. w8 T/ z4 u9 c2 ^; G% aLUA Launch Under Attack. 1 n' A8 b9 g, y! Y l$ T! O5 eLUP Limited U.S. Protection. & |8 L. z- e' _. d, h( T/ ~' SLUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. LVT Low Volume Terminal (USN/NATO/Telecomm term). 1 v2 [* t5 V5 v; g8 k# zLW Laser Weapons. + _$ ?5 o* }1 T3 g! h) fLWAN Local Wide Area Net. LWIR 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 173 7 T* ?/ O7 H& H6 K' O/ W+ l9 {m (1) Meter. (2) Minute. 9 E$ H( c! `0 U+ vM (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. ) m8 E8 C0 B1 y m, O. mM&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. 9 e: r1 v: I; T! t4 J1 eM-T-M Model – Test – Model. 6 Z3 W$ k* Q* H0 yM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. " H+ X0 Q5 u" N, v3 ~% X5 xMAA Mission Area Analysis. MAAG Military Assistance Advisory Group. ' P# t3 D% H4 m! T% |MAB Missile Assembly Building. 7 r7 s# m/ }1 I T5 O$ wMAC (1) OBSOLETE. Military Airlift Command. See AMC. X1 h3 w8 u1 _" N" B7 r' K(2) Maintenance Allocation Chart. 5 K1 G. D- z3 k6 AMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. ( I/ `" ]) Q) M* {. tMACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. 2 ]( z7 U9 Y' t1 NMADS Modified Air Defense System. ) I/ r# I4 v! z& V) FMAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. 7 z1 B- l1 I, _* b1 AMain Beam The primary directional EMR emitted from radar transmitters. Maintainer An individual responsible for retaining the major defense system in or restoring it & {$ r# K& ]2 g1 Mto a specified condition. Maintenance activities include inspection, testing, servicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance Concept/Plan A description of maintenance considerations and constraints for , f& { f; h% l J# c7 nsystem/equipment under development. A preliminary maintenance concept is developed and submitted as part of the preliminary system operational concept for each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in ! k ~' M0 o2 q' H1 Qdesign of the system/equipment and support planned for it. / x. s' v8 `6 P3 iMDA GLOSSARY, VER. 4.0 M 174 Maintenance ; D5 }4 \% F3 A' F7 @( v+ FOperations 7 g) Z9 ^/ L$ K, S1 r/ e4 {The corrective and preventive maintenance operations that do not require a + ?9 q8 [+ @: x: @# U j! d+ Zdeployment decision; it includes correction and subsequent validation testing * `0 _7 z1 Q, gand the update of relevant status configuration, maintenance, and inventory $ ]7 ]( q, Y: _8 u4 p' fdatabases. / Y7 l, F7 Q1 _% [9 Y, A0 eMaintenance Planning The process conducted to evolve and establish maintenance concepts and 2 M& T: I1 D& @requirements for the lifetime of a material system; one of the principal elements of ILS. MAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council ( y8 t% v5 b) h) E3 {/ qMAJCOM Major Command (USAF). 9 W8 z& q; v7 C! `* X& u% r0 GMajor Automated 8 J Z+ ~% T6 K [- m/ GInformation / C8 \& Y1 N4 C/ C: ?# zSystem Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by 0 \" L4 U% s* F1 fthe Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense 0 p$ E5 ^9 g: @Acquisition + I$ t0 F( }& q; Q* H0 N! bProgram 3 r5 |) a# {8 }5 SAn acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or 3 {: k2 f2 p* l9 H0 Q: L1 J* O2. Estimated by the Under Secretary of Defense for Acquisition and Technology 4 y/ h* D7 h$ g, Rto require: ! ?. U+ I# `# W) Y: F' @6 j8 Ra) An eventual total expenditure for research, development, test, and " A% h$ N4 v+ E" levaluation of more than $200 million in fiscal year 1980 constant ) F5 W( M6 R# J/ ~% o( Fdollars (approximately $300 million in fiscal year 1990 constant / b- f0 ]( f" C. xdollars), or + ]$ x) V+ b6 X, H5 @ ub) An eventual total expenditure for procurement of more than $1 billion & [8 I3 I" a6 u4 G6 D1 j7 G* m" pin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal 8 j3 P% N- R( A; Jyear 1990 constant dollars). Major 0 `# ^& v2 C! U) Z5 s- PModification A modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. / G' E q4 a4 Q7 tUpgrades are part of the Milestone 0 decision process. 8 @- r P9 N- a' m: u- L4 l7 hMajor System A combination of elements that will function together to produce the capabilities required to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real ; C* ^: g3 i. }( i, pproperty. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: ! B. |1 T' ]; i. v; t5 D" I$ @1. An eventual total expenditure for research, development, test, and ' A/ }$ g; g5 @( f+ e+ N! levaluation of more than $75,000,000 in fiscal year 1980 constant dollars 1 _% K" k1 e- T7 ~(approximately $115,000,000 in fiscal year 1990 constant dollars), or & E! @" D. F+ q5 {+ ?; F2. An eventual total expenditure for procurement of more than $300,000,000 in ( P9 N, R- `. w/ yfiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year & \( v! K8 u) o/ j7 n; @5 ^: ^1990 constant dollars). MAM Maintenance Assist Modules. 1 E1 x# d( s( M' R8 z' {5 R: FMAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 175 6 {% `# _( A8 S* i) H3 P6 A8 [% gMandatory Access Control A means of restricting access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal / r7 U3 g; P3 V e! O; s# R8 ~7 eauthorization of subjects to access information of such sensitivity. 1 Q; j" P& T' F& e' L9 M5 }3 ]* SManeuverable ) ]* y o, o) M- a. w# QReentry Vehicle 1 I5 P: i4 D# V9 h. q9 z(MARV) & R- f( ]0 ]! a! aA reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces 6 }& V, x* \ @5 twhen they enter the atmosphere, allowing them to turn and dodge rather than fall ballistically. They have no ability to maneuver in space. # l4 [! L8 t+ s9 Q6 iMANPER Manpower and Personnel ILS term). ; Y5 Q. d" }+ I% [' L6 x! i" ^) LManpower 8 L9 O2 c9 x% Y }: ` S! @) A0 AAuthorizations 5 v, o' P8 K8 _: fThe billets in the manpower requirements structure that are planned to be filled. 2 c' c2 \- z9 \$ I8 vManpower / V7 T9 I: g) W* `+ n" fEstimate Report (MER) / _. _ `: _" F2 P+ u& AAn estimate of the number of personnel who will operate, maintain, support, and " B% `3 x& l" _# {8 `train for the acquisition upon full operational deployment. The Services prepared ; }4 U. R7 y( p. w% Rthe estimates, and the SECDEF submits them to Congress 30 days prior to approval for EMD or production. 6 O: z6 I9 |5 r Z/ F. FManpower, Personnel, Training, and Safety (MPTS) ( x" q# g3 X5 ]6 ?& J/ }+ rThe human dimension of the complete defense weapon system. The term # F. f& }- p5 @MPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. Manpower, 4 ]/ S; e* X. F# G A6 _3 m: |' OPersonnel, Training, and 4 I5 N( ~5 v& g0 lSafety (MPTS) ; G( C4 X7 h0 |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 - p' q- g L! Hand categorizations of occupations, aptitudes, individual skills and " E, [8 G+ `7 sdemographics, training system characteristics and components, potential system hazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). ) U2 \. C1 }- BMANTECH Manufacturing Technology. Manufacturing (or / w4 A/ x. c: z9 {Production) Engineering 5 E( m* k! `3 g7 P, yPre-production planning and operation analysis applied to specific product designs. The functions of planning, specifying, and coordinating the application of required factory resources including: performing analyses of production operations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and employing cost control and quality techniques from the factory viewpoint. Manufacturing Operations, 7 H* t1 q# r0 d0 ~' K c5 c9 SDevelopment, and Integration * H4 B& h0 Q2 ?/ q- g) T( {& a2 G* HLaboratory ) u& w% g& F7 o. Q( m(MODIL) An SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. C+ x: x! C: y- d) n& TManufacturing 5 W7 v- Y) B/ l9 ], RTechnology : Z) y2 P5 m% A+ n! m7 N(MANTECH) Manufacturing technology refers to any action which has as its objective the timely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, ; L; s d# b8 N* \# ]# xand the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific DoD program in this area. ! q9 W% J- B; U; ^+ ]MDA GLOSSARY, VER. 4.0 M 7 d. R! D W7 d- T8 H0 P5 @7 J5 P176 ; g1 I2 E. k& S cMAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. + U4 b- V5 r3 zMAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air / c! u- Q, h$ e& S8 ~' B$ ]Command and $ ~$ W' |& [: [ d* L% xControl System 1 a$ P6 p4 k9 E8 H( W7 SA US Marine Corps tactical air command and control system that provides the a: f9 r. x5 U, A* F7 @tactical 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 ! n0 z- B8 G' d2 q, N6 p; zcommunications-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 & X/ j3 q& d' P* W9 o! f' Iby congressional committees. MARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA ) I: d* \: B" K* R" ]" r& VMARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. $ ]3 n/ H# |+ D r/ R: T. FMASINT Measurement and Signature Intelligence. MASPAR 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). e% p% A' s. W$ fMatching ) d& l; U5 f/ U1 F4 p' S2 XBallistic Reentry 6 Y4 [: g+ o5 NVehicle (MBRV) / Z; Z% m$ v) [5 ^$ d8 L9 t% D2 ZFour reentry vehicle designs (MBRV 1-4) developed to serve as threat ; _3 E5 |2 p3 E* q& x/ urepresentative theater targets. " t8 D3 ~- s/ f1 yMatching Target Reentry Vehicle (MTRV) 9 L o4 d- S, O( o+ o: I0 pThreat representative reentry vehicle developed for GMD Program by Sandia 1 U2 [1 u" }) T9 h. U: U) Y$ i8 @ {1 oLabs. Planned for use on IFT 9-14. Material Fielding Plan ) j) d: O/ Q7 l1 wPlan to ensure smooth transition of system from developer to user. Materials $ x7 m9 f: y* S6 \) O0 R3 u; IScience The science of developing/altering and applying materials to obtain a resultant : J! d2 b7 u2 w1 | k1 amolecular structure with desirable physical properties and performance & z, F- m& _) u0 |' ocharacteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. 4 s/ I, J1 f z' l" G* }2 W6 QMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 0 {2 ?# M, G0 A6 e* n$ GMDA GLOSSARY, VER. 4.0 M 177 Matra BAE Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. 7 J! t* T- H n' CMATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. MAX Maximum. Maximum Attrition 3 v' `, W3 R, R$ F+ l1 ^8 F' j* CMaximum attrition is employed in a target-rich environment to destroy the + f3 I. r0 E/ |5 i, P! h8 n1 B, y- `$ [. Smaximum number of RVs, regardless of the type, by using all available or " }; e# W- I& {9 J8 }7 Nallocated interceptors. This option may not satisfactorily defend specific or required assets. MB Megabyte. - i8 V* q6 E) A3 y: Y( kMBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. ) L" n& Z* t. k A, R( }9 yMBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. , k% E2 `5 P6 n: CMBRV Maneuvering Ballistic Reentry Vehicle. % U1 ~ v& W' `$ kMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS term). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. & A/ G! {3 k9 [' V8 \* xMCCC Mobile Consolidated Command Center. ( N- x! j' h8 t# ~8 c% ~' HMCCDC Marine Corps Combat Development Center. x, [. D2 W" k OMCCR Mission Critical Computer Resources. MCE Mission Control Element. MCG Midcourse Guidance. ; R4 m9 `7 U' i7 x1 O! oMCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). MCM Multi-Chip Module. ) t% x% J& M I/ Z* g; @ U, ?MDA GLOSSARY, VER. 4.0 M M+ m5 {8 N$ d4 o178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). * n* f7 R( n" w D5 L& V7 g: B(2) Military Construction Program. ! o/ N: L& B7 B8 Q) ~MCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). 8 v e& P& \1 `4 j" e3 W5 GMCTE Mission, Course of Action, Task, and Element Control Directives. " J- w* C; [% y+ jMCTL Militarily Critical Technologies List. M$ W \4 @ d) d. v1 V" ^MCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. * I. P8 {9 b! H4 c+ PMD Missile Defense. 8 O a- S7 \5 O" fMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision * i9 }- Q' x$ d# Y1 d1 _Authority. (4) McDonnell-Douglas Aerospace. ! f1 E, n. b' w) L/ R* sMDAHWG Missile Defense Ad Hoc Working Group. 0 @& l' ~* V4 H$ @: e- ?MDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. 3 V/ ^5 J) r: q* a! MMDBIC Missile Defense Barrel Integration Center. MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. * m: E0 T O; ]" ]MDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. (3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. & K {+ D. ?# n4 x& S2 TMDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. " G4 q' b! N# f0 D. B# \MDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M & U" } J8 m# W6 O+ n2 f. `179 MDTOR Mean Downtime for Other Reasons (ILS term). 4 _6 I3 ~' u* j; E, ~/ X) C9 }& uMDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. ' A4 ^4 J" W+ x: O: s0 v8 |ME/VA Mission Essential/Vulnerable Area 5 ]3 z# j4 G* L& t- PMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. H `) a( V0 c- ]. U4 iMean Time Between Failures + b: ~8 R- `' q1 _(MTBF) A measure of the reliability of an item. Defined as the total functioning life of an 5 a8 w' p- Z5 ?6 S- fitem divided by the total number of failures within the population during the measurement interval. The definition holds for time, rounds, miles, events, or : C9 j) r( g6 m7 M& e9 t3 qother measures of unit life. MTBF is a basic measure of reliability. Mean Time To Repair (MTTR) ) C' s; h- Y) T! d: @; G1 ^The total elapsed time for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. A basic measure ' a9 ^1 @( k) s' Gof maintainability. 4 g! Q0 z1 Z" Q$ W L. sMean Time to $ s, v5 {1 }) C- ]5 x$ qRestore System 4 X8 h0 _; J+ |1 K/ s9 H9 a. ?6 K(MTTRS) ; S% v0 w6 b9 A9 {) Q* u8 N( ^3 ?A measure of the system maintainability parameter related to availability and 2 i$ g0 X- l5 k* ^readiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of time. (Excludes time for off-system maintenance and repair of detached components.) MEASAT Malaysia East Asia Satellite. 4 u, t* U: R1 VMeasure of Effectiveness 2 o) X0 f+ R+ @- |9 l(MOE) : W& V# m. D4 d' ~# W9 p( v: L- ?The quantitative expression (sometimes modified by subjective judgment) of the * T4 k- X$ h. m7 F$ }success of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth Orbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, longer duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes o% j% O1 n; o8 s$ Fup to approximately 1 hour), and generally longer lifetimes. This region contains ]; u W! K2 Othe Van Allen radiation belts where electronic components need special protection. Medium Extended Air Defense System (MEADS) % @5 u6 ^+ H% E: j7 \# H, R, [1 L+ q! oA lightweight, highly transportable, low-to-medium altitude air defense and 2 \/ T4 {/ H! ]6 K3 X) ~5 Xtheater missile defense system designed to protect critical fixed and 7 D: u( L3 t: X, L# amaneuverable corps assets. MEADS superseded the Corps SAM program in 1995. 1 U, N) ?# |& f! Y$ t4 g* eMedium Power Lasers + l" Z6 k# s1 |- v; T1 C# ~Lasers that radiate power less than 1 MW, normally used to detect, identify, 2 _. j7 Y1 e$ [8 j/ j+ k# C: wtrack, and designate a target vehicle. % Q" z+ b6 _8 EMedium Range ' L9 [) Q& _4 K6 VBallistic Missile " M9 }; [) ?- t& d* l b+ D% p(MRBM) ) ]/ P9 x/ l! r$ qA ballistic missile with a range from about 600 to 1,500 nautical miles. `# ]# [' c& Y( L, \$ HMedium Wavelength * f7 |: O% Q# M B9 X, {4 RInfrared (MWIR) 1 x/ S3 M" d, ^# `Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M / y: s* P7 l3 b5 p7 ]: J9 V180 2 M/ n! ? p' N( V8 N$ nMEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (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 & [7 y' t$ f8 D: X5 w8 c, |6 C; qresponsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other & {+ c O9 a0 O4 Q g6 `# Mcontract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be ! @. x1 i& T6 Z% [- l; L& U6 D! madministered. 8 W2 f1 ~# W! XMemorandum of Understanding (MOU) Official agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners . z" T! c3 P' \/ `6 _8 Qgenerally recognize such agreements as binding even if no legal claim could be based on the rights and obligations laid down in them. MEO Medium Earth Orbit. + Z) _* d+ ~( EMER Manpower Estimate Report. 4 P5 I0 z1 l6 Q- O- E5 i* NMercury 7 T3 i1 x6 `+ l; r' h4 N7 Q) A' aCadmium ; R5 ` s! q2 N, u; Y0 r W& c/ ZTelluride (HCT) Infrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). & n, @$ i* R O7 QMESFET Metal Schottky-Gate Field Effect Transistor. ) l) X) J4 r5 fMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. 4 [* D" I% M' k' @; k; z$ FMethods Engineering 1 W3 Z8 V: R1 d3 F( mThe technique that subjects each operation of a given piece of work to close $ D+ G$ W) {8 O9 M* k- Janalysis to eliminate every unnecessary element or operation and to approach 5 z9 U h0 G1 Z8 u- D6 {the 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 standard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. * p0 c8 t$ L& zMETOIA Minimum Effort Task Order Impact Assessment. 1 u8 }- c& p f# Y0 l" yMETOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software development process. & e6 K) n% C# M* [+ D2 M$ MMDA GLOSSARY, VER. 4.0 M 0 ^9 P/ H0 z& K; G4 p181 . e l! c7 m- r3 W$ r+ {1 mMetrology The science of measurement, including the development of measurement 4 }% C' K/ P) j$ e, Vstandards and systems for absolute and relative measurement. Used to . h5 k4 v* Y z( l3 J4 }determine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. MeV Million Electron Volts. 7 j# j9 p) p0 x5 s' U: EMEZ Missile Engagement Zone. , B7 [' o; P5 o* vMFAR Modular Multifunction Phased Array Radar. & A% \3 `' s. \/ r9 q; s w& Y" jMFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. ) U( ~ W' v8 g2 h) {6 IMFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. + a% a! ?2 }. x: SMFR Memorandum For Record. MFS MFS Communications Company, Incorporated. , a2 @3 s7 ~ Q) N8 G qMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. ! K2 L5 e3 f' L! |- B2 X2 `MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. : [) w$ k9 T4 l, T5 zMGMT Management. ( v% S, B% x1 i4 C" w: }MGTS Mobile Ground Telemetry Station. % T9 n- k, O4 OMHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. 5 L$ j! X2 i/ t9 A4 ZMHV Miniature Homing Vehicle. mi Statue mile (5,280 feet). MIC Management Information Center (MDA). / b+ L. c$ K" L w/ x+ rMICOM U.S. Army Missile Command, Redstone Arsenal, AL. ) ?0 R6 F) E6 o& [, q) H: `3 x! h- bMIDAS Missile Defense Alarm System (US). Mid-Course Defense Segment , |2 j8 |6 K- s( V0 H2 {& }, w. P(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. Midcourse 3 W( V8 f' z( o. y( D# M4 ^. w* S8 mGuidance The guidance applied to a missile between termination of the boost phase and 0 C5 }- t1 I6 p3 L: wthe start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M , c9 x% `* H) Z6 c182 . @! e4 P q# O2 T2 Z7 y YMidcourse (MC) Phase . m+ x& x! p2 DThat portion of a ballistic missile's trajectory between the boost phase and the " _: x& }% S* W8 v, O# ureentry 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 ) w8 y) @, f) s; Ofalling freely along present trajectories in space. Midcourse Space Experiment (MSX) " L1 E `: D6 nDesigned to provide demonstrations of midcourse acquisition and tracking from 2 s" Y" L; h" A' ], G) Xspace, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target signature measurements. 9 \/ x, Y/ k/ F3 V: gMidgetman US ICBM. MIDI Musical Instrument Digital Interface. 7 E; Q: ]: `$ [/ Z2 O+ k1 zMIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. * ^; H% v8 |% D! R! XMIJI Meaconing, Intrusion, Jamming, and Interference. ; y* }: D" F8 e5 ZMIL Man-in-the-Loop. , R! K y- s# r7 o; {; NMIL-HDBK Military Handbook. MIL-STD Military Standard. + x, U& _- w4 w- |$ g& {MILCON Military Construction. Milestone Decision + O o; ^ J/ XAuthority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an ( J2 o6 N. ?4 L4 ^acquisition program into the next phase. Milestones (MS) Major decision points that separate the phases of an acquisition program. * N, E- Q, i# s; P' U: uMilitary Capability ; G# ]- U) ^4 x8 rThe 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, ; v" S( L A" G1 @8 O! l, ssize 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 ) U8 }8 x/ ~: f. u2 nequipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity 5 T1 i0 d6 U$ T0 Z1 p2 Ito 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.