航空缩略语词典

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Kinetic Kill - h$ T9 ^4 \5 ~4 yVehicle Integrated ) ~2 f; P0 q' R! P/ I8 c! J) iTechnology 1 V/ h6 `* t9 M( V; h, EExperiment (KITE) A series of test flights at WSMR to demonstrate HEDI technologies. $ D; ]3 k4 A0 q: {9 V& c* |8 `KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. ( F9 L& f( q2 |3 o! @; L4 eKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. 5 X& O9 F1 b7 U" ^! LKm Kilometer. Km/h Kilometer per hour. 6 {0 f y+ i0 z9 r1 cKm/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. 4 |! Q) o) v! VKMRSS Kwajelein Missile Range Safety System. 8 r2 D- Z. J8 Z9 L# j& g; N* \KPP Key Performance Parameters. # `$ w1 C+ V9 W- `MDA GLOSSARY, VER. 4.0 K 159 Kr Krypton. - s( B: N" W2 `- R) ]2 Z, BKREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. 3 Y& o2 F) r5 o: bKt Kiloton. 6 w9 Z6 W5 }+ _5 {6 oKTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. KV Kill Vehicle. kw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 L&TH Lethality and Target Hardening. - R7 g6 `: q& u" Z8 S2 }5 G4 ^' FL1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. 0 A, v @* P( e/ oLAA Limited Access Area. 4 U `1 c# G$ F/ k x3 K2 z+ pLAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. : }$ J' p: i" T( f' VLABP Look Ahead Battle Planner LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). 1 f0 U$ Y; H9 RLACM Land Attack Cruise Missile. 8 o" z3 v- j6 |) K4 n8 q) [" gLADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. 2 f, M# Y7 ]. R5 M* iSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo 6 m, s8 d4 L- p. c5 `1 ^- jdisable local ABM abilities so that following salvos are able to approach the ' d$ \- _1 X, O9 q3 Btarget more closely before being, in turn, intercepted. Eventually, by repeating - j# b6 W8 }( W* o: nthe process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). 5 S3 }7 n( P. U/ v4 g7 S- gLADS Low Altitude Demonstration System. LAFB Langley AFB, VA. 0 R" b7 S+ h3 w! [LAMP Large Advanced Mirror Program. 0 D5 O8 A4 M* l8 }3 f( zLAN Local Area Network. ( V" L* C( I) @Landsat Land Satellite (NASA program’s satellite). LANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. 9 C0 e. s3 }$ M6 G6 m" p; ^! }LAO Limited Attack Option. LAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. 4 K3 O( d }+ x& Y6 }4 H) `$ [MDA GLOSSARY, VER. 4.0 L 162 ( L7 n# b9 g% PLarge Optics The technology of constructing and employing mirrors over 1 m aperture to direct ) U4 [& o! o$ D8 nand control high power beam weapons/systems with large coverage, or to provide high resolution or high sensitivity for detection and/or imaging. E; l" j2 h+ E/ h# L( o; P# _LASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be % t0 Z& e/ s' P. o3 V# ?" xused as lasants; these can be in solid, liquid, or gaseous form (consisting of + `/ A4 N8 r c* i7 y5 a ^molecules including excimers or atoms) or in the form of plasma (consisting of % v. V% L# o4 r# `( {ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon ' _% Y. `) \- i/ d/ [/ ^6 rchloride, krypton fluoride, and selenium, to mention but a few. / f ?: F+ V* wLASE LIDAR Acquisition and Sizing Experiment. Laser An active electron device that converts input power into a very narrow, intense ; N! s# r7 K% Q! _2 Z {+ Obeam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its 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. , V+ d' N& X# g* S$ D( aLaser Detection and Ranging 1 ?5 H6 {8 }) i2 t* M(LADAR) - x" r1 }% M+ K8 i( T' A2 j! hA technique analogous to radar, but which uses laser light rather than radio or 5 `* z" I5 i, d! rmicrowaves. The light is bounced off a target and then detected, with the return - P$ ^% z) b f) hbeam providing information on the distance and velocity of the target. Laser Guided " }/ w2 K9 J5 YWeapon * X' P7 \" V; V0 R7 {: f) SA weapon that uses a seeker to detect laser energy reflected from a laser , M$ C+ x5 [" x* W; E2 `marker/designated target and, through signal processing, provides guidance " [6 I1 U. q5 {1 ucommands to a control system. The control system then guides the weapon to the point from which the laser energy is being reflected. 7 q# f# N* m; c% S4 j6 I; dLaser Imaging Radar A technology whereby a laser beam can be used in a way similar to the use of a ' v/ Z2 {% |3 Cradar 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. # _' r+ D/ s6 \) y, oLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected from a laser designated target and defines the direction of the target relative to 5 _# [1 w l6 a& S2 Dthe receiver. See also laser guided weapon. Laser Target / X, s1 p2 w3 o6 \, ZDesignating . i" U$ z7 K) }; N: v0 KSystem 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 - }$ n) e* L7 w- a3 rand defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. $ |; L' x7 [! _6 y6 x7 c$ hLASERCOM 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) % i% v/ Q, @! c' S' u2 nLaunch Detection Initial indication by any one of a variety of sensors that a booster has been launched from some point on the surface of the earth, with initial characterization of the booster type. (USSPACECOM) Launch Point Determination U/ Q9 p) P0 ^, WWith computer methods, uses missile track observation to estimate the point on 9 X0 a) e5 K6 f# athe earth’s surface from which the missile was launched, expressed in terms of circular error probable. 0 M' g9 u: S. p1 iLaunch Under Attack (LUA) ( W8 J( n2 [, K: \4 t4 NExecution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the , z' w' n& T$ H$ kUnited States and prior to first impact. & Z, ] b& ~$ Y4 R- D+ @Launch Verification * p$ y" ]! n1 B% }* Y4 w3 k3 WConfirmation 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. + A m, W' a$ _3 G# mLayered Defense A defense that consists of several sets of weapons that operates at different phases in the trajectory of a ballistic missile. Thus, there could be a first layer 3 Q+ o% h: v/ k- q" _(e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). lb Pound. 5 L6 c/ R6 z& Q7 ULBL Lawrence Berkeley Laboratory, Berkeley, CA. . a8 P* o- ]5 J9 v) B2 Q5 }, L: |LBM Localized Battle Management/Manager(s). ; |0 p# o. ^* n: vLBTS Land Based Test Site. ( W5 s+ u( |7 S K* {LCC (1) See Life-Cycle Cost. (2) Launch Control Center. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component 3 b! u" p: g5 v! p- z0 o% y. q/ x; o% MCommander (JCS term). LCCS Life-Cycle Contractor Support. & {+ {& V8 @* a7 u- V" C. [& s8 ~LCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). / @7 q, j: _' x9 F7 `! P+ dLCS Laser Crosslink System. LDC Less Developed Country. % b, m2 H0 A& T. zLDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. MDA GLOSSARY, VER. 4.0 L 164 LE Lethality Enhancer (PAC-3). Lead 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 ' S. s& {. E6 g+ d7 l1 Q8 Nprogram. + W/ [ f& r; M% O0 `! d, k% ~0 aLEAF Law Enforcement Access Field. 4 f( S% F5 f+ Y( C: v: g) OLeakage The allowable threat objects passing through a BMD system expressed as a ) z" J) n1 D6 i0 T& |percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. ( M+ a; W( z# Q0 t, H0 T7 m# TLeakage (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. ' b" e7 a. d4 W& M6 HLeast Privilege This principle requires that each subject in a system be granted the most 1 W& \! \& A- y6 p3 ^restrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. 4 H( S7 l; z2 g; J' S! f* G! \LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. - F% v8 q% @. C' Y* N3 p RLEIP Link Eleven Improvement Program (USN term). ; y0 T( J5 s. p( X2 b" R1 u+ uLEL Low Energy Laser. $ R0 w: g7 ~/ w- g3 dLELWS Low Energy Laser Weapon System. 2 ~+ g8 U9 Y! R* U* W8 @LEM Logistics Element Manager (ILS term). ; ]1 V$ H, {+ c4 c2 P3 y& e* WLEO Low Earth Orbit. L1 [ U2 }; u+ dLETS LWIR Environment and Threat Simulation. Level of Effort ' ] I+ o7 {1 S(LOE) : g2 E, b. {/ OEffort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. Leverage (1) The advantage gained by boost-phase intercept, when a single booster / c* W3 _9 _) c M, i* C0 Akill may eliminate many RVs and decoys before they are deployed. This could provide a favorable cost-exchange ratio for the defense and would - {- \. D$ `0 i. A; ~reduce stress on later tiers of the SDS. : s$ _6 e; O" u! }: S- `( I(2) In general, the power to act or influence to attain goals. 6 S8 U& @$ E; A9 HLF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 165 " E/ d- }1 l( u) oLFIE Live Flight Integration Exercise. 5 f' L9 D, B8 t0 Q6 @5 {( e& ~& FLFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. 7 E& a4 d& k/ g. l/ Z( O5 g4 vLFT&E Live Fire Test and Evaluation. 9 }. R# O3 q# t. V0 d; dLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). 1 ~0 ]) a1 s, }, t: wLHO Amphibious Assault Ship. Li Lithium. * } @. v( b+ |4 Y) G% y( `LIC Low Intensity Conflict. LIDAR Light Detection and Ranging. ( t. e. @* t8 s0 G7 `) _& o) q4 cLife Cycle (1) The total phases through which an item passes from the time it is initially developed until the time it is either consumed or disposed of as being excess to all known materiel requirements. (2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. 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 + A5 h3 c* X Z# @Management 2 d4 D9 I' ^/ N1 EProcess for administering an automated information system or hardware support system 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 8 |; G: W( [9 H- H; m& u2 _. jsystem from the definition of its requirements to the termination of its use. 3 @ J7 C, U" W1 R7 Q' ^Life Cycle of a ) A% E0 ]- _9 Y. U; g5 k! V9 h& m! l WWeapon System ; z/ ~8 Z4 a: y" P% @/ qAll phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and disposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental ! v8 U; l" ?4 B* P e. _3 Y' hprotection functions. Light Detection ( C- x8 ]; o, ~2 Z2 B7 D7 a: T, Aand Ranging (LIDAR) A precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little 4 ^5 h/ K6 H3 ~ v1 Qoff-load penalty. 1 `7 T: K" Y2 M4 H; yLIMIDIS Limited Distribution. ; {# Q* F+ `3 ?. L; lMDA GLOSSARY, VER. 4.0 L 166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is geographically distinct. Not an all-out attack or mass wave. Limited Defense 8 W/ f/ J( m4 _6 T( |- zSystem (LDS) & E; b- W. H3 p3 D% A! O* H0 IThe development of systems, components, and architectures for a deployable : \( L+ Z a. M. m8 L# Ganti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile / q9 H6 Z8 \; K/ }, N! A* O4 i5 XDefense Act, as revised) capable of providing a highly effective defense of the . R% W; c6 c! R0 G7 z# ?7 g& _United States against limited ballistic missile threats, including accidental or 8 A) s1 d7 a% O' U Nunauthorized launches or Third World attacks, but below a threshold that would 1 d- W N) t$ G. Y! wbring into question strategic stability. / b! i V3 h8 z: mLimited Operational ( ~, c: W* E0 I" J6 ~Capability (LOC) . t0 s& O, d" N" M: O' M# U/ sA point in time when the first set of sensors and weapons can be employed to provide a limited protection system. 7 H; e/ w, b! p) b( E& oLimited Production 6 A N: B8 q! I+ t3 dThe initial production of a system in limited quantity. Part of an acquisition strategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision v# b7 B4 m! Zusually made near the end of EMD or at Milestone IIIA or equivalent. (Also ! F: m1 w' P9 }& e' ecalled Low-Rate Initial Production or Pilot Production.) 6 q5 u, q4 |3 @: ELimited Test ; O0 s3 v0 i7 gBan 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 ( O+ Z2 }. b) \" Vwhose jurisdiction or control the test would be conducted. ) U9 g8 Q9 h6 ZLIN Line Item Number. , c ?8 d' q/ @$ xLinac Linear Accelerator. * f/ w4 v; M3 P# d' NLine Item (Budget) : U, O+ [2 c# u+ L) p$ N/ w7 M/ GA specific program end item with its own identity (e.g., B-1B Bomber). 6 C+ G; \1 H9 z+ G: m- nLine of Sight ) Z: b/ B0 G' O5 F; K h(LOS) / I4 J" |* o3 ^) R% P' Q+ KThe line from sensor to target necessary for the commencement of the detection, ; k' K- Y! }! u- e, J; hacquisition, track, and identification of a target. Line Replaceable 5 X- C [$ J# v0 o9 O/ \4 RUnit (LRU) An essential support item removed and replaced at field level to restore end item 6 U/ P8 j/ b& j( W. @% k3 {4 kto an operationally ready condition. (Also called Weapon Replacement , Z6 l0 c, u4 ^+ L* eAssembly and Module Replaceable Unit). 8 Z g% E( d! n) e, Y, n! @9 ULink-16 TADIL-J. - K/ M; J" f; T5 [. _; |$ g6 T; VLink Quality ( W. T: B4 y, oEvaluation This testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. ; Z0 R) P" t( Q8 F& A& FLiquid Fuel Booster (LFB) ( ~' A4 ]; ]& z" f \* fTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. ]2 }7 ?2 Y0 G9 [; PLIS Laser Isotope Separation. LITINT Literature Intelligence. 9 s5 C. J+ @2 m4 E2 |9 |( J6 }* ]MDA GLOSSARY, VER. 4.0 L 167 Live Fire Test And Evaluation * E, K- Q8 w2 Q% s0 F. Q1 X T& c(LFT&E) % u* E5 `/ I# v5 e' HSurvivability testing and lethality testing required before full-scale production. ! c* g [0 S$ \+ E0 }9 ~Must be conducted on ACAT I and II programs for: (a) A covered system (a conventional weapon system designed to provide some degree of protection to & A6 n P5 a; y( X. j/ q+ E3 ]+ xthe user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered 1 Q. x/ a1 S) ^* osystem. ) E+ q! b/ u7 g0 E2 i6 y% vLIVEX Live Exercise. - Q8 l n8 U/ C9 |LIWA Land Information Warfare Activity. 8 j" w7 l& {4 \1 j3 w( U/ g+ oLJ Life Jacket (BE term). * k& q9 p7 }8 j1 _- xLL (1) Lincoln Laboratory, Lexington, MA. ) u/ t2 d- t) J9 c% Z* _7 Q/ ](2) Legislative Liaison. ; M8 l* K3 [: H8 CLLM Long Lead Material. " F' M( N8 A. Q( qLLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). . {6 I: M( g1 K0 |LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. # @- @1 ^' }! u# m+ p# J0 o) Z" ](2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. LMA Lockheed Martin Astronautics, a defense industry contractor. LMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. 0 a( A4 J& e. e' }* i" XLMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. $ F" d3 l `( D9 `LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). - X* l6 f' v0 |, ]8 l(2) Low Observables (LODE-related term). - {) \; l1 ^' D% g" G$ T; {LOA Letter of Agreement. LOAD Low Altitude Defense. LOC (1) Lines of Communication. * Q- b& R h& v) T( |' I(2) Lines of Code. (3) Limited Operational Capability. % V# t t7 _5 Q! X% J/ H0 O0 S1 ?MDA GLOSSARY, VER. 4.0 L 168 " o8 s S4 ` K: H, E/ }5 VLOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of * ~8 D3 t% n' z/ hEngagement The assessment of an engagement by high-resolution fire control sensors. Local 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 0 ?/ K) w+ [1 y( z0 uElement Processor Emulation and provide a realistic response to the Element 4 I+ E6 p& a- ]* h, V$ [Processor or Element Processor Emulation. ) N2 Q+ _# s9 w% Y O+ ] CLock On Signifies that a tracking or target-seeking system is continuously and automatically tracking a target in one or more coordinates (e.g., range, bearing, elevation). ! S0 {- v/ o7 ]3 V5 r2 m2 S% ]LODE Laser Optics Demonstration Experiment. ( K+ N, A: w5 P" ZLODTM 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 ; ^4 J2 l% O A" s; @5 Esame range. LOG Logistics. LOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. * R% @6 E: @& T5 p) X+ jLOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of forces. In its most comprehensive sense, it includes those aspects of military operations which deal with: (1) design and development, acquisition, storage, + X' f& I+ B0 U3 \# r. hmovement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or construction, maintenance, operation, and disposition of facilities; and (4) - v0 t& [9 {3 s# K9 Macquisition or furnishing of services. & K, w) h7 [2 m6 oLogistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. 5 J2 }+ K8 _7 v* r$ p2 z3 iLogistics Supportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; 5 J" i/ I( L. R; O @- Ztransportation requirements; training; manpower; and software support) allow # T( v, v* E1 J* P* ~. Z9 hmeeting system availability and wartime usage requirements. , c+ |* v5 v, Z; h% m6 |. j, DMDA GLOSSARY, VER. 4.0 L $ [! o) ^3 a0 E1 c169 6 T/ `, g- l6 ]5 h( }, F" p5 nLogistics Support Analysis " u$ K: E7 K0 \% z# s(LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: 6 ]7 D: S$ {( B; E7 f8 rcausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring the required support; and providing the required support during the operational 6 {! g; q2 v% \* T% Fphase at minimum cost. ; o8 _* L( \! j" [+ V' V- CLogistics Support Analysis Record (LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document ; O& d6 V' I9 ~operations and maintenance requirements, RAM, task analyses, technical data, 0 L& Q+ {9 \2 N* `) G/ U7 N& z* ssupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, 7 x& Y/ \7 c1 K4 m* E4 O* Rand transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. 6 T7 ?8 C8 E$ l( z! n4 z, ILOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. 0 R& P" X# `3 \6 X3 z, ULOMEZ Low Altitude Missile Engagement Zone. ' j( |7 I* x7 R: @Long Lead Items / [2 J- u6 e% bLong Range Air - c6 s# {6 e0 F. o/ j8 I \$ nLaunched Target (LRALT) 3 X, r, M3 l3 ~- y) U" O( i7 {Those components of a system for which the times to design and fabricate are & N. U n5 Z& K* W& j; B: |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. # w# X% u7 E+ v0 ~3 j5 k, lTwo-stage, air launched ballistic missile target being developed for MBRV-4. ) n5 c' F7 f) I0 G& v% T. VLong 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). LOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude Demonstration System (LADS) / u* w- D; o [ F2 ?Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program + A2 o5 J1 D& P. M8 uphase. The LADS will consist of a flight experiment and extensive ground demonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low # i' y, D4 l- a& d$ Pconcept and collect phenomenology data. & B# n! O7 @ r" G- r( T; p, ALow Earth Orbit (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 8 \, c9 U1 m1 o6 vminutes up to 10 minutes over a tracking station), short life spans, and are most ) d. k" q+ ^6 N1 ?/ g' B/ |subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. 5 I( j' u( q; ]8 c% k1 u4 NLow . r/ y7 R) i' zEndoatmosphere & Q; b" W0 {8 j. eThat portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L ! {6 Q, z; D; L+ Y0 u/ b170 0 e$ I% u& k0 ^2 P9 f+ ]Low-Rate Initial Production (LRIP) The production of a system in limited quantity to provide articles for operational test and evaluation, to establish an initial production base, and to permit an orderly increase in the production rate sufficient to lead to full-rate production 0 F- B7 T4 c, m" S/ O8 Cupon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. + f2 v) Q: p+ y$ c- ~9 M2 Y+ Y4 MLPAR Large Phased Array Radar. LPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. 5 W9 l$ h+ G/ b$ [% _(2) Launch Point Estimate. LPI Low Probability of Intercept. 1 ^8 ` V- M4 N$ `LPS Limited Protection System. LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. - v; P! A+ _ PLRB Liquid Rocket Booster. & }. ?* A: _3 V; q# mLRC Lewis Research Center, Cleveland, OH. 8 ^* O* `0 U) f5 s2 W1 _LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. 7 J3 Z; Z6 z7 G$ J. o+ KLRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. 3 N5 Q+ O# B3 c M8 _; wLRIP See Low-Rate Initial Production. + y# y I& `8 _LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. LRTNF Long-range Theater Nuclear Force. + f$ \" V6 `6 u+ q% bLRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). ; i5 ~6 q6 m$ U9 |$ W- `LSA Logistics Support Analysis. 4 F" z8 U/ u. H8 N/ |; tLSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. 4 a- ~/ m9 ?4 s1 ]LSART LSA Review Team (ILS term). / U! J O [7 n7 U9 yLSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L 171 LSAWG LSA Working Group. 2 B" r/ P$ A* s0 Y8 b+ YLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). # V) H* z+ N& G' vLSI Large Scale Integration (circuits). 1 T; ]2 F/ T3 v7 ALSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. 9 Q+ p( f0 G* N9 Q- W6 rLSTS Launcher Station Test Site. LTA Lead Time Analysis. ' j: m5 x2 J1 PLTBT Limited Test Ban Treaty. : S4 p, ^0 j+ [LTD Laser Target Designator. " e7 v3 t; m8 d0 \7 _LTH Lethality and Target Hardening. LTS Low Temperature Superconductor 3 ~: J) ]* q0 G# _) {/ O* ^* [LTV Launch Test Vehicle. LU Launch and Update. LUA Launch Under Attack. ) L4 t+ x% |, r! t0 l. ^LUP Limited U.S. Protection. LUT 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). 9 q3 C+ z# C% h: S* @LW Laser Weapons. * r8 k! O6 S' x$ z9 N8 YLWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. $ k3 T3 }' M* ULWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. $ b* O- z) y `, GLZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 173 m (1) Meter. (2) Minute. , K! p0 @( {$ |+ DM (1) Model. (2) Million. (3) Mega. 8 T- f2 ]- H3 O' W: u- R! K Y, @: K4 }M&LC Missile and Launch Control. ! h3 F3 q# Z* w: C( D3 fM&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. & @- l- E. L8 `& x- YM-T-M Model – Test – Model. ) J) ^& h9 Z4 H9 ^6 kM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. # y0 D* E# k, P: R5 GMAAG Military Assistance Advisory Group. 6 c0 W H+ U9 S2 M/ u& aMAB Missile Assembly Building. + l6 g: d2 |/ U8 u* Y- SMAC (1) OBSOLETE. Military Airlift Command. See AMC. ' k- S8 k, D; K, H1 Q8 ]. N(2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). ! [' C8 W# s+ d! }( o0 f* k- FMACCS Marine Corps Air Command and Control System. 9 g6 ?! ~0 d7 CMACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. ( x( {( }7 p* b+ W5 H6 o8 I# @MADCAP Mosaic Array Data Compression and Analysis Program. , l+ |" [5 k& _" {% QMADS Modified Air Defense System. MAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. Main Beam The primary directional EMR emitted from radar transmitters. Maintainer An individual responsible for retaining the major defense system in or restoring it 4 e* K+ \7 ~8 p9 xto a specified condition. Maintenance activities include inspection, testing, + X" S* [( I; a! g% a) L9 x9 ]servicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance : b! A. ~% b: S- qConcept/Plan , W: I: h4 x6 q/ a* j ^2 {. H$ VA description of maintenance considerations and constraints for 4 O- v2 r0 i& j& U2 h# nsystem/equipment under development. A preliminary maintenance concept is " T, u' h9 m: B8 k. pdeveloped and submitted as part of the preliminary system operational concept for each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in : p- F% o( E! G' Z2 b- ddesign of the system/equipment and support planned for it. 2 c: O- W5 s. Y9 ^. t0 a$ MMDA GLOSSARY, VER. 4.0 M 174 Maintenance 8 p8 s, v& n1 [7 ]6 cOperations The corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing 0 ~3 d! Y$ v' E6 cand the update of relevant status configuration, maintenance, and inventory databases. 2 Y9 \' Q$ f- F0 C/ ?/ M+ aMaintenance 9 H1 V! S) ]% P* h/ rPlanning 1 d& k6 g, e" }The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements of ILS. : l8 `- A+ D) R, y4 pMAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council ( g2 L/ M. {$ i+ y. E/ P6 pMAJCOM Major Command (USAF). % A. J8 c# x5 j9 e9 w. g# H4 aMajor Automated Information System Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and 0 X1 c$ u( M1 `- ~6 N' hIntelligence. See DoD Directive 8120.2.

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Major Defense Acquisition ' a! i5 v4 w3 W8 D2 wProgram An acquisition program that is not a highly sensitive classified program (as * z- w. o' U+ adetermined 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 : q* Z6 k4 q f9 u* h* x% S2. Estimated by the Under Secretary of Defense for Acquisition and Technology to require: a) An eventual total expenditure for research, development, test, and * I5 O' u; L8 d' `1 D9 F* Hevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant + T% O% M6 K: |- o4 M9 U& qdollars), or b) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major Modification A modification that in and of itself meets the criteria of acquisition category I or II ( ~& y2 z* d2 Hor 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 6 t% d* w( {9 n1 S0 q, x6 Zthe alternatives considered as part of the Milestone I decision process. . n/ H; B7 ?) Y7 i. dUpgrades are part of the Milestone 0 decision process. Major System A combination of elements that will function together to produce the capabilities $ [5 Q, J; z( d( y7 H: W- r' srequired to fulfill a mission need, including hardware, equipment, software, or any + [. s8 [/ `& D1 g: Zcombination thereof, but excluding construction or other improvements to real ' K! H8 b8 F2 w8 Lproperty. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and 2 y5 s' p' H# Kevaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or 2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 2 M2 K2 l5 h% h2 M @! w175 Mandatory 9 t3 A2 O/ x; \, \0 NAccess Control + }* U. }# F+ k5 w2 o% @A means of restricting access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal . ?5 q9 G- }8 q3 O. F/ nauthorization of subjects to access information of such sensitivity. Maneuverable 9 g, K( `! n' I Z, g# MReentry Vehicle 0 L1 H$ ^& B3 @4 y/ b+ Y6 F(MARV) 1 t" f2 s, s' @/ e% H' |: `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 fall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). ) Z6 P+ ~+ U) t1 M8 I$ O P3 aManpower Authorizations * A$ O! B% u, p, yThe billets in the manpower requirements structure that are planned to be filled. Manpower ; [; Z' E4 y+ m$ w l6 g" y/ HEstimate Report (MER) An estimate of the number of personnel who will operate, maintain, support, and ( w3 l% f7 m1 Utrain for the acquisition upon full operational deployment. The Services prepared 1 h. `. G' R" K6 y `the estimates, and the SECDEF submits them to Congress 30 days prior to ! [3 J( @& }8 Happroval for EMD or production. Manpower, - e7 P& I1 {0 S3 g: p0 j; RPersonnel, Training, and % d1 S% l, F3 LSafety (MPTS) The human dimension of the complete defense weapon system. The term " F' q( S6 \8 ]4 P0 G+ i: ?( mMPTS also encompasses the concepts and disciplines of human factors 7 [, e5 l4 Y: ^engineering and health hazard prevention. Manpower, 5 O. O( f; c8 Q; y8 DPersonnel, 1 O; c( a6 g, _4 C6 O, wTraining, and 8 D# Q$ N; Z( Z9 D) n5 ?2 g4 u7 O1 uSafety (MPTS) Profiles 7 o" W) A( v; IA description of human dimensions and constraints involving a major system % ^6 K6 X/ D$ X5 H; f7 Othroughout the system life cycle. This includes, but is not limited to, descriptions 8 R8 g: Q+ r/ _6 }2 A) s" Nand categorizations of occupations, aptitudes, individual skills and demographics, training system characteristics and components, potential system # P3 F1 s) j5 F: r5 D9 ehazards, and other issues affecting the performance and welfare of operators, 4 O3 O% L9 S" G) I3 G8 A1 E2 v6 wmaintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. ; e9 o& D" A2 }6 ^4 g" R! L6 qManufacturing (or 8 y) o. L/ z7 b+ Z, dProduction) Engineering / z# I f6 z4 }; v! lPre-production planning and operation analysis applied to specific product ; B# {. e l4 i* q1 e( Cdesigns. The functions of planning, specifying, and coordinating the application 5 p) o y+ {9 ?4 u2 Xof required factory resources including: performing analyses of production 1 p3 y+ z+ {, [operations, processes, and systems; applying new manufacturing methods, % ^# F' |" A- o, \( Q8 ~0 Ctooling, and equipment; controlling the introduction of engineering changes, and ! F# }$ t/ j# T" u( t: m7 Lemploying cost control and quality techniques from the factory viewpoint. Manufacturing . t. d) h& ?' c9 B5 u' AOperations, Development, and Integration Laboratory (MODIL) An SDS-peculiar integration mechanism to link product technology development ; l3 W& R6 K7 u2 @% n5 W5 Z$ A( y% A- rconcurrently with manufacturing process and control development for a costreducing effective SDS development. ' q( R Q% ~2 a2 a9 z9 dManufacturing Technology (MANTECH) Manufacturing technology refers to any action which has as its objective the : E# f: U! n/ M- C% h8 P0 ]( Htimely establishment or improvement of the manufacturing processes, 8 w, O1 ]0 m3 E7 Ztechniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic ; c9 _. b+ {& F* B: Y$ T2 r' tavailability 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. * Q! N3 a& s9 U% Q% u6 @MDA GLOSSARY, VER. 4.0 M + g/ X. K# ^2 `" |- y, }176 . L0 I1 M% I# y8 EMAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. 0 g# t/ m4 M0 rMAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and 8 t: m% E9 t8 b. ?9 u/ v+ T2 h4 oControl System A US Marine Corps tactical air command and control system that provides the tactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual through semiautomatic control. 7 t! Z+ Z8 W$ D6 B/ g3 `7 L" TMark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. MARS Multi-warfare Assessment and Research System. 2 N$ R7 v8 W( sMARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. . k# [; \# }& _4 H6 U/ b& \MARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. 8 T+ ]0 g- J! I/ l5 T- e3 kMASPAR Massive Parallel Processors (TMD-GBR). 0 X( f; Z8 `, FMass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. 2 r* P" P$ W4 j# b2 dMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation Model (SSGM). Matching - i! d& }- v& G$ e2 VBallistic Reentry # q3 w+ Z" x3 qVehicle (MBRV) # q! q2 H# W# { f* A1 WFour reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. 2 g6 o r+ ~7 T7 f# CMatching Target Reentry Vehicle / O3 L J3 k6 h" x(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. ' I C, k% e# @& Z) i& m. i6 |* fMaterial Fielding 4 H# `5 B5 d1 K2 L: m# uPlan Plan to ensure smooth transition of system from developer to user. $ `$ L; o2 K" z( y: d+ A- KMaterials + ~5 a+ Q# W; r- ?Science ' V! \/ _. X0 V, `6 N; g4 L @The science of developing/altering and applying materials to obtain a resultant # |7 V0 U0 L3 [8 T: e$ Y3 Omolecular structure with desirable physical properties and performance * J2 h+ P+ r' P( ]& d# }! V+ ~3 `characteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. MDA GLOSSARY, VER. 4.0 M # C7 z3 b9 H3 m177 Matra BAE 1 V3 s, w1 P, K9 c1 N# d. ?Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. o0 j3 R$ n8 `MAX Maximum. + J/ a2 F, a/ r& v7 vMaximum - V9 N7 z( H- cAttrition 6 u1 e3 j+ u1 z' n9 W1 r: PMaximum attrition is employed in a target-rich environment to destroy the maximum number of RVs, regardless of the type, by using all available or allocated interceptors. This option may not satisfactorily defend specific or required assets. , |. h6 b9 H/ V0 |' rMB Megabyte. 4 M% y, l! Z; {% y6 ZMBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. + }: E( W# I! F0 s$ @* g$ EMBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. Z! G. }4 y) P3 [- K% Z uMBRV Maneuvering Ballistic Reentry Vehicle. 4 E+ t3 h/ w9 r7 p n. ^( |8 W1 ]MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS 2 K6 u ^) ?5 h- k w9 F6 L9 mterm). (4) Military Committee. 8 r2 a4 c+ s7 {5 Y: FMCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. : `# ~- @& B# S0 x* M* gMCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. ' o" k6 X; k* q y# W4 ^MCCDC Marine Corps Combat Development Center. ' J0 F, V. h e. d5 @( I- C ~0 TMCCR Mission Critical Computer Resources. MCE Mission Control Element. % m+ d% F8 W' L: x. _/ h: W- ?MCG Midcourse Guidance. 1 O2 b" f. r1 i1 b; _$ J- }MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). ' c& E# x- M! f0 {MCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 178 - ^. d9 k; H; V" L: u, hMCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. % B0 N a2 W: N! e: I% x0 D* oMCRDAC Marine Corps Research, Development & Acquisition Command. , K* ~. O! `* _ Q' gMCS (1) Maneuver Control System. (2) Midcourse Sensor. 8 _* ^+ K: I* \ HMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). 2 p t1 T: q1 z5 v5 fMCTE Mission, Course of Action, Task, and Element Control Directives. 8 X1 `- s" {% W8 n. Q7 T7 YMCTL Militarily Critical Technologies List. . Y+ { G* j9 Y0 J" H3 |+ X$ IMCTR Missile Control Technology Regime. ( `' t* L }7 m0 o* yMCV Mission Capable Vehicle. MD Missile Defense. # ]' K2 N \# {5 x$ BMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision , W6 n0 c, {: \, ?2 ^5 F% pAuthority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. $ P. Y$ y( K, lMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. 4 r7 O8 Q1 b. | G0 o8 ~! UMDCI Multi-Discipline Counterintelligence. 7 D3 d8 @, W$ H$ m( Q( W5 k6 aMDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. 1 ]. g+ A' i% A L4 T$ QMDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. (3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. : J( d4 f2 n8 T' q; o" nMDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). ) q+ A7 c4 p! U# gMDTOA Mean Downtime for Outside Assistance (ILS term). + T7 {3 C' [* K9 ]3 GMDA GLOSSARY, VER. 4.0 M 179 MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. 9 V5 ^5 L. }) G3 I, R& GME/VA Mission Essential/Vulnerable Area ! e1 E5 w; E, ~3 d6 o) Z2 m# p' HMEA Mission Effectiveness Analysis (JFACC term). 2 v: d% R, w9 L! eMEADS See Medium Extended Air Defense System. Mean Time Between Failures 7 O- o* g. w; {8 a(MTBF) A measure of the reliability of an item. Defined as the total functioning life of an item divided by the total number of failures within the population during the measurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. Mean Time To Repair (MTTR) $ A$ r7 K9 J+ p x7 nThe total elapsed time for corrective maintenance divided by the total number of , L$ `: P/ W) G5 p5 g- K' Ucorrective maintenance actions during a given period of time. A basic measure of maintainability. Mean Time to Restore System (MTTRS) A 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 time. (Excludes time for off-system maintenance and repair of detached components.) % n" S4 a3 j0 a! F' O. ]+ k6 b+ lMEASAT Malaysia East Asia Satellite. & g0 j' B! j* w* iMeasure of Effectiveness . l9 G) U+ `% t5 `0 H ~- }: }(MOE) The quantitative expression (sometimes modified by subjective judgment) of the success of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth & G/ y: I* X- g" K6 v+ {Orbit (MEO) 4 k- s$ ^. |! K2 gSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, # Y. U( B! D% ?) n+ E* tlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes , K1 S( [- T3 P8 O- ]up to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special protection. Medium Extended Air Defense System (MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and 6 @( D# \1 @2 |# [theater missile defense system designed to protect critical fixed and : Z/ f; V5 C" Y8 h: e; X, zmaneuverable corps assets. MEADS superseded the Corps SAM program in 0 ]7 p; Y T! Z$ o' y) h1995. 5 x: Z6 C; C1 r9 m, e% LMedium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, 3 ^4 j& M, N& q- y0 _% t$ X" Dtrack, and designate a target vehicle. Medium Range 8 l3 J5 |& B `, y$ HBallistic Missile M( g9 ?: Q' u+ y Q% L(MRBM) - l3 f D$ t UA ballistic missile with a range from about 600 to 1,500 nautical miles. Medium Wavelength Infrared (MWIR) Thermal radiation emitted by a source in the electromagnetic spectrum A+ q) o# F, a3 l/ Aencompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M 180 MEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). % T2 I4 r) o' ~0 V R( |7 v( bMEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. ' l' S! m# o9 Q% ]/ k3 [/ TMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of 6 l1 D) ~. E# H- `# k0 Z& NAgreement (MOA) (1) In contract administration, an agreement between a program manager ( |& ~9 O* z5 ^ I8 C, land a Contract Administration Office, establishing the scope of responsibility of the Contract Administration Office with respect to the 0 ?! D; ]' ?) K& G8 [+ W7 Scost and schedule surveillance functions and objectives, and/or other . [/ b9 f: s8 j/ G9 Y% [( E% c- K/ ocontract administration functions on a specific contract or program. 9 b6 ]9 P2 N' u" J, q' c) L(2) Any written agreement in principle as to how a program will be # M6 f; _# R% C8 q) N$ Badministered. Memorandum of Understanding (MOU) 2 ^+ G. T* z) x5 l9 SOfficial agreements concluded between the NATO countries' defense ministries 5 |- s% d* `; a f+ Wbut ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be : y$ c: r* A, a" h3 L4 ?5 Rbased on the rights and obligations laid down in them. ' A# R( p$ [% N' ~+ D8 N1 \MEO Medium Earth Orbit. 8 Z/ E* X) n& P$ g+ A' s+ lMER Manpower Estimate Report. * d: G1 p* D! t" D; [. T2 x% ]& G& w2 AMercury / X1 {+ W/ A4 Y9 Z5 |Cadmium / \' R2 G* Q @% _! w( aTelluride (HCT) $ w8 {6 p2 c- i% I8 B# C$ l5 bInfrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. 2 w, W* v0 O' s8 b! o4 g0 T" t/ @; NMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods Engineering The technique that subjects each operation of a given piece of work to close , \9 s- o" o3 u% nanalysis to eliminate every unnecessary element or operation and to approach ' k" h- I6 E& i; O* O4 ythe quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, ; [4 |8 `3 r3 x( W W3 W: fequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. METOIA Minimum Effort Task Order Impact Assessment. % t8 t, D; X! l2 Q& k' T; d/ F+ tMETOP Minimum Effort Task Order Plan. e, a2 L5 C( ]9 Z1 J0 @% h! ?: FMETOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software " C8 B& ~' R0 _; E: X* {development process. 8 P" j$ \7 h( uMDA GLOSSARY, VER. 4.0 M 181 ' U. W" @$ ?5 V# MMetrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. " c" i4 m! \1 t$ pMeV Million Electron Volts. 7 R) J9 G, O# J$ ~$ jMEZ Missile Engagement Zone. 2 Z) G: P, Y4 U3 z1 S6 O& A7 zMFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. MFLOPS Million Floating Point Operations Per Second. 2 a: I& Q8 {9 c1 `, DMFP Major Force Program. MFR Memorandum For Record. o _& R: Q7 H: |+ V2 IMFS MFS Communications Company, Incorporated. 3 ~( v! u6 E8 X9 \: J7 J1 e7 xMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. ! ~& ]* t: e2 k8 g+ r9 {, v0 lMGEP Mobile Ground Entry Point. 0 ^3 ]& H) c YMGLI Midcourse Ground Launched Interceptor. 1 g2 S' r+ ?- |# ]MGMT Management. 9 ]: o7 T/ U" i X) BMGTS Mobile Ground Telemetry Station. * [* e* w9 S) \4 P9 u9 ~MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. & I/ }* J. n& qMHV Miniature Homing Vehicle. 7 t; e* D0 f3 J7 ]% V; dmi Statue mile (5,280 feet). MIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). / b0 @( X* F; {1 L5 B3 y1 f3 Q. T8 w' WMid-Course 6 o1 H2 L! K( |4 VDefense Segment (MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight 3 F }' ?1 \, H: X X2 j) y, Y6 fbetween boost and atmospheric reentry. 8 E2 E$ x# Q& ^% s4 }Midcourse Guidance ; d9 m( o7 L( P2 {The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M 8 f+ i0 K2 R/ C* c9 A182 5 W$ V* D$ i5 O, X* pMidcourse (MC) Phase That portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and ; t9 t3 F+ g% h$ s7 R! {decoys and is no longer a single object, but rather a swarm of RVs and penaids ) s. {1 U7 }# A) e$ ?) c2 ?falling freely along present trajectories in space. Midcourse Space : h& m3 _. H% N; b- C! M" EExperiment * {: Q! p2 V- f(MSX) Designed to provide demonstrations of midcourse acquisition and tracking from 0 ?, Z8 V. W. A) Cspace, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target signature measurements. Midgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. ) l% {. k4 W; R# P% uMIJI Meaconing, Intrusion, Jamming, and Interference. 7 M1 }) L- w. p% YMIL Man-in-the-Loop. MIL-HDBK Military Handbook. 4 h) z/ x7 I; W9 s( e; }. _MIL-STD Military Standard. MILCON Military Construction. * w5 m$ g) j% @& r9 qMilestone Decision ) W6 D, m8 n, u. x" V: bAuthority 4 _* Q. @$ @. w' ]6 e% |8 CThe individual designated in accordance with criteria established by the Under : C. x3 U' F6 C* c$ ~Secretary of Defense for Acquisition and Technology to approve entry of an acquisition program into the next phase. Milestones (MS) Major decision points that separate the phases of an acquisition program. 8 R' e. J5 m3 C3 x$ k: iMilitary ' `: g# `' h j1 J+ zCapability The 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, : k: y8 q0 W0 J7 V/ S* p# vsize and composition of the units that compromise our Defense forces; b) ; t# d M8 J" X5 C& Y/ Q4 P! A G MModernization -- 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 4 Y; |+ A+ D$ e; M8 U0 o: Tto achieve military objectives. Sustainability is a function of providing for and : F. V1 b+ X& p5 `5 }( i; tmaintaining those levels of ready forces, materiel, and consumables necessary + a6 v0 D9 f3 l5 G. y$ Ito support military effort.