航空缩略语词典

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Kinetic Kill * v" {7 ^+ l* e7 F* k0 \; ZVehicle 5 A" U7 B, ?- @Integrated : e+ m* T/ O, m+ J6 L1 cTechnology Experiment 9 X" h6 j! d$ n8 c$ F(KITE) $ w" g/ x2 c5 x5 ^3 vA series of test flights at WSMR to demonstrate HEDI technologies. % C7 O4 V7 _4 `: O' N3 N! tKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. : q, ~1 l1 ^5 `& W) lKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. Km/h Kilometer per hour. 7 i* f% k# i1 o" F1 k6 J- h- J7 iKm/sec Kilometer per Second. 4 Q0 h! Y- a, [' P. |9 g1 w8 HKMCC Kwajalein Mission Control Center. 7 K8 P& l" e" i" BKMR Kwajalein Missile Range. ( r! K9 M+ F# k8 hKMRSS Kwajelein Missile Range Safety System. 9 k+ Y# j9 D J9 VKPP Key Performance Parameters. * n) `2 Y0 B- N* o6 N( p' \MDA GLOSSARY, VER. 4.0 K 159 Kr Krypton. KREMS Kiernan Reentry Measurement System. 9 w9 D* V' P$ d4 ^! ZKSC Kennedy Space Center, FL. ; O) E6 o+ \" [$ SKt Kiloton. 5 I9 D' S R+ ^/ a/ \( @KTF 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. ) d, r" G( G9 `" J/ O0 VKW Kinetic Warhead. . w3 e! _+ }# [; ^MDA GLOSSARY, VER. 4.0 L 161 # X, ]% R1 q1 {: ~, ]L&TH Lethality and Target Hardening. 4 c# |3 \: d DL1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. * \' U P4 l: n/ h1 OLAA Limited Access Area. 5 E z( I Y6 Z2 Q& JLAAD Low Altitude Air Defense. , F! v/ e9 Q$ Z' cLAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. 6 s4 t) b& o! j$ _' KLABM Local Area Battle Manager. 1 s0 A" `+ ?1 ]! U8 g; VLABP Look Ahead Battle Planner 1 _8 k; ]5 N( G) S) Z1 S" oLAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched " z: l. A9 S" ~, j. k# [1 \February 1990 and turned off July 1993). 5 y! J) [' w( k) {$ C) l0 xLACM Land Attack Cruise Missile. & x9 c. U" d+ a: O0 l& vLADAR Laser Detection and Ranging. 9 J% a3 L5 W) c' \5 ?1 jLaddering Down A hypothetical technique for overcoming a terminal phase missile defense. Successive salvos of salvage-fused RVs attack. The detonations of one salvo : a( L& n4 q9 m5 Kdisable local ABM abilities so that following salvos are able to approach the # X, Q; M1 @$ S& d& Ztarget more closely before being, in turn, intercepted. Eventually, by repeating the process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. , s1 k9 o% g% u- n% JLAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. 4 |" f& `+ M, H, Z2 k* NLandsat Land Satellite (NASA program’s satellite). # X1 @- p2 W0 R& c2 cLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. LAPL Lead Allowance Parts List (Navy term). 2 W2 r0 `& R9 Z( Y! HLARC Langley Research Center, Hampton, VA. , e& |4 e+ p- b4 I1 rMDA GLOSSARY, VER. 4.0 L $ k& x A. M( l, I- v162 Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct - \) s: p1 L3 ~+ W( kand control high power beam weapons/systems with large coverage, or to . ~* u5 S4 U" Iprovide high resolution or high sensitivity for detection and/or imaging. LASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be used as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon % X. U0 a) z9 K+ }) m+ C5 Wchloride, krypton fluoride, and selenium, to mention but a few. - M5 S1 Y* j' D% O6 ^$ p LLASE LIDAR Acquisition and Sizing Experiment. p( o+ G+ U1 ~' E: Y7 fLaser An active electron device that converts input power into a very narrow, intense beam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its 5 F$ Q$ n) S) i/ Y+ D% |" z6 npotential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 9 N! |1 r J; I# kLaser Detection , S, o# B! A: sand Ranging (LADAR) A technique analogous to radar, but which uses laser light rather than radio or microwaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. # |; g# u7 ^5 m1 WLaser Guided Weapon 2 A) |% X/ k: D% R/ t/ {4 ?A weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance 7 u+ |5 W+ ~, e5 Acommands to a control system. The control system then guides the weapon to 7 Z; [3 s8 K) p$ ^( T3 A8 _- S2 ythe point from which the laser energy is being reflected. Laser Imaging Radar A technology whereby a laser beam can be used in a way similar to the use of a 0 G9 }8 p4 {) V1 Xradar beam to produce a high-quality image of an object. Laser Optics Technology associated with the use and control of laser beams with flux greater 0 h1 \! i, H+ q/ Zthan 1 watt/cm2. Laser Seeker A device based on a direction sensitive receiver that detects the energy reflected ! A6 H! j5 G0 d, \+ pfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. , r- U' P: B( x$ ?7 SLaser Target ( b+ j5 c2 m& q( K5 e4 }Designating System 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. , E$ g$ j& ]9 C: OLaser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent ( l0 i9 \9 w% E2 {, rradiated power greater than 1 MW. LASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 5 {; C. Z* s: Y( U163 / d' I4 K9 d A, iLaunch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) % ~3 j3 u# G3 q N( l; CLaunch 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 + j: t6 V) F# C: pof the booster type. (USSPACECOM) 7 b* ~6 I4 E8 jLaunch Point + `4 Q& [# `7 d# [% B1 FDetermination With computer methods, uses missile track observation to estimate the point on & l' t) e# r" e5 Lthe earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under 4 Z: Q6 a$ E% R; Z$ k: BAttack (LUA) Execution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the * a8 k; ~9 D7 @. z( A1 ^United States and prior to first impact. Launch Verification ' k+ b" w) }( ]+ u- P! [+ BConfirmation of a detection of a booster launch by receiving a report from a , i# q v6 V1 I# E( \ c% Z# Q! {sensor separate and independent of the sensor that initially detected a specific booster launch. Layered Defense A defense that consists of several sets of weapons that operates at different phases in the trajectory of a ballistic missile. Thus, there could be a first layer + v2 m+ h% i) n. u(e.g., boost phase) of defense with remaining targets passed on to succeeding " M) p% G# a3 l: elayers (e.g., midcourse, terminal). 9 O( I. E( H: X2 `( _% \4 x* glb Pound. ( w$ e _+ n- W3 yLBL Lawrence Berkeley Laboratory, Berkeley, CA. / b* m" g( A+ z7 lLBM Localized Battle Management/Manager(s). E s" H6 P5 ]4 X% mLBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. ) S; B* s* X& |# J8 E# iLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component + B1 J& v- X o jCommander (JCS term). LCCS Life-Cycle Contractor Support. / W* g) ]- w' T z) dLCF Launch Control Facility. LCM (1) Life Cycle Management. 3 b7 S ?% W* `& b(2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). ! C) i% k) p _$ N9 M' K7 ILCS Laser Crosslink System. 2 N4 r9 b* l3 A- U0 R5 [0 OLDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited 3 I( f# W z |3 B; `Defense System. MDA GLOSSARY, VER. 4.0 L 164 LE Lethality Enhancer (PAC-3). Lead Component/ + b0 m& ^# b1 J# \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 program. LEAF Law Enforcement Access Field. 2 r: `' a6 z: H! u9 dLeakage The allowable threat objects passing through a BMD system expressed as a ( d9 y! S0 ^5 N/ U1 q3 {percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. Leakage (Max) The maximum allowable threat objects passing through a BMD system expressed as a percentage of the design-to threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. : }5 p' E: l0 J( g% E# A5 oLEAP Lightweight Exoatmospheric Projectile. 4 ^, J+ i& L! R4 _7 l: ALEASAT Leased Satellite. Least Privilege This principle requires that each subject in a system be granted the most ( g/ L9 w% X# t9 z( c2 C7 N4 jrestrictive set of privileges (or lowest clearance) needed for the performance of `, c; s% F+ R0 t* A( f- zauthorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. $ t3 t. X/ Q$ v3 I. k* OLELWS Low Energy Laser Weapon System. / N% r+ Y( l0 }5 ^6 ~7 xLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. 1 o2 K' P! o0 oLETS LWIR Environment and Threat Simulation. Level of Effort 6 b! G5 r8 p4 G; b(LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. & l# D- }% Y! r5 v( q, hLeverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This @7 Z1 J3 |+ R5 w* V9 c+ Icould provide a favorable cost-exchange ratio for the defense and would ) Z$ @. p( O) S' Ereduce stress on later tiers of the SDS. (2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 165 LFIE Live Flight Integration Exercise. LFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. - d0 X' g7 U, V/ w1 ?7 b! I2 rLFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. / `9 r3 [# [+ l/ O0 e$ N9 z1 _LGM (1) Laser Guided Missile. 1 [% `) X9 M5 b" Z( I(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). LHO Amphibious Assault Ship. , [$ t& G) Q6 e( ~$ b9 HLi Lithium. LIC Low Intensity Conflict. " Z& }% j. [1 g, M* ULIDAR Light Detection and Ranging. ( ^% V6 ^6 W; Q5 iLife Cycle (1) The total phases through which an item passes from the time it is initially 7 y6 F2 Q* `/ t$ A0 e7 \$ sdeveloped until the time it is either consumed or disposed of as being ! f1 L f+ n" y2 Q( Z& W$ f Oexcess to all known materiel requirements. ( ?# b1 \ Z$ R' G(2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. 0 o) [# z0 s5 D/ s6 d. V: m1 O& MLife-Cycle Cost ! L& T0 p7 O9 ~(LCC) * N8 A. ]+ Z$ NThe total cost to the Government of acquisition and ownership of that system : J( I N7 H% ]" @9 a( _over its useful life. It includes the cost of development, acquisition, support and, ( [+ j% U+ L2 B6 s5 s8 kwhere applicable, disposal. * y: ~- C. V4 Z2 QLife-Cycle Management 1 l( [+ z% d& @8 O- }" tProcess for administering an automated information system or hardware support ( i+ H% q, S( c. k' \/ tsystem over its whole life, with emphasis on strengthening early decisions which ! _7 r7 _1 Z& S* D; I; a$ y+ mshape costs and utility. Life-Cycle Model A framework containing the processes, activities, and tasks involved in the * F0 ^. ~) O: f# P5 ~development, operation, and support of the system, spanning the life of the 8 D5 O8 i3 q/ a% |, i* b1 i' |system from the definition of its requirements to the termination of its use. Life Cycle of a Weapon System 4 X, t o2 V9 e' gAll phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and 6 c$ F( T5 Z; Ddisposal. 3 j5 B) x" i2 xLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket " S( e. R8 Y( x; V7 p9 j7 wcontains subsystems that perform power, communications, and environmental protection functions. 0 Z9 d9 k$ g3 E8 XLight Detection and Ranging # q3 Z* M9 A* X( D5 F/ g(LIDAR) A precision probing instrument used to measure concentrations of different 5 E) c9 b% I1 A. P5 }2 l& \/ ^gasses or particulates in a given amount of atmosphere.

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Light Replicas . J2 r5 x+ g! `4 A(LREP) - \6 G7 `$ H, L! F- u' k) C. [1 ]Decoys that, by virtue of shape, closely approximate an RV’s signature with little off-load penalty. 2 a$ ~! ]! ^ Z+ a5 mLIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L / R1 n* c% \0 J" L# G9 D166 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. 3 c8 u+ n! E9 `Limited Defense 2 {" n5 v# _) u0 `! }" z, _* W% Y' Q7 @System (LDS) The development of systems, components, and architectures for a deployable 0 v: M4 I/ o4 t. S; \3 f7 banti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile & ~- k( Q% N- J& V% a( w6 v/ cDefense Act, as revised) capable of providing a highly effective defense of the United States against limited ballistic missile threats, including accidental or ! Y" i8 A: I* i. \' Y1 Sunauthorized launches or Third World attacks, but below a threshold that would 2 I& ]9 `: } ]5 p# V7 Q& `bring into question strategic stability. Limited % L: q% H% s9 r7 Z& MOperational Capability (LOC) 5 M* d$ w6 I2 d: m8 o; x. r0 l) O% TA point in time when the first set of sensors and weapons can be employed to 2 L \2 y' g1 }! {provide a limited protection system. Limited ( B% E6 y8 j% Q7 v- }+ ?) N- R% oProduction # J1 [$ p, ]4 |5 EThe 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 6 ~, f! s+ L7 r% mfactories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also 7 q$ n3 e. S/ D3 r1 `% Kcalled Low-Rate Initial Production or Pilot Production.) X8 \! I0 i- C1 x2 x$ vLimited Test Ban Treaty 3 T' x7 |% J4 b$ XThe bilateral Treaty signed and ratified by the United States and the (former) 9 y: c2 V4 x4 ]5 j# fU.S.S.R. in 1963, which prohibits nuclear tests in all locations except % @& C8 E4 Q# u1 O" Yunderground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. LIN Line Item Number. Linac Linear Accelerator. Line Item . ^, r4 o. y! ^(Budget) & z( g+ s2 @! U, v3 QA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight ) u! P5 u. }+ i(LOS) + v& s9 T! e: {5 U H- QThe line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. Line Replaceable Unit (LRU) ( o6 u8 ]' r/ d) bAn essential support item removed and replaced at field level to restore end item * Y9 [6 i7 _, [7 a/ }to an operationally ready condition. (Also called Weapon Replacement & s8 S9 f! A, q( j( {& IAssembly and Module Replaceable Unit). 5 \* [7 [5 p; ?( [7 O3 f) x0 LLink-16 TADIL-J. Link Quality Evaluation This testing of links to create bit error estimates and monitors natural or induced 0 O+ Z% F+ ?5 u! F! f3 Slink interference. LIP Lethality Improvement Plan. 4 k' T" g9 o6 A+ _% w- dLiquid Fuel Booster (LFB) ( e$ w" A& |- DTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. " A+ g1 r9 h. J/ ?0 x) jLITINT Literature Intelligence. , `% M" `9 f' E9 kMDA GLOSSARY, VER. 4.0 L . [' z" C. s: h5 V$ o167 Live Fire Test ; b" N9 Z9 O6 v2 h* I4 A: J" lAnd Evaluation (LFT&E) Survivability testing and lethality testing required before full-scale production. 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 ( L# `5 _ }! `. g) O( }" Nthe user in combat); (b) a major munition or missile program; (c) a product ' b' L$ f2 R9 c2 f/ limprovement program that will significantly affect the survivability of a covered system. ( v$ W5 [6 T9 T TLIVEX Live Exercise. ( p- ?$ K n4 _( y$ f eLIWA Land Information Warfare Activity. , O1 {) z! X; z2 aLJ Life Jacket (BE term). LL (1) Lincoln Laboratory, Lexington, MA. * y9 _% y) J% |0 S- j0 o" O(2) Legislative Liaison. LLM Long Lead Material. ' ^8 E1 G4 d, J2 ]) y: U; B1 Q0 YLLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). 1 l! `8 b' }. F0 q1 i* Q9 f2 iLLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). # q9 f/ z$ _0 I0 j L1 B9 hLM (1) Lockheed Martin, a defense industry contractor. (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. 5 u8 ^ p/ p2 L5 i$ T$ z) uLMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. ; k6 v4 R& |. e2 m+ lLMIS Logistics Management Information System. LNA Low Noise Amplifier. / s! P# ]0 `. `' g& [LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. ) y+ A5 B1 f) {/ E4 P% P6 xLO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term). LOA Letter of Agreement. LOAD Low Altitude Defense. . k& P8 p8 |! F+ K& R; gLOC (1) Lines of Communication. (2) Lines of Code. (3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L 2 Q2 } x; m5 Q+ i3 I! ]3 U168 LOCAAS Low Cost Autonomous Attack System (USAF term). Local . f2 j' x( G/ O/ y( C& sAssessment of Engagement , g" I' M2 g: AThe assessment of an engagement by high-resolution fire control sensors. Local 6 c5 S0 G* D% \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 , G& v2 F/ g0 VProcessor or Element Processor Emulation. 1 `2 u" F" j2 M$ s" c: G. WLock 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, # U# h4 Z; r4 J4 Velevation). + y! u* h6 b1 x' e' ~LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). 2 A5 i8 ~' \1 C" M$ I9 QLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the 1 C1 v9 M- e o2 E5 I: }- Osame range. LOG Logistics. LOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. $ Y. s* F% f: ^& z- m) YLOGFAC Logistics Feasibility Analysis Capability. , r$ e4 Y7 w/ r6 _& pLOGFOR 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 1 b$ f& ]/ h6 V5 W- r. K7 aoperations which deal with: (1) design and development, acquisition, storage, 6 g3 T, i1 ~- n, nmovement, distribution, maintenance, evacuation, and disposition of materials; " n; ]4 x `* K/ X(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or # G' ~5 h% A- `% o8 D5 @construction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. : b9 G7 g) _7 n; oLogistics $ R/ k! @* k5 V JSupportability : g. j: _' y; D1 Z$ dThe degree to which planned logistics support (including test, measurement, and * K. V; |5 Q4 pdiagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow 3 w4 k Y& x" G# U9 dmeeting system availability and wartime usage requirements. 1 o/ ]' I% R# hMDA GLOSSARY, VER. 4.0 L ! G' f+ r. X5 A169 Logistics Support Analysis ; A+ R2 h/ ]4 R* K6 K* a) u(LSA) , m" o+ R1 ]- A* n% UThe selective application of scientific and engineering efforts undertaken during ! L6 Q! _" Q e/ ]+ }the acquisition process, as part of the systems engineering process, to assist in: & N! H- ]: u3 Q9 \) K x8 pcausing 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 F v& [9 e5 K1 z! W9 I; {# rphase at minimum cost. Logistics Support Analysis Record 8 H9 p$ v) s5 A A8 G; U(LSAR) ) g# q3 q4 T0 `+ C) j( `A formal tool under MIL-STD 1388-2A that uses records/forms to document 1 v- l. Y. g% W) c1 y6 voperations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. 0 H5 L6 ^1 u4 n) Y3 cLOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. 6 P5 e: I* k" f9 Y6 {& ^LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. Long Lead Items * h+ W4 t$ S, TLong Range Air Launched Target (LRALT) Those components of a system for which the times to design and fabricate are & a4 s) Y& S4 @# t+ W4 ythe longest, and, therefore, to which an early commitment of funds may be ; G, L5 S' ^' Z' r+ ~desirable in order to meet the earliest possible date of system completion. Two-stage, air launched ballistic missile target being developed for MBRV-4. Long Wavelength 5 C2 h% n1 l& hInfrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum 1 X P$ L' B% [3 I+ b1 uencompassing infrared wavelengths of 6 to 30 microns. # G; ^& C& i1 h E! NLOR Level of Repair Analysis (ILS term). 6 O8 d( d1 {3 T1 VLORA Level of Repair Analysis (ILS term). 7 T; w1 J+ I, [LOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. % A y. s5 m9 j& I, y+ y* h7 }LOW Launch on Warning.

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Low Altitude " |4 \3 z# A# g M! C J1 iDemonstration System (LADS) 9 e. T( B2 V& |1 }$ ]% O3 |* ?% m$ @Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program phase. The LADS will consist of a flight experiment and extensive ground ' G; s" D* N8 J9 ]demonstrations by Boeing North American. The LADS flight experiment will be 7 f8 U& S t* W0 E- Wlaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low concept and collect phenomenology data. Low Earth Orbit (LEO) ; p! k2 I( ^; r7 C0 ? Q9 bThese satellites are at altitudes between 100 and 400 nautical miles. They - J C' n! a7 V% S' Ihave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 ; J6 o4 J' K" w; D# M( Uminutes up to 10 minutes over a tracking station), short life spans, and are most subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low , D1 O' ?+ K- p# ]* KEndoatmosphere : ^3 P- C7 H. c) P/ h1 Y. MThat portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L / j- o U$ l1 S2 u& p170 Low-Rate Initial Production (LRIP) 6 f, y4 _# H; x8 \ a' }; _* z) f3 mThe 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 ) ~# g% a+ Q/ D4 Dupon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. 7 y6 T7 }" a4 l4 d. ELOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. 8 Q P! [, W# mLPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. ' b5 m3 c, w, I2 U/ P. r(2) Launch Point Estimate. LPI Low Probability of Intercept. 1 s. B0 S/ ]0 r- Y; }8 V3 `LPS Limited Protection System. LR Long Range. $ @" }& i; |6 g% L; O/ \ TLRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. 5 }0 @. J" b6 ?: J' kLRC Lewis Research Center, Cleveland, OH. / }* F0 s7 F' U% F( R. ~LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. LRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. & F# \7 y! I' E+ vLRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. % M- d) G" c! O. kLRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. 3 G3 s7 `+ _9 W! {+ l: B, Z+ @6 i+ jLS Launching Stations (PATRIOT). LSA Logistics Support Analysis. $ u9 C: j$ M* A |- w' O# z4 OLSAP Logistics Support Analysis Program. 4 B5 c+ n6 s! X- @6 @; MLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). - l+ m* E$ c4 U0 {- H: S! _0 @! M S5 ELSAT Laser Satellite. * {8 y- x* E. v4 `MDA GLOSSARY, VER. 4.0 L 171 LSAWG LSA Working Group. 6 T' T- l0 w7 p! ALSE Lifetime Support Engineering (ILS term). / v, G+ s4 E- h4 w7 C9 N# {: BLSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). 8 X0 ?& Q2 J) Z @( e1 {( cLSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. ( W: q+ |. Z& @3 _9 O1 j+ lLSTS Launcher Station Test Site. LTA Lead Time Analysis. LTBT Limited Test Ban Treaty. 6 t6 _0 V1 C. F) u4 TLTD Laser Target Designator. ; f4 U' H1 `6 @3 QLTH Lethality and Target Hardening. LTS Low Temperature Superconductor LTV Launch Test Vehicle. 5 s( j7 N2 q! JLU Launch and Update. LUA Launch Under Attack. 4 l) ~! Q) `% G- O- fLUP Limited U.S. Protection. # v$ w, N* A5 H+ {* NLUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. - b( j0 P$ k) j3 {LVS Loral Vought Systems, a defense industry contractor. % \9 a, u. b7 |7 C+ s9 r. P' HLVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. ; |) j4 F8 z1 p9 SLWAN Local Wide Area Net. * q' k0 `/ I* K" L$ p5 l) y' _LWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). 8 l7 m" ^0 Z$ z3 ALYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M : P% e& v v( `! S. m5 ?173 3 R5 @: |! G/ ?- _& @# m. ym (1) Meter. (2) Minute. : `6 _' h2 W' F" @% N/ e1 J( h+ E2 oM (1) Model. (2) Million. (3) Mega. - C6 k5 p' M$ U1 b6 [8 o# j+ MM&LC Missile and Launch Control. M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. + Q1 O) C' F+ {3 `$ {M/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. MAAG Military Assistance Advisory Group. MAB Missile Assembly Building. 8 X' [' g# V8 S) _) w* QMAC (1) OBSOLETE. Military Airlift Command. See AMC. (2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). ) j: b" w5 _" sMACCS Marine Corps Air Command and Control System. MACOM Major Army Command. $ e, M( g& N. I nMAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. MAE Medium Altitude Endurance. 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 to a specified condition. Maintenance activities include inspection, testing, 3 u9 @$ h* A7 t" N1 @0 R9 Iservicing, classification as to serviceability, repair, rebuilding, and reclamation. 0 b, W( `6 a4 h* g9 |Maintenance Concept/Plan . m2 K! P2 S& L8 q) o, k, _A description of maintenance considerations and constraints for w$ z* E5 ^4 J8 x( {$ z& V1 U& B/ U; }system/equipment under development. A preliminary maintenance concept is $ y& `1 U2 ~( n" H9 I" Tdeveloped 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 . I" f9 [$ J3 T8 A0 adesign of the system/equipment and support planned for it. MDA GLOSSARY, VER. 4.0 M + {3 u7 Y9 y% ]' i3 H174 Maintenance ; {( b' k1 L0 G9 l5 nOperations # j4 \9 ?+ y2 ^* _4 F' iThe corrective and preventive maintenance operations that do not require a 8 A0 C$ y5 y9 a4 W) N1 \deployment decision; it includes correction and subsequent validation testing $ E4 R4 _# \: B. e/ @6 |and the update of relevant status configuration, maintenance, and inventory : Q9 k# o: ], y" P3 @databases. ' m. f7 }/ m0 u3 j& F7 WMaintenance Planning The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements % z; f4 j' V4 s. B2 v5 b. Eof ILS. , O. T! R" c# s6 P6 fMAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). " v+ e" H5 t3 Y0 `7 }: c8 ~Major Automated 8 d0 u8 n6 ?# Y4 X! F, y$ XInformation System Review 7 S G5 a3 |/ ]# m5 d$ ]7 T1 k. xCouncil (MAISRC) $ t# R# [% O8 l, s. @' A1 tThe Senior DoD information management acquisition review board chaired by , K( \, X4 R! H/ C1 Nthe Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense Acquisition Program An acquisition program that is not a highly sensitive classified program (as " E j, `% @8 a% K jdetermined 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 " u/ k0 y7 E8 T+ L7 c3 r1 Y2. Estimated by the Under Secretary of Defense for Acquisition and Technology & B. p' F4 ?/ h3 q9 R" [/ Ato require: a) An eventual total expenditure for research, development, test, and evaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant 9 Y" ~# E4 p: tdollars), or b) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal 1 v n" \/ s& C2 P0 kyear 1990 constant dollars). ! P1 D' W7 l' J$ e4 \7 |. cMajor Modification 4 i( ]+ ~2 d( r# ]; ZA modification that in and of itself meets the criteria of acquisition category I or II 1 U) J& p; o. N. g( p, Dor is designated as such by the milestone decision authority. Major modifications $ M3 r( G1 N* Q/ Trequire a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. " X& @- J/ k- e/ XUpgrades are part of the Milestone 0 decision process. 4 Q. a. b4 a3 m/ a& a JMajor System A combination of elements that will function together to produce the capabilities O K9 J1 g7 N; E0 P$ ?required to fulfill a mission need, including hardware, equipment, software, or any $ x' H6 }: y V0 q5 Q; s, ecombination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the / ^" a; X% x) y6 v: kUnder Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and evaluation 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 L" M) Z( M- j- R; T7 I' J( s4 o/ ^fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 7 R9 ]4 K0 n& l1 T3 d4 _- L1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). + a/ k- R: \$ s- CMDA GLOSSARY, VER. 4.0 M 175 Mandatory ( v+ L9 @& {# S& T7 c9 B1 c3 ~! eAccess Control ( f r; t# V" H8 `6 ]! L( wA means of restricting access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal @2 i2 X3 y+ j( N/ ~6 ^authorization of subjects to access information of such sensitivity. Maneuverable Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when they enter the atmosphere, allowing them to turn and dodge rather than 8 O( X7 i }: H( afall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). Manpower 1 g# W! O* x3 b4 k- H" `Authorizations ! X; A2 ?% c" W) OThe billets in the manpower requirements structure that are planned to be filled. 8 @6 ]8 Q7 o a" t, N; C+ VManpower * P0 @' s: V; ?2 O" aEstimate Report 7 q' |, ]4 r' J: V' V# H(MER) An estimate of the number of personnel who will operate, maintain, support, and train for the acquisition upon full operational deployment. The Services prepared + e. |3 o, a2 G8 O# i$ Jthe estimates, and the SECDEF submits them to Congress 30 days prior to approval for EMD or production. Manpower, Personnel, 0 d% y2 u' H" j# k E! R& ^3 g1 [Training, and Safety (MPTS) The human dimension of the complete defense weapon system. The term 0 v2 c7 @* R6 ~7 f: Y+ Y3 oMPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. 5 g; L! J+ m' o* BManpower, 6 l% A, N6 o, ?$ {4 \* ~Personnel, Training, and 6 R+ C% l/ B- L m1 @4 {Safety (MPTS) i! f4 D+ v0 XProfiles ) r! Y( p2 Q+ a) R1 T; Y" M9 ^A description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions and categorizations of occupations, aptitudes, individual skills and - e) S. |1 R, \8 s# a6 J idemographics, training system characteristics and components, potential system $ ]3 ?) e q! g# ]% n4 _, |hazards, and other issues affecting the performance and welfare of operators, 6 K, L0 M4 F! X3 M: Smaintainers, and personnel that support existing, modified or new systems. 3 H+ z) Z+ z1 D* c# ^3 [. q! \7 w) BMANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. Manufacturing (or Production) , h6 \( J$ K" x+ x& I4 IEngineering 9 b& L+ `1 b7 {+ v3 b6 K/ vPre-production planning and operation analysis applied to specific product 7 S/ _& [' P9 ydesigns. The functions of planning, specifying, and coordinating the application ; }; `4 Q' J* wof required factory resources including: performing analyses of production 2 j. {. ]: l4 G' X5 M/ foperations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and ) g; I+ j- d1 J# ] H5 {+ zemploying cost control and quality techniques from the factory viewpoint. ) j# ~; u6 j0 i$ ~. O9 o; AManufacturing 2 I. p5 }9 n% pOperations, : F# e- `- D( }0 x; J8 s1 O- mDevelopment, and Integration Laboratory (MODIL) An SDS-peculiar integration mechanism to link product technology development & K* m/ d5 }1 gconcurrently with manufacturing process and control development for a costreducing effective SDS development. Manufacturing Technology * Y1 F6 s, n1 K( `, R( k(MANTECH) : \; ?& a4 ]! J& MManufacturing technology refers to any action which has as its objective the # k" ] S$ W: o. M6 Gtimely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, ' q, f9 W& X. R( i0 y4 ~! Zand the assurance of the ability to produce, reduce lead time, ensure economic # i) z8 {8 U, Tavailability of end items, reduce costs, increase efficiency, improve reliability, or to , M1 O1 ~! P ^" Cenhance safety and anti-pollution measures. MANTECH, per se, is the specific DoD program in this area. MDA GLOSSARY, VER. 4.0 M 176 ) g9 o3 ]+ o) RMAOC Modular Air Operations Center (JFACC term). [4 |. p) G% S% f6 J: E5 WMAOPR Minimum Acceptable Operational Performance Requirements. ! a& X5 W- ^4 tMAP Minimum Acquisition Program. . R+ w) D1 v& p2 c) UMAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and : {# J4 K% T' qControl System 7 k, |/ h) V J% m9 v0 RA US Marine Corps tactical air command and control system that provides the # U9 M2 b- y; ? J1 s& mtactical air commander with the means to command, coordinate, and control all 7 l* q, o$ J6 \) @7 Tair operations within an assigned sector and to coordinate air operations with 9 _' g6 Y" W& f5 B: W( w, q! rother Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual & q2 s6 m" Z2 y, x1 ~# Q2 tthrough semiautomatic control. 4 i8 F: _0 w' JMark/Markup Line by line review and approval/disapproval/modification of the defense budget + k, T3 y/ h% Y6 U. d) cby congressional committees. MARS Multi-warfare Assessment and Research System. $ ?- s4 `1 s" u1 Q* z1 a! VMARSYSCOM US Marine Corps Systems Command, Quantico, VA . x6 L j$ ^# k+ x7 ~8 I+ }MARV Maneuverable Reentry Vehicle. % v* H5 Z9 m$ r3 ~- D# tMARVIS Mid-Apogee Reentry Vehicle Intercept System. " `) S4 x9 Z- ~2 Y. `MAS Mutual Assured Survival. ( n# \: `7 J9 w" Y$ \& jMASINT Measurement and Signature Intelligence. , e8 W: z F1 FMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. , Y" J0 \$ A$ Y ^" i% KA mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation Model (SSGM). Matching 3 d; s9 w! e5 [/ _Ballistic Reentry Vehicle (MBRV) " ]! W/ D! e8 O- mFour reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. . l- G, O! E' GMatching Target Reentry Vehicle (MTRV) % Q; r" {. D* x ]) w7 p5 g8 \Threat representative reentry vehicle developed for GMD Program by Sandia ) D3 s. A* K' }( p% C$ {Labs. Planned for use on IFT 9-14. Material Fielding C3 U; @1 j, t4 L) T# d. O0 |Plan $ d0 a+ h9 G- V t, ^Plan to ensure smooth transition of system from developer to user. Materials Science The science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance 0 `6 Q1 U3 {: Y* q: ncharacteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. . c/ P! v& H0 y$ M, `MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. MDA GLOSSARY, VER. 4.0 M 177 Matra BAE " s# x) @! K {0 z, m4 u4 T5 hDynamics 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. MAX Maximum. Maximum Attrition & D- w$ u% f' H3 V9 WMaximum attrition is employed in a target-rich environment to destroy the maximum number of RVs, regardless of the type, by using all available or * G( a/ h, X' h0 Q. z# t4 q Ballocated interceptors. This option may not satisfactorily defend specific or + }9 z2 C" w0 p3 Trequired assets. MB Megabyte. MBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. + M n! L& S9 N8 ?MBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. 8 n2 Q+ Z0 }; c9 IMBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS + T, B* F9 U& D8 @term). (4) Military Committee. ; ]+ ?$ p8 g" v( O; H, R; DMCA 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. * b3 i% @. ^: C. J' e0 D2 }MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. 1 O3 Y( _ V( J- l6 IMCCR Mission Critical Computer Resources. MCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). 8 J5 T" _+ I0 BMCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 9 V$ Y( _0 L! P* o7 G178 + p/ d) A7 \# T) D% P+ H |5 ^9 ~! {0 wMCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). + U* X3 n1 v3 H! T, s1 d4 {(2) Military Construction Program. MCPDM Marine Corps Program Decision Making. ! F% I8 N+ x+ f. cMCRDAC Marine Corps Research, Development & Acquisition Command. " r# v/ C: y' s7 TMCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. 9 z3 P, M Q) ~/ H% E1 ?" }MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. 8 Q1 r) Z; k5 G& u2 \% G. _MCTR Missile Control Technology Regime. 5 V, K, E0 S# W7 K+ W/ OMCV Mission Capable Vehicle. MD Missile Defense. 6 ]: r) K' N: J0 T3 L! ^9 F4 B8 fMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. * ~: g9 {: n- q7 w+ _6 ?# F/ ^8 YMDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. 8 ?. S& C, L2 X( sMDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. ( R$ h. Q! z# H+ XMDR (1) Medium Data Rate (TelComms/Computer term). & q2 h8 v& l7 Y5 G/ I% V(2) Milestone Decision Review. (3) Multi-national Defense Research. ; o; q/ G- W, r! G- @MDSC Missile Defense Scientific and Technical Information Center. % S t7 y: A* k7 _2 EMDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. ! h+ r% W3 A( z& ?! T* \# d0 WMDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). ) W8 P4 ~5 v7 X- pMDA GLOSSARY, VER. 4.0 M 179 ( v" o& Q1 X# U- m9 M1 NMDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). 1 U8 R) ~3 ?* D# @ h8 K" RMDW Mass Destruction Weapons. 4 l( x/ m% H0 g1 e" o, YME/VA Mission Essential/Vulnerable Area & d; T3 Y |7 V; a- G0 m2 ?+ V8 aMEA Mission Effectiveness Analysis (JFACC term). * k w, F' B O# D6 [. O( OMEADS See Medium Extended Air Defense System. Mean Time Between Failures (MTBF) ( p5 x( H7 y( n2 {9 ^" FA 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 $ f1 }: o. N2 T( [' G: ^measurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. , K( B1 U+ k O: i+ W. b8 @ eMean Time To # P m5 r4 l# t, o! [Repair (MTTR) q2 q8 I) p3 U" w8 C. DThe total elapsed time for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. A basic measure ! J8 k6 c5 J" V9 W8 z+ n. Pof maintainability. Mean Time to Restore System (MTTRS) A measure of the system maintainability parameter related to availability and # J' k: h+ V4 Ereadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of % |# u* m4 C" c3 `- [: ktime. (Excludes time for off-system maintenance and repair of detached components.) MEASAT Malaysia East Asia Satellite. ; F3 n: d6 r% i0 a6 O1 ?( E8 _Measure of * R4 w1 f6 G& v+ k7 C# cEffectiveness 1 F1 |5 C9 z5 G) Y! q(MOE) 6 F% l0 c2 P% T }* h# t; U3 yThe quantitative expression (sometimes modified by subjective judgment) of the ' M' d* Q" D$ v) Esuccess of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). $ R$ R' }& _0 j: o! V- G/ z" IMedium Earth & f1 S3 D6 I, c, m" f) R" v7 vOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, 6 `! a, S) q( i$ Zlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes up to approximately 1 hour), and generally longer lifetimes. This region contains 6 p Y. S& K$ y" [5 X5 k3 Pthe Van Allen radiation belts where electronic components need special 5 |& h' C) {& q3 T, O0 Uprotection. Medium . C/ j+ d4 I) v9 w9 Y0 kExtended Air 4 |4 O* \* D8 [3 o/ f. b" ^Defense System (MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and . ~8 ^' B# C( B3 Q9 J5 n& Z- L4 pmaneuverable corps assets. MEADS superseded the Corps SAM program in 1995. 9 u. ?5 b# p9 d7 h5 FMedium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, " {' R) A/ }1 I5 W5 V1 r4 V0 Ttrack, and designate a target vehicle. Medium Range ( F! _( G0 r+ j- S; s2 oBallistic Missile ; j& m" R: J# f; y- R+ c' t, H(MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. ; B8 |/ B* O! [2 n4 Z0 |Medium % }; M2 {! j- R" CWavelength Infrared (MWIR) Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. 9 P2 I1 J$ I9 }; ^4 T1 hMDA GLOSSARY, VER. 4.0 M / U6 e* a5 |& V( f180 9 U) e$ |7 j# t, c) ^MEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). ) l' p2 ?; j; z& `MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. - M" P! S& d; i2 ]" kMemorandum of " m9 k" L5 l i& YAgreement (MOA) 4 V: E$ y5 R# A" R0 q$ ?" g5 b5 d4 v(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of + [" Z* J* s/ J2 a/ u4 N" H u7 Zresponsibility of the Contract Administration Office with respect to the $ ?( u1 w% w* I: S& W- y( ^% icost and schedule surveillance functions and objectives, and/or other 5 K% W, H; ^" _contract administration functions on a specific contract or program. 0 X; }8 b) N+ J0 X5 H; U(2) Any written agreement in principle as to how a program will be . b7 t" _9 ?9 M* @ N4 ?administered. / a0 u: L+ ^2 ~3 eMemorandum of ' }) x* f3 x& A: j5 V( U& O# T% `Understanding (MOU) % W7 N3 m$ V+ M) ?) Y; Z# BOfficial agreements concluded between the NATO countries' defense ministries / P; M( }% D$ bbut ranking below government level international treaties. De facto, all partners 8 X. u1 `3 w, U' Egenerally recognize such agreements as binding even if no legal claim could be based on the rights and obligations laid down in them. : j& I9 F( P) X$ [/ G6 D/ rMEO Medium Earth Orbit. N7 i0 P' }& p. oMER Manpower Estimate Report. E8 e8 j) I2 L' n" @8 ZMercury 8 r7 j- R9 C; [' jCadmium & ~! u6 y1 p8 Q0 e, u6 nTelluride (HCT) Infrared sensing material. , x; b! F, C5 Q |3 BMES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. Mesosphere 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 J) L% m' B5 s, ^, H$ k. ganalysis to eliminate every unnecessary element or operation and to approach 2 Q9 l1 R- d3 zthe quickest and best method of performing each necessary element or # X& n. L6 ]0 @5 Aoperation. 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 & k D! n% a1 @plans. METO Minimum Effort Task Order. ' l8 w+ I0 u# O6 ? [9 DMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. / l7 [8 t, e6 |3 ]3 @METOR Minimum Effort Task Order Requirement. ; I6 t/ {$ i9 ^$ vMetric (Software). An indicator, which measures some specific attribute of the software $ A: m, L5 G* J5 ydevelopment process. MDA GLOSSARY, VER. 4.0 M 181 0 x* p. k1 m$ l& e( x ^& wMetrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to 9 _) |0 L& f/ Ddetermine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. MeV Million Electron Volts. 6 @/ P) Z+ p; Z; j8 _0 _MEZ Missile Engagement Zone. . H* y6 R& ~. s1 o! M2 Q7 tMFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. + ~$ g5 T3 s- w, N3 m1 Z5 Z, ~9 YMFLOPS Million Floating Point Operations Per Second. 2 m3 k/ }( e& l3 @MFP Major Force Program. MFR Memorandum For Record. P9 z( Q9 ]7 y, e6 hMFS MFS Communications Company, Incorporated. ! f: k: y( n- S3 X% N' B" y8 [* ]# UMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. 8 L0 }# J7 t) x1 }, I) P5 cMGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. MGMT Management. MGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. 4 h$ p6 J) C8 u6 C$ V2 }MHV Miniature Homing Vehicle. mi 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). Mid-Course Defense Segment 7 \8 x3 ]3 u+ J- s1 v2 X(MDS) # o; O% n0 z: ^' n6 }, @9 }+ `The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. Midcourse Guidance / ^- ]0 {4 M8 G! r( e3 I B# X7 Q3 |The guidance applied to a missile between termination of the boost phase and " t2 a- `- w2 V4 ~; U- o, I' t- _6 Ythe start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M 9 y. }0 `' B$ w" i* }& Y182 2 P* O" G. o( {$ FMidcourse (MC) * W6 V# `5 Y' ~7 X PPhase / z3 R" ^& b: V$ hThat portion of a ballistic missile's trajectory between the boost phase and the + Q+ R4 D7 l% \% jreentry phase when reentry vehicles and penaids travel at ballistic trajectories 9 r& b2 c! w% C* ]# ^, o9 cabove the atmosphere. During this phase, a missile releases its warheads and , v$ Z4 o. y, y9 x5 e& gdecoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. ) C5 E7 _) P8 F+ q8 xMidcourse Space Experiment % w& G* ~! ]3 v2 L! W+ z d(MSX) ( Q6 k) `% {2 |$ D' I- LDesigned to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, 0 J. e( v; ~3 |/ o1 oetc., and collect background phenomenology measurements and target ; T0 \7 j2 ]. I" K2 u. esignature measurements. * R. G: |+ i2 ~: A6 SMidgetman US ICBM. - [- X1 I' u/ AMIDI Musical Instrument Digital Interface. ) i2 i4 O2 c$ y3 G4 v$ j* W, cMIDS Multi-Functional Information System (USN/NATO/Telecomm term). # o1 |2 y# \9 e% }MIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. MIL-HDBK Military Handbook. & Y. u& w& I+ t' h# EMIL-STD Military Standard. 8 u4 R/ m9 }3 r3 V9 u1 F3 \6 NMILCON Military Construction. . s* \5 r$ r; q" W p9 c( PMilestone Decision / W' u- F$ f& M7 xAuthority The individual designated in accordance with criteria established by the Under 2 y q/ b7 j/ b+ y+ Y! R# ?% VSecretary of Defense for Acquisition and Technology to approve entry of an - g8 a0 r+ W- s, {. @acquisition program into the next phase. Milestones (MS) Major decision points that separate the phases of an acquisition program. & i9 ]: K! c2 i8 z% u9 P* l! q' VMilitary Capability , Y, p- L7 d( p7 { ~2 f! F" zThe ability to achieve a specified wartime objective (win a war or battle, destroy a target set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and $ F" i \3 u/ N- m, xequipment; c) Readiness -- The ability of forces, units, weapon systems, or 9 W. T- u3 I/ e& s3 Lequipment to deliver the outputs for which they were designed; d) Sustainability * ?8 j$ ]: v* e S, [-- The ability to maintain the necessary level and duration of operational activity , o9 U; ?* M; b* s* b" a) Zto achieve military objectives. Sustainability is a function of providing for and 6 _8 {& S9 M% _! Nmaintaining those levels of ready forces, materiel, and consumables necessary to support military effort.