航空缩略语词典

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Kinetic Kill Vehicle % L- {0 y: }5 NIntegrated Technology : d" G a8 v/ Z" a7 mExperiment : y6 ^, E( p g( d. W" p(KITE) ! m7 n3 _! s" U# y WA series of test flights at WSMR to demonstrate HEDI technologies. : c$ w( e0 A. z3 d' `# d8 i5 ^' kKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated ) r* z8 W* ~6 V1 JTechnology Experiment. KKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. ; [) N: O- p: v$ ?KL Kill Level. Km Kilometer. 8 d' l9 U6 B) A/ m# v* @* eKm/h Kilometer per hour. Km/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. 8 I( x* l1 J& X! n i3 i) \; VKMR Kwajalein Missile Range. ( z$ m9 y7 J& z1 @0 n" sKMRSS Kwajelein Missile Range Safety System. 2 d/ l, W Q1 T, ^1 ~9 `KPP Key Performance Parameters. # ?: [. Z. @3 ]+ u0 U- wMDA GLOSSARY, VER. 4.0 K 159 $ U" F* j9 K; I; Y7 u" YKr Krypton. 6 \5 A' X/ O& `5 |KREMS Kiernan Reentry Measurement System. 1 H/ z# M X( ]. g6 nKSC Kennedy Space Center, FL. . y0 ^! g! y& O( ~- rKt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. 3 E. y2 C" [8 F4 n+ Y3 [Kts Knots. : p |7 I9 j8 F: \KV Kill Vehicle. kw Kilowatt. * h0 e8 k3 C/ `0 R9 pKW Kinetic Warhead. 0 g6 T5 T; o- PMDA GLOSSARY, VER. 4.0 L " L' ]2 X: x! }161 L&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. $ ]5 k- `, q `/ P4 y& Y" H9 ?) VL2SS Level 2 System Simulator - NTF. LAA Limited Access Area. , B, |: F; n$ X; [* ELAAD Low Altitude Air Defense. ! Z* |+ V& Z3 V7 d9 X9 TLAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner LAC Low Authority Control. - M. t' q; w+ V8 x; {$ ^LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). LACM Land Attack Cruise Missile. ! x( B4 X$ `+ n( p) JLADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. ) n( z- `1 G: ~! \) I( ^Successive salvos of salvage-fused RVs attack. The detonations of one salvo disable local ABM abilities so that following salvos are able to approach the * j K0 e( O8 ]* v' y; g/ f Rtarget more closely before being, in turn, intercepted. Eventually, by repeating the process, the target is reached and destroyed. 7 g; W* x r* B' e. a% o% ULADL Lightweight Air Defense Launcher (USA TBMD term). 5 z; L- g' A# k! r; T0 X: HLADS Low Altitude Demonstration System. . N. g2 n% t) a2 P8 tLAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. ( s8 k: g6 F4 p U. ILAN Local Area Network. ; C2 C z; G5 w( ILandsat Land Satellite (NASA program’s satellite). : w6 K( {9 J) O& ?4 d, D/ U3 FLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. 7 U7 d8 u% h8 q0 pLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. MDA GLOSSARY, VER. 4.0 L 162 $ F* v) i' B* r2 Z! V; ]5 \& A1 R' CLarge Optics The technology of constructing and employing mirrors over 1 m aperture to direct 9 d' T) Z8 M3 U! d/ Cand control high power beam weapons/systems with large coverage, or to 6 p2 C8 n/ h9 ]4 c$ Z4 X: [provide 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 & M. ?! ~1 r! }+ \9 Lmolecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. & q% Y2 G- Y7 ~8 U" H: `' n' e" BLASE LIDAR Acquisition and Sizing Experiment. $ ^! q- d* A# p4 zLaser An active electron device that converts input power into a very narrow, intense * W( ]8 `& R' |beam of coherent visible or infrared light; the input power excites the atoms of an 9 P: t p4 B5 l9 m, noptical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated ! z5 Y: W; E$ ?& mEmission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. 2 ?; Q" ^, S; {" R0 v+ L! Z* G7 {Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 3 x2 u$ E2 A- h/ C( D, t9 ZLaser Detection . `0 L( T" p7 dand Ranging (LADAR) ' S: m, n% E9 F' l: n) D7 q3 UA 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 ) {% Y# k4 p/ e& W8 Q6 Jbeam providing information on the distance and velocity of the target. Laser Guided / g; m2 V. K- uWeapon A weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance commands to a control system. The control system then guides the weapon to the point from which the laser energy is being reflected. * f" t& }4 o! }8 NLaser Imaging Radar , n1 ^* P! A& C+ t; B6 kA technology whereby a laser beam can be used in a way similar to the use of a radar beam to produce a high-quality image of an object. Laser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2. Laser 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 the receiver. See also laser guided weapon. Laser Target Designating System : X: J3 D1 k7 s8 _: L- I2 FA 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 8 t7 _8 r; w. G" s' Blaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated 9 \. o' H; U/ L. q$ c4 C4 oand defines the direction of the target relative to itself. 3 j9 C6 q8 O2 _/ I! lLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated 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 ! C* }/ f& k' @0 O163 7 S P" `/ n" z/ YLaunch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) ! M& ~2 ~: D0 X/ vLaunch Detection Initial indication by any one of a variety of sensors that a booster has been 9 a4 ]& ^6 x+ N' D- O4 b( E4 Claunched from some point on the surface of the earth, with initial characterization % n8 H) D% Z0 b& E" S+ Wof the booster type. (USSPACECOM) Launch Point Determination With computer methods, uses missile track observation to estimate the point on ' _) \ h* w' x) n6 q( v" }, ~the earth’s surface from which the missile was launched, expressed in terms of circular error probable. - ?5 L+ {6 [2 V1 B& w# E0 H* lLaunch Under Attack (LUA) Execution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. - N+ Q& n X/ H& ^Launch ( g- ~) b3 J- ^. o+ `Verification , k0 H3 Z4 ?( b7 f; p+ ]" cConfirmation of a detection of a booster launch by receiving a report from a sensor separate and independent of the sensor that initially detected a specific booster launch. Layered Defense A defense that consists of several sets of weapons that operates at different ( j; }6 t4 N- u! [& ]: W8 nphases in the trajectory of a ballistic missile. Thus, there could be a first layer (e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). ! R; Q& W" W, s9 s! l& N4 z% |! T% T) Plb Pound. 9 W- w# J3 t1 q1 f7 w, D& OLBL Lawrence Berkeley Laboratory, Berkeley, CA. 7 ]7 G) t8 O0 V; o4 V: eLBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. * f4 A0 _: m7 T8 M J) A# nLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component % m# y' v+ j0 A7 @Commander (JCS term). 9 r& x- m, p- I5 rLCCS Life-Cycle Contractor Support. LCF Launch Control Facility. 6 k, J" q& x T" o2 l% I5 zLCM (1) Life Cycle Management. + j8 P0 ^; Z5 D9 ^. U, h(2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). 2 r4 u1 y) G+ Q% x {( |% U6 {% j/ HLCOM Logistics Composite Model. LCN Logistics Control Number (ILS term). LCS Laser Crosslink System. ; M' g3 {6 e' o( v! f) |LDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited 0 P! p* J& w- q4 lDefense System. MDA GLOSSARY, VER. 4.0 L 8 T* k) l6 V. Q" |7 I1 E" V3 @. Y164 + s1 |; ?; v8 l+ GLE Lethality Enhancer (PAC-3). Lead Component/ Service ; F0 y8 e4 }: n" w" pThe DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint * B, X* d% Z' q: G9 F2 \program. LEAF Law Enforcement Access Field. - J8 s3 ?. o7 ]1 kLeakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. 7 v; z% B+ D3 t$ o6 iLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed 4 T ~+ B. _( B: e2 K# L) h8 [+ las a percentage of the design-to threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. ) Z6 o( p8 Y- ~$ l) GLEAP Lightweight Exoatmospheric Projectile. 9 t% ?; Y# w8 {3 }+ z pLEASAT Leased Satellite. 4 X; U" p! G3 N4 i. @! {Least Privilege This principle requires that each subject in a system be granted the most restrictive set of privileges (or lowest clearance) needed for the performance of ' x1 O7 U. {- c5 C8 Z- Z8 F& W- y- aauthorized 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. ( R3 [ i4 G, u5 ^LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. + @& |" z/ Q) z( Z* K0 [9 P I(2) Link Eleven Display System (USN term). ) r0 \. R' Q; j7 P2 F0 HLEI Low Endoatmospheric Interceptor. , b0 Y: k) x, \/ D( J" L% DLEIP Link Eleven Improvement Program (USN term). & z K$ a3 S3 l3 J. w6 K. [LEL Low Energy Laser. * J- E2 L, a: _! ] @4 QLELWS Low Energy Laser Weapon System. ' Y* X" }" r6 u, U3 M& J, p% s; ILEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. * M w4 u w9 Q9 e8 @9 w4 eLETS LWIR Environment and Threat Simulation. : \8 W a/ O& TLevel of Effort (LOE) Effort of a general or supportive nature that does not produce definite end ; _2 i* c8 ~2 w2 L# o: sproducts or results, e.g. contract man-hours. Leverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This could provide a favorable cost-exchange ratio for the defense and would reduce stress on later tiers of the SDS. ! |3 E4 y6 {( @: [ m' I0 Q! G(2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. ) @8 P. x4 l% ^2 \# w9 SMDA GLOSSARY, VER. 4.0 L ! n2 e& l% R! @9 u& P5 K165 * `# k% m2 |8 w0 O1 f0 ULFIE Live Flight Integration Exercise. LFOV Limited Field of View. LFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). LHO Amphibious Assault Ship. Li Lithium. 0 q9 q2 e0 _- y0 o* ]" R; l: @LIC Low Intensity Conflict. LIDAR Light Detection and Ranging. Life Cycle (1) The total phases through which an item passes from the time it is initially 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 . x# r0 y6 U. J# \! Cthrough from its inception until it is no longer useful. Life-Cycle Cost ' n4 j) a0 m; ^6 w' R(LCC) The total cost to the Government of acquisition and ownership of that system # Z* d7 t( u4 @" X5 F3 l q8 Pover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. 2 X4 c' I' p' M1 N9 {Life-Cycle Management Process for administering an automated information system or hardware support 8 j0 m& \; ^8 n% gsystem over its whole life, with emphasis on strengthening early decisions which shape costs and utility. & b" m( G7 V$ E. gLife-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 ; y! m6 K' k$ i1 [ ?" \system from the definition of its requirements to the termination of its use. Life Cycle of a Weapon System All phases of the system's life including research, development, test and 9 y- {0 ^$ o7 u$ N! q5 f# j& X2 gevaluation, production, deployment (inventory), operations and support, and 3 f2 H; V) @! o- Z) {; ldisposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental protection functions. Light Detection " U, s3 c+ r9 |0 yand 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 7 O+ U, M4 i6 T6 B- y(LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little . I% o: y9 x3 b5 q( x, K5 goff-load penalty. # s/ ~. s- e; WLIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L 166 # ]; w- X! Q; M; _Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is `5 m8 E/ e7 {geographically distinct. Not an all-out attack or mass wave. - u! m( O' H. \0 L' j- X% J! a$ xLimited Defense System (LDS) , \# U( N/ H8 r- }. OThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the 5 Y' s: H. T" T/ z/ O/ |1 i" eUnited States against limited ballistic missile threats, including accidental or ( x5 T% I8 y% Junauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. 3 v# M! e: _, {1 l8 W2 @Limited Operational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. Limited 3 t/ n& G D, C7 x2 @Production & K) a/ c! ?! D" S8 m+ v5 B' v; 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 usually made near the end of EMD or at Milestone IIIA or equivalent. (Also 6 `# x% e$ V( a1 } ocalled Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty The bilateral Treaty signed and ratified by the United States and the (former) U.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. ( _4 e4 t6 {9 M0 L+ A8 P* qLIN Line Item Number. . k: @2 L+ D* k6 Z& ^- u2 RLinac Linear Accelerator. Line Item " W- V3 a- H2 }2 x. l/ `(Budget) A specific program end item with its own identity (e.g., B-1B Bomber). 2 J3 ?3 \7 I& q9 u& p u( |Line of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. $ @7 p. [& U( y# G7 ^' \Line Replaceable & U' Z7 U: C" u. p" ?1 VUnit (LRU) * f9 y F; E f5 a: [0 s7 J3 _An essential support item removed and replaced at field level to restore end item " @4 ~# h8 w# v$ Z% I( W8 z: Oto an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). Link-16 TADIL-J. Link Quality Evaluation 3 j# o1 S( \2 V4 `" v! DThis testing of links to create bit error estimates and monitors natural or induced link interference. - s! c( j0 j( i: C- CLIP Lethality Improvement Plan. Liquid Fuel Booster (LFB) Target booster being developed to mate with current reentry vehicles and 0 d$ o+ ]8 V6 p0 K) d& k3 ~3 Pemulate the short/medium range threat. LIS Laser Isotope Separation. LITINT Literature Intelligence. MDA GLOSSARY, VER. 4.0 L 167 2 ~; _6 U! A0 V2 ]6 SLive Fire Test And Evaluation ' v2 o4 B- S) p(LFT&E) ' ?4 ?9 D8 J- l; O1 RSurvivability testing and lethality testing required before full-scale production. Must be conducted on ACAT I and II programs for: (a) A covered system (a ; ~/ b+ b8 a1 cconventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product 0 @8 h+ U6 h/ T9 w8 C, [improvement program that will significantly affect the survivability of a covered & @9 }5 ]( A: W5 isystem. LIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). LL (1) Lincoln Laboratory, Lexington, MA. 7 S3 O( b% u) J# C(2) Legislative Liaison. 0 C$ t: N: F2 O' V/ ^3 Q, o# CLLM Long Lead Material. + Y9 n0 Z T8 \, kLLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. ( f8 u C4 x- @0 d2 o(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. LMFBR Liquid-Metal Fast Breeder Reactor. * j6 ^+ T4 O+ oLMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. , K& f5 |! Y/ r. n; k, t0 cLNE Low Noise Exciter (Electronics Engineering term). w5 E* ? h3 M5 m, n3 C/ oLNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term). LOA Letter of Agreement. ! L5 u$ N1 z( F4 ELOAD Low Altitude Defense. LOC (1) Lines of Communication. ! k2 }$ H5 ?3 a(2) Lines of Code. : W9 g% h7 |2 |' y- P(3) Limited Operational Capability. % q& i7 D7 D5 S* j4 kMDA GLOSSARY, VER. 4.0 L , f0 M) B) `, ~& k168 0 @4 C; L4 W( S N: e; s: KLOCAAS Low Cost Autonomous Attack System (USAF term). Local k, I: j. R: i' ~8 uAssessment of Engagement The assessment of an engagement by high-resolution fire control sensors. Local ( z! ]* v5 O% I$ BEnvironment 6 v( Y( G$ m, v: {& {8 a* rThe ISTC Local Environment contained within each node simulates the element # u6 C& u) A5 B# {$ ?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 Processor or Element Processor Emulation. Lock 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, ' R; ?: m! p9 S u7 A7 Ielevation). LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). # K! F: o9 Y! C, rLOF Lifejacket Orbital Flight (BE term). Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. ' h/ t+ ]# Z$ ~1 `# r9 U6 |8 y: XLOG Logistics. 7 r3 @% _0 ?$ I9 YLOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. 9 s- Y) B4 S; ?; rLOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. / b4 H7 \' d3 T$ I* mLogistics 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, movement, distribution, maintenance, evacuation, and disposition of materials; # @% \6 }- Q* O s8 @: n(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 4 Q. c1 t% A% \( _4 Aconstruction, maintenance, operation, and disposition of facilities; and (4) 3 h* F5 ?) S& O, uacquisition or furnishing of services. # ~0 s3 h- m2 p) q! zLogistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. 2 D0 ^. L9 f1 B8 pLogistics 0 ]9 m+ Y( J: t# ^% @$ w. V$ ~1 b7 oSupportability 9 p: R/ E; s- t% KThe degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; & E/ L/ ~$ M1 y% E4 rtransportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. + G2 M$ @, H' o- nMDA GLOSSARY, VER. 4.0 L * h6 L k1 k9 ^- r. v$ T* U169 Logistics Support Analysis % S- J9 Z1 z: y/ y+ A. T(LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: causing support considerations to influence design; defining support - C) s& p9 y4 H; U) w0 |( s9 }requirements that are related optimally to design and to each other; acquiring 0 b U5 [( y8 U4 X3 y6 u% `3 athe required support; and providing the required support during the operational phase at minimum cost. Logistics Support Analysis Record (LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document " _3 D; y% }% M+ F7 I$ Aoperations and maintenance requirements, RAM, task analyses, technical data, ; k5 q- F0 @; N, g8 x3 Vsupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, and transportability. LSAR is the basis for training, personnel, supply 3 I$ i# ~5 j8 Jprovisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. 2 \+ c/ U0 y* q! I3 O' pLOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. . x7 m e, R1 {1 S; a, ~LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. Long Lead Items Long Range Air Launched Target 6 I/ \: o/ b$ O6 p* p' R(LRALT) / U- h* H* S- p' i2 x! e/ QThose components of a system for which the times to design and fabricate are the longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. 4 l; T. b9 G2 _! v$ Z3 v0 \Two-stage, air launched ballistic missile target being developed for MBRV-4. 1 P1 w# I7 {. v2 i1 RLong Wavelength Infrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum 7 R) j2 k% E6 n! o1 T8 R. Eencompassing infrared wavelengths of 6 to 30 microns. 4 Y; p- n. V& m9 c5 a9 wLOR Level of Repair Analysis (ILS term). LORA Level of Repair Analysis (ILS term). ) O' C* }5 ]/ f) j3 @5 ULOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude , j$ g( S, [ p8 M4 p# |/ d8 _/ u( nDemonstration System (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program ) C! D2 w$ ~) m# M1 zphase. 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 * E/ i8 Q1 n' |* ^! q3 mconcept and collect phenomenology data. Low Earth Orbit 5 w5 x! N& x6 V(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 , y T0 E9 d1 b( F" Qminutes up to 10 minutes over a tracking station), short life spans, and are most 5 \# E: {0 {0 _2 g7 gsubject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low Endoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 9 `6 O# ?6 a. K6 ?* HLow-Rate Initial 9 P! R& { z! wProduction (LRIP) 9 Z3 Q; o- B _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 9 o) L; h$ ?8 Korderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. , Q2 d2 w4 j$ J4 V7 OLOWKATRER Low Weight Kinetic Energy Active Tracker. $ f7 z9 T( i$ e% m, \$ NLOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. 3 e( X" @) Z+ f+ x7 E9 OLPD Low Probability of Detection. " D9 ?! O8 ?3 Y& P; P0 \$ Y- OLPE (1) Liquid Phase Epitaxy. % ? O' P$ z7 h& q5 q( N! t% y(2) Launch Point Estimate. * w" l; i, [$ ?" }6 b+ o- G% k! uLPI Low Probability of Intercept. LPS Limited Protection System. LR Long Range. 9 c R5 E1 N7 K& ]LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. 2 K; d7 j3 l7 ELRB Liquid Rocket Booster. ; n$ q. N* a/ YLRC Lewis Research Center, Cleveland, OH. " _0 h; B5 u4 O6 `( Z% [9 p8 lLRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. LRF Laser Range Finder. . P9 h, H+ [# Y4 O' a; o6 D) HLRINF Longer Range Intermediate Nuclear Forces. 6 B, [+ w. J1 O. ]7 w0 `LRIP See Low-Rate Initial Production. 6 D0 C. p: U' e4 p; ~LRIP-OT Low Rate Initial Production – Operational Testing. % }& T+ r& L, I3 A$ jLRTBM Long Range TBM. ) c/ K0 u5 g) J; lLRTNF Long-range Theater Nuclear Force. ( `+ o* m; ~/ o3 n/ \2 cLRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). LSA Logistics Support Analysis. # |0 h5 C: |, \LSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). / i9 ^. G2 l' I0 q5 y0 ` FLSAT Laser Satellite. 7 M5 `% q# _* z- DMDA GLOSSARY, VER. 4.0 L 171 # L. r [$ _ ]& ZLSAWG LSA Working Group. 4 K5 b0 m9 S+ {0 PLSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). $ m( N: M3 N- O+ c' r wLSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. 0 ]& ~/ L6 I5 x0 N$ e4 D# k! D2 b/ T0 O& TLSTS Launcher Station Test Site. , S8 M6 F8 U- g3 c. MLTA Lead Time Analysis. LTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. LTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. % y; s3 H1 P$ m# `LUA Launch Under Attack. LUP Limited U.S. Protection. LUT Limited User Test. 0 x' A6 _7 O" m- x) N$ jLUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. LVT Low Volume Terminal (USN/NATO/Telecomm term). 6 |; R W8 }1 s& v4 A: `1 ALW Laser Weapons. LWAN Local Wide Area Net. 2 T9 G# m, v- Z$ ~- zLWIR See Long Wavelength Infrared. ) Z0 n# a% M+ _LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M . ^$ y5 z& T4 c173 m (1) Meter. (2) Minute. ( Q4 A4 H3 f" h. t VM (1) Model. (2) Million. (3) Mega. 6 h6 A; h5 }, j% j4 ]1 j# `M&LC Missile and Launch Control. T8 [& B2 \0 W/ X" O+ f. LM&P Manpower and Personnel. + Q! H2 m$ G3 X9 p& [M&S (1) Materials and Structures. (2) Modeling and Simulation. ! n0 `- O) j8 t9 aM-T-M Model – Test – Model. ) k7 D% k. h( ?% f8 NM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. MAAG Military Assistance Advisory Group. MAB Missile Assembly Building. 0 i# t. I; D* }5 X/ T( Y: Z+ ^MAC (1) OBSOLETE. Military Airlift Command. See AMC. (2) Maintenance Allocation Chart. $ v# Y: K" [5 o: ?% LMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. 4 }! A2 K+ T! }' YMACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. 0 l! s) n4 z: |. G) f- mMADCAP Mosaic Array Data Compression and Analysis Program. ! A$ c! m. l- P' O; m, I! v# ^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. - i+ h# F% S. vMaintainer An individual responsible for retaining the major defense system in or restoring it & B1 ?2 X6 a7 K1 l% @) @. @to a specified condition. Maintenance activities include inspection, testing, servicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance 0 f8 F# G1 F) ~$ xConcept/Plan * J* d' t) l# Q& b" [8 V+ HA description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is - r# E `, d8 a6 M% wdeveloped and submitted as part of the preliminary system operational concept 0 _' o+ u* @2 e3 @ S2 `( ffor each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in design of the system/equipment and support planned for it. MDA GLOSSARY, VER. 4.0 M 174 ( f: E: s4 M* z; N* CMaintenance W9 v4 y- X! ~! `3 {; u' q4 ]Operations ' s# U9 m5 k; a ~The corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing / a/ D$ g4 _; Fand the update of relevant status configuration, maintenance, and inventory 7 J7 ]# K/ v! b9 e9 W8 x) \databases. $ n: V9 Y# S& ?" `5 h, U5 MMaintenance Planning 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. ! T5 B( |8 ^' r Y. G9 t/ x! SMAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). Major Automated Information + i* _' n3 t7 F6 Q3 i' H# ?System Review 7 E% e4 u3 |4 QCouncil (MAISRC) The Senior DoD information management acquisition review board chaired by 8 y" i Y) z4 ~8 P! uthe Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense 2 \7 z( z2 D+ T+ G+ M4 W" e% cAcquisition . Q; a' i" M* g, Z: eProgram An acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or 2. Estimated by the Under Secretary of Defense for Acquisition and Technology 9 z# j" ]/ P% h- qto require: 7 u6 k7 Z/ k% k# {7 X0 |5 N; Ta) An eventual total expenditure for research, development, test, and . k8 o/ p: b& @evaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant dollars), or b) An eventual total expenditure for procurement of more than $1 billion 1 M+ N# t2 i8 ?* p0 e" |$ Z1 Xin fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major - A" x4 @: x% e' Z$ D- pModification A modification that in and of itself meets the criteria of acquisition category I or II 8 j( X- i: _% @- `or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. 5 Z8 P G9 f S. V. }8 k0 tUpgrades are part of the Milestone 0 decision process. % T0 V# v D7 f2 V/ Y0 lMajor System A combination of elements that will function together to produce the capabilities 7 l! J D% [! R: o ~0 z/ J, Crequired to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real ; z' U- T' S9 \) \( Tproperty. 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 7 W7 P7 U& ~& Jevaluation 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 + d" K: \6 g; K8 U4 ?1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). 4 ?! T# t) u: c" v* y dMDA GLOSSARY, VER. 4.0 M 175 Mandatory Access Control * n5 y8 F# |) N. ^, S4 h6 p( hA means of restricting access to objects based on the sensitivity (as represented / a2 |% \4 R/ ^7 nby a label) of the information contained in the objects and the formal ! X- Z, W) \/ q5 g3 tauthorization of subjects to access information of such sensitivity. 3 x5 A6 p& z" ~+ T2 RManeuverable Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the $ d7 Q6 X4 U! _. M7 ]& Jreentry 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. ' g; A7 g4 P" tMANPER Manpower and Personnel ILS term). Manpower Authorizations 5 x. b: Q5 n4 y a$ ^4 ?/ I3 CThe billets in the manpower requirements structure that are planned to be filled. ! D* E, o7 N' f$ _; S8 uManpower - }2 s l V- ^: p ]' n7 eEstimate Report ! ]+ T, ]' Z2 d: e7 h5 ~(MER) An estimate of the number of personnel who will operate, maintain, support, and 1 l; b+ l; }, Z: {$ f5 Vtrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to / {( I) R" q2 V( `approval for EMD or production. ( V4 \' M; \9 T h# dManpower, 1 I. z- |+ y* Y: Y/ d) bPersonnel, , A* B* Q! g1 r0 {2 q3 a! U+ [Training, and Safety (MPTS) ; ~* z3 P6 x; F& Z DThe human dimension of the complete defense weapon system. The term 2 B( j6 ?% K5 P# WMPTS also encompasses the concepts and disciplines of human factors ) n5 w3 A! }2 f9 C7 Vengineering and health hazard prevention. Manpower, 6 H$ p3 L' v, i- f! vPersonnel, ' |3 q8 [/ D" }, b2 X: _Training, and # y5 r- g9 T7 ?6 { u! uSafety (MPTS) Profiles % e8 u" X+ f" T1 q( l! V; i$ LA description of human dimensions and constraints involving a major system % f! K. F3 ]% w) t( ]6 Tthroughout the system life cycle. This includes, but is not limited to, descriptions Z. O1 o% s" Y" Y7 m* _and categorizations of occupations, aptitudes, individual skills and ( @( D$ T6 L* {0 h7 l6 ?demographics, training system characteristics and components, potential system j- a, M6 b+ i' ?5 ^hazards, and other issues affecting the performance and welfare of operators, . Q0 y# a2 i) k/ F2 m4 jmaintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. Manufacturing (or Production) Engineering Pre-production planning and operation analysis applied to specific product designs. The functions of planning, specifying, and coordinating the application , q% N3 U4 {+ ^ W _0 `$ p; A; aof required factory resources including: performing analyses of production 1 R2 s. |0 k0 i1 q9 ~operations, processes, and systems; applying new manufacturing methods, tooling, and equipment; controlling the introduction of engineering changes, and employing cost control and quality techniques from the factory viewpoint. Manufacturing Operations, Development, # Y9 R- S3 L, R% ] _, h' Kand Integration 9 P. s7 y% |5 SLaboratory (MODIL) 1 j7 I7 y+ g; F/ R, kAn SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. Manufacturing 6 y; v5 y6 g2 i8 t* p& RTechnology (MANTECH) Manufacturing technology refers to any action which has as its objective the # e! V" \5 c3 _" }/ utimely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, 0 s! C3 P/ Z9 c% b! p7 T* q+ Yand the assurance of the ability to produce, reduce lead time, ensure economic 1 Z! h2 _, P8 A! g+ kavailability of end items, reduce costs, increase efficiency, improve reliability, or to 9 a; Y) W9 u v! m% ]enhance safety and anti-pollution measures. MANTECH, per se, is the specific $ n' `) m! H) P4 D" bDoD program in this area. MDA GLOSSARY, VER. 4.0 M 176 & A" v! h7 g) t! wMAOC Modular Air Operations Center (JFACC term). 2 {4 k+ ?5 f9 E- `5 MMAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. ' ]2 ?# n' i+ J3 Y" l5 sMAR Monthly Assessment Report (BMDO/POC term). / k) J, _' l1 R4 U4 XMARCO Marine Corps.

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Marine Air Command and ' z! {* B* D) @# }2 _- u8 cControl System A US Marine Corps tactical air command and control system that provides the & Z: U- o- E8 E1 C3 a% w- Vtactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with , |6 t; [- {" {1 E) _: yother Services. It is composed of command and control agencies with ) }2 p+ ^1 d0 vcommunications-electronics equipment that incorporates a capability from manual ; L4 Z C6 O1 L7 @' xthrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. 4 f: G! H# Z8 RMARS Multi-warfare Assessment and Research System. 7 G( R# V& \: N* x, HMARSYSCOM US Marine Corps Systems Command, Quantico, VA . |% ~& F0 n: I% l/ Y0 L* _MARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. 3 g1 `, o& p H. `1 YMAS Mutual Assured Survival. * ~0 ~+ F5 i4 D; |, fMASINT Measurement and Signature Intelligence. 8 z6 M1 M* a: i; L) mMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. * @. c2 a9 n4 a# X# q4 K8 UA mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation * m- ~; i1 D: E3 OModel (SSGM). 5 I1 S/ S/ t# w6 NMatching 7 A9 v) o2 v: z) c# [& ?Ballistic Reentry Vehicle (MBRV) ; p6 M2 F6 u' Z+ kFour reentry vehicle designs (MBRV 1-4) developed to serve as threat 6 C9 ?' e: e0 x4 rrepresentative theater targets. % j( H+ _1 C- d8 d. s# Y( mMatching Target Reentry Vehicle 3 `4 |: z7 k. t! z; [* P(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. Material Fielding % N8 N: z* C4 T8 V8 R+ O+ k7 XPlan 1 l2 b2 `$ Z9 \ BPlan to ensure smooth transition of system from developer to user. Materials % F0 F& {% m! @Science 6 g8 B4 L& D# a6 ~* ^The science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance ! C; h6 O3 c. G/ I; Mcharacteristics. (See Structures.) Also includes applying state-of-the-art " J3 n* V, k5 N: P8 k/ y2 h- N2 y, Ladvanced materials in the design of new SDS components and end items. : [+ W. g0 \: B. i6 a/ _. g/ TMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. MDA GLOSSARY, VER. 4.0 M 177 ( r7 I* W, M: I+ _/ mMatra BAE # U5 ~5 J7 {, C6 \' d7 {Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics ) e. b' n. L4 @/ `( Uand Matra of France. 5 m( y1 G2 `$ I: h L- {MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. 8 A! K: k+ h4 Y. s! R" CMATTR Mid And Terminal Tiers Review. MAX Maximum. Maximum Attrition Maximum 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 , |- c K' J; q( q+ j! Grequired assets. MB Megabyte. MBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. 7 G4 k: V, M2 o! i3 jMBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. 5 v6 L4 x+ e2 fMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS term). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). % q/ x6 U" Q. j2 Q3 V) fMCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. x# ^" P! i2 n$ \7 u# u7 E, t- q9 c+ eMCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. MCE Mission Control Element. & z; I7 e% K2 q. K0 r Y/ @( MMCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). , D. j; D- A9 [* {MCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 178 1 L2 f- i$ g6 }% H7 uMCOTEA Marine Corps Operational Test and Evaluation [Command]. ( `. F* W$ R% h3 X5 I+ G3 j+ E" \MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. 9 p( w/ q* ~2 q5 \MCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. $ k U, t: T" s) F8 PMCT Mercury Cadmium Telluride (cf. HgCdTe). 4 ~! z$ v% D4 V" KMCTE Mission, Course of Action, Task, and Element Control Directives. 6 r% B' D2 ]! dMCTL Militarily Critical Technologies List. $ |) B% x) X( G" w2 VMCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. MD Missile Defense. , [/ w* `+ y; E/ a0 w% I) MMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision 0 I0 v1 e: P0 O7 | oAuthority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. + q+ \1 b6 u) Q; K8 g+ @7 YMDAP Major Defense Acquisition Program. $ J6 l; b8 U u8 jMDART Missile Defense Activities Review Team. MDBIC Missile Defense Barrel Integration Center. 7 i! Y4 u7 x$ i `MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. 4 A! h0 D4 o7 ?, J: B/ |MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. (3) Multi-national Defense Research. 1 n0 U% D! A7 _" sMDSC Missile Defense Scientific and Technical Information Center. MDSTC Missile Defense and Space Technology Center. % z6 w, U& C3 ]( UMDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). 4 K4 N R) \: Q% r: p- L+ [' AMDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M / A. Y% T# H& D# W% s U( Z1 ~179 MDTOR Mean Downtime for Other Reasons (ILS term). 7 [3 E' |& c& ]% XMDTT Mean Downtime for Training (ILS term). - W7 c% E0 K& c. J7 I9 O3 Q1 b. K QMDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area 7 {- D! U) U7 E* P7 X/ WMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time 0 _' P& e$ k( Q2 p3 I% VBetween Failures - K0 `0 L/ V5 a(MTBF) " E0 L. {' L1 g* h" UA measure of the reliability of an item. Defined as the total functioning life of an 6 n# m6 x6 D/ H* L% N1 aitem divided by the total number of failures within the population during the * v6 v- i) l9 p8 b* |0 Imeasurement interval. The definition holds for time, rounds, miles, events, or / k2 P; e- I! w1 B, n \& e7 E: f' Dother measures of unit life. MTBF is a basic measure of reliability. Mean Time To 6 o- Z6 h3 y( {) p2 s& L- X; URepair (MTTR) 7 I& W3 b) h2 C; vThe total elapsed time for corrective maintenance divided by the total number of ( g8 o g& Q! r; c3 Bcorrective maintenance actions during a given period of time. A basic measure of maintainability. - T& ~- r6 _7 ]0 l6 ]. T( W9 \Mean Time to Restore System 0 ]( o& z0 J9 O; s: Z(MTTRS) 4 J% q2 p( d- g- Y* C: d$ }A measure of the system maintainability parameter related to availability and ' ]4 B2 P6 F! X9 preadiness. The total corrective maintenance time associated with downing - C+ u; g! ]' m0 a! Mevents, divided by the total number of downing events, during a stated period of - O$ L5 C. T6 h9 a0 rtime. (Excludes time for off-system maintenance and repair of detached components.) MEASAT Malaysia East Asia Satellite. 8 y5 s8 x, U: y/ {4 ~ QMeasure of ! S) d3 S7 d. o2 q9 GEffectiveness (MOE) ; n9 B2 B, l$ s$ WThe quantitative expression (sometimes modified by subjective judgment) of the 3 \/ n# E I) X9 ~; B4 R! msuccess of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). 5 c' r4 _% J7 IMedium Earth Orbit (MEO) 9 ~: z" t0 R, g6 P% R! }+ hSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, longer duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes ) X1 X2 r6 ?- }5 Y7 ] G, Cup to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special 5 q0 j; R; Q* s0 Q7 `/ |- aprotection. Medium Extended Air $ i, L0 i. V& {$ r; x' v7 o. mDefense System ! [, f" p5 t2 P3 O- W' Q(MEADS) $ j$ q, | }& l. NA lightweight, highly transportable, low-to-medium altitude air defense and 7 {* x( \3 i* Y' J) ?theater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in " s/ v7 w3 r9 F) L1995. , j4 H: F: s; o! v$ X* eMedium Power 3 {0 R- a) z' A; `" ILasers Lasers that radiate power less than 1 MW, normally used to detect, identify, 2 b+ F) n* I( Z) f& t- o& @4 b4 } Ytrack, and designate a target vehicle. Medium Range 3 z1 g3 G& X; Q* _& E8 eBallistic Missile 6 m/ b& n9 }* j(MRBM) " B- i y" s" P* |% L% R0 Q9 [A ballistic missile with a range from about 600 to 1,500 nautical miles. ; u% F* Y& `8 ^- y- H5 CMedium 0 y x$ h9 j1 k a6 x8 X: Q7 R, D8 wWavelength * X) \1 T) g+ [Infrared (MWIR) , o$ S+ z- y/ U0 FThermal radiation emitted by a source in the electromagnetic spectrum : ?0 p! q9 v+ Z: s7 n8 Kencompassing infrared wavelengths of 3 to 6 microns. ) w4 m* z, v, z7 a. d5 [$ V5 l7 d+ yMDA GLOSSARY, VER. 4.0 M " g! D$ Z5 y! _/ \$ j2 j g180 9 A% D7 i% Z, AMEF Marine Expeditionary Force. MEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. 9 w. b9 d" @, g+ ^. Y/ hMemorandum of Agreement (MOA) 9 \' I- m5 H( u' Y(1) In contract administration, an agreement between a program manager ' X6 Q" e% @* Y* S% H8 \! c# Gand a Contract Administration Office, establishing the scope of responsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other ) r0 E* x) z' C; N% e" V7 D" pcontract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be administered. Memorandum of Understanding 1 \" }5 ]' V7 G1 S7 G7 x(MOU) # z. _/ O- Y: A8 n! cOfficial agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be based on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. $ J1 q o+ _/ S8 J7 Z: R! C' R+ IMercury ( g% T# C- W: D% B/ j% K* wCadmium Telluride (HCT) * p7 N3 d/ q ~ F/ i8 f0 ^Infrared sensing material. $ n: o; t, e4 G6 |0 v3 @* WMES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). ; ~& L! t& k7 O$ d! r# cMESFET Metal Schottky-Gate Field Effect Transistor. ) H" b7 ~! p. p* a' G$ DMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods 7 Q; k7 _! J X; w8 A' ]Engineering # a# G/ O# {- V( JThe technique that subjects each operation of a given piece of work to close / Z" A' c1 D! |: ~+ @. qanalysis to eliminate every unnecessary element or operation and to approach ; G$ X* q9 n% I1 ^2 `, ?the quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, 3 B% ~+ Z" X* N* t' vequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. $ v& T: k, m! w% j" AMETO Minimum Effort Task Order. : D5 t9 O& ? A: QMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. % s! O8 n5 b1 ^) P8 fMETOR Minimum Effort Task Order Requirement. 0 H6 `$ b j9 j6 g# F; p9 CMetric (Software). An indicator, which measures some specific attribute of the software . `5 p8 W& ~, w6 d# Sdevelopment process. 6 y! U, p" v5 u" I; aMDA GLOSSARY, VER. 4.0 M % T6 J$ C* R# D181 $ r* p+ `8 o# `% LMetrology 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 ; q" i/ [; n5 I3 p6 T& a: Tstandards and systems for absolute and relative measurements. 3 [, [% v L4 vMeV Million Electron Volts. 7 {" o9 Y2 b5 y( cMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. ; T, J/ _6 f; P: G" _$ m" gMFLOPS Million Floating Point Operations Per Second. 8 g5 E0 ?' r( U( vMFP Major Force Program. % H* `/ o7 j% cMFR Memorandum For Record. MFS MFS Communications Company, Incorporated. ' L6 H, c) @/ o4 l! y. I4 WMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. # T% N/ u* x& K0 |7 L) s- I3 MMGEP Mobile Ground Entry Point. ; N) d7 ~ S2 q- a& vMGLI Midcourse Ground Launched Interceptor. * b' S: @( |+ h8 {& Q! ]MGMT Management. MGTS Mobile Ground Telemetry Station. 3 E/ `' g% B0 D& t5 aMHD Magneto-Hydro-Dynamic. : K7 s [* U# U& w7 t- `+ t( YMHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. 0 K l: n- I; X$ ]* m! k3 imi 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 8 G1 D N( c% Z4 y& J/ s7 p, QDefense Segment , o# O# X" J0 i& f(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. : ?8 Y0 l, n$ k9 O; z" @2 y& |* J) DMidcourse , v8 f3 G9 g7 K" pGuidance * {& Y M4 M: a, m/ ]0 h; gThe guidance applied to a missile between termination of the boost phase and ! s0 C: d8 H5 ~) L3 g$ m# \5 H6 rthe start of the terminal phase of flight. : i" R# S% |5 bMDA GLOSSARY, VER. 4.0 M ; o D& `" e$ a0 w' B: Q: v182 Midcourse (MC) ) V# s$ r$ S4 c+ MPhase 8 M) b. n' W, g4 |That portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and decoys and is no longer a single object, but rather a swarm of RVs and penaids 2 ]' L) o. e7 Q, K. q) T4 L, X6 e9 Ufalling freely along present trajectories in space. Midcourse Space ) i, O! L( g1 y0 a. I1 V# I PExperiment (MSX) ! ?5 `/ [/ \+ A2 ~7 A2 F0 nDesigned to provide demonstrations of midcourse acquisition and tracking from 0 R: }& k/ \( ~space, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target 9 k- u' u7 p2 K2 J6 ^6 Psignature measurements. F; G( P5 v' g/ _Midgetman US ICBM. 9 c- e0 V" z p- sMIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. $ C5 K5 |3 ?7 u$ mMIJI Meaconing, Intrusion, Jamming, and Interference. 7 @/ v8 G# {8 J8 O( u; c# fMIL Man-in-the-Loop. ' b; }6 |" t4 F/ Q. M5 bMIL-HDBK Military Handbook. MIL-STD Military Standard. MILCON Military Construction. ' d7 P7 r6 [+ D) `Milestone Decision 8 k: K# D! K. u' |! hAuthority 9 h$ l1 a! U+ y8 K: O0 gThe individual designated in accordance with criteria established by the Under " \4 @1 P! `+ XSecretary of Defense for Acquisition and Technology to approve entry of an 5 \0 Z( l! L) ~acquisition program into the next phase. " i, I* Z/ ~2 m6 x( q! fMilestones (MS) Major decision points that separate the phases of an acquisition program. Military Capability The ability to achieve a specified wartime objective (win a war or battle, destroy a 7 J% V K5 [$ o' o" P+ Xtarget set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability -- The ability to maintain the necessary level and duration of operational activity to achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary to support military effort.