航空缩略语词典

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Kinetic Kill Vehicle 9 F3 x0 ?# M: A* A9 s, mIntegrated ( S6 Q" }; j9 y+ ITechnology Experiment ; b' j# K# ~* f O9 V' v4 Y# K(KITE) A series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated ; _7 A7 V4 z3 X6 Z' Z: eTechnology Experiment. 7 P3 O. ?6 `; X3 G& TKKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. 0 c- v* T- [; U. V( R; EKm Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. KMCC Kwajalein Mission Control Center. * u4 M8 |. ~8 G R4 OKMR Kwajalein Missile Range. ! }4 ^4 I1 m) F6 `' H8 |KMRSS Kwajelein Missile Range Safety System. 3 a+ h X! S% b% l$ g! cKPP Key Performance Parameters. MDA GLOSSARY, VER. 4.0 K 7 W& ]1 ~/ G: a/ `! m; {$ \159 Kr Krypton. ; l& l% W& i X+ j2 v1 B7 a4 I7 IKREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. ; @; _" \% w* H8 uKt Kiloton. KTF Kauai Test Facility, Barking Sands, HI. / D1 _: o8 C4 c4 F& a) a! bKTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. KV Kill Vehicle. kw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 1 ^9 o/ H6 @: ]" z7 ^ ML&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. $ D q# F9 l' S' j% R& SLAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. LABCOM Laboratory Command. LABM Local Area Battle Manager. * W; s" r4 \5 C6 j9 LLABP Look Ahead Battle Planner LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). ' V' v$ T( S, rLACM Land Attack Cruise Missile. - k7 A/ `& X9 B# H1 FLADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. Successive salvos of salvage-fused RVs attack. The detonations of one salvo $ R( F4 ]4 s- G/ r0 kdisable local ABM abilities so that following salvos are able to approach the # n R5 f* B! F. t( q, ntarget more closely before being, in turn, intercepted. Eventually, by repeating 0 ]+ i4 C3 G: Y( t- Athe process, the target is reached and destroyed. , M- k/ I0 n( ^4 T5 X0 N1 uLADL Lightweight Air Defense Launcher (USA TBMD term). * [- ^% s$ a. L6 p+ g. eLADS Low Altitude Demonstration System. LAFB Langley AFB, VA. * ~+ o4 t( u5 P4 g8 O) TLAMP Large Advanced Mirror Program. LAN Local Area Network. : u; _! r" O1 nLandsat Land Satellite (NASA program’s satellite). LANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. 3 {- {% X3 f4 nLAPL Lead Allowance Parts List (Navy term). ( l- O* U: y7 u& jLARC Langley Research Center, Hampton, VA. 5 [2 c {7 M- H& b- _8 |MDA GLOSSARY, VER. 4.0 L % p, d8 r# j* g# j. m1 A9 q162 Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct # t8 F* P6 _4 X) _+ P5 C) r, Pand control high power beam weapons/systems with large coverage, or to : Q M2 x# l" ?+ @- d: Z/ mprovide 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 : ^6 P' b: Y3 E% z$ G( _. ]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 7 k5 z" v" r% f) y0 }ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon " f6 E* |' m4 s8 ichloride, krypton fluoride, and selenium, to mention but a few. : Q) W$ {( T% R& @( ]LASE LIDAR Acquisition and Sizing Experiment. * c3 [& w1 L; G. ]. HLaser An active electron device that converts input power into a very narrow, intense # _0 o- K" W1 ^. |8 Y4 i0 \: @ fbeam of coherent visible or infrared light; the input power excites the atoms of an ! T @- r0 O: @% d2 ~8 Q; Soptical resonator to a higher energy level, and the resonator forces the excited $ z/ F5 w; M& s# k5 y5 tatoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 8 B' h+ o# a& g9 pLaser Detection and Ranging 0 D$ r0 |! u# Y+ y- S(LADAR) A technique analogous to radar, but which uses laser light rather than radio or 6 c8 q- \8 ~* S5 V6 W7 P: D- C2 ^* xmicrowaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. % n) L. l+ |% y: k! lLaser Guided * ?4 S# ?# R9 Q% j' V) HWeapon / u' J) d9 d& @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 K8 X* P1 ^' {6 o% V( f& {the point from which the laser energy is being reflected. Laser Imaging Radar 8 N, }2 j$ L2 m8 J/ f4 i+ }A technology whereby a laser beam can be used in a way similar to the use of a 2 u* h$ V6 b% p/ |0 l; a, Pradar beam to produce a high-quality image of an object. 3 P' Z, M- c3 y* T) q0 cLaser Optics Technology associated with the use and control of laser beams with flux greater $ f- ?) y w2 [3 _$ v- I5 Uthan 1 watt/cm2. ( d4 U3 A1 w4 T7 HLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected 0 u+ S4 f) \; [% C% \from a laser designated target and defines the direction of the target relative to ' A/ [3 n, a& S; W. ]the receiver. See also laser guided weapon. 5 R! @9 A1 J: I3 PLaser Target Designating System % Y( @3 i9 b, u6 h2 \8 l" NA 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 " g, o( _/ W' t+ C4 k. }( Rcontrol components necessary to acquire the target and direct the beam of the laser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent W8 ]. a5 w/ v2 I! ]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 ; {& N" O. o* w7 {3 [( x) S2 A' s/ x163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) Launch Detection Initial indication by any one of a variety of sensors that a booster has been launched from some point on the surface of the earth, with initial characterization $ `9 g l7 ]7 ~5 {4 Rof the booster type. (USSPACECOM) Launch Point Determination With computer methods, uses missile track observation to estimate the point on # O5 R4 J! W& O9 l0 R0 Fthe earth’s surface from which the missile was launched, expressed in terms of 3 M5 t9 ~: ]- Qcircular error probable. Launch Under ( E. F2 ^4 q6 t0 U. W$ i3 YAttack (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. ) X6 ^) Q E( g, A4 NLaunch 7 Y. p& m$ f6 P. RVerification Confirmation of a detection of a booster launch by receiving a report from a \( a" `4 i8 V+ W% H. ~sensor separate and independent of the sensor that initially detected a specific booster launch. * y1 \) ?7 q" |: @6 a l9 OLayered Defense A defense that consists of several sets of weapons that operates at different / v. b# \/ K* ?; nphases in the trajectory of a ballistic missile. Thus, there could be a first layer 4 S" u+ v5 g( w* x9 h+ Y: ^8 v(e.g., boost phase) of defense with remaining targets passed on to succeeding $ j, r* L! r5 F7 `# {9 T8 |layers (e.g., midcourse, terminal). lb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. & J! F$ H5 }7 _; \& E8 h2 _8 vLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component ( o# y8 U, T( SCommander (JCS term). ) Y. D; |! v* _3 ]LCCS Life-Cycle Contractor Support. 6 N) a3 h( z9 \: ]. n. d6 pLCF Launch Control Facility. / k5 ^; s4 s- a/ c3 H$ wLCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. 6 c, X4 v6 K' _* b: N0 s( {LCN Logistics Control Number (ILS term). + p5 [( G2 V: s9 e- ULCS Laser Crosslink System. + c* Z/ ~4 r/ @LDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. MDA GLOSSARY, VER. 4.0 L 164 1 d9 I/ N C8 pLE Lethality Enhancer (PAC-3). Lead Component/ Service 6 t: Y2 \9 h) ~2 N: {1 vThe DoD Component designated by SECDEF to be responsible for management + q' e- w! ~. F( C0 C' Rof a system acquisition involving two or more DoD Components in a joint # T: W2 e0 u E* `; N# ]( dprogram. 7 s" G1 {+ I# f8 V# {% eLEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a - R! B$ Z8 o7 V, @; cpercentage of the threat. To ensure overall system performance, permitted 0 c. z3 }- ?/ ^! f7 Ileakage is “budgeted” among individual BMD phases and functions. - w" j3 _5 Y6 P( ^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. . b; W. Y1 @% e5 D' NLEAP Lightweight Exoatmospheric Projectile. : B* X5 m$ y3 u, B- M6 k3 mLEASAT Leased Satellite. & d3 F7 L4 U$ |2 _" HLeast Privilege This principle requires that each subject in a system be granted the most ( k1 {2 m s+ n3 [( Grestrictive set of privileges (or lowest clearance) needed for the performance of ! k- I8 G; L. l* N$ I# A) @6 dauthorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. ' J* }. O9 m' F! A' d5 C& kLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. 7 R* \* ~; a% E, B% sLEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). 7 i% o# D! b4 VLEI Low Endoatmospheric Interceptor. - G) Q( P+ `9 J! @6 j s8 ^LEIP Link Eleven Improvement Program (USN term). ( ~$ e0 {8 ^. Z; VLEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). 5 V, A% D4 m3 w6 C( @LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. * R9 _+ w& b5 h/ D& T/ \+ g" ELevel of Effort ! Q7 u5 o0 o, F" a, t' B6 ^(LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. 0 g6 [+ L, m& E0 R! K& FLeverage (1) The advantage gained by boost-phase intercept, when a single booster 0 B% A! p+ o# kkill may eliminate many RVs and decoys before they are deployed. This 6 [& o+ E6 n% rcould provide a favorable cost-exchange ratio for the defense and would 5 _1 T9 X1 U: q3 s- preduce stress on later tiers of the SDS. 4 r2 A7 Y) j. T& o(2) In general, the power to act or influence to attain goals. LF (1) Landing Force. (2) Low Frequency. # d& [/ {" _9 B$ GMDA GLOSSARY, VER. 4.0 L 165 1 G% c7 Y& I% G& `$ F' b6 LLFIE Live Flight Integration Exercise. ! y2 [# G6 x5 n5 s" d, dLFOV Limited Field of View. x0 J/ N9 \: ?LFS Loral Federal System, Gaithersburg, MD. 5 d5 v+ @+ G- u8 `, qLFT&E Live Fire Test and Evaluation. 9 w, h0 m1 o1 J ?$ Z X, O% OLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. / y& N( L7 S: S v! F! I# SLGSM Light Ground Station Module (USA CECOM term). ) M. n$ Y. e5 WLHO Amphibious Assault Ship. Li Lithium. LIC Low Intensity Conflict. $ x$ i3 D" r5 Y: U' _# {LIDAR Light Detection and Ranging. : H1 L; e* T* e9 P# BLife Cycle (1) The total phases through which an item passes from the time it is initially 1 b' S. S$ L8 o. Pdeveloped 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 8 f& g$ V) ], H3 zthrough from its inception until it is no longer useful. 7 n& G4 |# }% x7 P3 U' x$ ?# \8 E& q5 QLife-Cycle Cost " h' J2 P3 c6 N; X, X(LCC) R* n: C% B. l! UThe total cost to the Government of acquisition and ownership of that system over its useful life. It includes the cost of development, acquisition, support and, ! G" E7 W) W u0 u6 F- l ^4 K4 awhere applicable, disposal. : ^3 _+ I' P; J: P) u! hLife-Cycle Management ) }7 J* ~4 v& z% x+ P! T: O( @Process for administering an automated information system or hardware support ( a, M3 W. n- [8 A4 @( X8 O2 }system over its whole life, with emphasis on strengthening early decisions which shape costs and utility. Life-Cycle Model A framework containing the processes, activities, and tasks involved in the development, operation, and support of the system, spanning the life of the system from the definition of its requirements to the termination of its use. Life Cycle of a Weapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and disposal. : {7 p' r# w; ?$ L( T3 B9 f1 ?Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket 1 B' K1 C6 }! J4 pcontains subsystems that perform power, communications, and environmental protection functions. Light Detection and Ranging (LIDAR) x l/ |8 w! F7 oA precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas 2 G/ g; Y$ }) \+ \% p% n, }(LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little 7 k# j$ \" z. h0 `( ^off-load penalty. LIMIDIS Limited Distribution. / C) j% I' a) z. Y9 b! H' B, r- aMDA GLOSSARY, VER. 4.0 L 166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 9 D" V+ O X; q9 s7 @, Wgeographically distinct. Not an all-out attack or mass wave. % O3 C4 T4 G8 \4 _: D/ Z/ VLimited Defense System (LDS) 5 V! a2 Y; K1 [ ]% WThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile Defense Act, as revised) capable of providing a highly effective defense of the ; `. s# r0 [; Z2 Q5 U- d+ `United States against limited ballistic missile threats, including accidental or 1 b# U& N( @# yunauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. # V( T! `# O% P0 ~* \1 `: [9 kLimited & N1 W7 y* r$ s& ~% `% o: MOperational 7 `0 C" \$ S8 t! FCapability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. 6 v- F$ t9 ?4 t$ {* q& n" }3 F% hLimited , U& G( K& h, b/ t3 N9 a( yProduction The initial production of a system in limited quantity. Part of an acquisition strategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision # a2 a( U2 G% C, F1 I3 musually made near the end of EMD or at Milestone IIIA or equivalent. (Also ; b! l) V' N. z- p# @called Low-Rate Initial Production or Pilot Production.) 0 g; _( Q0 v5 g: r- jLimited 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. LIN Line Item Number. Linac Linear Accelerator. Line Item ; k7 m' l" x7 P" @(Budget) 4 {, w5 [4 \5 oA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. & N/ h/ S7 m( Y- x" TLine Replaceable Unit (LRU) / Z' k: [( _9 J9 i5 c( a; T+ b' SAn essential support item removed and replaced at field level to restore end item + G7 X: V# k- sto an operationally ready condition. (Also called Weapon Replacement 5 q/ ]4 _1 Z8 h* ?1 MAssembly and Module Replaceable Unit). . M# y2 _9 ~; `Link-16 TADIL-J. Link Quality + U7 H' ^! z5 @) }" R+ G: Y5 @Evaluation This testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. Liquid Fuel % g- ?% n) ]1 c4 V( vBooster (LFB) % U" x; ]" e V3 y8 s; U" q) rTarget booster being developed to mate with current reentry vehicles and , d2 _' N! j, m9 r( Qemulate the short/medium range threat. ; f1 |& O% p9 m9 t, X* }0 R+ I4 X+ BLIS Laser Isotope Separation. LITINT Literature Intelligence. 6 M. t ]: {. dMDA GLOSSARY, VER. 4.0 L 167 ' ?7 v _9 ?* H/ Y: OLive Fire Test , y: t7 E1 U* D2 G; Y B+ n; tAnd Evaluation (LFT&E) 6 R' O- @! S& {Survivability testing and lethality testing required before full-scale production. . ?6 i: p/ D7 u! mMust be conducted on ACAT I and II programs for: (a) A covered system (a 8 \' I6 b: z/ ]7 [) a# tconventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered ; D. _* v0 Z7 Y: P' Nsystem. LIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). : ^1 q! B6 D5 G3 F0 a0 Y/ r7 R5 rLL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison. # x$ [$ w2 w9 b3 B$ PLLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. 6 A2 X4 p& t2 P, E: X8 fLLTIL Long-Lead-Time Items List (ILS term). ' v1 L5 x U' v( e J. `LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. 8 q- G! E, u6 A9 K+ Y }(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. 0 P( o7 T5 m5 ^LMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. / k m, W; o% x1 c; j0 P2 }9 GLO (1) Local Oscillator (Electronics Engineering term). " ~- U# W0 l/ j: i(2) Low Observables (LODE-related term). LOA Letter of Agreement. LOAD Low Altitude Defense. LOC (1) Lines of Communication. (2) Lines of Code. (3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L 168 LOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of . g! ?& t5 u/ y& [* hEngagement The assessment of an engagement by high-resolution fire control sensors. % A+ L% L: y$ `, M1 DLocal Environment The ISTC Local Environment contained within each node simulates the element " `/ r* N, h3 Dto 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, 3 \% @8 P: V4 h( ~# gelevation). LODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. , F* s# G8 }/ w( L, V- CLOE (1) Level of Effort. (2) Letter of Evaluation (AF). 1 r3 O0 _" e" K" VLOF Lifejacket Orbital Flight (BE term). , i9 G7 a0 w, k7 m! vLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the . L& o8 N4 @0 c+ K7 Csame range. LOG Logistics. . [7 v S8 @# Y! n4 D6 M. l* G4 l" R. [LOG.WIPT Logistics Working-level IPT 5 L3 L; B4 a: h% Y$ p3 q' ^LOGAM II Logistics Analysis Model II. ) _8 \6 A) T0 jLOGFAC Logistics Feasibility Analysis Capability. 8 j, d3 k G2 C! s8 V3 O0 O. MLOGFOR 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 2 d0 d: b& c7 o) w6 x# [- Boperations which deal with: (1) design and development, acquisition, storage, % f0 o( | C" r, F3 f+ k9 wmovement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or K% R; ~, a! S8 |4 U% ]) v# gconstruction, maintenance, operation, and disposition of facilities; and (4) F$ o' i* x; E% s+ kacquisition or furnishing of services. 6 h% ^* h ]9 T: C' MLogistics Support The supply and maintenance of materiel essential to proper operation of a # `5 {; V/ ~/ _4 Z' ysystem in the force. Logistics Supportability The degree to which planned logistics support (including test, measurement, and 1 e2 _* z6 ]9 E: I" ^$ C- Jdiagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L 8 E6 X) k2 @: d$ m) O2 i" u! U169 7 h" d1 a- U% F8 j7 t( WLogistics Support Analysis (LSA) The selective application of scientific and engineering efforts undertaken during . a* y( u7 |5 Z# z( ~; Nthe acquisition process, as part of the systems engineering process, to assist in: causing 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 8 \+ Y) Z- V. U: q9 F5 Ephase at minimum cost. Logistics Support Analysis Record 3 v0 H/ d' L, |- v8 S(LSAR) ( c8 x7 v8 U, B; O5 u$ M n, F. fA formal tool under MIL-STD 1388-2A that uses records/forms to document - ]9 `" m U" k/ toperations and maintenance requirements, RAM, task analyses, technical data, " s- v& F- @& Y6 H& n; y8 Gsupport/test equipment, facilities, skill evaluation, supply support, ATE and TPS, & `$ n& B1 a! Cand transportability. LSAR is the basis for training, personnel, supply 3 d5 ]) h9 n& w. Q6 \& lprovisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. # {8 ~, R$ r; ?7 DLOGSIM Logistics Simulation Model. ; G: d; Z7 h) ]LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. % [! F+ u" ~. hLong Lead Items Long Range Air Launched Target (LRALT) Those components of a system for which the times to design and fabricate are ; ?0 k+ M( L; k5 D& vthe longest, and, therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion. & A! }1 y' W4 D) uTwo-stage, air launched ballistic missile target being developed for MBRV-4. Long Wavelength Infrared (LWIR) . [9 M9 c3 @: ^Thermal radiation emitted by a source in the electromagnetic spectrum - ~- m$ ]. I# }" T" [1 S4 ~encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). 9 M* e. r. d. e1 Q; T$ r1 ~" ]9 f: f$ GLORA Level of Repair Analysis (ILS term). , y7 {2 x* [: q1 ?, _LOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude * l# ]# T) I- k& W, C+ hDemonstration System (LADS) + Q" y4 e/ o C, s) D1 P+ oPart of the SBIRS Low Program Definition and Risk Reduction (PDRR) program phase. The LADS will consist of a flight experiment and extensive ground % D) R# o4 C5 K7 t$ Bdemonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low concept and collect phenomenology data. Low Earth Orbit ! E! K( o; k1 i9 Y3 \2 W R(LEO) * K2 F- G' g S5 s4 W9 OThese satellites are at altitudes between 100 and 400 nautical miles. They have short duration revolutions (about 90 minutes), short visibility envelopes (2.5 - K4 D7 F3 s" f8 Q' Xminutes 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 0 J* U3 F, n4 W( g6 w) W( E. kanomalies. 1 B; S; `, o3 T* X+ I& V" f8 OLow 8 A5 F5 }. \# D3 w; V. ^Endoatmosphere , i' @( T$ m0 C( A0 l& FThat portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L ! C/ M1 O7 F/ ?: v: B/ U170 Low-Rate Initial Production (LRIP) 3 u& P& l& k* L$ r! T2 RThe 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 ' G9 {- B) i8 s8 k" oorderly increase in the production rate sufficient to lead to full-rate production : W2 U6 s+ [# \# e8 K4 Nupon successful completion of operational testing. ; X, @/ H* V W1 g/ X; R. z0 N% A, F9 JLOWKATRER Low Weight Kinetic Energy Active Tracker. ' ~' h2 F1 R4 G. Q; u0 ALOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. LPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. ; n; Z) V# i5 w% p& f( kLPI Low Probability of Intercept. LPS Limited Protection System. LR Long Range. # m4 w$ u0 x- |6 q* {; T5 hLRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. ( ?" M$ h6 d! {5 E5 `9 J, k2 CLRF Laser Range Finder. : i8 H) s0 U9 `4 \, z% sLRINF Longer Range Intermediate Nuclear Forces. 0 V6 b- z5 X8 o/ qLRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. , F) S& q/ e5 l2 \LRTBM Long Range TBM. - K/ _8 T3 _* l" G$ Y# ~LRTNF Long-range Theater Nuclear Force. 9 l% I0 c! v9 {/ V; BLRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). & U0 i: |. O$ nLSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. 0 C" m! g7 m8 xLSART LSA Review Team (ILS term). , \" l- p% O$ ZLSAT Laser Satellite. 9 X* u, E) J( r/ W& V Y" ?5 R4 GMDA GLOSSARY, VER. 4.0 L % H x* h" I& N171 LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. 8 O8 [ Q$ b8 E3 H. r; RLST (1) Laser Spot Tracker. (2) Landing Ship, Tank. , ^ s# O7 n4 z: t# lLSTS Launcher Station Test Site. LTA Lead Time Analysis. # q5 a1 S0 y" x1 E( oLTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. 3 j; N! O3 x( u- aLTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. % G& S( u7 |; ALUA Launch Under Attack. LUP Limited U.S. Protection. LUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. 8 e5 r& R& I4 L2 B; NLVS Loral Vought Systems, a defense industry contractor. LVT Low Volume Terminal (USN/NATO/Telecomm term). # }2 I4 W1 g+ ^0 X& ], vLW Laser Weapons. ' M; A3 N( I0 L. O) VLWAN Local Wide Area Net. 0 Q7 P- ?' P7 u+ O) k. c: zLWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 1 l4 f7 N- N6 Q; S0 i5 p5 j173 t J; `& z& c$ t5 H0 s) |- {m (1) Meter. (2) Minute. M (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. 5 v9 A, H! P& K/ PM&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. M/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. MAA Mission Area Analysis. MAAG Military Assistance Advisory Group. MAB Missile Assembly Building. 0 N* G/ N$ p$ J$ a$ O, hMAC (1) OBSOLETE. Military Airlift Command. See AMC. (2) Maintenance Allocation Chart. 8 B; I3 R6 R( j5 y& QMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. MACOM Major Army Command. 4 ^5 e$ ~, F. I. XMAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. % H) I: Y# c$ \1 @& TMAE Medium Altitude Endurance. # x; P0 [- M4 ^) U8 j8 kMAGTF 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, / l4 p$ l6 d9 l y0 Nservicing, classification as to serviceability, repair, rebuilding, and reclamation. % M8 H/ i0 g4 H# h" JMaintenance , |( x' y0 F" e* l4 @& O7 d7 iConcept/Plan A description of maintenance considerations and constraints for 1 c1 q- h# h$ G7 ysystem/equipment under development. A preliminary maintenance concept is : h* c! S7 Q5 a& U: w1 Jdeveloped and submitted as part of the preliminary system operational concept ' M0 b+ y9 T- pfor each alternative solution candidate by the operating command with the + F3 g" Z2 I! g7 w) X+ u+ G( Massistance of the implementing and supporting commands. A major driver in & [" U3 b6 _5 b2 ~5 J. c, hdesign of the system/equipment and support planned for it. MDA GLOSSARY, VER. 4.0 M 174 Maintenance 0 c& A& v" m3 `. h6 HOperations The corrective and preventive maintenance operations that do not require a p9 ^# i% d8 Z2 o2 H% s* C+ Edeployment decision; it includes correction and subsequent validation testing ; M' a5 {" T! G6 K! f4 m- oand the update of relevant status configuration, maintenance, and inventory databases. , @ H3 h) D& D" MMaintenance 1 R: U" B v6 {% j6 G$ WPlanning The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements $ K2 X( K2 M2 z8 Vof ILS. . {1 H: r. f& O- D0 lMAIS Mobile Automated Instrumentation Suite (USA term). 6 y8 T% T$ ~3 p0 i7 t# DMAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). " ^' o V# p* W7 P5 `/ f8 L; NMajor Automated Information 1 b5 D$ F* t' r0 T' h0 |System Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by the Assistant Secretary of Defense for Command, Control, Communication, and , ?: E( N7 X. b& kIntelligence. See DoD Directive 8120.2.

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Major Defense : j! `9 U$ D- ?. JAcquisition Program & l% o# }. } E2 x$ xAn acquisition program that is not a highly sensitive classified program (as $ g3 R$ R/ v1 t# D7 Wdetermined by the Secretary of Defense) and that is: 8 ]: r: c1 F+ T1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or 9 l- J# E' `) [! r2. Estimated by the Under Secretary of Defense for Acquisition and Technology to require: a) An eventual total expenditure for research, development, test, and evaluation of more than $200 million in fiscal year 1980 constant ~; B7 l. {( c/ ^" W- e1 |dollars (approximately $300 million in fiscal year 1990 constant . O, h. C* r( D1 o# N* ndollars), or ) ~, } G4 T7 [( |* nb) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). w) z8 a2 I$ u! eMajor Modification 6 n- ?0 f( g) E0 w' E9 {A modification that in and of itself meets the criteria of acquisition category I or II Y& M# {. X2 K0 d1 k5 Qor is designated as such by the milestone decision authority. Major modifications ' |7 [/ L% J2 F e+ S3 Z* Crequire a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. 3 ~% Z. u9 F) S0 p3 u7 g' JUpgrades are part of the Milestone 0 decision process. # H5 z7 y6 N9 x( IMajor System A combination of elements that will function together to produce the capabilities ; i @) I. g- P. I1 \$ trequired to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the & X8 }3 V, |) Q' _1 z8 rUnder Secretary of Defense for Acquisition and Technology to require: ( i% J; U( v" v# g' }+ |% n1. An eventual total expenditure for research, development, test, and ( w2 ?' W% y' |1 F/ Uevaluation of more than $75,000,000 in fiscal year 1980 constant dollars # s" [. G9 J! `2 M' C2 l7 w! [/ A(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+ C1 C b* N+ e: M0 Hfiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year b1 k7 y- u# U1 n& G8 f1990 constant dollars). MAM Maintenance Assist Modules. 7 c7 m; G* u" M, aMAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 175 Mandatory Access Control A means of restricting access to objects based on the sensitivity (as represented 4 t$ b& d8 s# j2 W( vby a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. Maneuverable & c0 S% h* h8 v9 [" @3 A) l7 {Reentry Vehicle 8 F2 M5 u5 s" A6 @(MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the Y2 e0 N! ^! i; ?: W& S! vreentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when they enter the atmosphere, allowing them to turn and dodge rather than 7 f2 y; V5 t0 B% J4 ^+ X hfall ballistically. They have no ability to maneuver in space. 3 ^/ u' m' |3 n4 V0 b/ P' j, n- ^MANPER Manpower and Personnel ILS term). Manpower Authorizations The billets in the manpower requirements structure that are planned to be filled. Manpower ; t& Y/ K& B$ n4 b' D6 n' pEstimate Report x+ D$ C7 X' t% y" B(MER) An estimate of the number of personnel who will operate, maintain, support, and 7 z) F1 a! G! ]2 u1 z4 ztrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to 3 g- h9 C6 V$ c% {( ?0 {approval for EMD or production. 0 ^* z% \: @# f7 ^% IManpower, Personnel, : { Z1 ]' R- qTraining, and . p: e1 A: ]& i( Y3 g$ h% j6 F: jSafety (MPTS) The human dimension of the complete defense weapon system. The term 6 m# L* ]+ J1 Y* W$ h8 IMPTS also encompasses the concepts and disciplines of human factors ( s1 A. l& ]! G4 ~. m0 Y8 uengineering and health hazard prevention. Manpower, Personnel, Training, and ; B. y3 O! [3 Z! _! ^Safety (MPTS) + }& V5 t: C. @' ?3 wProfiles 0 H' ~* U; j ~7 J7 q* u5 \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 demographics, training system characteristics and components, potential system + h5 Y' v0 \( W \3 o5 chazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. * c' t; }* X2 \, r6 HMANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. 4 U. Z' I& Z# c9 O) t5 M* U0 d# lManufacturing (or * B$ P/ l6 O4 B4 ?6 ?3 `Production) / i& A6 Y* \ \# kEngineering ' h6 H" }4 k" oPre-production planning and operation analysis applied to specific product 4 A* w+ L+ _8 }1 H; cdesigns. The functions of planning, specifying, and coordinating the application ' L# e* v9 _% X6 Q: a, f9 e. W/ e% Gof required factory resources including: performing analyses of production ) g+ z9 N: ^) d B: aoperations, 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. # X( ]6 z3 _% f1 p) B' `Manufacturing - W9 K/ h' b1 N) c3 ~" f$ `Operations, / y% ^5 u/ _9 {: Q% lDevelopment, and Integration - Y! Y: O7 P! x! Z' wLaboratory (MODIL) An SDS-peculiar integration mechanism to link product technology development : S m0 G" l3 @% aconcurrently with manufacturing process and control development for a costreducing effective SDS development. " I% T0 i+ q4 D1 T& mManufacturing ) M" U1 g4 p. M# x! }8 |Technology (MANTECH) Manufacturing technology refers to any action which has as its objective the 7 C" |- D6 w7 O& d2 C) mtimely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, 9 k8 O+ r5 b$ p3 Z! d1 m! band the assurance of the ability to produce, reduce lead time, ensure economic + Y' T$ \5 f$ ^8 F, ~* M0 aavailability of end items, reduce costs, increase efficiency, improve reliability, or to ' L8 @, L# L1 a0 K6 q% Cenhance safety and anti-pollution measures. MANTECH, per se, is the specific DoD program in this area. 3 H) G4 N$ q3 d5 ?/ ZMDA GLOSSARY, VER. 4.0 M 176 : O- f, L' ~. e% C2 lMAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. v9 [! i+ ?! A3 k6 ?3 B: EMAR Monthly Assessment Report (BMDO/POC term). - \6 N( [/ e t6 ]7 iMARCO Marine Corps.

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Marine Air * B, w/ D5 p6 p( xCommand and Control System A US Marine Corps tactical air command and control system that provides the tactical air commander with the means to command, coordinate, and control all ) x- E6 s2 c1 d" b8 \1 Qair operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual through semiautomatic control. # D& X5 l1 r. |( ~- _" }Mark/Markup Line by line review and approval/disapproval/modification of the defense budget : B/ q L% r& N# a) Y# ?by congressional committees. " V, u8 X# @) _* M5 u. aMARS Multi-warfare Assessment and Research System. : M# m& b7 `6 z' Q, xMARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. / T7 C0 D L' r4 qMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. $ M8 P5 i4 L, S% K/ D3 yMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation / _ v# P' U9 J/ c" {( u. O, v2 hModel (SSGM). Matching * Z8 y0 y' D6 i4 G: S/ S8 vBallistic Reentry Vehicle (MBRV) Four reentry vehicle designs (MBRV 1-4) developed to serve as threat representative theater targets. Matching Target 5 I, m2 [# s- S7 ZReentry Vehicle (MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. 6 I0 j/ V' h2 p& y3 v! e; oMaterial Fielding 5 Z/ t- }$ n5 }4 N- I6 j( M% qPlan ^, ]2 w } J7 MPlan to ensure smooth transition of system from developer to user. % e' s, m# t+ m9 [6 l3 V, [( lMaterials # T2 X& G; `4 Y6 t S, \Science The science of developing/altering and applying materials to obtain a resultant molecular structure with desirable physical properties and performance * e( {* R1 v, hcharacteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. & w4 M; T# i9 a. n8 x* P2 ~: nMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 8 v' K4 U3 x+ ~MDA GLOSSARY, VER. 4.0 M - R. X! M9 t" l0 r- k9 \- K177 Matra BAE Dynamics ! n f% [$ z; [1 BEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. $ D, ~, D5 ^* N$ eMATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. " y$ \( Y- p6 ]& D( Y+ rMATTR Mid And Terminal Tiers Review. " y \9 B, e7 k% Z' Y2 PMAX Maximum. ! {1 A8 z1 U. k5 }1 E3 fMaximum 5 W8 S3 ]5 h) j' ^6 sAttrition 8 K* E+ i4 c: _( d8 N5 cMaximum 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 / m+ I8 i% Y" n9 t8 mrequired assets. ; R( K& z& j2 r( ~9 vMB Megabyte. MBA Multi-Beam Antenna. ; U( o! w, J4 e/ B5 B2 s% ?MBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. 2 j9 ?6 C4 D- X+ G4 WMbps Megabits per second. : X' S' q/ x: l- R( a& KMBRV Maneuvering Ballistic Reentry Vehicle. - P2 i; Y: q4 _2 aMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS term). (4) Military Committee. * V3 c$ l* N! [; }2 ~6 QMCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. _, |" E$ c; V: PMCASS MTACCS Common Application Support Software. / c% z4 Z. K9 r& V1 HMCBM Midcourse Battle Manager. 8 `7 j+ w# U4 ]MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. 9 m* P9 H& }" K: j" c- g& t8 Z, sMCCDC Marine Corps Combat Development Center. ) w+ X/ @) _0 M( z) TMCCR Mission Critical Computer Resources. MCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. 6 i6 Q3 H( Q, _( p C7 k8 h$ gMCLOR Marine Corps LORA Model (USMC ILS term). " d- z) G' T% y* u3 V4 z. GMCM Multi-Chip Module. MDA GLOSSARY, VER. 4.0 M 178 * _: X. Q5 V3 q: {1 G8 XMCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. 1 b% I" }0 e# X# a6 fMCS (1) Maneuver Control System. (2) Midcourse Sensor. & | Y/ ]- M1 ^! p; g8 n; \MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. & t- r) D/ z8 lMCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. MD Missile Defense. 6 S! ^( q: p- ~MDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. 8 h+ x! {- v, D4 `6 N SMDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. 4 ] G7 g! i3 H) ^MDBIC Missile Defense Barrel Integration Center. 2 Z! u* M$ f \/ G9 FMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. " \) P+ E) ~" {; @+ D' [MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. 9 m/ J3 l: \1 \MDR (1) Medium Data Rate (TelComms/Computer term). - ~8 P0 F% O8 F" w. ]) W(2) Milestone Decision Review. (3) Multi-national Defense Research. & @+ n* r" ~8 e! X# M3 [7 VMDSC Missile Defense Scientific and Technical Information Center. 9 L: w% W1 s9 Y% F$ F( O& ?/ {* tMDSTC Missile Defense and Space Technology Center. ( i N% A4 T+ w. W" Y1 TMDT Maintenance Down Time. 3 r' V% u7 l) F8 EMDTD Mean Downtime Documentation (ILS term). 5 H; c- n7 f0 I. k& h9 ~8 m8 ^MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M 179 + L, p1 m$ N7 C k% D7 _2 {. oMDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. * _9 ~' ?* l; b. jME/VA Mission Essential/Vulnerable Area MEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. ( A+ ?) I8 h9 D, n* k' T' }; zMean Time Between Failures (MTBF) A measure of the reliability of an item. Defined as the total functioning life of an item divided by the total number of failures within the population during the # f$ _: L$ S; A4 Dmeasurement interval. The definition holds for time, rounds, miles, events, or + C: D( I, U6 c' u1 [5 d. J2 dother measures of unit life. MTBF is a basic measure of reliability. Mean Time To / J7 Y( I, l4 v+ mRepair (MTTR) The total elapsed time for corrective maintenance divided by the total number of corrective maintenance actions during a given period of time. A basic measure . s9 B7 ~6 R* h; y& sof maintainability. Mean Time to - v5 A- X8 X: V0 Q" JRestore System 4 z+ w/ k G" Y# _* e/ T(MTTRS) 4 R9 B+ P, A0 ~8 ?A measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of time. (Excludes time for off-system maintenance and repair of detached components.) MEASAT Malaysia East Asia Satellite. . m2 }1 H$ q+ A' q, \. [Measure of ; H+ f4 [) v/ O& F. YEffectiveness (MOE) The quantitative expression (sometimes modified by subjective judgment) of the & e# z5 M' ?! ^/ C2 E' v [success of a system in achieving a specified objective. 8 Z# R6 ? |: U7 q: sMEC Mission Essentially Code (ILS term). ' P! F& P# k9 Y/ n4 FMedium Earth ) z% P& o- ]/ q5 T4 VOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, * X/ v, s5 r) r8 X# p8 llonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes # \1 }: g6 u; o Tup to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special / v1 _9 W$ F2 J5 t; Bprotection. Medium Extended Air 1 n- _5 G7 E2 |' jDefense System ! z2 q K9 y0 w0 g# w$ y2 U* {(MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and 8 j' l. Y- ^6 o% e; ~; B: Ctheater missile defense system designed to protect critical fixed and % U# b& l7 Z' s6 o/ D. h. P5 [1 Smaneuverable corps assets. MEADS superseded the Corps SAM program in 1995. # M$ C: A2 Q: w. x% {' I& u2 Z7 uMedium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. / v* Y) z7 K; P1 ZMedium Range Ballistic Missile (MRBM) + N, x% q6 e$ L' s2 H' ?A ballistic missile with a range from about 600 to 1,500 nautical miles. Medium Wavelength Infrared (MWIR) , y3 ^4 o4 m* z: t: uThermal radiation emitted by a source in the electromagnetic spectrum 1 f8 @, _8 H) S4 g: P$ A$ J* jencompassing infrared wavelengths of 3 to 6 microns. ) A, r. J3 k v1 f' X- hMDA GLOSSARY, VER. 4.0 M 180 * |/ n% f, R% p( L' V! r, r& f7 ZMEF Marine Expeditionary Force. $ P4 u. q! t& ~3 }/ f$ yMEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. ; h! E. Y2 u8 ~5 G* I: M vMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of 5 q7 [( m. Z2 n @$ c$ @Agreement (MOA) 4 I5 q+ O6 O% Y+ E6 D- F(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of ( ~8 O! ]% ~/ i" V% E/ Xresponsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other & T7 ]1 L* Q0 o+ Q# Pcontract administration functions on a specific contract or program. - w0 u9 l! ?: Q% f0 }7 V& h2 q(2) Any written agreement in principle as to how a program will be administered. 0 l2 G7 L/ n- U: t" rMemorandum of * B# J" U* m8 U+ |Understanding : [* Y- x, Z' n3 S t. o+ s(MOU) $ F7 @: U, `. T5 F$ o+ ? _+ r4 N/ eOfficial 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 ( m# E, x; w, fbased on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. Mercury Cadmium Telluride (HCT) Infrared sensing material. MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. , l% T* Q" U3 B4 O4 B a1 H# _Mesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods Engineering ; E/ w, M: j# E% R6 ]The technique that subjects each operation of a given piece of work to close analysis to eliminate every unnecessary element or operation and to approach ' |" [8 K# R) r' f# s {/ Q0 qthe quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, 2 B9 }& h; V/ _/ O5 ~/ iequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. $ O0 {" O8 X! l4 O2 F' MMETO Minimum Effort Task Order. & Z* E% y5 r: o7 j$ h. {2 JMETOIA Minimum Effort Task Order Impact Assessment. 8 f; m3 T! H7 n+ m4 J+ g9 aMETOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software . q( `+ m3 \0 p# @7 J- @; k; {development process. : M" d/ b% ]" X6 ]. RMDA GLOSSARY, VER. 4.0 M 181 + O) a0 `0 M- ?5 C/ A) J' ^Metrology The science of measurement, including the development of measurement - R1 E; P" T0 K3 o6 N. ]# {standards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of 3 J0 R! R6 c) x$ \standards and systems for absolute and relative measurements. 8 v5 l* r9 M( \/ W$ }3 h/ nMeV Million Electron Volts. 7 K6 }; ^: \4 ^3 D) m0 `9 JMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. MFG Master Frequency Generator. ' H, x3 ] |2 j- h2 c* qMFL Multiple Folded Ladar. 7 ~1 E% B: \$ `MFLOPS Million Floating Point Operations Per Second. 0 B" J; e* J8 X5 dMFP Major Force Program. MFR Memorandum For Record. MFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. $ R. E o: ?) ^1 LMGLI Midcourse Ground Launched Interceptor. MGMT Management. MGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. ' n3 N! L& ~ e1 k2 z. Z% uMHV Miniature Homing Vehicle. mi Statue mile (5,280 feet). & t: c& F2 Q5 J$ T7 r& nMIC Management Information Center (MDA). MICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). 4 L, Q" ^8 [& r: C" h0 }' Y5 ?$ TMid-Course Defense Segment % ~5 [* V9 g9 u2 M9 q: ^4 l6 _(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. Midcourse Guidance The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. ' E, `& E1 S+ ~/ Y; q& VMDA GLOSSARY, VER. 4.0 M 182 Midcourse (MC) Phase 9 F$ w) x; A- \& D3 EThat portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories 4 c" u' r" F* B0 }+ G4 X- n! t% E8 @above the atmosphere. During this phase, a missile releases its warheads and 7 M! F. \/ |. u8 x& O E: s+ sdecoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. Midcourse Space Experiment (MSX) Designed to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target ) v0 u; G8 d6 w) l( ]8 tsignature measurements. 0 d- T S% O& p* o& pMidgetman US ICBM. MIDI Musical Instrument Digital Interface. 5 }' u2 q$ I, g+ _+ R# jMIDS Multi-Functional Information System (USN/NATO/Telecomm term). , U w. A' Y. u' {9 G0 o2 vMIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. MIL-HDBK Military Handbook. ) S d9 }' C0 MMIL-STD Military Standard. MILCON Military Construction. $ K& i+ Q2 W3 p3 W nMilestone Decision % C% A" G' v7 \Authority The individual designated in accordance with criteria established by the Under & F+ Q, ]. O( X( }2 N8 ?' ?Secretary of Defense for Acquisition and Technology to approve entry of an acquisition program into the next phase. , d& G" w9 n$ h4 L' ~4 }. j: aMilestones (MS) Major decision points that separate the phases of an acquisition program. ( `0 u c5 V* }6 j( A- ZMilitary Capability " }9 }- p! x2 hThe ability to achieve a specified wartime objective (win a war or battle, destroy a # e5 f0 A* ^% `4 I; J( Atarget set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) * F% M, U; d- W: u+ `Modernization -- Technical sophistication of forces, units, weapon systems, and l- ~ w) Z2 jequipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability % Y: f# i- S9 ^. |-- The ability to maintain the necessary level and duration of operational activity - {+ ^" l; y+ j% Kto 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.