航空缩略语词典

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Kinetic Kill Vehicle 5 f* ^6 M, Z: f1 z/ d+ h/ {Integrated Technology " K7 x4 w% A8 ^/ S8 HExperiment " L! V' r1 R1 A6 {(KITE) $ X' G5 n" {) W9 S9 A! S7 M4 r0 `A series of test flights at WSMR to demonstrate HEDI technologies. ( C# V+ o- y5 Z# B k3 @% P8 gKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. KKV Kinetic Kill Vehicle. + O$ Y9 q% h7 U2 D3 O9 `# yKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. ( |3 i5 c3 @* e1 U9 Z! X! T' _ }0 }Km Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. : s, C# Y$ c* ]" }0 AKMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. KPP Key Performance Parameters. MDA GLOSSARY, VER. 4.0 K 159 9 G$ @- w% _. x+ oKr Krypton. 2 P* ]" Y* x0 g. o' t9 Z. z3 LKREMS Kiernan Reentry Measurement System. KSC Kennedy Space Center, FL. . j+ E, j: Z; V! M( TKt Kiloton. 6 K2 S& c, T& u C; s: kKTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. ' b' Y/ V' F `2 BKV Kill Vehicle. * Q5 h+ Q7 w7 [- gkw Kilowatt. $ u( z, q, x, r/ t$ RKW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L ; T$ s% s/ d0 r( ~161 3 m& `7 [: I1 z+ n7 \( LL&TH Lethality and Target Hardening. ! C9 D" d8 X8 v" r8 E# QL1SS Level 1 System Simulator. + W- ]: c* V8 }1 W7 ML2SS Level 2 System Simulator - NTF. LAA Limited Access Area. + O; e" Y. O# D- kLAAD Low Altitude Air Defense. : v3 V* t- X( {" J6 Z" sLAAFB Los Angeles Air Force Base, CA. 5 j8 m5 o8 d- Z% A2 V3 XLABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner ; B3 t! Y0 G( v/ |& d# I% H2 _+ eLAC Low Authority Control. ; |* T1 p/ G# B$ |( b) I$ ~! BLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched 1 f" w* H4 v H9 Z, yFebruary 1990 and turned off July 1993). LACM Land Attack Cruise Missile. LADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. 9 g- y3 h4 e, A+ HSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo disable local ABM abilities so that following salvos are able to approach the % r6 _. ]7 u+ ytarget more closely before being, in turn, intercepted. Eventually, by repeating 6 W- c* O" }$ u# n4 Othe process, the target is reached and destroyed. / { w# h$ M- C& S! w; X( s7 ILADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. # A8 v3 [5 \7 |% w0 O1 `6 \+ ^LAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). P; ]7 B! I# s2 Z7 x' \ e/ @& rLANL Los Alamos National Laboratory, NM. $ u. q9 \: }0 W# hLANTRINS Low Altitude Navigation and Targeting Infrared Night System. 3 a0 S/ G2 ]1 {* mLAO Limited Attack Option. 6 X8 \( J" v% F0 y: |# E MLAPL Lead Allowance Parts List (Navy term). LARC Langley Research Center, Hampton, VA. MDA GLOSSARY, VER. 4.0 L % U1 z9 Q1 @' M4 _% s$ W162 Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct and control high power beam weapons/systems with large coverage, or to provide high resolution or high sensitivity for detection and/or imaging. 8 L7 D* P6 q' | {LASA Large Aperture Seismic Array. Lasant A material that can be stimulated to produce laser light. Many materials can be / a& B' x7 T% L7 r6 r+ P. D4 {) p( [used as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon 3 N+ }9 h! K- A) i$ m" cdioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. ! E% E; f! o& U6 `0 W. B" @) fLASE LIDAR Acquisition and Sizing Experiment. 2 J0 m1 I/ Y/ l" G7 r) G, O) a; qLaser An active electron device that converts input power into a very narrow, intense 9 g8 I( Y9 e, ]- B5 sbeam of coherent visible or infrared light; the input power excites the atoms of an ! F8 ]' E9 J, a5 ~+ _! A7 F$ m, `optical resonator to a higher energy level, and the resonator forces the excited atoms to radiate in phase. Derived from Light Amplification by Stimulated ' r' K3 s$ c" o8 |' @Emission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. 9 H8 y6 X Z: L: R& x+ h% ^Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 4 p3 |6 P2 H* y* J% ALaser Detection 5 n. }- [: T# b7 q3 F2 Kand Ranging E6 o) s W+ q" b9 |$ w; k(LADAR) 2 {$ A- g5 f! _5 w1 M: `A technique analogous to radar, but which uses laser light rather than radio or 9 j- y) K' p& S4 Hmicrowaves. The light is bounced off a target and then detected, with the return 6 O" i$ e \0 [; b3 fbeam providing information on the distance and velocity of the target. 9 u0 |& y$ K5 ~3 @Laser Guided j2 \ r4 t1 w/ p# m9 WWeapon 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. Laser Imaging Radar A 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. , n5 J) {3 T5 S7 ~+ T1 \5 FLaser 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 + A/ _# S* O. lfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. : M, o P$ X- r/ J2 YLaser Target + q) i+ ?/ Q, T; Z* `6 @) kDesignating System # F9 A. d0 P Z! ]! h: \4 \A system that is used to direct (aim or point) laser energy at a target. The system consists of the laser designator or laser target marker with its display and C8 K- m+ e$ G% ~$ tcontrol components necessary to acquire the target and direct the beam of the . W+ |; U3 c* ^* w) Flaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated ( ~' A' H f7 tand defines the direction of the target relative to itself. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent 3 E/ b {* z" o$ ]) K5 t+ Sradiated power greater than 1 MW. 4 w7 B* B4 o% J. NLASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) 6 X( c0 F, V+ m$ y' b) gLaunch Detection Initial indication by any one of a variety of sensors that a booster has been 8 A3 ]% s1 N2 E, g" _launched from some point on the surface of the earth, with initial characterization ) e( E: B3 o1 F+ M5 }5 c) C7 |of the booster type. (USSPACECOM) Launch Point Determination With computer methods, uses missile track observation to estimate the point on the earth’s surface from which the missile was launched, expressed in terms of 9 E# k7 e0 d* I l, n% Y e0 E8 Ucircular error probable. Launch Under ( R( F2 [( X* O: L! ~0 y( VAttack (LUA) Execution by National Command Authorities of Single Integrated Operational 3 p% L4 g8 f/ d7 E9 L3 [Plan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. Launch % W3 n W* D- R" ]7 GVerification Confirmation of a detection of a booster launch by receiving a report from a sensor separate and independent of the sensor that initially detected a specific 2 T, P) s. v* S( R, fbooster launch. : f5 v" u% p4 Y! B8 k- ULayered Defense A defense that consists of several sets of weapons that operates at different phases in the trajectory of a ballistic missile. Thus, there could be a first layer 1 o4 s- I0 ?- O0 y* s(e.g., boost phase) of defense with remaining targets passed on to succeeding 5 f9 O/ d. p. ?' \* @; x5 Flayers (e.g., midcourse, terminal). lb Pound. 1 x, w) D& r2 M! w- R' M8 ALBL 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. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component 4 D$ ?# ?+ Y0 OCommander (JCS term). LCCS Life-Cycle Contractor Support. LCF Launch Control Facility. 8 i! w1 M7 L4 K" SLCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). ; A y' T: U# {2 f9 YLCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. ' I- g, H6 `( j- X% {- ELCN Logistics Control Number (ILS term). LCS Laser Crosslink System. ' [# p+ w" S9 B8 o e# hLDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited 3 g: u% R: _3 u0 EDefense System. ) \- l' j* Y" p1 r& E8 n; [MDA GLOSSARY, VER. 4.0 L 164 * v4 t: ?! C0 C4 V3 o0 C7 D8 _& ?4 x8 f+ rLE Lethality Enhancer (PAC-3). % r" U6 ^. T M( z. K. yLead Component/ Service The DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint " ]2 ?: P) A2 @. r9 a- mprogram. LEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. 9 E Z7 U( [1 v6 E& W, R: L7 qLeakage (Max) The maximum allowable threat objects passing through a BMD system expressed , Z+ H, j0 a! Z" L- ?as a percentage of the design-to threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases and functions. 1 w7 |# x& j/ m5 z5 E7 ^LEAP Lightweight Exoatmospheric Projectile. 1 \2 T+ a: V* oLEASAT Leased Satellite. ! s0 b# K: V3 Y( M% ]3 K% ^+ x' jLeast Privilege This principle requires that each subject in a system be granted the most ) x$ y1 a4 Z* R" a# R4 prestrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this privilege limits the damage that can result from accident, error, or unauthorized use. : J) }1 a3 q" Z0 GLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. 8 b9 b0 H9 d& Q- _(2) Link Eleven Display System (USN term). 3 ]2 e. w7 F4 K- ?' sLEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). % V& z& |9 E& {3 D6 sLEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). 7 s, l4 H5 h8 f3 i, A1 g% c# YLEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. Level of Effort , _$ C3 H$ h/ l(LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. ! c7 @7 r: H$ w" _! DLeverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This 1 v$ X" F$ n/ o5 {# o) _ ucould provide a favorable cost-exchange ratio for the defense and would * h* f9 V/ o& C8 rreduce stress on later tiers of the SDS. (2) In general, the power to act or influence to attain goals. 2 G j0 Y4 Z/ \9 i+ X* E. e# ?, oLF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 0 U6 k p9 Y$ ] [/ |' y: X( |165 + ` f& Z. _1 V4 v7 XLFIE Live Flight Integration Exercise. LFOV Limited Field of View. 5 r, v5 x3 V. Q) S# d aLFS Loral Federal System, Gaithersburg, MD. ( v( F4 U2 F3 M2 Y \! d. nLFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. LGM (1) Laser Guided Missile. / c. n0 a7 G& P) s! e(2) Loop Group Multiplexer. 1 ?/ e& {/ Q3 R" J, dLGSM Light Ground Station Module (USA CECOM term). LHO Amphibious Assault Ship. Li Lithium. LIC Low Intensity Conflict. ; x6 z" }8 a% n& s) N% x. HLIDAR Light Detection and Ranging. , s- I% A6 e9 z. ?1 g( w) VLife Cycle (1) The total phases through which an item passes from the time it is initially 7 S6 r3 G: z" \$ `( \: g! a, f" b+ Z# Ndeveloped until the time it is either consumed or disposed of as being excess to all known materiel requirements. 1 z" S+ c% j N(2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. , @! D+ C, P7 p0 W* L* A. KLife-Cycle Cost (LCC) The total cost to the Government of acquisition and ownership of that system " W$ @& ?% ^$ z( a0 p; aover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. Life-Cycle % A& P; z( _$ d e5 L) \5 nManagement Process for administering an automated information system or hardware support ) a$ l6 W# U& C1 L1 t# k/ dsystem 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 / ]6 b' Z4 x: U1 ^: pdevelopment, operation, and support of the system, spanning the life of the system from the definition of its requirements to the termination of its use. 4 E7 y5 q7 L4 c" R: YLife Cycle of a Weapon System All phases of the system's life including research, development, test and 4 t2 e: Z7 c! k: Pevaluation, production, deployment (inventory), operations and support, and disposal. 0 t) S V0 }4 [5 P5 m) bLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental 9 ?: i7 S" ~. `' a2 }protection functions. ; k N( R0 K( I6 xLight Detection 9 Q4 v9 ~! u. r; kand Ranging (LIDAR) A precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little W5 s3 g( ~6 Q, Roff-load penalty. % o" }- u1 h' l0 K7 f% eLIMIDIS Limited Distribution. $ W. t5 h; r$ n0 }7 rMDA GLOSSARY, VER. 4.0 L 166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 7 v6 _2 c7 q& [ e6 i5 ~' Zgeographically distinct. Not an all-out attack or mass wave. Limited Defense System (LDS) # o2 n$ a2 ?) F0 RThe 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 United States against limited ballistic missile threats, including accidental or 4 n3 V4 J0 K' L8 j' N# qunauthorized launches or Third World attacks, but below a threshold that would ) y; k+ L1 V; s) ? q5 ]6 b' jbring into question strategic stability. , w4 S& F% m [. f+ ^Limited I) r4 n: e( h, E9 R6 i( u4 ^Operational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. . M3 ?* j7 R j3 E* |, \; K& }; h8 _Limited - i8 T7 _- o% p4 x5 `+ a @8 {Production The initial production of a system in limited quantity. Part of an acquisition + {$ P# X+ @5 T: ]strategy to be used in test and evaluation for verification of design maturity, 0 Z! I% h5 c: \8 }; q \* t' Mmanufacturing process final proofing, and product engineering and to verify a 6 n. S& g ~* a) X0 qfactories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also ; I$ a; P- x2 t$ _' `3 R" r( Bcalled Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty . `1 p7 D! k) P+ zThe 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 6 w2 ~4 T# j% ?# v" n: d0 e9 W7 eunderground, and prohibits nuclear explosions underground if they cause radioactive debris to be present outside the territorial limits of the state under ' `- P' Z) t! O: O' j& jwhose jurisdiction or control the test would be conducted. 0 G& I9 X% q( v" T# RLIN Line Item Number. Linac Linear Accelerator. Line Item " j- ~2 p- y0 l/ E8 ~% [' O(Budget) A specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight " E0 a q/ |5 L- Q( n+ [(LOS) * G$ l" m: k) `8 WThe line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target. ; ^. X$ E" d/ K' TLine Replaceable ) A5 O+ L# C' C: @# c& b: O" zUnit (LRU) 8 U. U. ], C, PAn essential support item removed and replaced at field level to restore end item ) T9 f& X' G1 A8 b- u0 Z% [to an operationally ready condition. (Also called Weapon Replacement - y' t+ H- X& ^, M2 eAssembly and Module Replaceable Unit). Link-16 TADIL-J. Link Quality Evaluation & w7 d2 |% b- D+ ~0 A9 \This testing of links to create bit error estimates and monitors natural or induced * v# U. T# J7 R' hlink interference. 5 q) j1 Y& h- w LLIP Lethality Improvement Plan. 4 O! _( i& L) J# b/ ~6 f& F( \Liquid Fuel % D' l$ |8 I. A9 s) a1 a, i; l- dBooster (LFB) 7 ~3 i% |+ U9 g! c+ RTarget booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. LIS Laser Isotope Separation. 5 i! ]7 T/ ^2 T# n5 K* \; SLITINT Literature Intelligence. ) ~: L8 A/ d" o* r' aMDA GLOSSARY, VER. 4.0 L - Q1 q# k# X0 P167 + A5 s- ^: I6 V+ q8 Z) D9 nLive Fire Test And Evaluation 1 S6 `/ v! H2 u, _5 {(LFT&E) # T0 M, X. B" f4 tSurvivability testing and lethality testing required before full-scale production. Must be conducted on ACAT I and II programs for: (a) A covered system (a conventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product # T4 R7 d9 G6 [ J& dimprovement program that will significantly affect the survivability of a covered 1 i1 J( w) t' s x9 ysystem. - ]# T% @; k, k6 j/ i5 NLIVEX Live Exercise. LIWA Land Information Warfare Activity. LJ Life Jacket (BE term). ; O# T* S. e5 A' X1 `! nLL (1) Lincoln Laboratory, Lexington, MA. ( K$ I7 b; ^0 f(2) Legislative Liaison. + W( |. L+ g( bLLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. 8 N, X$ N. T8 a3 rLLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. ( g& d- ^& f) c/ o+ p1 r: l: ~6 |(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. LMA Lockheed Martin Astronautics, a defense industry contractor. 5 X( _% F* i& M# ^. c: VLMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. ' {( Q: ?4 ]0 E# n8 HLMIS Logistics Management Information System. : |" k4 P) n& G, Y2 M L% ]LNA Low Noise Amplifier. % G8 I( {% B6 }* ?( }) ELNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). 9 w3 T; L& J9 m2 U' O4 M) _ MLNO Liaison Officer. ' a/ x& T0 q+ C- V2 t. D/ }- FLO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term). % ^0 s5 W4 @* t5 JLOA Letter of Agreement. LOAD Low Altitude Defense. LOC (1) Lines of Communication. - T* S( C6 _" z(2) Lines of Code. (3) Limited Operational Capability. . S/ c6 o7 @/ P& iMDA GLOSSARY, VER. 4.0 L 168 LOCAAS Low Cost Autonomous Attack System (USAF term). - K+ S+ {( `' s' T/ r9 U/ A2 X, aLocal & L. C% N7 {* G; M) r1 @Assessment of : r K; c. ^; p1 K/ o5 ?Engagement 5 x* W- Q8 g3 U; _ G5 r4 c/ aThe assessment of an engagement by high-resolution fire control sensors. 0 c8 q% a4 o7 r; _8 D8 P nLocal , N1 O6 Z, [5 Z5 r/ Y" [. iEnvironment 4 ^5 Q" h& ^! G/ ~2 E- g5 M! {6 UThe ISTC Local Environment contained within each node simulates the element to the degree necessary to generate a realistic input to the Element Processor of 0 I; v! m. n7 E' P+ y2 f7 ]8 FElement Processor Emulation and provide a realistic response to the Element . I, u% z6 k$ W6 EProcessor 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, elevation). LODE Laser Optics Demonstration Experiment. $ z" ?3 P" f" w" KLODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). - l4 s) k4 s% Z" K. m ALofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. LOG Logistics. 2 B _! o7 {: V6 r- A+ r9 R: \LOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. ( x" c' \9 v1 p: U6 qLOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. + H7 C1 T8 Y7 [- BLogistics 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, ( h5 {2 t) E8 s% zmovement, distribution, maintenance, evacuation, and disposition of materials; 6 {( R$ J6 w0 ]7 f(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 3 }9 z7 Q @( A8 v1 f Y/ Sconstruction, maintenance, operation, and disposition of facilities; and (4) $ R' ?# }: t9 Lacquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. 0 U) l' K& g! M' L- CLogistics 9 W4 F3 o' [2 }" A& LSupportability The degree to which planned logistics support (including test, measurement, and 6 g7 D- U9 s! h& Wdiagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow meeting system availability and wartime usage requirements. # ?# k# E* C i# CMDA GLOSSARY, VER. 4.0 L 169 ! T9 K; k z5 k6 x9 wLogistics 9 m3 _9 f8 R0 U- mSupport Analysis 2 E$ e7 X9 r' O) h, k(LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: 2 H) U4 a$ }. `; Qcausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring $ a5 |9 m/ P* T2 U }' D7 lthe required support; and providing the required support during the operational : `! O+ O( H/ L. F' G: e# hphase at minimum cost. # G- {/ y& q2 l% i+ }) {( [3 uLogistics Support 1 F% {+ U7 r& K5 ~; U) UAnalysis Record (LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document operations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, / Q! ?. x& L6 c8 P! u. y9 v. @1 @) Zand transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, ( r; K2 T: k1 y- M" dfacilities construction and preparation, and for maintenance. 4 ]2 t1 }! i7 ]+ k! q, hLOGPLAN Logistics Plan. 8 V4 \ u& d9 a% o$ ]LOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. 1 _$ b! _3 w9 xLong Lead Items 7 a# a3 x9 f. x5 lLong Range Air ) g9 m$ H0 B% R5 xLaunched Target . x& F7 g2 a% d& v# j(LRALT) / W7 `9 R/ \. C/ B2 N, P4 @Those 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 6 M# R- v! v# F* wdesirable in order to meet the earliest possible date of system completion. Two-stage, air launched ballistic missile target being developed for MBRV-4. * x0 ], Y) g* ?! v1 f- z7 WLong Wavelength % y/ q3 Y* A9 A+ l/ V& S" {6 FInfrared (LWIR) / n; p' G. L* y# E. `0 O4 PThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). + b5 T! D* w$ F+ o" X8 Y7 s2 T- hLORA Level of Repair Analysis (ILS term). + a" `4 G4 [8 F W4 gLOS (1) Line of Sight. (2) Large Optical Segment. 9 z, D" |8 P m ULOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude $ p( j: ]9 Q) |9 s0 J. k5 XDemonstration System (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program $ c! h: b+ W& j7 m( L' ophase. The LADS will consist of a flight experiment and extensive ground demonstrations by Boeing North American. The LADS flight experiment will be ( Z7 f7 P( m: r4 J3 R6 f% tlaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low " L* b1 v9 C+ t. |concept and collect phenomenology data. Low Earth Orbit 6 V% g. ^6 r% \0 W! i; _# x(LEO) ) O. C# x! c4 QThese satellites are at altitudes between 100 and 400 nautical miles. They have short duration revolutions (about 90 minutes), short visibility envelopes (2.5 ! L: {% h% J* ^1 N1 I; p6 S: V5 F# pminutes up to 10 minutes over a tracking station), short life spans, and are most + c( \7 \- d2 I3 v T2 k# S) Psubject to orbital perturbations due to atmospheric drag and earth gravitational 7 G& A1 q1 P0 c1 k0 _$ R. D) e% w/ ~' lanomalies. " }+ N. i' g' y/ G6 w% p8 u2 f% _Low . W& ~7 D3 \8 V2 u! j; N' eEndoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 Low-Rate Initial Production (LRIP) % X; U6 d5 |; ]6 U, f! U$ v/ s! YThe 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 0 r/ i+ X+ E0 ~orderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. ( Q5 f- F1 @$ z* @1 e- fLOWTRAN Atmospheric and Interstellar Background Signature Model. 1 }% [1 i m( m1 _1 C2 O$ D( n, I* cLPAR Large Phased Array Radar. + d0 [+ m$ K( m# Z$ Y+ g0 b# XLPD Low Probability of Detection. 4 e& y3 P* V) j0 c9 b \8 TLPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. LPI Low Probability of Intercept. % s6 l' K9 e, ZLPS Limited Protection System. 8 ~# N; Y6 o+ _" t @LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. 3 p$ |# K1 q, o3 E! ^LRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. LRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. ( q: g' E9 z$ Q4 j+ ]* k" mLREP Light Replicas. LRF Laser Range Finder. 0 B# f5 o7 ~3 }# i1 iLRINF Longer Range Intermediate Nuclear Forces. ' a- R. A4 r7 ~& R7 ~3 b* i3 }LRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. ( u) T' O, V# a+ k- {! }, XLRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). 7 O9 K9 k8 h" R4 l2 D3 s8 [' [LSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. / u$ @9 v! N; }/ U# I$ z$ {+ c) oLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). LSAT Laser Satellite. 5 k7 q5 a2 B# d2 U5 }MDA GLOSSARY, VER. 4.0 L " `3 r/ a% J ?* t$ r6 x0 Q& e6 D5 H3 O171 " d( r% ]2 K3 p; [7 ]2 e3 r4 u7 V* |LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). x; w0 n, }8 k0 q! pLSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. . f+ d7 i/ t6 `- B, y. @LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. ( k+ V" i# [$ x; A+ L* r: @/ OLSTS Launcher Station Test Site. 3 L% S$ @5 w' B4 r B8 [ QLTA Lead Time Analysis. LTBT Limited Test Ban Treaty. 0 _5 Q$ g; G& i8 G3 f4 D) f( P9 W0 `LTD Laser Target Designator. 4 N: {# b7 A0 E) t+ u; Q5 F6 _, O i* `# sLTH Lethality and Target Hardening. LTS Low Temperature Superconductor 5 R0 u9 L8 c# g8 t: } hLTV Launch Test Vehicle. + q9 \, q) R/ N3 b4 ?# lLU Launch and Update. LUA Launch Under Attack. & d6 W$ {# k1 c7 O3 g4 g+ Q' @9 n4 sLUP Limited U.S. Protection. 2 e' X% Q0 ], a4 v6 OLUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. 6 C- v1 P; x0 @6 R/ \7 aLVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. # [2 r& v* w. j3 X0 b) R# oLWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). , w: d2 _6 _4 K0 Q: oLYTBT Low-Yield Threshold Test Ban Treaty. LZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M % y, c1 z7 l% e7 K: j2 O173 m (1) Meter. (2) Minute. ) V" \- \$ j9 uM (1) Model. (2) Million. (3) Mega. M&LC Missile and Launch Control. M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. 6 b" `6 j) R, k: p( Q$ F8 LM-T-M Model – Test – Model. ; }7 v- O: j! k! H$ ?* TM/LWIR Medium/Long Wavelength Infrared. 8 | n6 {! Y6 o3 h5 N/ T8 CM/P Manpower/Personnel. MAA Mission Area Analysis. 4 W# n3 d; q- p L, L3 D9 ?1 OMAAG Military Assistance Advisory Group. 2 t. ~8 Y. R- t8 B- P* ]MAB Missile Assembly Building. / @ a9 G( P) t% Y( M5 fMAC (1) OBSOLETE. Military Airlift Command. See AMC. 3 j0 X& K6 m$ M& ]& h$ T6 R; }(2) Maintenance Allocation Chart. & s$ Y C; G4 N% F5 CMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. MACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. 1 ?3 w: U+ B/ M3 iMADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. O/ ], H' I/ T' Y% @, wMAE Medium Altitude Endurance. - Y/ U. [- K! C. E- fMAGTF Marine Air-Ground Task Force. + z7 J% x) P% |- ~7 J/ h( _Main Beam The primary directional EMR emitted from radar transmitters. 1 G- h3 b' v. q8 q3 i9 wMaintainer An individual responsible for retaining the major defense system in or restoring it ! R9 u* b: ` J! W& ^9 U7 F1 S- pto a specified condition. Maintenance activities include inspection, testing, / f, l. M: q4 ]3 ]0 b y2 y8 n8 ^servicing, classification as to serviceability, repair, rebuilding, and reclamation. Maintenance / P1 d% A7 @! A) J! k+ J( o; ~Concept/Plan A description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is 8 |; _3 u5 ~. N9 I c' |' Qdeveloped and submitted as part of the preliminary system operational concept " I4 N+ {& Y* B J! U. O @# Jfor 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 # l: X3 r; e2 l. g' c" B; l7 b) y! f174 Maintenance 8 {; y( j1 c+ U1 |9 `Operations The corrective and preventive maintenance operations that do not require a 9 |- @6 R6 f; B: D0 k/ J' \2 odeployment decision; it includes correction and subsequent validation testing and the update of relevant status configuration, maintenance, and inventory . T0 S; M+ J2 f. k" Rdatabases. 0 p4 P5 l% y1 e8 Y3 C$ \4 ?Maintenance 5 j& m7 I" \+ D: `( q, M' `. VPlanning % a5 V1 \! z( Y# L2 pThe process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements ) E6 S4 L8 S! m; N) ]+ T' mof ILS. MAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). 5 ~' Z; U# w6 X& ~ t/ JMajor Automated Information System Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by + o5 ]$ E- }# N `& s( wthe Assistant Secretary of Defense for Command, Control, Communication, and 4 f2 Y# J. M. F9 X& kIntelligence. See DoD Directive 8120.2.

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Major Defense , I4 Y0 V$ N& ]! I! OAcquisition Program An acquisition program that is not a highly sensitive classified program (as / k/ }" O8 j6 c8 idetermined by the Secretary of Defense) and that is: ) R/ C; V+ `: T; s" q" \! j1. 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 to require: 4 W* b4 S( e7 |# aa) An eventual total expenditure for research, development, test, and evaluation of more than $200 million in fiscal year 1980 constant - ~5 G4 ?4 T S5 n1 Kdollars (approximately $300 million in fiscal year 1990 constant dollars), or 6 o4 C& p9 h" R) |2 n Ab) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major - e; }/ q5 U+ n6 s, dModification 4 x& p4 G& O' _) @( |" @) _# BA modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. 4 P* |: ~: ]( U; b) ~3 E. n# `) sMajor System A combination of elements that will function together to produce the capabilities required to fulfill a mission need, including hardware, equipment, software, or any # Z$ k3 h1 p7 K7 U2 C( Gcombination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: , N% n9 d" n5 g6 }) x5 z" P% b3 x1. An eventual total expenditure for research, development, test, and ! G0 C/ R. l* T2 y7 V/ eevaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or $ C! b C6 G- t# j; ?4 H8 g0 i8 q2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). & e; {7 D5 v! x+ d' |/ aMDA GLOSSARY, VER. 4.0 M 175 Mandatory ; _' k. S( F0 A) l0 cAccess Control % O/ }; |7 M0 g8 H0 zA means of restricting access to objects based on the sensitivity (as represented 2 @$ Z6 s; V1 U9 ^$ Bby a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. & c. u$ j& K9 |: UManeuverable 2 r4 K& B% t/ e3 i, xReentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces 4 u; P# Z' N g9 b- b0 l- Cwhen they enter the atmosphere, allowing them to turn and dodge rather than fall ballistically. They have no ability to maneuver in space. 7 u7 z+ ]! E2 b; X* T. [MANPER Manpower and Personnel ILS term). 9 S4 X& F2 D+ N: YManpower Authorizations The billets in the manpower requirements structure that are planned to be filled. Manpower , ~. ?, |5 h+ R, l1 N. k5 DEstimate Report ( g9 ^1 @7 f% S0 [! Y! T$ b+ j3 L(MER) An estimate of the number of personnel who will operate, maintain, support, and train for the acquisition upon full operational deployment. The Services prepared 0 K% c4 _+ M: M" vthe estimates, and the SECDEF submits them to Congress 30 days prior to approval for EMD or production. Manpower, Personnel, Training, and : U3 K3 [5 M! G" RSafety (MPTS) ' Y' p8 ?) \2 vThe human dimension of the complete defense weapon system. The term - x# J. Z5 P8 y0 B. ^MPTS also encompasses the concepts and disciplines of human factors * ~9 a$ L- u7 r' t1 t6 @$ yengineering and health hazard prevention. % L3 \4 u# T0 x; oManpower, Personnel, Training, and Safety (MPTS) : z, ?) ?- V$ p3 y4 L' C k3 PProfiles : O+ e, U; {' q) R9 k! v. uA description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions : p9 E- S$ u( D! [+ c- a: tand categorizations of occupations, aptitudes, individual skills and demographics, training system characteristics and components, potential system " ?# ?7 c$ \5 f" u& @& q9 ]) n3 Bhazards, and other issues affecting the performance and welfare of operators, 0 t' C" ~6 e f/ i3 h+ bmaintainers, and personnel that support existing, modified or new systems. # j# N3 ]* x6 m8 u5 ~# nMANPRINT Manpower and Personnel Integration (US Army). 1 {, u0 @5 k4 a# \MANTECH Manufacturing Technology. Manufacturing (or . B% ?5 f0 X2 L7 w* N3 w- QProduction) Engineering : ]# ]- I8 U' ]Pre-production planning and operation analysis applied to specific product ; Z6 u Z: k/ g. [0 z/ Edesigns. The functions of planning, specifying, and coordinating the application of required factory resources including: performing analyses of production operations, processes, and systems; applying new manufacturing methods, , F5 I% L6 q& c9 n& u1 Qtooling, and equipment; controlling the introduction of engineering changes, and # m! Z% ]) P$ o7 [+ q2 Pemploying cost control and quality techniques from the factory viewpoint. [3 j3 {4 z/ n: tManufacturing % G0 E0 O& ?/ q" @8 _Operations, 3 t4 e$ O( A/ V# p3 L4 IDevelopment, 3 g8 r; }+ r0 o2 P( U, Q( v% O) Rand Integration & M6 \% J& _9 Q+ v SLaboratory (MODIL) 6 E) Q E, e* h4 C" i3 a8 b! c$ [An SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. + [: O. v% h1 Y! c. Y9 v8 u7 u6 q" PManufacturing Technology % D, ^- x8 I9 `7 x6 R0 X3 `(MANTECH) Manufacturing technology refers to any action which has as its objective the . V- I& s+ d' a: E$ ^timely establishment or improvement of the manufacturing processes, & e' `' q4 @7 M; ]* j4 ztechniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic availability of end items, reduce costs, increase efficiency, improve reliability, or to enhance safety and anti-pollution measures. MANTECH, per se, is the specific ! e& D7 |$ i9 W6 lDoD program in this area. ; p7 n& x% Y+ l( n6 F7 kMDA GLOSSARY, VER. 4.0 M 176 MAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. 3 C" Y; `& I- mMAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air Command and Control System ! q3 D9 K1 J! S7 m7 ~& cA US Marine Corps tactical air command and control system that provides the 6 p3 p X( T. J4 g( Ktactical air commander with the means to command, coordinate, and control all # O9 J, H h7 G. G# X4 _air operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with * V7 u/ c' q7 b' x9 f! ]communications-electronics equipment that incorporates a capability from manual : ?. E+ N# m# f/ uthrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. MARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA 2 k/ M! u1 Q- Z9 z& M8 `MARV Maneuverable Reentry Vehicle. MARVIS Mid-Apogee Reentry Vehicle Intercept System. / T8 [4 T8 `: ~0 Q5 xMAS Mutual Assured Survival. # c( A4 U0 ?" k* uMASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. ?) j. Q8 _& w+ k8 z! x4 xA mass ASAT raid consists of several ASATs attacking Blue satellites. * H8 \" v# w- e: ?* q l* v# hMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation : O" j7 i9 b3 e) D' z+ FModel (SSGM). Matching Ballistic Reentry . z, s% G9 ^4 W3 Q! SVehicle (MBRV) 9 G4 t t/ a% K, e2 q v# XFour reentry vehicle designs (MBRV 1-4) developed to serve as threat ! U; z6 k s& O; Z5 Lrepresentative theater targets. Matching Target Reentry Vehicle (MTRV) ! ]: N ]+ [' [0 N* bThreat representative reentry vehicle developed for GMD Program by Sandia % P6 L) G2 |+ z) d0 l, i4 ALabs. Planned for use on IFT 9-14. Material Fielding Plan Plan to ensure smooth transition of system from developer to user. , G+ v! Y9 A6 lMaterials Science The science of developing/altering and applying materials to obtain a resultant + B! H$ d W0 W1 q# h" B& ?3 S: ymolecular structure with desirable physical properties and performance characteristics. (See Structures.) Also includes applying state-of-the-art - B5 U( S @' X( z8 wadvanced materials in the design of new SDS components and end items. 1 e/ A% ]/ q( N* hMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 9 S5 `6 x- x1 @3 YMDA GLOSSARY, VER. 4.0 M 3 U: ^6 r8 ~7 [/ d' a+ {177 Matra BAE . U) t, J5 z3 P( EDynamics * G3 e8 u/ c# Q" [European missile manufacturer formed in 1996 from British Aerospace Dynamics " d$ U; g3 D- y/ s: J* kand Matra of France. MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. & ?, d; l, \* V3 U ~5 {- @: tMAX Maximum. Maximum # t( T( t( _' aAttrition 3 a8 c6 j; |* \# W9 wMaximum attrition is employed in a target-rich environment to destroy the maximum number of RVs, regardless of the type, by using all available or 6 v! g' c' d+ v# h( iallocated interceptors. This option may not satisfactorily defend specific or ( t, u# h8 j0 \6 Srequired assets. MB Megabyte. + L/ n8 D. H" t( Z( P0 k* SMBA Multi-Beam Antenna. ( V' T7 d: ~& U$ aMBE Molecular Beam Epitaxy. ( J! A5 [6 b. nMBFR Mutual and Balanced Force Reduction. , G, f3 H$ P# A) HMbps Megabits per second. % Y2 [* G; X4 r& E# |. Z( l) q: DMBRV Maneuvering Ballistic Reentry Vehicle. # U" Q( G+ Y, u1 F, N- \ {MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS ) H5 g; T: W3 Y3 lterm). (4) Military Committee. 4 Z; Y; n) i0 L( f& h9 A2 e* IMCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. 5 H8 {# J) b& K' q: ^2 yMCC Mission Control Complex/Center/Console. 8 X E9 ~2 `- \: x: `MCCC Mobile Consolidated Command Center. 4 b1 |/ j- H7 ]" |, z: ^3 z+ uMCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. # ?# q0 B- E' ] S' aMCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). , U* e( A: Z B$ c1 Z x& h) lMCM Multi-Chip Module. & r; l0 H. h+ f# |+ C" lMDA GLOSSARY, VER. 4.0 M 178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. 6 a7 H5 a( k$ A# H; G( dMCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. 6 B( Z0 {- t3 G6 bMCRDAC Marine Corps Research, Development & Acquisition Command. ) D! W Y: j! f% q+ nMCS (1) Maneuver Control System. (2) Midcourse Sensor. MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. 7 M/ n" u- ]- l% b0 f; Q _MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. ) u' ]! t" i/ q7 W6 I; H! pMCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. MD Missile Defense. 7 T- t5 r) Z# L2 W0 WMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision 7 T1 f9 \0 A/ a2 e! U- oAuthority. (4) McDonnell-Douglas Aerospace. MDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. ) S$ a5 V% T& S$ `MDART Missile Defense Activities Review Team. + B$ O( ]% B- a' x7 L- Z- m yMDBIC Missile Defense Barrel Integration Center. " M3 _) z9 Z \MDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). (2) Milestone Decision Review. ! a* p1 H& I. \! f& v0 x6 z(3) Multi-national Defense Research. $ P ?, a% z, u/ K4 b* H0 s0 Z" @MDSC Missile Defense Scientific and Technical Information Center. $ ^: ^/ D- ]% v% f, N1 JMDSTC Missile Defense and Space Technology Center. 7 F( L, M% V- C4 kMDT Maintenance Down Time. & r2 x5 l+ i2 }6 F, j; Z, y3 o+ cMDTD Mean Downtime Documentation (ILS term). + n4 R( y% h1 z1 S/ ^: |" [1 eMDTOA Mean Downtime for Outside Assistance (ILS term). 3 Y) H/ o5 @1 H' W3 ~$ ~4 n1 sMDA GLOSSARY, VER. 4.0 M 9 w9 ^" I( q; G: c( t% H$ S179 MDTOR Mean Downtime for Other Reasons (ILS term). " {& y: U) M0 x$ R8 O: VMDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area % j/ H- U+ \3 s5 K- k$ ?0 iMEA Mission Effectiveness Analysis (JFACC term). 3 C# B4 G9 T3 P0 F! uMEADS See Medium Extended Air Defense System. Mean Time * {8 @; M& c4 j/ |Between Failures (MTBF) : }) a; v$ f# W6 V, m# G" ZA measure of the reliability of an item. Defined as the total functioning life of an item divided by the total number of failures within the population during the measurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. 6 z+ l+ W' K* x) p2 e: bMean Time To Repair (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 of maintainability. Mean Time to Restore System ; |4 [$ Z# m; c$ G6 u(MTTRS) A measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing 7 A0 ?1 z/ h oevents, 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.) 1 @( o% U% [% x2 E# Q- WMEASAT Malaysia East Asia Satellite. 1 E' U+ r) `$ F) z8 XMeasure of Effectiveness (MOE) The quantitative expression (sometimes modified by subjective judgment) of the success of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). 9 I* T( ~6 U( `# b) m1 j- `* J' ^9 W- jMedium Earth Orbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, longer duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes 3 |$ ~4 Q& g1 O; S6 D& S& Mup to approximately 1 hour), and generally longer lifetimes. This region contains 3 s1 K8 f. X1 ]4 f3 nthe Van Allen radiation belts where electronic components need special protection. ; C) E: B) P0 m# ?Medium Extended Air 5 P2 E9 h, `( y+ rDefense System (MEADS) 8 a" O4 h5 u% h. AA lightweight, highly transportable, low-to-medium altitude air defense and & N0 u* H2 Z) v% X3 Ptheater missile defense system designed to protect critical fixed and 3 D2 Z( k- U" x' g& k- _) hmaneuverable corps assets. MEADS superseded the Corps SAM program in $ J) ?3 }1 F, x# a3 p; p# O1995. Medium Power Lasers ! \$ ] s# m0 i$ `4 g5 XLasers that radiate power less than 1 MW, normally used to detect, identify, , h) [/ c2 S* |9 L. l; X" Ftrack, and designate a target vehicle. , O7 R0 W5 C/ [- h" P5 `$ RMedium Range % t9 o( i* ^$ O1 W7 dBallistic Missile (MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. % t9 A; H' D, VMedium 9 R+ q% [+ L/ H0 Q8 v+ mWavelength Infrared (MWIR) + T, V$ P; W* s0 RThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 3 to 6 microns. " `# ]! Y+ D: m% T- Y$ WMDA GLOSSARY, VER. 4.0 M + T% J+ r, |) Z7 l7 `4 j% h- \180 MEF Marine Expeditionary Force. K7 e5 m {3 B5 u4 tMEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. MEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. 1 E6 f" F3 d. j5 ~2 F3 \* @Memorandum of Agreement (MOA) 9 N3 C) Y# C8 t$ {(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of , {4 [0 w1 k# wresponsibility of the Contract Administration Office with respect to the ( _% o: j6 H9 |' Lcost and schedule surveillance functions and objectives, and/or other : c' s1 [0 G1 q, scontract 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 ; P, B+ O" r4 l(MOU) , \2 I% G L2 C0 v' d- V* TOfficial agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners 4 z2 C0 V8 ~" K' E& P) ]generally recognize such agreements as binding even if no legal claim could be 4 r( ~) D. O! Z( j8 {- mbased on the rights and obligations laid down in them. % S z( t4 j$ f9 H9 Y% yMEO Medium Earth Orbit. ! _# Z5 Z; f7 G5 t: ~9 A" T# SMER Manpower Estimate Report. Mercury : k% q# w9 A3 X: O% FCadmium : o1 Y4 L8 h- \/ p( |/ t DTelluride (HCT) % e: g+ s, h' m$ NInfrared sensing material. l) K" |3 h: NMES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. 8 l* @# A: q, o4 a. Q) q+ BMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. Methods 3 H) q \% ]4 k% v6 ?Engineering * o+ m6 o, |- R& AThe technique that subjects each operation of a given piece of work to close 9 E4 W, m* W- P5 @3 r& Q% ]/ g9 Manalysis to eliminate every unnecessary element or operation and to approach 7 e$ L& I$ {1 b1 @& z1 jthe quickest and best method of performing each necessary element or ; ^! n6 _1 A7 o! k( F9 Roperation. It includes the improvement and standardization of methods, equipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. METO Minimum Effort Task Order. METOIA Minimum Effort Task Order Impact Assessment. 3 U4 t8 j& l1 Y+ pMETOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. ' K8 h6 t) P* M% g- a4 m+ A6 t4 g& zMetric (Software). An indicator, which measures some specific attribute of the software * q$ z0 F, I7 H: edevelopment process. & J# _- T: h2 R- Q+ V1 ~MDA GLOSSARY, VER. 4.0 M # v. @3 n x/ i" @, V( ?( x( B181 Metrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of standards and systems for absolute and relative measurements. 3 i" I; E* m4 M1 a/ w$ cMeV Million Electron Volts. 1 m1 n# Q# G" ]# x, W$ i1 cMEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. " t+ q; Y) W8 q- tMFG Master Frequency Generator. : {" l% ~; l$ I$ H0 z6 PMFL Multiple Folded Ladar. # j X; K0 |0 y4 I. EMFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. MFR Memorandum For Record. MFS MFS Communications Company, Incorporated. % ~) m ^# Q- R$ _9 cMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. . ^6 N2 D5 l9 q$ R0 k3 ~: sMGEP Mobile Ground Entry Point. 1 V& ^' ~% G( m' m7 T# _MGLI Midcourse Ground Launched Interceptor. MGMT Management. + n2 h' J. a' h3 d+ Z8 E3 EMGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. 6 D n( |/ V- D9 N8 ^' V: D% ymi Statue mile (5,280 feet). MIC Management Information Center (MDA). 5 j2 {! d5 P x9 O; [MICOM U.S. Army Missile Command, Redstone Arsenal, AL. 5 G0 d( N, G, DMIDAS Missile Defense Alarm System (US). Mid-Course ; R/ U: ?' x, |! \- XDefense Segment * L { s9 V% m/ p8 w(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight between boost and atmospheric reentry. ' M: r0 E$ O" |' Q8 V& q- p' CMidcourse & A* I3 R z" M& _2 Y; L2 s9 qGuidance The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. " c" e4 r2 f: F9 }MDA GLOSSARY, VER. 4.0 M 5 @) p8 q' o" F u7 c7 |182 . S% U# h' f9 r9 X( H o$ v$ Q7 q4 DMidcourse (MC) ( w: ]' N/ m3 V% P- e dPhase ) m8 g) }, Z9 zThat portion of a ballistic missile's trajectory between the boost phase and the @. F; }2 x$ V2 x5 Areentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and 0 i# [+ ?( [' X2 X' b; A3 xdecoys 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) 7 M, B S+ w& x4 ^8 D5 fDesigned to provide demonstrations of midcourse acquisition and tracking from 9 V# l% }! [) }% y: U0 ^ A% ]space, technology integration of optics, focal plane arrays, signal processing, etc., and collect background phenomenology measurements and target ; N% V3 N- g9 p8 Fsignature measurements. 4 M( e' _2 t- k L7 U" X, T* vMidgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. 0 l1 A; Y+ O! A4 y s/ KMIJI Meaconing, Intrusion, Jamming, and Interference. ! ~3 ?: p7 w2 V* T5 FMIL Man-in-the-Loop. MIL-HDBK Military Handbook. 6 I+ y; P+ s$ n, C1 oMIL-STD Military Standard. MILCON Military Construction. Milestone " p' o: c2 q8 Y# K! R5 i6 XDecision Authority / a( `) _* @. [- qThe individual designated in accordance with criteria established by the Under 6 d, a! P& j/ T1 }Secretary of Defense for Acquisition and Technology to approve entry of an acquisition program into the next phase. Milestones (MS) Major decision points that separate the phases of an acquisition program. # T9 ~! R. E% AMilitary 3 ~+ y, w. j( g q$ _9 C' SCapability The ability to achieve a specified wartime objective (win a war or battle, destroy a ( J! f) H; W$ @, p/ etarget set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) 8 S) U, D- C8 Q8 f4 QModernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or % M* W0 b+ A% ` _0 i4 }1 Z0 dequipment to deliver the outputs for which they were designed; d) Sustainability 8 h! V8 `: i, a8 c1 a-- The ability to maintain the necessary level and duration of operational activity * e/ O' N. Z8 e* Lto achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary 3 C4 R3 C$ S6 e( I8 n! Q ~- Fto support military effort.