航空缩略语词典

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Kinetic Kill % b; l% C9 I$ r/ x, YVehicle Integrated Technology + ?! @* {- S8 q, a+ Z8 ^1 `Experiment (KITE) A series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated ; O" k$ ?. C- yTechnology Experiment. 0 u2 _- C( z# w* NKKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. 1 ^' o) B+ k# DKL Kill Level. Km Kilometer. 7 C" `6 I) x* _) T' xKm/h Kilometer per hour. ) z p- P0 T& X. A- ?( H" ~" O- fKm/sec Kilometer per Second. ! c) Y: G, b D7 _$ y8 f- x/ NKMCC Kwajalein Mission Control Center. . o2 h6 R9 v4 r) s1 f0 R. J: xKMR Kwajalein Missile Range. ) G1 j$ o! }- S ]& N9 ~0 l% K: UKMRSS Kwajelein Missile Range Safety System. ' t9 G( l2 D; SKPP Key Performance Parameters. 1 |4 ?, D3 \* K1 q2 uMDA GLOSSARY, VER. 4.0 K 159 Kr Krypton. + G+ o6 Z& t1 P* Q% z( {4 m" P+ eKREMS Kiernan Reentry Measurement System. 7 A Q$ l' N8 G4 h8 T& c- S! kKSC Kennedy Space Center, FL. Kt Kiloton. * w6 n; |4 e" eKTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. KV Kill Vehicle. kw Kilowatt. KW Kinetic Warhead. , k) }$ x) U; ` u6 j6 l' |9 M+ F* sMDA GLOSSARY, VER. 4.0 L 161 L&TH Lethality and Target Hardening. g, Y$ k, ^! \6 S3 ^. q6 I5 zL1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. LAA Limited Access Area. LAAD Low Altitude Air Defense. ) Q( I$ \, w' K; @LAAFB Los Angeles Air Force Base, CA. $ e( `' z! d, }. @8 Q' W+ zLABCOM Laboratory Command. 6 X) L* U0 b7 J4 B9 S' h$ NLABM Local Area Battle Manager. * X, y6 O5 v1 X) _LABP Look Ahead Battle Planner : y+ j- \' n& ]. h8 f/ \2 pLAC Low Authority Control. 9 V: D7 J$ a! H3 w+ R% R1 m LLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched ; G+ r: U7 G$ m5 e; C1 U9 D. a2 @February 1990 and turned off July 1993). 4 h* A z1 l, H, C8 o/ x) O. |& DLACM Land Attack Cruise Missile. 6 n2 W/ L- F% ]+ L4 aLADAR Laser Detection and Ranging. ( g" p- Z: f( o o: i- N( p: t3 BLaddering Down A hypothetical technique for overcoming a terminal phase missile defense. 2 J) {) M( g( x/ RSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo 5 F3 e& u4 K% f) R8 F) f- D+ {: N2 Pdisable local ABM abilities so that following salvos are able to approach the target more closely before being, in turn, intercepted. Eventually, by repeating 6 v2 y' ?$ a' L0 V8 Q. i" f6 L7 xthe process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. LAFB Langley AFB, VA. 0 e. r! P2 s: q1 l% J, bLAMP Large Advanced Mirror Program. LAN Local Area Network. ( S/ Q1 k5 \/ R, V9 P* B% f* uLandsat Land Satellite (NASA program’s satellite). LANL Los Alamos National Laboratory, NM. ! ~2 p! T# A0 \5 VLANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. LAPL Lead Allowance Parts List (Navy term). & E c$ D" w. C' [4 V7 GLARC Langley Research Center, Hampton, VA. 7 h8 |! |2 h) ?- vMDA GLOSSARY, VER. 4.0 L 162 1 @6 U/ n& S: n6 bLarge 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. LASA Large Aperture Seismic Array. 4 d1 M& x9 o+ z" K. \Lasant A material that can be stimulated to produce laser light. Many materials can be & M! L' p! E3 A$ Q. A9 cused as lasants; these can be in solid, liquid, or gaseous form (consisting of . o5 z) K* f5 l. K6 ?7 mmolecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon " L% B! z) P* @* W7 u; k, a; Cdioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon chloride, krypton fluoride, and selenium, to mention but a few. LASE LIDAR Acquisition and Sizing Experiment. Laser An active electron device that converts input power into a very narrow, intense ( j' U) I/ }: o; B8 Bbeam of coherent visible or infrared light; the input power excites the atoms of an + z# Z. _" L1 |& |$ D" _$ ?1 toptical resonator to a higher energy level, and the resonator forces the excited 1 T. ]4 N0 \: i; W8 @9 |atoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its potential for causing damage to the eye. Laser Designator A device that emits a beam of laser energy to mark a specific place or object. 4 e/ E9 g$ d1 }$ J; LLaser Detection ! s) Q2 J7 J1 A, i# Fand Ranging ( }& V" q% v/ M' O( i(LADAR) A technique analogous to radar, but which uses laser light rather than radio or : _3 j* j' X* z+ \microwaves. The light is bounced off a target and then detected, with the return ( |/ F) {% s2 i: {; sbeam providing information on the distance and velocity of the target. Laser Guided Weapon A weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance & k+ W, ^5 @: D- \commands to a control system. The control system then guides the weapon to : B+ j3 N9 Z( A9 [the point from which the laser energy is being reflected. : ]) M& I" }7 n4 P- O" SLaser Imaging Radar 2 [1 r; A) P, y1 VA technology whereby a laser beam can be used in a way similar to the use of a radar beam to produce a high-quality image of an object. Laser Optics Technology associated with the use and control of laser beams with flux greater , x, ^" ~4 v9 X* [, mthan 1 watt/cm2. 4 V) c, a( J: pLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected from a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. . N& @8 R6 i XLaser Target Z* @* u$ U* e, V EDesignating 8 Q5 I1 |+ z( d2 MSystem . [7 ^' Q# g+ H, @1 O$ I6 X; C! mA system that is used to direct (aim or point) laser energy at a target. The 2 ]7 w: j/ q; ~6 p0 Ssystem consists of the laser designator or laser target marker with its display and 1 H( s* a2 A( T1 @6 R7 a; ycontrol components necessary to acquire the target and direct the beam of the 5 I" ~; i# @ }# t1 e( `9 {5 Y( ylaser 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. . ~5 K M% N- Y+ _+ R7 A+ nLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW. " A, H ?6 z" l7 n$ }2 O; TLASERCOM Laser Communications. 2 M! ]0 b6 _$ n _- T4 o; d! HLATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L : H8 p3 k* I% n; T163 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 8 W. w x, @% d: Nof the booster type. (USSPACECOM) # [% K8 ?4 ^9 j4 A8 BLaunch Point 1 j5 n' Y8 Z8 ^3 o+ ?2 eDetermination $ S* V/ R4 ]( r* ]* \ \; w% O% p1 MWith 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 + S* k1 l( W) `+ Xcircular error probable. Launch Under Attack (LUA) 2 ?+ L& b8 ~' C7 yExecution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the ) @" }7 N0 F) @2 ^United States and prior to first impact. Launch , ]7 ^7 q5 t8 ^/ PVerification ; [( E1 t/ p& `5 {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 7 H8 f7 q( }# s8 jbooster launch. Layered Defense A defense that consists of several sets of weapons that operates at different $ N% Q: A# Z; [- i# S' [4 Tphases in the trajectory of a ballistic missile. Thus, there could be a first layer ) _7 W; o& P) D3 z' ^: j, K- K9 h2 y: t(e.g., boost phase) of defense with remaining targets passed on to succeeding 7 N4 u: M* }: N; k) }layers (e.g., midcourse, terminal). lb Pound. LBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). LBTS Land Based Test Site. 2 Q! u2 ^+ X' W1 l; n% t/ P5 `' HLCC (1) See Life-Cycle Cost. (2) Launch Control Center. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component Commander (JCS term). LCCS Life-Cycle Contractor Support. 4 |+ ^% T4 J' J; ILCF Launch Control Facility. LCM (1) Life Cycle Management. ! E7 a4 l- s: Z3 K(2) Lightweight Communications Module (USAF TelComms/Computer term). LCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. * w( R/ P$ E, F) Z) qLCN Logistics Control Number (ILS term). LCS Laser Crosslink System. LDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. 9 E3 [# D* r( W& A. Y6 oMDA GLOSSARY, VER. 4.0 L 164 9 w2 }6 _/ }3 q$ cLE Lethality Enhancer (PAC-3). Lead Component/ 0 b( {4 q, _- dService The DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint + n7 o, L5 t% E ~5 L$ iprogram. . m' G! R" @$ F, k5 PLEAF Law Enforcement Access Field. 4 f/ j- q& C3 a0 G! BLeakage 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. 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. LEAP Lightweight Exoatmospheric Projectile. : x9 _- c: B$ eLEASAT Leased Satellite. * G5 G5 x5 Y# A5 ^1 W( wLeast Privilege This principle requires that each subject in a system be granted the most 2 O/ W4 P; c9 T& w, [, Y# _restrictive set of privileges (or lowest clearance) needed for the performance of . X. J$ Z5 t, i7 w5 aauthorized tasks. The application of this privilege limits the damage that can ! g5 V$ t& T/ a& b+ I, v* _2 }9 jresult from accident, error, or unauthorized use. 1 |; q7 M5 q) V: e5 N i4 z4 k" {LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. 8 D4 g! E+ r1 }0 I9 |LEDI Low Endoatmospheric Defense Interceptor. + `3 i& h' p# L2 @LEDS (1) Low Endoatmospheric Defense System. 1 n- H+ x, [4 D4 D% r" f(2) Link Eleven Display System (USN term). / p! [ a0 n: R( C$ |6 z4 RLEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). 7 U, Q% E% U; s# S E' PLEL Low Energy Laser. 2 b1 S0 _0 Z; b' b. A) O2 A8 [* @1 yLELWS Low Energy Laser Weapon System. " D3 s# H& B. g0 O bLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. 8 f% ^ M9 s2 l( @ z+ eLETS LWIR Environment and Threat Simulation. , D$ V4 n' ?5 z% A8 q1 eLevel of Effort - E. u# d K: e u" d$ m! l(LOE) Effort of a general or supportive nature that does not produce definite end / h+ K! F. {6 P/ X# Hproducts or results, e.g. contract man-hours. ' f$ A- `2 x" ~) z% D u$ ELeverage (1) The advantage gained by boost-phase intercept, when a single booster 4 O7 n" y; c. X1 A5 `# z8 m( N' Kkill may eliminate many RVs and decoys before they are deployed. This $ G8 a! D L/ S6 `+ l, Fcould provide a favorable cost-exchange ratio for the defense and would reduce stress on later tiers of the SDS. (2) In general, the power to act or influence to attain goals. % h/ S- ^0 ` \- z. O1 ALF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 6 v! g5 a% Y+ ?2 I2 x, ^165 : e. D$ ]: K# aLFIE Live Flight Integration Exercise. LFOV Limited Field of View. - c( k) ?% K0 W* r, D4 P' iLFS Loral Federal System, Gaithersburg, MD. ' c0 k, `% v+ I# ]LFT&E Live Fire Test and Evaluation. ( P9 e( ?7 V. qLGB Laser Guided Bomb. LGM (1) Laser Guided Missile. 8 T0 O# j( m# h- N3 b1 w- q(2) Loop Group Multiplexer. 9 Z# E2 y/ X/ y6 r. d; oLGSM Light Ground Station Module (USA CECOM term). LHO Amphibious Assault Ship. Li Lithium. LIC Low Intensity Conflict. LIDAR Light Detection and Ranging. Life Cycle (1) The total phases through which an item passes from the time it is initially developed until the time it is either consumed or disposed of as being excess to all known materiel requirements. , `5 {% U5 L% q& {7 L(2) (Software). All the states a software or software related product passes through from its inception until it is no longer useful. % D* ?$ m8 S' i! d1 C8 tLife-Cycle Cost ( c* w5 [6 D" P" c; T. s(LCC) ' A9 T) J( C. W1 k- Y: t! XThe 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, . P. B7 Q, _4 V" Ywhere applicable, disposal. 2 I; G* I8 A7 ]. a; v/ |# L3 ]Life-Cycle Management Process for administering an automated information system or hardware support system over its whole life, with emphasis on strengthening early decisions which shape costs and utility. . X/ Y! y9 s+ q3 E2 \" E; T+ ~, zLife-Cycle Model A framework containing the processes, activities, and tasks involved in the 9 j# W( A9 h1 w% A3 \2 ^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. ( B2 a4 J% }2 o- i% x" s& PLife Cycle of a Weapon System All phases of the system's life including research, development, test and 3 l5 p+ T3 D& @5 R5 O9 I3 ievaluation, production, deployment (inventory), operations and support, and disposal. * \: s' v, B/ eLife Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and environmental protection functions. , p; ~5 R# W, R% xLight Detection and Ranging (LIDAR) A precision probing instrument used to measure concentrations of different 5 | M( \6 @4 z6 a8 Z( rgasses or particulates in a given amount of atmosphere.

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Light Replicas " i3 ?; ], w* n! m& M+ a$ _; K(LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little : Y1 |4 C0 H0 q# y- x& l1 Moff-load penalty. LIMIDIS Limited Distribution. : O4 ^: L T1 x' [/ |* @ f- w8 gMDA GLOSSARY, VER. 4.0 L ; e+ B. I* G" w" R0 S166 Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is geographically distinct. Not an all-out attack or mass wave. , B6 \/ t/ V6 `. W! aLimited Defense System (LDS) 3 O2 `5 g; j- C$ F0 P) F: PThe 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 3 T! l$ A' z) p: V; `: Q, Qunauthorized launches or Third World attacks, but below a threshold that would * A- u2 i5 t" @7 P+ C7 x# @bring into question strategic stability. Limited , N) e& }2 v: M- e; g+ AOperational # w! k2 t5 O; {' e* J* dCapability (LOC) A point in time when the first set of sensors and weapons can be employed to ! i/ o1 F: G, Y9 v/ Z6 bprovide a limited protection system. " p0 I* m! z ]" p6 D$ c' ZLimited Production " l% \8 d! j2 t9 t; P1 t" C) mThe initial production of a system in limited quantity. Part of an acquisition 6 w3 H7 H, F9 y1 hstrategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) Limited Test Ban Treaty ( T1 ~) K3 x5 {# Q1 a1 y* ]The bilateral Treaty signed and ratified by the United States and the (former) $ `7 r: T+ b7 J/ ?9 z* Z7 ]; oU.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 ; ~6 k3 {$ p$ xwhose jurisdiction or control the test would be conducted. LIN Line Item Number. ) }0 r2 {4 `! x( {1 qLinac Linear Accelerator. Line Item # C2 d5 B; p4 M8 X9 G(Budget) 0 @. R6 ^' x0 KA specific program end item with its own identity (e.g., B-1B Bomber). / x5 O. B2 [4 p3 N! ULine of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, % h7 r$ G3 m- e: x+ y4 kacquisition, track, and identification of a target. 3 @: p: l1 |. j1 \. WLine Replaceable $ m3 I3 @; m H% s& M3 P8 V# [Unit (LRU) An essential support item removed and replaced at field level to restore end item to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). Link-16 TADIL-J. Link Quality Evaluation 4 [8 P7 P$ C3 g* Y/ {% @This testing of links to create bit error estimates and monitors natural or induced link interference. LIP Lethality Improvement Plan. Liquid Fuel " `. }' ?/ d- S1 g$ T* lBooster (LFB) ( @ Z8 M. a8 vTarget booster being developed to mate with current reentry vehicles and : [* S- K c: }emulate the short/medium range threat. LIS Laser Isotope Separation. $ S6 y3 B) z& k/ DLITINT Literature Intelligence. * v6 v$ e6 c, D* YMDA GLOSSARY, VER. 4.0 L 167 % H5 W7 `! D5 `0 \% D- QLive Fire Test And Evaluation 5 y7 H& {/ `0 H5 f1 p(LFT&E) 0 k1 ~( q& C+ X& D$ h9 b! ?4 W0 tSurvivability testing and lethality testing required before full-scale production. . X0 P) [2 N6 g; {, @/ ~Must be conducted on ACAT I and II programs for: (a) A covered system (a : u& m' P! |# s& v, |7 ~conventional weapon system designed to provide some degree of protection to # C3 S# T; h5 k9 S: r1 nthe user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered + _3 e3 c C# @5 v, A, Ksystem. 5 {* h; D4 c5 ~, |( s8 m. hLIVEX Live Exercise. 1 m! C7 i) l' Q; @( z! R4 Y" GLIWA Land Information Warfare Activity. LJ Life Jacket (BE term). ! D, [6 H/ p' a j0 y/ qLL (1) Lincoln Laboratory, Lexington, MA. : b4 A2 @1 x) i1 W(2) Legislative Liaison. LLM Long Lead Material. - f( Z2 N$ r0 E0 e/ CLLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). 5 {0 @. `/ @* Z7 {2 ?+ Y/ h6 DLLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). LM (1) Lockheed Martin, a defense industry contractor. (2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. ' |( ~- w5 o% o& G3 vLMA Lockheed Martin Astronautics, a defense industry contractor. 8 h: x: ?% N. b3 I3 l6 tLMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. 7 G; ^: o& s& e8 L. vLMFBR Liquid-Metal Fast Breeder Reactor. $ M1 ~% K" I* R3 K/ CLMIS Logistics Management Information System. * R/ W, K# p6 c5 B$ t+ VLNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). LNO Liaison Officer. $ J3 h/ f {: k; R& l. }# aLO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term). 9 E% z" z' ~" W6 hLOA Letter of Agreement. LOAD Low Altitude Defense. LOC (1) Lines of Communication. (2) Lines of Code. & P! \) m4 h" o! w(3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L 168 LOCAAS Low Cost Autonomous Attack System (USAF term). 1 p6 o# T& D/ O. ?Local ! v0 y0 i8 O5 _* ~Assessment of Engagement " a f% w- S t" dThe assessment of an engagement by high-resolution fire control sensors. Local Environment The ISTC Local Environment contained within each node simulates the element 0 ?7 V* F" k1 K& Jto the degree necessary to generate a realistic input to the Element Processor of ! y. V: z+ N& q. B2 g& lElement Processor Emulation and provide a realistic response to the Element ! b/ J9 u2 d* ~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, 4 q* r- x9 U' T+ Q8 e1 G- helevation). " M \5 v# M* Y8 K% W( U; |LODE Laser Optics Demonstration Experiment. 8 C; B s/ ?9 ^$ O4 P/ ~) P! a. eLODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). ' n0 I6 P9 U0 q$ W5 e* dLofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. ) r7 S+ ~5 b. fLOG Logistics. 0 g. o3 }" A# q8 aLOG.WIPT Logistics Working-level IPT 8 K. D8 f* H$ p$ h% O. M m6 lLOGAM II Logistics Analysis Model II. 8 Y8 ]& x9 Y @; [3 LLOGFAC Logistics Feasibility Analysis Capability. t b/ V0 Y' [; @1 |7 O5 o0 P2 A( nLOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of 9 @4 M% m6 d5 N$ u% q% ?5 Iforces. In its most comprehensive sense, it includes those aspects of military operations which deal with: (1) design and development, acquisition, storage, 6 k! }9 c5 ^7 ~, amovement, distribution, maintenance, evacuation, and disposition of materials; 7 ?2 J0 y7 Y* `- q6 z4 |( t(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or construction, maintenance, operation, and disposition of facilities; and (4) acquisition or furnishing of services. Logistics Support The supply and maintenance of materiel essential to proper operation of a system in the force. Logistics " S9 ?5 W1 p# d1 m8 }Supportability 0 T r+ p7 f* c" ^The degree to which planned logistics support (including test, measurement, and ! N F S( X' l- n+ l- Ydiagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow 3 f: y9 H: s, m2 cmeeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L 169 5 ~; |" N2 U k' r) ], i6 `Logistics Support Analysis (LSA) The selective application of scientific and engineering efforts undertaken during 7 ^0 _5 j) `$ Ythe acquisition process, as part of the systems engineering process, to assist in: 6 E) r( G" s& h0 S% w- G" H- kcausing support considerations to influence design; defining support 5 u( S j' x7 v* L! _requirements that are related optimally to design and to each other; acquiring the required support; and providing the required support during the operational phase at minimum cost. Logistics Support Analysis Record (LSAR) % \3 v) A I2 f$ J6 \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, - n P% Q% U, s# m5 `. F1 E# Qand transportability. LSAR is the basis for training, personnel, supply provisioning and allowances construction, support equipment acquisition, facilities construction and preparation, and for maintenance. LOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. Long Lead Items - f! n9 {" \2 w. ^: x2 a6 A" N! v V+ lLong Range Air * m5 g( `8 e5 R* ^Launched Target (LRALT) 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 desirable in order to meet the earliest possible date of system completion. Two-stage, air launched ballistic missile target being developed for MBRV-4. Long Wavelength Infrared (LWIR) # S- z0 _8 V7 R+ NThermal radiation emitted by a source in the electromagnetic spectrum 2 T: n/ H& ~. |! U$ c7 B' X6 i! \3 Jencompassing infrared wavelengths of 6 to 30 microns. " i& g' o3 P% G& KLOR Level of Repair Analysis (ILS term). + H, R$ s6 n0 F3 _; |! ^LORA Level of Repair Analysis (ILS term). ' P! D7 D5 M- |. M' b2 h1 nLOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. , F0 g+ ]* G ]LOW Launch on Warning.

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Low Altitude Demonstration System (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program * s7 V0 m) ~, A* ophase. The LADS will consist of a flight experiment and extensive ground , V3 M6 v! R; \demonstrations by Boeing North American. The LADS flight experiment will be ( c6 \5 G* ?' y& Jlaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low % y5 u7 u- i* H+ Qconcept and collect phenomenology data. * K6 b/ ]* [4 V, K' `$ M8 T3 bLow Earth Orbit . K j* S/ k7 i* I) @+ G* s(LEO) , q/ i" [7 D2 q) T+ zThese satellites are at altitudes between 100 and 400 nautical miles. They Q& I* Z( J: ^5 O7 `have short duration revolutions (about 90 minutes), short visibility envelopes (2.5 . o4 p- r, R1 {. F6 R6 |& Vminutes up to 10 minutes over a tracking station), short life spans, and are most ( b3 n6 F% W- T8 W0 I8 ]subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low 2 R7 q+ S3 J. k l- eEndoatmosphere " q4 H+ m* v' z( C" }# M7 \That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 2 p/ y8 X0 V+ N& X& J170 " @1 V8 I* W9 K I' ULow-Rate Initial Production (LRIP) 7 w# h5 e9 C" A4 e7 ~The production of a system in limited quantity to provide articles for operational test and evaluation, to establish an initial production base, and to permit an orderly increase in the production rate sufficient to lead to full-rate production upon successful completion of operational testing. $ q2 g3 u- d# H7 {1 {- dLOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. LPAR Large Phased Array Radar. ; ?7 {! d9 f4 }) G2 j, d, Q1 R% ~5 }LPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. LPI Low Probability of Intercept. 1 K, L0 u1 E B# g# h. MLPS Limited Protection System. & L/ W2 _1 F+ e' tLR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. - b0 b" E. k- L7 eLRC Lewis Research Center, Cleveland, OH. : l( g+ X w% g* Z$ \) Y! i" WLRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. / V6 r7 k6 ~2 m# q+ c: w: ?LREP Light Replicas. 2 [$ L8 B0 Y* @LRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. & w" v$ l! Z9 F0 ^# uLRIP See Low-Rate Initial Production. * `5 g0 Z; I, l+ Y5 t) HLRIP-OT Low Rate Initial Production – Operational Testing. / U f$ _ \% j V7 `LRTBM Long Range TBM. 7 y( I5 M+ N9 j( PLRTNF Long-range Theater Nuclear Force. LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). LSA Logistics Support Analysis. % ]+ e9 |5 @7 j* x7 x7 s* XLSAP Logistics Support Analysis Program. ; l1 D* _; O- LLSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). LSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L * V# H, S( s0 h5 W" m171 & `+ l' `3 ^. i7 ~LSAWG LSA Working Group. / t0 {, W- T- w. m/ y+ o; z* f3 CLSE Lifetime Support Engineering (ILS term). # t1 G6 `) v! NLSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. ' X0 D5 Q6 S m) B8 ZLSTS Launcher Station Test Site. 5 f; W2 W# z+ z9 _& ~LTA Lead Time Analysis. LTBT Limited Test Ban Treaty. 8 ^" k2 t0 i* C+ ^, kLTD Laser Target Designator. & A1 u6 B' F3 |2 H5 S) zLTH Lethality and Target Hardening. ( I! z: _/ g3 a OLTS Low Temperature Superconductor LTV Launch Test Vehicle. 4 b L( _6 w" H, }! H. z2 F& pLU Launch and Update. LUA Launch Under Attack. 2 D/ D9 T% e/ ]# [0 y+ ZLUP Limited U.S. Protection. ' X# O. }, C9 r0 c! i2 Y. b) SLUT Limited User Test. 3 X' ]; l+ I6 h( h) u; YLUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. # V0 _: {: E# c- r' f8 F/ Y8 F7 {LVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. LWAN Local Wide Area Net. " N5 q% i" ]7 m7 w8 HLWIR See Long Wavelength Infrared. , g+ b( x6 o RLWIR 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 . { L) z9 J$ ^1 R! J173 m (1) Meter. (2) Minute. M (1) Model. (2) Million. (3) Mega. ( C: f6 Y2 y# r+ e/ nM&LC Missile and Launch Control. M&P Manpower and Personnel. M&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. 7 p# g2 s! p7 z# W# QM/LWIR Medium/Long Wavelength Infrared. F2 [5 d9 A2 X4 QM/P Manpower/Personnel. - z0 N7 [: g( S0 p/ ~! HMAA Mission Area Analysis. MAAG Military Assistance Advisory Group. MAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. . R% y4 M+ D, A(2) Maintenance Allocation Chart. ! ~8 {9 j9 b' X' ~MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). % u+ m+ x3 z- l+ H0 KMACCS Marine Corps Air Command and Control System. MACOM Major Army Command. " c5 F0 _4 U, t2 f: Z+ w, Z! CMAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. MADCAP Mosaic Array Data Compression and Analysis Program. % n; n# \: r$ E. YMADS Modified Air Defense System. MAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. Main Beam The primary directional EMR emitted from radar transmitters. 5 f6 N, m) O0 C$ O9 ?- a! jMaintainer An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, servicing, classification as to serviceability, repair, rebuilding, and reclamation. - B3 s$ Y7 D$ U$ s' P( M% L! tMaintenance Concept/Plan , ^: A* y6 s, tA description of maintenance considerations and constraints for system/equipment under development. A preliminary maintenance concept is 6 s9 \: c, p- @4 `- F& rdeveloped and submitted as part of the preliminary system operational concept ' ]1 l) O$ D$ s; ~2 G2 {8 Ifor each alternative solution candidate by the operating command with the assistance of the implementing and supporting commands. A major driver in 3 q/ G; J! Z6 }" M9 k5 Bdesign of the system/equipment and support planned for it. + ^0 ~5 K5 G+ sMDA GLOSSARY, VER. 4.0 M 9 J. v" T" z/ H- y/ ~. u6 e174 Maintenance Operations % V @1 r$ R# h& ~+ R6 h8 EThe corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing % u& B) q& R3 q$ e2 A- zand the update of relevant status configuration, maintenance, and inventory ; `: v; `# n; m3 w, kdatabases. / `! ]* l9 Z* K( D* a: H' a/ U! K- ]Maintenance Planning The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a material system; one of the principal elements of ILS. MAIS Mobile Automated Instrumentation Suite (USA term). MAISRC Major Automated Information System Review Council MAJCOM Major Command (USAF). Major Automated , P2 J: e. d. z6 s) k; sInformation ; }& z! U! d' ISystem Review Council (MAISRC) The Senior DoD information management acquisition review board chaired by # v2 M7 d5 x: I/ q% t* A' Ithe Assistant Secretary of Defense for Command, Control, Communication, and 9 _. M6 N3 p/ @6 X4 D( g1 c z* R1 ~( ^Intelligence. See DoD Directive 8120.2.

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Major Defense 1 ^/ z. W9 I3 r0 E# Q$ b* a& P; s0 nAcquisition 3 ]; ^8 Z8 a1 X. \9 s* \: R/ _5 tProgram ( T; f0 ]( Y, b# _An acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 4 X/ J7 U8 G$ p1. 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 1 e9 `: L" J; o7 Y# wto require: a) An eventual total expenditure for research, development, test, and ' v- t2 ?2 B8 n& |0 s: y3 }+ D3 fevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant " W7 f0 t$ T1 c4 G$ A+ Mdollars), or b) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major 8 C! R' b! d R; A- V8 v! WModification A modification that in and of itself meets the criteria of acquisition category I or II ; R3 c5 o" n: R/ oor is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. 1 `6 \- R" V! Y, F1 tUpgrades are part of the Milestone 0 decision process. ( F* U& w2 T- T9 d% X7 dMajor System A combination of elements that will function together to produce the capabilities required to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real # x6 `9 e; w+ L$ ~5 j& U! Aproperty. A system shall be considered a major system if it is estimated by the N9 Q4 q* G1 lUnder Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and ! K8 y% Q9 s: r5 x; xevaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or / G6 r: a/ |3 ?6 @3 n! X; |+ ^7 q, x4 r2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 1990 constant dollars). ! _5 O3 ^: n0 s0 N9 M5 P9 {MAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). # O& [: @ p) w$ ? uMDA GLOSSARY, VER. 4.0 M 175 Mandatory - X& o8 U- @; U8 U, EAccess Control 3 x# h- w# g) n/ VA means of restricting access to objects based on the sensitivity (as represented ) I( t7 V* _; }, u) C/ C8 wby a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. Maneuverable 8 p9 e0 G! r5 y4 f' gReentry Vehicle 0 M0 d+ J# d; b2 C0 O2 j* u(MARV) / `! E+ f; l! f) o: BA reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces 4 n& i( K! M) c& W# C9 ^, Nwhen they enter the atmosphere, allowing them to turn and dodge rather than % P O+ }+ }5 w' ^1 }$ k2 jfall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). ; i0 L8 s3 K: q8 p, lManpower " a% x0 ~. E0 v+ L( {; F* kAuthorizations " L+ u3 Q) ]2 yThe billets in the manpower requirements structure that are planned to be filled. 5 C& G- Z& L/ I) m& fManpower Estimate Report 9 {, b4 a# X# \# X' u(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 the estimates, and the SECDEF submits them to Congress 30 days prior to " y! U4 O7 e3 o8 ~approval for EMD or production. - x) i& f% W* w; a5 V9 @+ fManpower, Personnel, Training, and 2 o( U3 U9 i N. L3 n; s ZSafety (MPTS) The human dimension of the complete defense weapon system. The term . c) {9 `* |" K) mMPTS also encompasses the concepts and disciplines of human factors , A1 y: }7 H: R" Dengineering and health hazard prevention. Manpower, Personnel, Training, and 1 S' w7 }6 Q# ^, ?1 MSafety (MPTS) Profiles A description of human dimensions and constraints involving a major system 3 d6 {" K; |( ithroughout 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 hazards, and other issues affecting the performance and welfare of operators, maintainers, and personnel that support existing, modified or new systems. MANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. Manufacturing (or 2 u D1 b7 f8 f3 x3 X; ~: T& V2 oProduction) ; y1 `" }7 b M2 LEngineering 9 _- H2 ~) N- K( P# qPre-production planning and operation analysis applied to specific product / d. M/ _' z+ d# p5 l( c2 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, tooling, and equipment; controlling the introduction of engineering changes, and employing cost control and quality techniques from the factory viewpoint. Y, F- a" h, ]# QManufacturing 4 V+ I X: l% B _Operations, ! G% E& W: ?' S+ h5 ?, M8 vDevelopment, and Integration Laboratory 8 M- j4 t6 i; s( _$ s4 I4 ?/ ](MODIL) " S( Z- ]$ m' TAn SDS-peculiar integration mechanism to link product technology development 7 H9 X" Q8 P/ F& q1 o* s, U* {concurrently with manufacturing process and control development for a costreducing effective SDS development. & Y& f, I5 F1 Y0 MManufacturing 7 s& p h& H7 N4 ?Technology " I4 ?' P) p/ w2 d# H, G3 ](MANTECH) , o& q' x0 Y$ Q+ c$ T* cManufacturing technology refers to any action which has as its objective the 6 K5 z3 Z0 _- Y; S7 O# n" ctimely establishment or improvement of the manufacturing processes, techniques, or equipment required to support current and projected programs, / H9 {7 {! w8 s# H8 F' i# [" jand the assurance of the ability to produce, reduce lead time, ensure economic 8 f: e: X4 k' v( C" |. Zavailability of end items, reduce costs, increase efficiency, improve reliability, or to ) ^( |7 h7 a: {! k* l1 {/ Benhance safety and anti-pollution measures. MANTECH, per se, is the specific . H$ q7 p5 U( aDoD program in this area. . \- k2 [9 g2 a6 Z, x9 EMDA GLOSSARY, VER. 4.0 M 176 MAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. MAP Minimum Acquisition Program. MAR Monthly Assessment Report (BMDO/POC term). MARCO Marine Corps.

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Marine Air $ J. F6 U4 x$ v; UCommand and Control System 4 l6 T ~. b7 E* BA US Marine Corps tactical air command and control system that provides the tactical air commander with the means to command, coordinate, and control all air operations within an assigned sector and to coordinate air operations with $ ]. W7 {4 O6 q1 ~7 f# bother Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual - M8 i& L8 J, l; E, Vthrough semiautomatic control. - ?1 a; ^% k" K( yMark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. MARS Multi-warfare Assessment and Research System. * c# m( Q- p! @2 b6 \ ^& IMARSYSCOM US Marine Corps Systems Command, Quantico, VA MARV Maneuverable Reentry Vehicle. - q2 h( ^. Z% _2 ~MARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. " X: x. K2 ?! f$ W$ Q% O' F3 CMASINT Measurement and Signature Intelligence. 4 `; G" |3 s& s5 k3 P; KMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. 1 o6 a; d5 k# v4 H$ a2 Y+ vA mass ASAT raid consists of several ASATs attacking Blue satellites. - ^/ ^& f0 Z" xMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation 8 M1 C5 [' @- yModel (SSGM). ) l$ }3 V, J& |. RMatching ' |" C3 L2 i2 q3 |; \: _Ballistic Reentry 0 L s$ v) e `% u7 h) S; b2 SVehicle (MBRV) h2 k, [5 @( X h8 DFour reentry vehicle designs (MBRV 1-4) developed to serve as threat 9 D: \ }. n4 t& n# L: yrepresentative theater targets. * i9 a+ M+ m( V6 y/ JMatching Target Reentry Vehicle ; k8 Z. n/ _3 w% I% r1 C(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia 4 M5 n5 t: A3 Y9 Z. H# _Labs. Planned for use on IFT 9-14. 5 t7 p% ?" |4 r+ K# b( cMaterial Fielding Plan 1 W; [% \9 b% _1 ] JPlan to ensure smooth transition of system from developer to user. S: X0 w; }) n! T, YMaterials Science ( ]8 G; X" o5 N6 B0 @( P T( Y) @9 Q1 n! PThe science of developing/altering and applying materials to obtain a resultant 8 o: N! R; S" f( Bmolecular structure with desirable physical properties and performance characteristics. (See Structures.) Also includes applying state-of-the-art advanced materials in the design of new SDS components and end items. " D) J! j# i, _2 kMATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. ; P- z; h. X% C1 |8 K9 N# s% Q. l' {MDA GLOSSARY, VER. 4.0 M 177 Matra BAE Dynamics $ }' O& b7 V- u# q, a2 }5 rEuropean missile manufacturer formed in 1996 from British Aerospace Dynamics and Matra of France. MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. / a7 i, K8 L' D- P- P( VMATTR Mid And Terminal Tiers Review. ^7 _% y. `) qMAX Maximum. 9 d1 G/ H6 q3 @# q$ NMaximum 8 {% a$ Z: W) P& s3 }Attrition : D1 c8 C9 ]+ T3 @ XMaximum 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 ; P: I6 p) I: @2 |% [, Vrequired assets. 3 Y3 l9 k! x7 B' Y) ]% eMB Megabyte. MBA Multi-Beam Antenna. MBE Molecular Beam Epitaxy. 7 W" F6 n. I$ c( sMBFR Mutual and Balanced Force Reduction. 6 R+ S; p' Y% w" @: \. }Mbps Megabits per second. : V7 y# ~9 [1 EMBRV Maneuvering Ballistic Reentry Vehicle. + ] ?, n3 D" O* dMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS 4 T% E' v' Z- }! _3 w/ rterm). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. MCC Mission Control Complex/Center/Console. % M8 |) \3 ^! G @/ s4 G+ hMCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. # J7 x1 T3 ^& V2 d' SMCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). MCM Multi-Chip Module. ' b3 m1 `/ }1 ^4 r' \+ }7 x3 iMDA GLOSSARY, VER. 4.0 M 178 ( |( l4 t# R) O5 Z+ tMCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. # U# ?6 M# x2 @$ y v' e9 P3 uMCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. $ t! l' Z o- U& mMCS (1) Maneuver Control System. (2) Midcourse Sensor. ) o) x, S: R- _! J% R5 u! {MCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). $ [2 u9 ^" Z S" u( jMCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. MCV Mission Capable Vehicle. MD Missile Defense. 5 a, W# D4 @8 Y q. W/ nMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision , n- i' K" N% O w( RAuthority. (4) McDonnell-Douglas Aerospace. ( O. |- l" Z3 t; y/ yMDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. # \& h8 } ]; a) q1 U7 UMDART Missile Defense Activities Review Team. 9 H0 q0 d; U2 a7 Y; `MDBIC Missile Defense Barrel Integration Center. 4 C3 H; \" m( HMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. 5 p# V, B. M% q, k2 ]/ k% x3 ]MDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). 6 O4 C7 a* u/ S(2) Milestone Decision Review. ! f( t3 }: L3 Q+ z4 U2 X! j(3) Multi-national Defense Research. MDSC Missile Defense Scientific and Technical Information Center. MDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. : q4 W* } C: L4 aMDTD Mean Downtime Documentation (ILS term). " h$ O* b d0 r8 U4 n! s5 pMDTOA Mean Downtime for Outside Assistance (ILS term). ) C3 q( e( N! G6 O8 \; k: ~MDA GLOSSARY, VER. 4.0 M & c; `8 ?4 J8 V% i7 W( Y4 _179 MDTOR Mean Downtime for Other Reasons (ILS term). MDTT Mean Downtime for Training (ILS term). MDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area 1 E9 J9 N# Y5 i2 c7 V6 CMEA Mission Effectiveness Analysis (JFACC term). 8 ]7 [ V* n+ X7 Z9 N, }MEADS See Medium Extended Air Defense System. Mean 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 measurement interval. The definition holds for time, rounds, miles, events, or other measures of unit life. MTBF is a basic measure of reliability. Mean Time To & l- n+ x, t8 ^' l! N! ~' sRepair (MTTR) 6 `: U4 c" Y- j7 n' j5 BThe 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 , b% t8 l5 g) C5 e0 [. u(MTTRS) A measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing 2 l0 p& w) ?. _6 Z$ Eevents, divided by the total number of downing events, during a stated period of 2 A+ u, T8 f: C, F3 vtime. (Excludes time for off-system maintenance and repair of detached M( E9 v0 O$ z& { H6 ]- Z* b+ Ccomponents.) MEASAT Malaysia East Asia Satellite. 7 ^* V, x. |5 R) k9 CMeasure of 3 K5 I, k/ `$ h4 N: [; ?; BEffectiveness (MOE) - D. S) r! M( t2 ~The quantitative expression (sometimes modified by subjective judgment) of the success of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth 6 v2 t. m8 m) e) Y0 ^& yOrbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, - i% k* n$ s) Y# D* jlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes 2 x& f! h& T$ N+ m8 E2 {up to approximately 1 hour), and generally longer lifetimes. This region contains 2 W1 Y: U( Z. n- K2 f2 V8 Sthe Van Allen radiation belts where electronic components need special 0 k. \2 F. F: c5 m Kprotection. Medium Extended Air Defense System 7 r) F0 ]; K7 }3 F8 q- i(MEADS) A lightweight, highly transportable, low-to-medium altitude air defense and ) V/ H! a+ Q- Ptheater missile defense system designed to protect critical fixed and ( q% }; U" R- s' n# i- ]maneuverable corps assets. MEADS superseded the Corps SAM program in 1995. + p& y4 s0 E3 F c5 B3 N5 D @' M" ]Medium Power Lasers 8 s! q, H4 w5 ALasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. + e( a; O2 Y8 q: R; |, Q1 `Medium Range - R$ E5 [# p+ t( yBallistic Missile (MRBM) 5 M. K; g3 \. R# S: B: j6 K+ T5 {A ballistic missile with a range from about 600 to 1,500 nautical miles. Medium 5 }' F: G5 R+ j9 M7 \/ NWavelength - J* y6 b) R" W$ ~; d9 R( O% U" h# YInfrared (MWIR) Thermal radiation emitted by a source in the electromagnetic spectrum . y$ j9 z9 G( uencompassing infrared wavelengths of 3 to 6 microns. MDA GLOSSARY, VER. 4.0 M / b/ Q. A9 J" h1 W1 v180 % d, b$ n7 F' @: }* A+ K; XMEF Marine Expeditionary Force. 1 T; L7 g0 B4 A, q+ ?MEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. # q. `/ ?5 f" f3 Y( K: Y; OMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. & d _0 F& M1 n% [" x$ K9 x7 \Memorandum of + M0 L3 q, `: @: v& F) d# _! aAgreement (MOA) (1) In contract administration, an agreement between a program manager 0 \. ^+ Y! I. t9 m- \ r3 z/ g. ~and a Contract Administration Office, establishing the scope of responsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other # ]# z9 ^& |2 x+ E7 E, _9 acontract administration functions on a specific contract or program. $ z5 T. P) c3 S' x" _( R(2) Any written agreement in principle as to how a program will be n3 M) i! L ?* s% {administered. " r) p3 W& T" V) D0 a' NMemorandum of Understanding (MOU) Official agreements concluded between the NATO countries' defense ministries ! n# D/ W9 \4 P; y2 e6 c; A4 @( Obut ranking below government level international treaties. De facto, all partners : M5 r/ B+ q% A& xgenerally recognize such agreements as binding even if no legal claim could be 7 G' f9 }, |0 U: K& N% tbased on the rights and obligations laid down in them. MEO Medium Earth Orbit. 8 @4 w+ n; a! x- DMER 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. Mesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. H! G/ y' T) @8 rMethods Engineering The technique that subjects each operation of a given piece of work to close ; y x( D1 P; m% danalysis to eliminate every unnecessary element or operation and to approach : Q7 M$ X9 V; x% \the quickest and best method of performing each necessary element or operation. It includes the improvement and standardization of methods, ' L3 J0 V$ {; Q1 v& Aequipment, and working conditions; operator training; the determination of standard times; and occasionally devising and administering various incentive plans. 1 }0 b, N! _/ Y- q AMETO Minimum Effort Task Order. y7 |! ]( X6 i- J- UMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. 4 e$ E+ o2 D% v( {9 s, i1 }2 qMETOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software 5 X$ S( L2 Y1 D. B6 E, jdevelopment process. MDA GLOSSARY, VER. 4.0 M 181 $ v; j/ U/ R& ^- u9 YMetrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to 1 d9 X. k/ `# sdetermine conformance to technical requirements including the development of 1 G: P: D. X: p" Dstandards and systems for absolute and relative measurements. 7 i( t i, q8 K2 r0 `7 OMeV Million Electron Volts. 0 J4 M! f% C& W* qMEZ Missile Engagement Zone. - q) l, ]- |( I; x2 wMFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. 0 I$ |# B; e4 ZMFG Master Frequency Generator. 7 }! }/ c* f8 D' ]$ C# M; |MFL Multiple Folded Ladar. MFLOPS Million Floating Point Operations Per Second. ( R2 ^: s5 i8 m! oMFP Major Force Program. MFR Memorandum For Record. MFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. ( q; S0 p% {! xMGMT Management. 3 d. v1 g' B) Y! r5 B t! j# MMGTS Mobile Ground Telemetry Station. & R" u) X9 Z3 Q$ DMHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. 9 k2 J! N% F8 g% g X- s0 }mi Statue mile (5,280 feet). + D0 }+ w" b/ j0 eMIC Management Information Center (MDA). . B# f3 u$ q0 \ XMICOM U.S. Army Missile Command, Redstone Arsenal, AL. / V* U% J( ]1 T0 P7 u: C+ BMIDAS Missile Defense Alarm System (US). Mid-Course Defense Segment * }( V" K3 K! t3 L$ V, l1 O(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight 2 C, E* L7 ] jbetween boost and atmospheric reentry. 0 @0 V% {+ i$ z* J: [! F" LMidcourse 1 w) ]3 X; |$ P0 bGuidance % B5 Y. u ^* c1 _6 k4 yThe guidance applied to a missile between termination of the boost phase and + \# m8 L- I3 w- fthe start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M 182 Midcourse (MC) : ?. }1 S0 e9 ~2 G& sPhase : s9 x! U; W4 |$ }; o1 LThat portion of a ballistic missile's trajectory between the boost phase and the reentry phase when reentry vehicles and penaids travel at ballistic trajectories above the atmosphere. During this phase, a missile releases its warheads and decoys and is no longer a single object, but rather a swarm of RVs and penaids falling freely along present trajectories in space. 4 ?. C4 J3 H' L) _$ g! N2 ^( e7 PMidcourse Space Experiment (MSX) & O, F5 r, o4 I9 _' M# IDesigned to provide demonstrations of midcourse acquisition and tracking from space, technology integration of optics, focal plane arrays, signal processing, 2 y2 ^2 X1 r+ T% F* h3 v$ getc., and collect background phenomenology measurements and target / B H( ?' K; C" {signature measurements. 1 v! B1 w1 H: p: HMidgetman US ICBM. MIDI Musical Instrument Digital Interface. - u s6 d% | w& e0 R, c$ fMIDS Multi-Functional Information System (USN/NATO/Telecomm term). MIIRD Mission Issue Identification and Resolution Document. MIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. MIL-HDBK Military Handbook. MIL-STD Military Standard. MILCON Military Construction. 9 l, P* g: V9 e7 }1 vMilestone . j& ~# T3 n& O, L+ }1 a: WDecision Authority 5 d9 |% u+ p2 W; W: S$ RThe individual designated in accordance with criteria established by the Under 7 u" [0 |6 r+ r, K DSecretary of Defense for Acquisition and Technology to approve entry of an ! B3 r: N0 _! f7 P; N4 f, Nacquisition program into the next phase. + I2 g- h; A9 Q1 JMilestones (MS) Major decision points that separate the phases of an acquisition program. Military - }4 l/ M c$ v( _* zCapability The ability to achieve a specified wartime objective (win a war or battle, destroy a target set). It includes four major components: a). Force Structure -- Numbers, 0 i% R8 L0 w( F9 `; h- \; hsize and composition of the units that compromise our Defense forces; b) Modernization -- Technical sophistication of forces, units, weapon systems, and / R3 |7 H. c, |equipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability 8 b3 c9 Q8 u( M3 a-- The ability to maintain the necessary level and duration of operational activity to achieve military objectives. Sustainability is a function of providing for and 5 P! ^* u5 R0 t% l& N$ kmaintaining those levels of ready forces, materiel, and consumables necessary to support military effort.