航空缩略语词典

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Kinetic Kill 9 W: e( g& G fVehicle Integrated , C) d% y9 i9 t3 L {! Q8 c9 H! L& jTechnology Experiment % ?: J9 V% M& {5 T; w# G(KITE) * C# J6 Q' x. m3 uA series of test flights at WSMR to demonstrate HEDI technologies. KITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated Technology Experiment. ! A7 g' p2 F; x4 |: eKKV Kinetic Kill Vehicle. - |6 G4 K: L$ j+ ^9 K j5 X8 VKKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. Km Kilometer. g$ t% ^$ e# QKm/h Kilometer per hour. ' f9 @: h& s* Y) [% ~2 yKm/sec Kilometer per Second. / t5 M) t/ u1 [8 `KMCC Kwajalein Mission Control Center. KMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. 3 o- B! A' G1 D; m lKPP Key Performance Parameters. MDA GLOSSARY, VER. 4.0 K 159 9 [) a1 D# Z8 C9 c/ a- ?5 }" K8 SKr Krypton. KREMS Kiernan Reentry Measurement System. % K( j0 h& D/ y; u# HKSC Kennedy Space Center, FL. - b. y- v1 c' a3 t- WKt Kiloton. 2 J( m6 u4 y" M/ ]7 iKTF Kauai Test Facility, Barking Sands, HI. KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. ! C2 ?, G& k, W" ~Kts Knots. 3 t/ c( q- g, lKV Kill Vehicle. ' x) x4 Q+ i7 p( ]& [kw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 ( N W" @ g. E6 l uL&TH Lethality and Target Hardening. $ I( o4 X( d8 G/ |L1SS Level 1 System Simulator. k8 Z- R. s! Y' E6 F+ d+ d8 CL2SS Level 2 System Simulator - NTF. 6 l* D& R9 B* i# m% X" v- GLAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. 1 U m9 b- n& k0 s! oLABCOM Laboratory Command. LABM Local Area Battle Manager. LABP Look Ahead Battle Planner 9 v1 {- e# o- `8 @LAC Low Authority Control. LACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). * n8 B7 ]9 E0 I1 ~& @4 wLACM Land Attack Cruise Missile. LADAR Laser Detection and Ranging. * s8 L0 |3 a6 lLaddering Down A hypothetical technique for overcoming a terminal phase missile defense. ; Z& {7 m8 P% ~6 E& `- BSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo disable local ABM abilities so that following salvos are able to approach the 4 g$ z Y: j, u1 n6 ^% utarget more closely before being, in turn, intercepted. Eventually, by repeating : F, g* R9 }1 @0 r; n( Sthe process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). LADS Low Altitude Demonstration System. # U1 }, C# ^) a+ y) GLAFB Langley AFB, VA. LAMP Large Advanced Mirror Program. LAN Local Area Network. Landsat Land Satellite (NASA program’s satellite). 6 u$ y, T, ~' [& k; [# SLANL Los Alamos National Laboratory, NM. 9 Z/ x0 a8 \' }LANTRINS Low Altitude Navigation and Targeting Infrared Night System. % q' d8 c: b! q ~LAO Limited Attack Option. 7 n3 _* Z/ @9 u4 E6 l* I" Y: T: hLAPL Lead Allowance Parts List (Navy term). ! A8 q, _+ w Z1 l, iLARC Langley Research Center, Hampton, VA. * o" @! m" e" P, i+ FMDA GLOSSARY, VER. 4.0 L 7 Q" ?; ^- I; \% F9 M: x162 ; G5 {. O; s% U6 e4 J; y. A- HLarge Optics The technology of constructing and employing mirrors over 1 m aperture to direct # W" n! C0 G7 I Z# zand control high power beam weapons/systems with large coverage, or to provide high resolution or high sensitivity for detection and/or imaging. * P3 g1 _ t3 O7 O" `* rLASA Large Aperture Seismic Array. P) D- [8 V2 F4 r- V% N7 @% DLasant A material that can be stimulated to produce laser light. Many materials can be used as lasants; these can be in solid, liquid, or gaseous form (consisting of molecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon dioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon 4 Z `/ {6 ^" e& D0 j) i6 h, V4 |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 ! B# V, B! q- b% W3 Ebeam of coherent visible or infrared light; the input power excites the atoms of an a2 b1 u+ N1 H1 \" ^optical resonator to a higher energy level, and the resonator forces the excited : J) s/ I) `- katoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its 1 L9 x/ E( w, X4 ?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. Laser Detection & n7 s9 ` e7 I# Cand Ranging (LADAR) ( s& [( z" _& G+ ~: KA technique analogous to radar, but which uses laser light rather than radio or microwaves. The light is bounced off a target and then detected, with the return beam providing information on the distance and velocity of the target. Laser Guided * q+ x" I. A" C! R, h6 ^Weapon A weapon that uses a seeker to detect laser energy reflected from a laser - _3 L! C4 s, e3 ?4 d4 ~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 # X7 p* t* T) URadar + f# k( Y9 z6 C/ qA 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. 5 q. K U* d, e c2 X* G( G8 r+ wLaser Optics Technology associated with the use and control of laser beams with flux greater & ^) s( n) I- @7 j( u8 Nthan 1 watt/cm2. * l6 y: S& l! x6 A' 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. % ]) f5 l: m( Q3 } ~% l0 q/ ]" zLaser Target + C% H' n9 e* \/ ~. P: X; y1 n. l/ fDesignating ^* A$ A2 r; QSystem A system that is used to direct (aim or point) laser energy at a target. The system consists of the laser designator or laser target marker with its display and control components necessary to acquire the target and direct the beam of the ) J$ R2 o! K, Zlaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated : G0 H a6 h5 c) e+ E& W; @- N2 Pand defines the direction of the target relative to itself. + ^9 Y: A8 T7 G9 W2 I. G6 f8 qLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent $ t* Z; @9 u4 K* nradiated power greater than 1 MW. LASERCOM Laser Communications. LATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L 163 Launch Azimuth Missile launch location measured in degrees clockwise from the local northpointing longitude line at the launch site. (USSPACECOM) 3 R3 @) j' G* Z( z8 _Launch Detection Initial indication by any one of a variety of sensors that a booster has been 9 B0 ~% \- s( `7 q: x' S1 [2 K4 Elaunched from some point on the surface of the earth, with initial characterization of the booster type. (USSPACECOM) Launch Point ! S1 S8 b0 B- b* j4 d! s, V! C* f* kDetermination With computer methods, uses missile track observation to estimate the point on 2 }$ L' P- ?) e) ]! K8 B* X/ O6 g. Ithe earth’s surface from which the missile was launched, expressed in terms of ! V3 O, d( N4 g1 d4 F/ Y0 w K8 Dcircular error probable. Launch Under Attack (LUA) Execution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. Launch 0 _5 g2 q R. K9 S" h; JVerification Confirmation of a detection of a booster launch by receiving a report from a - x9 d: c' f4 D6 w9 w- _sensor separate and independent of the sensor that initially detected a specific booster launch. Layered Defense A defense that consists of several sets of weapons that operates at different , j' U' N2 v& S, u' \/ Qphases in the trajectory of a ballistic missile. Thus, there could be a first layer (e.g., boost phase) of defense with remaining targets passed on to succeeding layers (e.g., midcourse, terminal). / A1 o+ q# ~: `& V6 s( M, ~% U. ulb Pound. 1 X+ e1 l) F/ PLBL Lawrence Berkeley Laboratory, Berkeley, CA. `3 B3 H" a7 ` WLBM Localized Battle Management/Manager(s). " @2 M+ B8 m% iLBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. / n4 R3 k! z1 z; FLCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component 8 S3 ~' S5 X+ N8 W& j. OCommander (JCS term). LCCS Life-Cycle Contractor Support. LCF Launch Control Facility. % t5 O e% L! H8 p, LLCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). 0 f8 B* T5 ]* h9 ELCN Logistics Control Number (ILS term). LCOM Logistics Composite Model. : f9 D$ e# F; m% U" m3 oLCN Logistics Control Number (ILS term). 2 b) e0 O' o' R9 A# wLCS Laser Crosslink System. LDC Less Developed Country. ( |( M5 x! ~, Q4 _$ n3 BLDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. 0 B' {6 x2 Y# IMDA GLOSSARY, VER. 4.0 L 164 LE Lethality Enhancer (PAC-3). * O1 L' f9 @% e" Y! s6 z) `Lead Component/ * y) ^. P" B5 q; C S! I8 YService 2 ^! Y; B8 R1 w% z( G7 y; S; T# WThe DoD Component designated by SECDEF to be responsible for management of a system acquisition involving two or more DoD Components in a joint 8 T: O5 N" c. q- d u7 jprogram. 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. Leakage (Max) The maximum allowable threat objects passing through a BMD system expressed * R/ |) g9 y& n" }as a percentage of the design-to threat. To ensure overall system performance, . H( [9 H5 |7 R3 ?& c5 T/ _permitted leakage is “budgeted” among individual BMD phases and functions. LEAP Lightweight Exoatmospheric Projectile. LEASAT Leased Satellite. Least Privilege This principle requires that each subject in a system be granted the most 8 g! D$ P2 m [3 t6 {restrictive set of privileges (or lowest clearance) needed for the performance of + H9 P7 j o0 y% Zauthorized tasks. The application of this privilege limits the damage that can $ a i. ]! N- G' y/ aresult from accident, error, or unauthorized use. LED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. LEDI Low Endoatmospheric Defense Interceptor. ) A0 `. @; o, S' S/ c* vLEDS (1) Low Endoatmospheric Defense System. . Q J) A, |1 y! S t" J! Z(2) Link Eleven Display System (USN term). . u! r0 ?* b/ U1 U, _- SLEI Low Endoatmospheric Interceptor. . g1 n' V, w3 o HLEIP Link Eleven Improvement Program (USN term). LEL Low Energy Laser. LELWS Low Energy Laser Weapon System. LEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. LETS LWIR Environment and Threat Simulation. ( k4 [" e( P& v8 ]( y+ f' c oLevel of Effort (LOE) Effort of a general or supportive nature that does not produce definite end / Q h2 G( b1 Y, `- ]products or results, e.g. contract man-hours. 5 \5 v D2 x0 j8 T t" B$ ULeverage (1) The advantage gained by boost-phase intercept, when a single booster 2 p9 S# w0 D1 p& n+ R$ ?) I2 I) j5 Jkill may eliminate many RVs and decoys before they are deployed. This could provide a favorable cost-exchange ratio for the defense and would reduce stress on later tiers of the SDS. % W. }: H; l! p$ v, [) l(2) In general, the power to act or influence to attain goals. . K: C- N; | M4 L7 r+ WLF (1) Landing Force. (2) Low Frequency. MDA GLOSSARY, VER. 4.0 L 165 " M0 h/ `1 C% N2 nLFIE Live Flight Integration Exercise. LFOV Limited Field of View. : q! i3 U+ ?* n8 RLFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. LGB Laser Guided Bomb. 7 m# M4 @- s* Q1 G8 f0 I( qLGM (1) Laser Guided Missile. (2) Loop Group Multiplexer. % Z' V& d, C( A8 C5 KLGSM Light Ground Station Module (USA CECOM term). 5 L% A( k& F; v, C7 gLHO Amphibious Assault Ship. Li Lithium. * j1 O, v+ S _5 _6 S" F4 v* hLIC 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 9 H% E6 V9 Z; Udeveloped until the time it is either consumed or disposed of as being - b" \9 F$ }7 h" Vexcess to all known materiel requirements. (2) (Software). All the states a software or software related product passes - l6 ]2 m. a# othrough from its inception until it is no longer useful. Life-Cycle Cost (LCC) The total cost to the Government of acquisition and ownership of that system " ?8 ?$ Y% Q4 t0 F& m- u- Tover its useful life. It includes the cost of development, acquisition, support and, where applicable, disposal. Life-Cycle * w# B5 k, t% o9 dManagement $ @1 G/ B; l* F G" R5 FProcess for administering an automated information system or hardware support , _: a$ u$ I) ~) J; o7 W& C) Hsystem over its whole life, with emphasis on strengthening early decisions which shape costs and utility. 6 h1 o4 G% l/ ?5 W. i9 r% w* ]Life-Cycle Model A framework containing the processes, activities, and tasks involved in the development, operation, and support of the system, spanning the life of the system from the definition of its requirements to the termination of its use. 0 B. j7 j) a3 o/ k4 G( ~5 f2 OLife Cycle of a 0 X$ d `& U; G, ^: h( c4 }Weapon System All phases of the system's life including research, development, test and 2 y1 l S+ G) \! U+ j4 ]3 Devaluation, production, deployment (inventory), operations and support, and disposal. 1 O8 t5 ]* [6 g/ H. [Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket 2 Z. x& b3 _2 w; |contains subsystems that perform power, communications, and environmental ' d, o+ n3 w' T4 |6 \1 J9 Dprotection functions. Light Detection & {% [2 `9 d. Oand Ranging - p7 {+ _" }1 C(LIDAR) A precision probing instrument used to measure concentrations of different " Z2 F+ b* }7 z8 I/ Zgasses or particulates in a given amount of atmosphere.

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Light Replicas (LREP) / i! m6 A( C% kDecoys that, by virtue of shape, closely approximate an RV’s signature with little off-load penalty. 9 b5 ~8 i# ~; W8 K* dLIMIDIS Limited Distribution. MDA GLOSSARY, VER. 4.0 L ; D8 y- u l$ I" J- ~9 x166 ' m% }$ H; {) |2 a% T" lLimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is , e- s$ m( C! kgeographically distinct. Not an all-out attack or mass wave. Limited Defense 4 V* L" s1 ?; B( s G* c# `% cSystem (LDS) # N# n' q; o k$ |( c8 T, V* dThe development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile + F! }# r! V: ?0 q" U/ g/ S: z8 GDefense Act, as revised) capable of providing a highly effective defense of the + a7 {! D+ G1 }$ q0 _United States against limited ballistic missile threats, including accidental or unauthorized launches or Third World attacks, but below a threshold that would bring into question strategic stability. ( u; N% n) x/ y' i: M4 \% rLimited Operational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to . R) n% B) B, @8 k5 ]" tprovide a limited protection system. Limited ' P# K1 G. Y d! I6 _Production & f3 Q' Z9 }! w* P1 G+ wThe initial production of a system in limited quantity. Part of an acquisition strategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a factories capabilities prior to a decision to proceed with production. Decision $ D6 R& F- A8 }1 @usually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) ) H# I1 l/ }, m* Z( F: _# j. G- WLimited Test Ban Treaty 4 r' t' U7 o2 y8 Q4 GThe 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 " }8 [1 r& H8 q0 ?! C+ cunderground, and prohibits nuclear explosions underground if they cause 7 i' A6 c: I8 [radioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. 5 X6 s+ j, K9 _" l- l+ D. ^9 ^LIN Line Item Number. Linac Linear Accelerator. 4 A! } e* Q& m4 b: u& @Line Item (Budget) ) N7 J/ Q( t7 u4 R& BA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight ' ?$ |+ ]! t7 C' W! h1 V; P& l(LOS) The line from sensor to target necessary for the commencement of the detection, # A' |3 d2 q% {4 _ [$ _acquisition, track, and identification of a target. Line Replaceable P z* k1 S2 V2 [Unit (LRU) An essential support item removed and replaced at field level to restore end item ' N. j9 f# D, h7 V2 `to an operationally ready condition. (Also called Weapon Replacement Assembly and Module Replaceable Unit). . h; H1 C% q# ?; z1 t x. A: X8 QLink-16 TADIL-J. ' L3 f, g P9 JLink Quality Evaluation This testing of links to create bit error estimates and monitors natural or induced link interference. 7 R7 N7 ? k7 H: `LIP Lethality Improvement Plan. 0 O1 m5 ~2 s0 j: p* } p# @9 l, |Liquid Fuel : d0 o0 V$ x$ z& s3 aBooster (LFB) Target booster being developed to mate with current reentry vehicles and F7 C6 H, C/ hemulate the short/medium range threat. 6 R( g/ U% |7 RLIS Laser Isotope Separation. 6 d4 n: B8 j: W5 ]/ t$ U! b5 L( l! q6 pLITINT Literature Intelligence. & X) m& P4 J' P: m. S" Z: ~: f8 `MDA GLOSSARY, VER. 4.0 L 167 Live Fire Test And Evaluation * D6 _* N8 u' z! q! E+ n! D(LFT&E) ) I1 b2 H) k- h: X5 J* t) ^( }7 r/ mSurvivability testing and lethality testing required before full-scale production. # {/ s" S! x" m# a* c I3 aMust be conducted on ACAT I and II programs for: (a) A covered system (a 2 A& f4 U6 A V$ X( A( econventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product 7 Y: u& c, t7 O# H1 s9 h0 i3 |improvement program that will significantly affect the survivability of a covered + i: }% h! H6 _5 B1 gsystem. 9 `/ F- `3 L: P4 {* m0 D9 {+ tLIVEX Live Exercise. LIWA Land Information Warfare Activity. ) G7 N$ ~. K# E3 Y& z' ^# wLJ Life Jacket (BE term). LL (1) Lincoln Laboratory, Lexington, MA. 9 O' ]! C1 I F- M. ~(2) Legislative Liaison. 3 y; W; ]& Q. Z! tLLM Long Lead Material. * K" v {$ t$ {1 W5 b" jLLNL Lawrence Livermore National Laboratory, Livermore, CA. 5 a8 Y9 E) j$ A0 gLLTIL Long-Lead-Time Items List (ILS term). LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). 6 G" \; k% b9 a% y- WLM (1) Lockheed Martin, a defense industry contractor. " {- a* o8 Y4 n8 ?: {, h; j% S3 R(2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. LMA Lockheed Martin Astronautics, a defense industry contractor. ; K0 Q6 A3 F+ H& P) ]LMANS Lockheed Martin Aeronautic and Naval Systems. LMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. LMIS Logistics Management Information System. LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). # r* u1 Y; \! G2 HLNO Liaison Officer. 8 N- r/ Z. }# e4 y# gLO (1) Local Oscillator (Electronics Engineering term). 5 O0 X, z, @2 {: u(2) Low Observables (LODE-related term). ! G' [+ h9 x8 v+ ]9 F* |9 ]LOA Letter of Agreement. LOAD Low Altitude Defense. # @. L- T8 T! W+ H. ]* q4 A5 G6 qLOC (1) Lines of Communication. % e; g& x; g4 `: W8 f( Y/ ?* d(2) Lines of Code. (3) Limited Operational Capability. 7 L9 |9 ^% y% |5 ?, j) U2 hMDA GLOSSARY, VER. 4.0 L 7 k) r$ y8 j9 X0 B5 S+ z- m168 ) L5 |1 U$ B+ DLOCAAS Low Cost Autonomous Attack System (USAF term). Local Assessment of Engagement The assessment of an engagement by high-resolution fire control sensors. : h5 T E. r; F" YLocal " a9 p2 ]3 C F9 _( }& KEnvironment The ISTC Local Environment contained within each node simulates the element @" X: a+ _4 {6 z9 d6 {to the degree necessary to generate a realistic input to the Element Processor of Element Processor Emulation and provide a realistic response to the Element Processor or Element Processor Emulation. : b! |& I8 z/ W4 ~0 {/ kLock On Signifies that a tracking or target-seeking system is continuously and ! w! n* v/ |/ ~; J6 iautomatically tracking a target in one or more coordinates (e.g., range, bearing, elevation). LODE Laser Optics Demonstration Experiment. 9 {7 a- |/ {3 {$ i% |& xLODTM Large Optics Diamond Turning Machine. , u8 y U2 A8 Q5 I3 ~/ aLOE (1) Level of Effort. (2) Letter of Evaluation (AF). LOF Lifejacket Orbital Flight (BE term). Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range. LOG Logistics. ) I6 g8 K8 F" E; dLOG.WIPT Logistics Working-level IPT % ?5 i6 s7 q$ L- L5 n, m3 R+ }LOGAM II Logistics Analysis Model II. 4 h! ]5 R' J0 s) ~LOGFAC Logistics Feasibility Analysis Capability. 0 s" T) x, ^- p0 @5 FLOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of forces. In its most comprehensive sense, it includes those aspects of military operations which deal with: (1) design and development, acquisition, storage, / k: [8 Q+ [' V$ b1 y; |movement, distribution, maintenance, evacuation, and disposition of materials; (2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 8 s' Z" h5 U, B7 U7 ^construction, maintenance, operation, and disposition of facilities; and (4) 1 F3 E& k' s: r. n; y! ~/ jacquisition or furnishing of services. " Q. M3 N' a$ e+ L# [, Q6 K( dLogistics Support The supply and maintenance of materiel essential to proper operation of a 0 f5 H: a7 d1 j) m2 S5 isystem in the force. Logistics 5 ]$ ]# M1 t; y) TSupportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow ' V4 W, p( ~1 c; {meeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L 1 L9 b# u! p( ~: s" \169 Logistics $ t# T1 a9 E# Y& K* C* g1 m% KSupport Analysis (LSA) ! [& _3 I% K! v1 D# AThe selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: 8 `2 I R& d, mcausing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring the required support; and providing the required support during the operational phase at minimum cost. Logistics Support . G" O* j8 E0 l B; G4 WAnalysis Record (LSAR) 1 D9 K, p7 {. J: f3 YA 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, / o3 ^* h% R8 xand transportability. LSAR is the basis for training, personnel, supply 6 p P" |, A8 T+ a* u) v% y2 }" L sprovisioning 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. 3 C- q( C8 M- V/ H* YLOMEZ Low Altitude Missile Engagement Zone. Long Lead Items , x3 E* P" d, U( j+ z5 ~Long Range Air Launched Target ' O2 H6 s: A% Y8 C' m3 V) S: c(LRALT) 4 a$ e; x9 v8 q; U, cThose components of a system for which the times to design and fabricate are 7 ^, \4 @2 y" h) tthe longest, and, therefore, to which an early commitment of funds may be % A. X' J! g+ F5 \desirable in order to meet the earliest possible date of system completion. . H7 E, }. i0 p# ~4 [% gTwo-stage, air launched ballistic missile target being developed for MBRV-4. Long Wavelength 1 B+ g, n$ P4 C$ D. GInfrared (LWIR) % G* R9 y; N. J0 o# I! X$ f) XThermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns. LOR Level of Repair Analysis (ILS term). LORA Level of Repair Analysis (ILS term). LOS (1) Line of Sight. (2) Large Optical Segment. ) I8 [9 P, ]6 d: ]( T& r$ SLOTS Logistics Over-The-Shore. 8 L0 f: ^& F) U. A% h2 ELOW Launch on Warning.

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Low Altitude Demonstration # J4 R* I$ V; r7 n; p3 N2 pSystem (LADS) Part of the SBIRS Low Program Definition and Risk Reduction (PDRR) program 1 l: v% M) i7 J- mphase. The LADS will consist of a flight experiment and extensive ground demonstrations by Boeing North American. The LADS flight experiment will be " e6 M! ^! o% [% w/ s+ tlaunched in late FY99 to demonstrate the sensor performance of a SBIRS Low " @2 c2 r) ^* x+ H2 uconcept and collect phenomenology data. e; f# R. ~- A4 Q, nLow Earth Orbit 8 }8 l& O# E* W7 ]5 r& a; e- {(LEO) These satellites are at altitudes between 100 and 400 nautical miles. They 2 d/ O9 d8 z/ K; c0 Hhave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 8 Q4 w% T* ^# ]% Cminutes up to 10 minutes over a tracking station), short life spans, and are most subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. 3 g- {, o( E% z! t5 zLow - X/ G R3 E5 h9 j, ^Endoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. MDA GLOSSARY, VER. 4.0 L 170 Low-Rate Initial / ?1 B7 f8 \/ y4 R# ^% YProduction (LRIP) - {+ F. n v7 [9 p0 _The production of a system in limited quantity to provide articles for operational 1 W' L0 y9 H4 R3 _) i: R, L% Ftest 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 * j8 d3 n4 z0 a% H! ]5 P. pupon successful completion of operational testing. / {* M2 R0 j2 W! W, u) XLOWKATRER Low Weight Kinetic Energy Active Tracker. LOWTRAN Atmospheric and Interstellar Background Signature Model. , Z: ~2 Y: s9 ?# ?LPAR Large Phased Array Radar. LPD Low Probability of Detection. LPE (1) Liquid Phase Epitaxy. 3 H. ?0 r6 t' |0 I9 P(2) Launch Point Estimate. LPI Low Probability of Intercept. . L2 t( |) t* Z/ u$ J& p w! ^LPS Limited Protection System. LR Long Range. LRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. Y1 M/ S# J8 M' WLRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. + f5 l* `2 Y9 J1 w$ r+ a5 oLRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. 5 l1 e# F, N% x# I6 ~LREP Light Replicas. LRF Laser Range Finder. 1 Z( K4 J \- e: P2 a2 p) vLRINF Longer Range Intermediate Nuclear Forces. 4 R: ]9 S9 j$ v' d4 {LRIP See Low-Rate Initial Production. : J( C, f1 m2 _8 z* sLRIP-OT Low Rate Initial Production – Operational Testing. " }1 s8 k* @3 f: a5 ^LRTBM Long Range TBM. + N" ^3 O0 s' P. \+ i# TLRTNF Long-range Theater Nuclear Force. 2 {3 U; g1 k# d/ Y1 Q: l; ^LRU (1) Line Replaceable Units. (2) Line Replacement Units. ( B8 A' O4 p$ S% D6 w+ ~5 _LS Launching Stations (PATRIOT). LSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. 2 Z% m6 I" n0 z2 ELSAR Logistics Support Analysis Record. * r! z2 H0 w# ?9 h: L* ULSART LSA Review Team (ILS term). 3 g) P, e' i4 A$ RLSAT Laser Satellite. MDA GLOSSARY, VER. 4.0 L 171 LSAWG LSA Working Group. LSE Lifetime Support Engineering (ILS term). LSEA Lifetime Support Engineering Activity (ILS term). ) l+ _1 ]( [# T x6 @LSI Large Scale Integration (circuits). ; N# E7 E3 e: k2 rLSRS Loral Space and Range Systems, Sunnyvale, CA. 6 ^9 F, Q4 B7 d1 P3 T+ tLST (1) Laser Spot Tracker. (2) Landing Ship, Tank. 1 x; ^$ J- I6 y& dLSTS Launcher Station Test Site. LTA Lead Time Analysis. LTBT Limited Test Ban Treaty. LTD Laser Target Designator. LTH Lethality and Target Hardening. 5 Q6 K2 r* P& D9 H$ h2 ?& VLTS Low Temperature Superconductor LTV Launch Test Vehicle. LU Launch and Update. LUA Launch Under Attack. LUP Limited U.S. Protection. ; O0 h, ^0 G3 _LUT Limited User Test. * Y2 s: I9 s) S# J% w% B: K, Y7 Z" VLUT/OA Limited User Test/Operational Assessment. 4 s# U. p& |6 F" _. m8 I9 I( c' ?LVS Loral Vought Systems, a defense industry contractor. . ]( s% {& B E. ULVT Low Volume Terminal (USN/NATO/Telecomm term). LW Laser Weapons. + G" J6 w4 ?% }* C' O4 T! wLWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. LWIR FPA (PET) Long Wavelength Infrared Focal Plane Array (Pilot-line Experiment Technology). LYTBT Low-Yield Threshold Test Ban Treaty. ( P; U. f, i q* Q) s0 N/ Y0 XLZ Landing Zone.

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MDA GLOSSARY, VER. 4.0 M 8 n+ {* }2 \! B2 o0 q173 m (1) Meter. (2) Minute. M (1) Model. (2) Million. (3) Mega. 5 ?0 y; S8 i i$ L4 j' DM&LC Missile and Launch Control. M&P Manpower and Personnel. : o: g( Z* D9 o: NM&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. 3 _9 W+ L+ i" j- b: eM/LWIR Medium/Long Wavelength Infrared. M/P Manpower/Personnel. 9 P3 X4 y; J- E2 e; MMAA Mission Area Analysis. MAAG Military Assistance Advisory Group. MAB Missile Assembly Building. , Y' U3 ^- Y2 B3 r8 b. h3 z YMAC (1) OBSOLETE. Military Airlift Command. See AMC. (2) Maintenance Allocation Chart. MACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). , K/ Y6 o- E0 m. FMACCS Marine Corps Air Command and Control System. $ w+ R. U9 u4 V4 i6 a+ H4 J$ CMACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. 9 N0 u; {" ~: j. R" IMADCAP Mosaic Array Data Compression and Analysis Program. [+ o8 G5 A6 u: W% Q" v# a9 t: `MADS Modified Air Defense System. 1 O5 A2 o1 k U k5 gMAE Medium Altitude Endurance. MAGTF Marine Air-Ground Task Force. ) s& B$ w% w! N' P) @Main Beam The primary directional EMR emitted from radar transmitters. 7 i2 l" n5 f' Z. x- ^! q3 V( y. pMaintainer An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, 0 G2 D* U$ p$ Zservicing, classification as to serviceability, repair, rebuilding, and reclamation. - E& B/ s: u8 ]. x4 {8 i* _4 tMaintenance " W: Q0 ~4 Q2 D( Q! M$ G. E8 wConcept/Plan % A; |* M; c# B- W u# y; nA description of maintenance considerations and constraints for " a4 x {# P, h1 xsystem/equipment under development. A preliminary maintenance concept is 1 }3 s% U/ N- K: F/ Y f' J0 p) Hdeveloped and submitted as part of the preliminary system operational concept : h o9 V1 c1 o- U! f& M% efor 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 # ], c2 y/ x2 N6 O" r0 f# q174 Maintenance Operations 1 R' m( P' {6 WThe corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing ]( y& r% e! x7 K! fand the update of relevant status configuration, maintenance, and inventory * A; E. i, D( Y, d. D" Cdatabases. . Y% o$ J) V# M# U2 uMaintenance % s1 |: v" v& K4 g. T! ]! SPlanning 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). % _. X. P4 n! a, lMAISRC Major Automated Information System Review Council : ^8 |4 D1 V% m* a7 `3 tMAJCOM Major Command (USAF). 7 q1 j& A( ~3 n+ L JMajor Automated - I! A/ h6 }( k4 T: X( d& i1 V( t# HInformation " V, G. P3 o( ~. y% _System Review + M/ `2 ?( v$ ^# |! w6 \ B5 xCouncil (MAISRC) ' Z' C( h# r; x+ p! N6 L3 s+ ^# SThe Senior DoD information management acquisition review board chaired by ; o2 ^- l% j3 g; W. ]! `the Assistant Secretary of Defense for Command, Control, Communication, and Intelligence. See DoD Directive 8120.2.

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Major Defense Acquisition Program ) _2 ?- V6 [4 [! ]/ g3 m7 `( \An acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 6 j. _% @5 o6 U& a, ~% H1. 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 . T% A, A5 h7 j: G7 I0 t& Vto require: a) An eventual total expenditure for research, development, test, and / A- j- l! E. w& F9 x0 Devaluation of more than $200 million in fiscal year 1980 constant & a( c7 h; a1 y9 J( k0 Q y/ Udollars (approximately $300 million in fiscal year 1990 constant * u( `5 Z, c1 g$ X2 Ndollars), or ( H n5 r: \$ `: E! d0 J% e# kb) An eventual total expenditure for procurement of more than $1 billion in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major : ~6 t# B, S6 qModification A modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications 0 x4 K" }# }# [+ Prequire a Milestone IV decision unless the decision to modify results from one of % v( ~5 \9 x9 D1 d4 Z8 s; xthe alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. 6 a! F- h( S( T- a5 wMajor System A combination of elements that will function together to produce the capabilities + k$ c2 ^6 S& }$ Zrequired to fulfill a mission need, including hardware, equipment, software, or any combination thereof, but excluding construction or other improvements to real property. A system shall be considered a major system if it is estimated by the 9 ^& T, i) Z$ d* FUnder Secretary of Defense for Acquisition and Technology to require: 7 }2 V6 t0 x# W4 Y, Y1. An eventual total expenditure for research, development, test, and 4 i! q* D0 |. w" c4 ?4 Pevaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or 2. An eventual total expenditure for procurement of more than $300,000,000 in 7 ?2 q% A3 ?: l( zfiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year ; z% N) u; ], _1990 constant dollars). ( R. V2 W0 x( s6 K, S) T9 kMAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 6 q1 o: [: J @! H l' @2 ~$ D175 * c- b1 Z- j# u# m) T9 xMandatory % [( y5 F1 h; s% N" F3 ^Access Control A means of restricting access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal authorization of subjects to access information of such sensitivity. Maneuverable Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces 8 l4 v4 V* r0 I5 W( Ywhen they enter the atmosphere, allowing them to turn and dodge rather than ( U; P { x6 F; qfall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). 5 C; E. O8 S( K4 V$ JManpower & g! {% O0 d4 [( U% | ^! Q6 x# ]Authorizations 9 {3 W% m0 I3 a8 p4 L1 H* EThe billets in the manpower requirements structure that are planned to be filled. 4 B6 \+ s! b' M" O* a1 _Manpower Estimate Report ! B" U1 i/ g/ ]* F: k4 \" X( e+ S# e, u(MER) 1 A$ E& ]! `0 W5 O' w/ ^1 sAn estimate of the number of personnel who will operate, maintain, support, and : ?& m9 x% z5 l: }+ d. ?! ktrain for the acquisition upon full operational deployment. The Services prepared 5 R: }+ |+ f. }the estimates, and the SECDEF submits them to Congress 30 days prior to approval for EMD or production. , b: R8 T& e" S: t8 I9 BManpower, Personnel, Training, and 0 g4 \ B, e1 {6 `4 ?, {Safety (MPTS) The human dimension of the complete defense weapon system. The term MPTS also encompasses the concepts and disciplines of human factors ! ~* C: s1 q/ F$ R: h9 Hengineering and health hazard prevention. Manpower, Personnel, Training, and Safety (MPTS) . F( z) @# e' u, q E+ AProfiles ; N7 j8 N- G, \" \A description of human dimensions and constraints involving a major system + M* d4 _$ K1 ]) K' r. H+ nthroughout 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. 7 @) ]. d( M0 M/ p1 j) bMANPRINT Manpower and Personnel Integration (US Army). MANTECH Manufacturing Technology. % @# T0 u5 A4 s6 NManufacturing (or # f7 K7 [& H% ]! j5 \) Q8 L& f( X2 uProduction) ' S/ N2 _! o X' _+ b5 E# m/ HEngineering 8 P# R0 E0 m% |9 WPre-production planning and operation analysis applied to specific product 9 }" a) k* q+ Y [) a& S: Z% a8 |* ^designs. 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 " \8 e7 D0 ^2 xemploying cost control and quality techniques from the factory viewpoint. 5 g9 h- c% d' \- a% o7 l/ M$ [Manufacturing Operations, Development, & b0 y9 A4 y0 _and Integration Laboratory + c8 [- g( D0 v. Q# ? [$ f(MODIL) 4 C/ ]1 F( R4 W8 l# aAn SDS-peculiar integration mechanism to link product technology development t, _& J; z5 v T- A# B( ~concurrently with manufacturing process and control development for a costreducing effective SDS development. 9 N. o) ]/ B. m; DManufacturing * m/ o: d- f" o+ r* C9 \7 v7 T) [Technology (MANTECH) ) V* u' h% n: n: ~! ~. OManufacturing technology refers to any action which has as its objective the 1 q! b+ E* W7 B* ~* M1 rtimely establishment or improvement of the manufacturing processes, techniques, 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 DoD program in this area. MDA GLOSSARY, VER. 4.0 M : K' `9 l' O' n9 E- Z6 B176 MAOC Modular Air Operations Center (JFACC term). MAOPR Minimum Acceptable Operational Performance Requirements. % C) o2 H2 N4 ^MAP Minimum Acquisition Program. & \$ \" j" }- A% ?7 nMAR Monthly Assessment Report (BMDO/POC term). " F! D, n7 ^% c; o9 z: X P2 Y' X) NMARCO Marine Corps.

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Marine Air Command and ( l* F$ x- p% }. ~ J7 Z- PControl System 4 {5 e7 w1 m! v: d( Q. \A US Marine Corps tactical air command and control system that provides the tactical air commander with the means to command, coordinate, and control all 4 B3 G# e% Z2 y/ I8 r% [air operations within an assigned sector and to coordinate air operations with other Services. It is composed of command and control agencies with communications-electronics equipment that incorporates a capability from manual # u% m) S* c" A- X6 v% Kthrough semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget ' _, ]1 L n" F4 `- T' wby congressional committees. , v: i, v2 t |5 VMARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA L# b# J" R G$ ]" aMARV Maneuverable Reentry Vehicle. ( R3 r9 r: C3 g1 fMARVIS Mid-Apogee Reentry Vehicle Intercept System. MAS Mutual Assured Survival. MASINT Measurement and Signature Intelligence. 0 `! \ n8 z4 N& y( Q* S& hMASPAR Massive Parallel Processors (TMD-GBR). Mass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. % E6 C- H$ v1 M1 ^, a5 jMAST Measurement and Simulation Technology-formerly Synthetic Scene Generation 3 n. [; i6 J$ s# ^3 VModel (SSGM). + N. q) j9 H' Z( oMatching 1 Z* |3 F, X' X3 z! ? R& VBallistic Reentry Vehicle (MBRV) / [* y$ ^% B, X7 GFour reentry vehicle designs (MBRV 1-4) developed to serve as threat ; [. y. B* @+ M% j8 ^: c! o7 R* Krepresentative theater targets. . v9 x. w. \3 U& d5 |, iMatching Target Reentry Vehicle " o( s0 P ?" @$ d: Z(MTRV) Threat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. 8 [( I; M6 f# J0 P+ f* g, }Material Fielding Plan Plan to ensure smooth transition of system from developer to user. ( k' G# o" B; a* y5 k- s' hMaterials $ x0 m# `3 G2 b) A- D; mScience The science of developing/altering and applying materials to obtain a resultant molecular 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. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 1 T7 I2 i6 L6 s4 wMDA GLOSSARY, VER. 4.0 M 9 }/ ]' p9 L8 J# h! ?* |177 Matra BAE 0 C0 y$ r2 ~) Y( k6 `Dynamics European missile manufacturer formed in 1996 from British Aerospace Dynamics + A% n1 h% C( D3 ]0 D4 ]1 Gand Matra of France. 0 k( i2 V3 E# {" }+ e( Z& WMATT Mutli-mission Advanced Tactical Terminal. 3 S$ m: N* C, C3 r ]( N8 uMATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. MAX Maximum. : g5 d" q. z" o6 s0 YMaximum " k8 e+ ]; S, |$ ?% F+ C2 |Attrition Maximum attrition is employed in a target-rich environment to destroy the maximum number of RVs, regardless of the type, by using all available or + |+ V( z: J$ W/ x8 ?$ wallocated interceptors. This option may not satisfactorily defend specific or required assets. 7 ~ i% G1 P/ ?MB Megabyte. 9 r. Y/ }9 ?2 H1 T2 N8 K. U7 p, QMBA Multi-Beam Antenna. ; ^2 g" d$ }3 rMBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. $ Q% r" O0 B1 D& ^/ }# Q2 J, _Mbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. , H7 K, A$ ] r+ OMC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS 0 k v) Z y$ w0 Jterm). (4) Military Committee. MCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. MCASS MTACCS Common Application Support Software. 3 z+ b" N3 h. [& o7 f" |MCBM Midcourse Battle Manager. ! @; A* A- Q1 k& ]MCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. , }% e0 B+ m+ Y8 ^1 IMCCR Mission Critical Computer Resources. . S3 e' l* O' F5 |# V, `: \4 t2 MMCE Mission Control Element. MCG Midcourse Guidance. MCI Midcourse Interceptor. MCLOR Marine Corps LORA Model (USMC ILS term). 4 L- n" ]( t. C/ I% o2 zMCM Multi-Chip Module. 5 I: r" z6 @5 `( k2 ^MDA GLOSSARY, VER. 4.0 M 4 }' D* R3 B9 X. X178 3 d) e( i$ `4 k0 d6 A# [MCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). (2) Military Construction Program. MCPDM Marine Corps Program Decision Making. : q- L$ u* Q; I$ j% A; y& KMCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. ' I6 ?- ^7 U' k0 UMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). # s4 D' i- |6 \ v0 a$ tMCTE Mission, Course of Action, Task, and Element Control Directives. 5 M3 ~& o2 Q2 `2 e" TMCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. ; U6 B J( B) \; {5 U$ w8 fMCV Mission Capable Vehicle. MD Missile Defense. MDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. + _& X6 r+ B, P NMDAHWG Missile Defense Ad Hoc Working Group. 3 L9 s+ ^+ `5 \/ D FMDAP Major Defense Acquisition Program. MDART Missile Defense Activities Review Team. 5 d/ v* [1 O, k1 Z! GMDBIC Missile Defense Barrel Integration Center. ! z5 R {* Z/ {$ N* X1 X5 _, JMDC 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). ) M. _9 x9 j, v0 t(2) Milestone Decision Review. (3) Multi-national Defense Research. $ L/ }' G4 j: ?6 W0 z$ sMDSC Missile Defense Scientific and Technical Information Center. / P; a! ?! N. \: q$ bMDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. ( t; t, I! g% [0 \; jMDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M : f) ~8 R9 p7 M' U; U+ o S6 V179 MDTOR Mean Downtime for Other Reasons (ILS term). 8 ^- ~. N$ K7 [/ p/ T$ s- b+ HMDTT Mean Downtime for Training (ILS term). : p) k8 e" C. E/ JMDW Mass Destruction Weapons. 1 g3 N Q. C9 n5 u! o* X I, tME/VA Mission Essential/Vulnerable Area - N t3 m$ ]6 i6 bMEA Mission Effectiveness Analysis (JFACC term). 0 ~ U% R1 M0 W6 H$ j5 |MEADS See Medium Extended Air Defense System. Mean Time ) v% {! p& g* h; D% J0 a5 G! lBetween Failures (MTBF) d+ b1 i2 \2 f' [$ @- J( TA 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. + X8 X* m3 m# s% W4 d3 _Mean 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 / V4 f- ]! K/ d4 X2 b0 @$ F* JRestore System (MTTRS) + M+ }; h' Z* G- Q6 t9 BA measure of the system maintainability parameter related to availability and readiness. The total corrective maintenance time associated with downing # ?# y: R: \! g+ t, y5 t' P" vevents, divided by the total number of downing events, during a stated period of + J8 M8 i6 m$ _% jtime. (Excludes time for off-system maintenance and repair of detached " u7 @0 m& R* q- T" i/ y6 q# ccomponents.) 5 N' J4 L- l2 P/ V6 Y4 }MEASAT Malaysia East Asia Satellite. # I8 n) l& J, u7 i4 t; I2 w, \Measure of / \. `% o: O( c4 b0 ]. `2 q* oEffectiveness ( Z& o: b3 _) K4 z- @(MOE) - q7 i9 c1 F! }+ e% g, |6 g* JThe quantitative expression (sometimes modified by subjective judgment) of the 3 H# Q h$ x$ x+ zsuccess of a system in achieving a specified objective. MEC Mission Essentially Code (ILS term). Medium Earth Orbit (MEO) " P2 i, ~3 K6 m* U0 e4 DSpace vehicles characterized by orbits between 400 and 10,000 nautical miles, 5 f. Q' N# M* i# A" R8 Jlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes $ }/ p8 N- g' D# r7 V' f) j o* dup to approximately 1 hour), and generally longer lifetimes. This region contains the Van Allen radiation belts where electronic components need special " V) [3 o3 b. d4 Zprotection. 3 O. ~: J0 y7 K/ vMedium Extended Air ) v# {' f, w, V0 P2 lDefense System : F# u9 k" v1 ^) w# I% d) Q. p' G(MEADS) , t& g% L* }2 U! Q- X3 P( U/ @A lightweight, highly transportable, low-to-medium altitude air defense and theater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in 1995. 2 p8 i5 [7 t* j* pMedium Power 9 s1 C, V; x eLasers Lasers that radiate power less than 1 MW, normally used to detect, identify, track, and designate a target vehicle. ) n% k. i6 ?/ o }Medium Range 3 p+ ?% T- Y- q& m2 mBallistic Missile * c# w q1 V m6 W) I(MRBM) A ballistic missile with a range from about 600 to 1,500 nautical miles. , @+ W+ }0 g$ S2 g& ~Medium Wavelength ' z: r6 B* {) I- [. X& `4 N2 NInfrared (MWIR) 4 d; ^; U+ C4 P) }$ c% I/ E8 vThermal radiation emitted by a source in the electromagnetic spectrum K1 |4 W1 n/ j1 t: {0 c# S4 n" d, S) lencompassing infrared wavelengths of 3 to 6 microns. 7 y& Q# R& D# K' X/ z( ?1 w; ]MDA GLOSSARY, VER. 4.0 M 180 8 f. x9 D' e! A8 N: }" V$ KMEF Marine Expeditionary Force. 7 D. F8 V) _7 o! F" a4 KMEILSR 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 M5 J9 u5 y6 D0 O( F$ iMemorandum of Agreement (MOA) ( i/ i! X: [( } e$ z(1) In contract administration, an agreement between a program manager and a Contract Administration Office, establishing the scope of 3 [* e+ r# `9 ^ u; t$ @responsibility of the Contract Administration Office with respect to the cost and schedule surveillance functions and objectives, and/or other contract administration functions on a specific contract or program. (2) Any written agreement in principle as to how a program will be ' H- ^' G2 F0 g7 ], Y- padministered. ( b2 j* `1 H: Q: xMemorandum of Understanding $ v1 D3 L& ]* |5 m1 e' Z5 e8 L(MOU) & f6 }3 ~; | g, X5 ~$ ROfficial agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners 8 p, s. W: v P+ _6 Pgenerally recognize such agreements as binding even if no legal claim could be q# }& [5 o Ebased on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. ?2 D0 h5 M$ @5 D, g* vMercury Cadmium 8 H h- v, P( D3 E5 Q3 HTelluride (HCT) - G2 B$ S; @# f8 x8 sInfrared sensing material. 8 a& e% \) _1 [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. Methods % S3 E8 v9 r! X& d* j5 MEngineering The technique that subjects each operation of a given piece of work to close analysis to eliminate every unnecessary element or operation and to approach the quickest and best method of performing each necessary element or operation. 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. # X2 ~0 [' q* F' C+ |: A% N$ Q& LMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. METOR Minimum Effort Task Order Requirement. - T8 _+ _3 }4 |( Z" `( TMetric (Software). An indicator, which measures some specific attribute of the software development process. MDA GLOSSARY, VER. 4.0 M 181 " l/ J: N& P' s! u X) tMetrology 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. MeV Million Electron Volts. MEZ Missile Engagement Zone. MFAR Modular Multifunction Phased Array Radar. , B3 I- z$ I; r# b. X6 KMFEL Medical Free Electron Laser. MFG Master Frequency Generator. MFL Multiple Folded Ladar. ; @; |' S) t, ?0 B# UMFLOPS Million Floating Point Operations Per Second. ; g; M% h. }( N; }MFP Major Force Program. MFR Memorandum For Record. MFS MFS Communications Company, Incorporated. MFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. . \6 f3 g5 H* M+ S tMGLI Midcourse Ground Launched Interceptor. & @3 ~& M& {# Z- b3 ]9 gMGMT Management. ) V% B9 A4 D E# F; yMGTS Mobile Ground Telemetry Station. MHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. MHV Miniature Homing Vehicle. mi Statue mile (5,280 feet). MIC Management Information Center (MDA). # t* ]# X* f; i+ bMICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). Mid-Course 9 R, Q' M, X6 t" ]" r; MDefense Segment 5 O2 D9 g' L0 a, T% l( B(MDS) 2 B' [* r" p' @! y3 sThe portion of the BMDS that defeats ballistic missiles during the period of flight 2 A) [& W9 A! bbetween boost and atmospheric reentry. ) |2 @1 }& Y+ q k% {; f( IMidcourse : x) o7 K/ ~, v$ w2 P5 B0 \Guidance - h% p0 t3 a Q7 X4 O1 OThe guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. MDA GLOSSARY, VER. 4.0 M & {: u9 a: w3 {! ?% u* d182 . [ j7 C# x" o- H$ A" cMidcourse (MC) 6 V1 v( F1 W. RPhase That portion of a ballistic missile's trajectory between the boost phase and the # _. i0 R3 t% X0 \/ B, jreentry 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. ! m8 s4 B- b' C" k( Q/ k" x- oMidcourse Space 7 f: x u6 {+ U" ~8 zExperiment - c+ x5 Z; M, P5 c" F4 H(MSX) 8 B, D1 \, U6 dDesigned to provide demonstrations of midcourse acquisition and tracking from , W% k( S* e# P; k0 l" _' aspace, technology integration of optics, focal plane arrays, signal processing, 5 ^( \6 }. l& ?" W2 P0 Q' h) Metc., and collect background phenomenology measurements and target 0 D, g. Q5 b7 }% l" L/ d" xsignature measurements. 6 e3 e; c- K; t; C$ ?. V/ {+ BMidgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). ' k0 N3 K" D; C' DMIIRD Mission Issue Identification and Resolution Document. 7 f7 o8 n2 o8 t }' o& p TMIJI Meaconing, Intrusion, Jamming, and Interference. MIL Man-in-the-Loop. : F) k; F" a' s: {MIL-HDBK Military Handbook. 8 i, ~4 w/ b% o6 w" P% C/ }( ~MIL-STD Military Standard. MILCON Military Construction. 9 n% S/ i" A7 }4 t8 h* GMilestone . t+ i9 h" `% @Decision " g- H+ m+ a8 B# y/ u YAuthority The individual designated in accordance with criteria established by the Under Secretary of Defense for Acquisition and Technology to approve entry of an 5 O6 W9 F/ n5 \! T2 z# Hacquisition program into the next phase. ! d, Y0 n; |8 X) N& f4 ~/ IMilestones (MS) Major decision points that separate the phases of an acquisition program. Military Capability The ability to achieve a specified wartime objective (win a war or battle, destroy a ' Q$ I0 N6 u1 p: q. i) ^target set). It includes four major components: a). Force Structure -- Numbers, size and composition of the units that compromise our Defense forces; b) ) T& F( i: H. X& l$ r7 ^7 g3 L& ~Modernization -- Technical sophistication of forces, units, weapon systems, and equipment; c) Readiness -- The ability of forces, units, weapon systems, or equipment to deliver the outputs for which they were designed; d) Sustainability - {# s8 p+ |' F3 h5 r( A8 J-- The ability to maintain the necessary level and duration of operational activity . v( b* Z% H {8 u5 [, v- Sto achieve military objectives. Sustainability is a function of providing for and maintaining those levels of ready forces, materiel, and consumables necessary to support military effort.