航空缩略语词典

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Kinetic Kill Vehicle & Z' t# u0 ?2 @: ?# _Integrated q$ Z* ?# y& A$ p+ B, T1 C0 jTechnology 1 }: @# f# h* q" NExperiment ) f2 D V" M0 Y, ~(KITE) : I4 `, v4 |% {9 C0 R. N$ Y! |A series of test flights at WSMR to demonstrate HEDI technologies. ' M* N4 ]+ c3 W7 C6 a( r' G" H' T' CKITE (1) Kuiper Infrared Technology Experiment. (2) Kinetic Kill Vehicle Integrated & r0 @2 n5 L5 _) M9 \( uTechnology Experiment. KKV Kinetic Kill Vehicle. KKVWS Kinetic Kill Vehicle Weapon System. KL Kill Level. / X$ Z8 X2 P- p' }$ N- D( x% d1 Z# wKm Kilometer. Km/h Kilometer per hour. Km/sec Kilometer per Second. / t1 m2 }$ E' c; Q/ j( iKMCC Kwajalein Mission Control Center. 4 L8 N) v' L- v% _* H: \/ [$ JKMR Kwajalein Missile Range. KMRSS Kwajelein Missile Range Safety System. 5 W- h6 L; Q4 G7 s# IKPP Key Performance Parameters. MDA GLOSSARY, VER. 4.0 K 159 ) o9 e' [! m4 I0 V+ J; M! TKr Krypton. KREMS Kiernan Reentry Measurement System. # C- n! J0 T2 E" A6 g5 |KSC Kennedy Space Center, FL. Kt Kiloton. ! [) D* t% ~ y! D& g" z" h0 _KTF Kauai Test Facility, Barking Sands, HI. 8 S# P& S3 w% J# P8 c: Z" m2 \5 }KTP (1) Key Technical Partner. (2) Key Test Partner (3) Key Technical Parameters. Kts Knots. $ u3 w( i, G% Q4 |8 [' y c* M! vKV Kill Vehicle. ; x& B, H+ }7 @1 c: o" F/ g9 }kw Kilowatt. KW Kinetic Warhead. MDA GLOSSARY, VER. 4.0 L 161 L&TH Lethality and Target Hardening. L1SS Level 1 System Simulator. L2SS Level 2 System Simulator - NTF. LAA Limited Access Area. LAAD Low Altitude Air Defense. LAAFB Los Angeles Air Force Base, CA. . d; Q+ y( m' }% d) q; KLABCOM Laboratory Command. 9 k" F0 R" P( Z3 x; q0 TLABM Local Area Battle Manager. 8 l) B& J4 x( l8 U: L; @LABP Look Ahead Battle Planner 9 L3 O7 k( S( c! {, z2 @1 S1 ?LAC Low Authority Control. 0 ?& C$ t! V% J$ g7 sLACE Laser Atmospheric Compensation Experiment (an SDIO/NRL satellite launched February 1990 and turned off July 1993). " f. r" M$ N9 T8 M) F* C3 `LACM Land Attack Cruise Missile. / |1 l# @, l; c7 I/ e. ~LADAR Laser Detection and Ranging. Laddering Down A hypothetical technique for overcoming a terminal phase missile defense. ) g' Z M4 f6 L. q8 V+ R. YSuccessive salvos of salvage-fused RVs attack. The detonations of one salvo " h1 [2 w# f+ U% Ldisable local ABM abilities so that following salvos are able to approach the target more closely before being, in turn, intercepted. Eventually, by repeating / K$ J1 J" q: C% e" j: |the process, the target is reached and destroyed. LADL Lightweight Air Defense Launcher (USA TBMD term). 6 q* t$ X) V2 c' CLADS Low Altitude Demonstration System. LAFB Langley AFB, VA. 5 D1 O# x- g, ~& h. zLAMP Large Advanced Mirror Program. ) C& A( N+ A% \1 N, zLAN Local Area Network. ' m( _/ S1 L6 K. _7 uLandsat Land Satellite (NASA program’s satellite). 3 x& v p# j* `6 B. uLANL Los Alamos National Laboratory, NM. LANTRINS Low Altitude Navigation and Targeting Infrared Night System. LAO Limited Attack Option. LAPL Lead Allowance Parts List (Navy term). " L8 Q! C( ^" s6 }8 i" SLARC Langley Research Center, Hampton, VA. MDA GLOSSARY, VER. 4.0 L 162 7 A. Z; g' e8 ]: ?! pLarge Optics The technology of constructing and employing mirrors over 1 m aperture to direct $ {2 E' D8 U: o2 Land control high power beam weapons/systems with large coverage, or to provide high resolution or high sensitivity for detection and/or imaging. * G+ M5 O2 y1 b8 E* l9 eLASA Large Aperture Seismic Array. , T/ N% b* ?& y5 R/ e& yLasant 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 7 n1 N8 I- W0 E, u5 xmolecules including excimers or atoms) or in the form of plasma (consisting of ions and electrons). Lasant materials useful in high energy lasers include carbon 7 v4 Z" H" h) I7 i* e; x. [7 R$ hdioxide, carbon monoxide, deuterium fluoride, hydrogen fluoride, iodine, xenon % X) o1 l& E7 J/ |7 Nchloride, krypton fluoride, and selenium, to mention but a few. ! H. n' E9 q) D' fLASE LIDAR Acquisition and Sizing Experiment. Laser An active electron device that converts input power into a very narrow, intense beam of coherent visible or infrared light; the input power excites the atoms of an optical resonator to a higher energy level, and the resonator forces the excited 3 a7 V& v' G1 `' @7 datoms to radiate in phase. Derived from Light Amplification by Stimulated Emission of Radiation and classified from Class I - Class IV according to its : o r; |' X- G4 L+ j) Mpotential 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 ! X: V4 @! N- L1 k. ` X# X- uand Ranging (LADAR) " S) A. {/ h; b+ y( ZA technique analogous to radar, but which uses laser light rather than radio or * z% Z" E$ y: \4 ?( U4 r3 n Ymicrowaves. The light is bounced off a target and then detected, with the return 7 a" u+ E1 R A% N7 b6 E; bbeam providing information on the distance and velocity of the target. 1 C1 |6 Q5 a# MLaser Guided : G3 i" x% l) P! j. ?1 @& a6 {' CWeapon A weapon that uses a seeker to detect laser energy reflected from a laser " V4 m5 T% [% D, P" W2 b' N1 v5 i4 ~4 Mmarker/designated target and, through signal processing, provides guidance 5 S: D* y) Y- {1 [- dcommands to a control system. The control system then guides the weapon to ! h1 }% q8 A1 m# i4 L: f$ w% tthe point from which the laser energy is being reflected. ! `6 J3 Z/ O) F6 gLaser Imaging & V Q6 k! t) iRadar - X' }5 b, f& ~# s* j6 |. GA technology whereby a laser beam can be used in a way similar to the use of a ) v6 l9 s6 p! {4 z$ c' B0 O: @! Iradar beam to produce a high-quality image of an object. & [# o. }) ]& A7 K: FLaser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2. 2 I2 _& {. f7 l1 QLaser Seeker A device based on a direction sensitive receiver that detects the energy reflected & u8 }( a' P; J' jfrom a laser designated target and defines the direction of the target relative to the receiver. See also laser guided weapon. . d2 V ~# Y) H2 q K! PLaser Target Designating System " L( j$ _( {6 V- Q6 A0 IA 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 1 u% R }2 u" w1 E% y2 U* Blaser energy thereon. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated 9 Z; _5 O6 E8 O8 V4 Hand defines the direction of the target relative to itself. ' k7 m8 ^4 _: Y# I$ aLaser Weapons Devices, such as photon generators, which produce a narrow beam of coherent ! D+ V5 q2 N" h8 c) Uradiated power greater than 1 MW. . s6 [# h, {9 `4 k9 i, ^" k/ X- eLASERCOM Laser Communications. ( A. z' A- I @3 j* B2 r1 yLATS Long Wave Infrared Advanced Technology Seeker/Sensor.

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MDA GLOSSARY, VER. 4.0 L / k/ L$ T! t! ~! K K' ^163 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 X! t" N- S- g/ h& c( _of the booster type. (USSPACECOM) Launch Point Determination With computer methods, uses missile track observation to estimate the point on 6 j; o* D. U' a8 v& i3 b6 E* Z+ xthe earth’s surface from which the missile was launched, expressed in terms of circular error probable. Launch Under 1 C l# x' ?( r/ A' YAttack (LUA) Execution by National Command Authorities of Single Integrated Operational Plan forces subsequent to tactical warning of strategic nuclear attack against the United States and prior to first impact. Launch Verification 1 s5 v* D2 M: I4 F* a& VConfirmation of a detection of a booster launch by receiving a report from a 7 Q* p, A3 |* a$ `% e4 J/ fsensor 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 phases in the trajectory of a ballistic missile. Thus, there could be a first layer % d8 c: z5 g. V0 ^7 {(e.g., boost phase) of defense with remaining targets passed on to succeeding 3 @( B1 q8 y7 mlayers (e.g., midcourse, terminal). lb Pound. : t: A( q( d$ c+ M0 X- I4 ALBL Lawrence Berkeley Laboratory, Berkeley, CA. LBM Localized Battle Management/Manager(s). 6 P( T3 D# D) b0 y+ N8 ELBTS Land Based Test Site. LCC (1) See Life-Cycle Cost. (2) Launch Control Center. LCCE (1) Life-Cycle Cost. (2) Launch Control Center. (3) Land Component Commander (JCS term). + S# s* G3 o3 `- s" w7 q2 E# }LCCS Life-Cycle Contractor Support. 5 S- W0 Q) H+ @! P' u& q* [" PLCF Launch Control Facility. LCM (1) Life Cycle Management. (2) Lightweight Communications Module (USAF TelComms/Computer term). * O- d8 t. N2 V$ [; ]# uLCN Logistics Control Number (ILS term). & |4 U" @1 Y! A& w: tLCOM Logistics Composite Model. 9 L, m; H- d: Q E" pLCN Logistics Control Number (ILS term). & ]" c; G5 l3 V* vLCS Laser Crosslink System. LDC Less Developed Country. LDS (1) Layered Defense System. (2) Lexington Discrimination System. (3) Limited Defense System. MDA GLOSSARY, VER. 4.0 L - |( |9 x4 V8 B; p, Y: e: |: t164 LE Lethality Enhancer (PAC-3). Lead Component/ 8 R# I# G; L1 mService The DoD Component designated by SECDEF to be responsible for management # ~' @& [# a7 ]! @# pof a system acquisition involving two or more DoD Components in a joint " w3 \% e2 _1 l# t) p6 Kprogram. 3 D3 K4 ^2 b6 T/ i/ Z. G9 `5 v0 mLEAF Law Enforcement Access Field. Leakage The allowable threat objects passing through a BMD system expressed as a 2 R! G* J+ U5 Y! vpercentage 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 : s" p9 p" `, y; J2 N# g, F$ cas a percentage of the design-to threat. To ensure overall system performance, 1 c/ z2 A3 q& x" \1 ?5 Hpermitted leakage is “budgeted” among individual BMD phases and functions. 7 |( H4 E' \% ^4 E6 QLEAP Lightweight Exoatmospheric Projectile. h; n* ?& f! h6 h gLEASAT Leased Satellite. Least Privilege This principle requires that each subject in a system be granted the most ; C1 _1 Y) A, Y6 f- W: v1 p" }restrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this privilege limits the damage that can * A. ]$ p$ M! A. J2 z' f! Gresult from accident, error, or unauthorized use. 7 q9 L" m9 y2 {1 LLED (1) Low Endoatmospheric Defense. (2) Light Emitting Diode. % n0 l8 X R8 i; D# h. rLEDI Low Endoatmospheric Defense Interceptor. LEDS (1) Low Endoatmospheric Defense System. (2) Link Eleven Display System (USN term). LEI Low Endoatmospheric Interceptor. LEIP Link Eleven Improvement Program (USN term). " `2 `; a$ m6 S- k& Q+ p/ c3 g/ d2 mLEL Low Energy Laser. LELWS Low Energy Laser Weapon System. 1 K+ p8 h# a+ z) y$ ?' GLEM Logistics Element Manager (ILS term). LEO Low Earth Orbit. 3 c# A( E; _8 V4 I- c9 NLETS LWIR Environment and Threat Simulation. Level of Effort (LOE) Effort of a general or supportive nature that does not produce definite end products or results, e.g. contract man-hours. Leverage (1) The advantage gained by boost-phase intercept, when a single booster kill may eliminate many RVs and decoys before they are deployed. This 4 l* E; f) i. Mcould 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. LF (1) Landing Force. (2) Low Frequency. ; z" s+ J. _/ J* N% a3 P/ `( u# aMDA GLOSSARY, VER. 4.0 L + d, s# y" h$ F/ X- Q4 X165 ; d. C+ z% N! l- {4 yLFIE Live Flight Integration Exercise. ) e2 I m& B' G2 [$ o0 Y: ^LFOV Limited Field of View. . G: k0 M* K4 V, O+ n* `% NLFS Loral Federal System, Gaithersburg, MD. LFT&E Live Fire Test and Evaluation. 9 _& |3 g0 U+ ]6 {) S# RLGB Laser Guided Bomb. 8 p0 B% P: i# ^0 r( i4 xLGM (1) Laser Guided Missile. & }) @) N1 y8 U(2) Loop Group Multiplexer. LGSM Light Ground Station Module (USA CECOM term). - T( P+ [! D1 S" ?9 _( J$ yLHO Amphibious Assault Ship. # I1 y( S, n! X( N9 S2 {8 ULi Lithium. * N8 x/ ~* m s. T! nLIC Low Intensity Conflict. LIDAR Light Detection and Ranging. 2 r7 L$ \- a7 O* _3 GLife 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 4 B' G" G4 a# [6 x, y8 Y! Hexcess to all known materiel requirements. (2) (Software). All the states a software or software related product passes " k% A3 W8 r; uthrough from its inception until it is no longer useful. 9 q' ]/ ^7 e6 a/ R& pLife-Cycle Cost (LCC) / u/ W+ q6 l3 L9 b2 dThe 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, 1 X$ N0 \9 A7 @, R4 C, ~where applicable, disposal. Life-Cycle Management + H( N2 j: P: |7 `: f, DProcess for administering an automated information system or hardware support system over its whole life, with emphasis on strengthening early decisions which , ^. P m+ v$ pshape costs and utility. 2 D O8 B7 Z a; M, K: E1 [Life-Cycle Model A framework containing the processes, activities, and tasks involved in the development, operation, and support of the system, spanning the life of the system from the definition of its requirements to the termination of its use. Life Cycle of a * N. U5 p G% A7 Z- yWeapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and disposal. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket ' j; H3 o2 @5 S7 c9 scontains subsystems that perform power, communications, and environmental protection functions. , [% t/ i k6 y" I" w. X3 p# _Light Detection and Ranging (LIDAR) 7 c0 k6 f( e# {* l( X* sA precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.

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Light Replicas 6 x2 }, k! P. t; T( _(LREP) Decoys that, by virtue of shape, closely approximate an RV’s signature with little off-load penalty. + H# _+ d- f. O+ w) c+ eLIMIDIS Limited Distribution. 4 C. D2 A4 C# b. o2 y8 ?/ w) CMDA GLOSSARY, VER. 4.0 L 166 ; C. I9 V1 |- H/ h- }( F4 J8 ALimited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is 0 A) P2 ?5 ?5 D) j( K: j( u. ogeographically distinct. Not an all-out attack or mass wave. * v: u5 v& g- J6 A; f/ Q! nLimited Defense System (LDS) The development of systems, components, and architectures for a deployable anti-ballistic missile system (as described in section 232(a)(1) of the 1991 Missile ) Q5 ^+ `) T1 A0 ~6 Y6 YDefense Act, as revised) capable of providing a highly effective defense of the 3 V$ E9 I$ V+ e$ h, @United States against limited ballistic missile threats, including accidental or unauthorized launches or Third World attacks, but below a threshold that would ; w6 l8 I) q( j) P1 x! gbring into question strategic stability. * s' b0 @3 w: |% c+ r) K6 }* l+ VLimited " G5 ?; p) k" J6 vOperational 9 @0 M% k9 v; Y8 G2 C1 }# c- e: cCapability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system. # `. D5 R3 U. d8 @% g$ V& p/ ZLimited Production The initial production of a system in limited quantity. Part of an acquisition strategy to be used in test and evaluation for verification of design maturity, manufacturing process final proofing, and product engineering and to verify a 6 ?1 A: g& o: q& c {' U; zfactories capabilities prior to a decision to proceed with production. Decision 2 {) v- C8 X: n; d! V" H/ I/ W$ i' G9 Vusually made near the end of EMD or at Milestone IIIA or equivalent. (Also called Low-Rate Initial Production or Pilot Production.) 2 w$ f& Q8 e9 t& H* u* P, b/ @Limited Test Ban Treaty The bilateral Treaty signed and ratified by the United States and the (former) 8 U8 V; K Y& R7 {/ `, Z; b6 FU.S.S.R. in 1963, which prohibits nuclear tests in all locations except underground, and prohibits nuclear explosions underground if they cause 1 C: j6 L& ]3 v' J+ tradioactive debris to be present outside the territorial limits of the state under whose jurisdiction or control the test would be conducted. 2 m% k: V, h' S! n% b% v1 OLIN Line Item Number. Linac Linear Accelerator. Line Item 3 I9 w' p' P: y(Budget) 6 }& B9 {, r- R9 f n; nA specific program end item with its own identity (e.g., B-1B Bomber). Line of Sight - [9 t" X6 u, \4 r" Y- ~! D(LOS) . n, J- d: [; y9 k5 uThe line from sensor to target necessary for the commencement of the detection, / G2 w. X% F w. F: {acquisition, track, and identification of a target. & }& i% K* o* aLine Replaceable * u8 {6 H5 H/ u" {8 s+ v; N( SUnit (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 ( k- w B C; u1 o vThis testing of links to create bit error estimates and monitors natural or induced 9 E4 D2 V* T- ?% i# G2 O9 k1 jlink interference. . W) l |4 T8 [9 ^. ?. Y- \1 k& h* _8 ELIP Lethality Improvement Plan. . m; U( U2 o, M4 e: e4 rLiquid Fuel + Q: K. \0 S$ v* ~8 lBooster (LFB) % A7 d3 q) G2 l( W" {Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat. 0 }7 Y, D( w) x1 G. p5 {9 BLIS Laser Isotope Separation. LITINT Literature Intelligence. MDA GLOSSARY, VER. 4.0 L 167 & ]9 G5 Y. k0 R# lLive Fire Test And Evaluation 2 N% F' p1 P0 x, @+ {! g$ ~- V(LFT&E) Survivability testing and lethality testing required before full-scale production. ! S7 k2 a- I5 g3 H& rMust be conducted on ACAT I and II programs for: (a) A covered system (a conventional weapon system designed to provide some degree of protection to the user in combat); (b) a major munition or missile program; (c) a product improvement program that will significantly affect the survivability of a covered system. LIVEX Live Exercise. " {4 `$ q% f% D9 K4 hLIWA Land Information Warfare Activity. LJ Life Jacket (BE term). LL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison. LLM Long Lead Material. LLNL Lawrence Livermore National Laboratory, Livermore, CA. LLTIL Long-Lead-Time Items List (ILS term). * H' P w+ p3 kLLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe). ! d* I% q J: M1 F; nLM (1) Lockheed Martin, a defense industry contractor. (2) Logistics Manager (ILS term).

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LM/GES Lockheed Martin/Government Electronic Systems. / j* z% T) A9 Y3 F5 t: L. o7 cLMA Lockheed Martin Astronautics, a defense industry contractor. " k5 x4 N- H/ M% b+ b* bLMANS Lockheed Martin Aeronautic and Naval Systems. 1 k) r: ~( Z2 B2 _LMC Late Midcourse. LMFBR Liquid-Metal Fast Breeder Reactor. $ B/ |. z4 U9 S# aLMIS Logistics Management Information System. / t3 b2 ^( U; a3 O9 i4 p- J7 ~7 \LNA Low Noise Amplifier. LNC Local Network Controller. LNE Low Noise Exciter (Electronics Engineering term). X2 c, {, c1 R0 W8 [. |3 eLNO Liaison Officer. LO (1) Local Oscillator (Electronics Engineering term). 8 L6 ~$ d7 g4 ~* \ h(2) Low Observables (LODE-related term). LOA Letter of Agreement. / D* K9 T1 n1 X& g# a; NLOAD Low Altitude Defense. 9 c& ~% C3 e! Q" z M5 R2 R8 v9 aLOC (1) Lines of Communication. " |* p8 H+ Y/ f(2) Lines of Code. ' T( `& ~$ j' B(3) Limited Operational Capability. MDA GLOSSARY, VER. 4.0 L 3 S( m3 d! p1 o168 : X; Q; i# p' o. u# OLOCAAS Low Cost Autonomous Attack System (USAF term). 0 R' F& v I F2 u. R4 @" BLocal : l5 ]" U/ C5 |# U# K7 NAssessment of Engagement . x0 L. y8 x/ X+ R# s1 S9 aThe assessment of an engagement by high-resolution fire control sensors. Local Environment $ J+ f5 E7 o- q, H9 Z; ?The ISTC Local Environment contained within each node simulates the element to the degree necessary to generate a realistic input to the Element Processor of ; H# `+ U% w+ |5 k% C* n" Q$ uElement Processor Emulation and provide a realistic response to the Element $ G( O& `. B J. z; KProcessor or Element Processor Emulation. Lock On Signifies that a tracking or target-seeking system is continuously and automatically tracking a target in one or more coordinates (e.g., range, bearing, elevation). ) S7 p( Q4 s# u9 bLODE Laser Optics Demonstration Experiment. LODTM Large Optics Diamond Turning Machine. LOE (1) Level of Effort. (2) Letter of Evaluation (AF). $ q# X) d: }5 o/ { _; aLOF Lifejacket Orbital Flight (BE term). Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the ! C. @9 j# `# Q9 bsame range. LOG Logistics. 4 Y: ]: i& L5 J( ~( ~ N: A# NLOG.WIPT Logistics Working-level IPT LOGAM II Logistics Analysis Model II. LOGFAC Logistics Feasibility Analysis Capability. LOGFOR Logistics Force. Logistics The science of planning and carrying out the movement and maintenance of $ r- P) _6 l) S- d; kforces. In its most comprehensive sense, it includes those aspects of military 1 p6 k6 r/ ]1 L2 C3 \* v6 voperations which deal with: (1) design and development, acquisition, storage, 5 R7 d* n% ?: ?$ H, a& t: o+ _ Hmovement, distribution, maintenance, evacuation, and disposition of materials; 5 p/ T+ M% f9 N' v9 x9 B(2) movement, evacuation, and hospitalization of personnel; (3) acquisition or 9 x) E/ q1 i/ p+ Econstruction, maintenance, operation, and disposition of facilities; and (4) & F; q& B% k1 kacquisition or furnishing of services. - S1 B$ o; `: ~- ~Logistics Support The supply and maintenance of materiel essential to proper operation of a 7 z/ `7 t# O4 V% _system in the force. Logistics Supportability " Z% h2 Z9 O! k4 b3 ]The degree to which planned logistics support (including test, measurement, and , [) O% J$ X5 p3 `) `% F3 i$ ?/ ddiagnostic equipment; spares and repair parts; technical data; support facilities; transportation requirements; training; manpower; and software support) allow : H W$ B5 D1 R- w2 z4 |& ?4 ~meeting system availability and wartime usage requirements. MDA GLOSSARY, VER. 4.0 L / |' q) t, i3 Y$ z- [* k+ F/ Y. u169 5 s1 f3 ? [0 kLogistics Support Analysis (LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to assist in: causing support considerations to influence design; defining support requirements that are related optimally to design and to each other; acquiring - p! c3 m3 s, r% x) F5 H5 @the required support; and providing the required support during the operational # \1 k7 G3 u0 Y( Y7 Kphase at minimum cost. 6 B* H/ _; r) {9 }6 a( @) DLogistics Support Analysis Record (LSAR) 0 V) Z- w) R: l3 I( hA formal tool under MIL-STD 1388-2A that uses records/forms to document " ~2 r* l8 b& i w) _operations and maintenance requirements, RAM, task analyses, technical data, support/test equipment, facilities, skill evaluation, supply support, ATE and TPS, " ` I( Q6 m/ Q2 l% V, h* [. `and transportability. LSAR is the basis for training, personnel, supply : A1 m! b6 L( L5 G9 K) mprovisioning and allowances construction, support equipment acquisition, 8 j" m9 n+ F! O" F$ lfacilities construction and preparation, and for maintenance. ! z8 v* z2 k: j4 B2 @0 q4 Z4 }% M, sLOGPLAN Logistics Plan. LOGSIM Logistics Simulation Model. LOI (1) Letter of Instruction. (2) Letter of Intent. LOMEZ Low Altitude Missile Engagement Zone. Long Lead Items ) G b! Q$ n, M; FLong Range Air Launched Target 6 j k+ q/ D1 K) ^ l(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) $ e- x' Z8 \. r8 j( v; L) A* J, [Thermal 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). 3 a7 i4 x! c& S. }+ _5 sLOS (1) Line of Sight. (2) Large Optical Segment. LOTS Logistics Over-The-Shore. LOW Launch on Warning.

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Low Altitude 7 q9 J+ G/ w/ W v0 aDemonstration System (LADS) 1 ]# ~7 a. G( ^3 w+ K- y/ OPart of the SBIRS Low Program Definition and Risk Reduction (PDRR) program phase. The LADS will consist of a flight experiment and extensive ground demonstrations by Boeing North American. The LADS flight experiment will be launched in late FY99 to demonstrate the sensor performance of a SBIRS Low concept and collect phenomenology data. : G( L, i% |6 d* A2 s" g8 GLow Earth Orbit 5 ?5 C7 Q2 J: p. Q(LEO) [- w& D I% UThese satellites are at altitudes between 100 and 400 nautical miles. They 9 t! V3 G7 N6 s! T' q1 T$ B) Ehave short duration revolutions (about 90 minutes), short visibility envelopes (2.5 $ k- y8 |4 ?- C, h1 w' l8 c ~minutes up to 10 minutes over a tracking station), short life spans, and are most - e. x% Z \# |3 ?subject to orbital perturbations due to atmospheric drag and earth gravitational anomalies. Low Endoatmosphere That portion of the earth's atmosphere, generally below 40 km altitude. $ O4 B/ O) r4 u. dMDA GLOSSARY, VER. 4.0 L " t2 [" ~2 _; h; @% }. ^5 D6 Z* ^7 l170 Low-Rate Initial 2 \' X* x$ Z; q7 pProduction (LRIP) 4 H5 [* u3 M7 U: E3 P1 ]$ ^( ^, @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 * a" x6 W2 h. p3 \+ A/ W( mupon successful completion of operational testing. LOWKATRER Low Weight Kinetic Energy Active Tracker. ! e1 S. M; N. P- ]( `. [ f" SLOWTRAN Atmospheric and Interstellar Background Signature Model. / w5 A8 f1 r4 B$ \/ [) m8 u9 aLPAR Large Phased Array Radar. LPD Low Probability of Detection. 1 ]; C* F6 n% l$ K h0 m+ O7 t( }LPE (1) Liquid Phase Epitaxy. (2) Launch Point Estimate. ! { N& m% f" }& h- x5 CLPI Low Probability of Intercept. LPS Limited Protection System. LR Long Range. 0 o) p8 B k/ A" _+ I2 F, LLRA (1) Line-Replaceable Assembly. (2) Launch and Recovery Element. LRB Liquid Rocket Booster. LRC Lewis Research Center, Cleveland, OH. 9 u; e- B* U6 xLRE (1) Latest Revise Estimate. (2) Launch and Recovery Element. LREP Light Replicas. : V2 l5 x' w1 Z' t% j" h% hLRF Laser Range Finder. LRINF Longer Range Intermediate Nuclear Forces. 2 Y7 j9 d4 b G, l7 n+ GLRIP See Low-Rate Initial Production. LRIP-OT Low Rate Initial Production – Operational Testing. LRTBM Long Range TBM. ) ]8 O _4 q; L4 Q" S% f- |4 ULRTNF Long-range Theater Nuclear Force. 9 }( O0 d# Q Q6 U$ u7 |LRU (1) Line Replaceable Units. (2) Line Replacement Units. LS Launching Stations (PATRIOT). LSA Logistics Support Analysis. LSAP Logistics Support Analysis Program. LSAR Logistics Support Analysis Record. LSART LSA Review Team (ILS term). LSAT Laser Satellite. 9 T: A7 k7 |9 E' w, B9 jMDA GLOSSARY, VER. 4.0 L 171 LSAWG LSA Working Group. - M! M8 [) D% w! F2 KLSE Lifetime Support Engineering (ILS term). # } }' l& G9 m( u, R% L. }1 OLSEA Lifetime Support Engineering Activity (ILS term). LSI Large Scale Integration (circuits). ' Z5 A0 J# y+ P6 J, `LSRS Loral Space and Range Systems, Sunnyvale, CA. LST (1) Laser Spot Tracker. (2) Landing Ship, Tank. ; T5 J8 w! s N( F$ \# W! c/ VLSTS Launcher Station Test Site. / T) \0 t0 \" T2 L, \) s; f: KLTA Lead Time Analysis. 2 l' m" O Y9 W7 T2 E/ s, oLTBT Limited Test Ban Treaty. $ o( s) G1 T M& c5 R4 \LTD Laser Target Designator. ; c6 H# K3 |1 D( R" PLTH Lethality and Target Hardening. $ w2 F j3 l, X- h6 yLTS Low Temperature Superconductor LTV Launch Test Vehicle. 7 `+ @4 j q) z* l5 s2 s$ hLU Launch and Update. LUA Launch Under Attack. 3 e- C4 y1 r4 q& F! yLUP Limited U.S. Protection. LUT Limited User Test. LUT/OA Limited User Test/Operational Assessment. LVS Loral Vought Systems, a defense industry contractor. 7 M9 G. ~) \& p* aLVT Low Volume Terminal (USN/NATO/Telecomm term). ) p' J j5 B" x" _LW Laser Weapons. ' }7 R, Z7 O0 m8 gLWAN Local Wide Area Net. LWIR See Long Wavelength Infrared. ! M1 G" _4 G' v5 ~& ILWIR 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 " O+ V8 E+ E& R, h2 l173 ! J: z+ H3 m( V- {/ H% r! @( {m (1) Meter. (2) Minute. 8 Y4 n7 {- |6 ]* A* Z8 qM (1) Model. (2) Million. (3) Mega. 0 F5 _# }4 [* C/ C; o; G7 R" e) ]M&LC Missile and Launch Control. # \" A2 h/ X: J5 E7 n( GM&P Manpower and Personnel. 0 h. y8 |/ f% [$ qM&S (1) Materials and Structures. (2) Modeling and Simulation. M-T-M Model – Test – Model. M/LWIR Medium/Long Wavelength Infrared. $ l, [. g, P, s2 H( w8 UM/P Manpower/Personnel. 9 {4 }0 n4 M- Z2 j- UMAA Mission Area Analysis. 8 \. l& b6 Q( |. [. P( oMAAG Military Assistance Advisory Group. MAB Missile Assembly Building. MAC (1) OBSOLETE. Military Airlift Command. See AMC. (2) Maintenance Allocation Chart. 7 R/ |& [' N4 w5 Y" m- L7 KMACCK Multi-Application Command and Control Kit (GD term for IVIS follow-on). MACCS Marine Corps Air Command and Control System. : \, L' h" I5 \! K3 F5 \: \MACOM Major Army Command. MAD (1) Mission Area Deficiency. (2) Mutually Assured Destruction. # w4 G C* y, h* }9 IMADCAP Mosaic Array Data Compression and Analysis Program. MADS Modified Air Defense System. ; y* V. ^' _0 ]/ H) D ^MAE Medium Altitude Endurance. & {1 Y* l* t$ h- mMAGTF Marine Air-Ground Task Force. 6 R0 ^" k% r6 l M0 l$ a0 m, bMain Beam The primary directional EMR emitted from radar transmitters. ! e9 k. o, q* W6 B2 B/ h4 BMaintainer An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, 0 ]& Q$ N5 \6 u2 H; P& A8 J4 uservicing, classification as to serviceability, repair, rebuilding, and reclamation. : B% V& O& {2 l9 L, rMaintenance ! _: h& K: G4 l6 r) q8 ^Concept/Plan ( [: Y4 V: D% X/ YA description of maintenance considerations and constraints for 4 ~$ ~9 p5 q Q$ asystem/equipment under development. A preliminary maintenance concept is 3 N3 M# H' F6 \- I! T5 [, ldeveloped and submitted as part of the preliminary system operational concept % M2 v6 ~7 h# R/ t3 G. S+ zfor 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. 6 X) R6 }# n( v: ^; A9 @1 CMDA GLOSSARY, VER. 4.0 M 9 `% u; c6 j* [174 Maintenance & C8 r& v" ]' L+ H5 k9 D7 lOperations 6 L& q# f4 ?0 H- p1 E$ a9 KThe corrective and preventive maintenance operations that do not require a deployment decision; it includes correction and subsequent validation testing # R; x+ M4 I* [! W9 ~and the update of relevant status configuration, maintenance, and inventory 1 q1 x- s: @& b5 _) pdatabases. Maintenance 8 G$ B( u. u' N8 tPlanning 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). + G( u/ R. t* a1 t u# _6 t! ^$ pMajor Automated . E' K" Q' ]' L" q. F5 R7 {# sInformation % B- ?. A0 S3 x* uSystem Review % g* V2 I0 P! P) ]* _Council (MAISRC) The Senior DoD information management acquisition review board chaired by 5 f- A4 w# I, F$ i- ]the Assistant Secretary of Defense for Command, Control, Communication, and / f6 l. J- \, h& r/ G+ ZIntelligence. See DoD Directive 8120.2.

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Major Defense ; n% ]2 D. }& s% E: x5 aAcquisition / S' p" E6 c7 ~ W; NProgram An acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and that is: 1. Designated by the Under Secretary of Defense for Acquisition and Technology as a major defense acquisition program, or 2. Estimated by the Under Secretary of Defense for Acquisition and Technology R! e. [) l0 Z+ Z. tto require: ' n) j- r& j3 ]4 ]6 O" u1 ?a) An eventual total expenditure for research, development, test, and - k! n0 Q, m9 H+ vevaluation of more than $200 million in fiscal year 1980 constant dollars (approximately $300 million in fiscal year 1990 constant . s$ q$ V# m2 z% d# Q; N0 @$ edollars), or 0 P! @4 W! v1 k, b0 ub) An eventual total expenditure for procurement of more than $1 billion 4 @2 M4 M4 o( r, w& \in fiscal year 1980 constant dollars (approximately $1.8 billion in fiscal year 1990 constant dollars). Major Modification v9 \9 e* Z) B% a) t% W' HA modification that in and of itself meets the criteria of acquisition category I or II or is designated as such by the milestone decision authority. Major modifications require a Milestone IV decision unless the decision to modify results from one of the alternatives considered as part of the Milestone I decision process. Upgrades are part of the Milestone 0 decision process. Major System A combination of elements that will function together to produce the capabilities - K H. @0 i8 r: }required to fulfill a mission need, including hardware, equipment, software, or any , Z5 ?- P0 J' r2 \5 |combination thereof, but excluding construction or other improvements to real & Q& R- s$ U* m/ A! V. ?; C( b/ Jproperty. A system shall be considered a major system if it is estimated by the Under Secretary of Defense for Acquisition and Technology to require: 1. An eventual total expenditure for research, development, test, and 5 [! b1 f4 U$ l9 M2 U* L' Aevaluation of more than $75,000,000 in fiscal year 1980 constant dollars (approximately $115,000,000 in fiscal year 1990 constant dollars), or 2. An eventual total expenditure for procurement of more than $300,000,000 in fiscal year 1980 constant dollars (approximately $540,000,000 in fiscal year 7 ^2 R, P6 ^' k! C. a' p1990 constant dollars). " U) G7 i0 g \ SMAM Maintenance Assist Modules. MAMDT Mean Active Maintenance Downtime (ILS term). MDA GLOSSARY, VER. 4.0 M 1 T3 x2 Z4 u; C7 x175 Mandatory - x! T& J" q* r/ }Access Control v& b/ C& S! O3 a o3 ZA means of restricting access to objects based on the sensitivity (as represented $ U3 u/ h/ L! _/ zby a label) of the information contained in the objects and the formal 3 a7 f1 N R. b1 N7 r c( ^2 Rauthorization of subjects to access information of such sensitivity. ( n- D2 }& ~9 U9 lManeuverable Reentry Vehicle (MARV) A reentry vehicle capable of performing preplanned flight maneuvers during the : I6 _: f4 @& c* E' G! J4 M; dreentry phase. The reentry vehicles deploy fins or other aerodynamic surfaces when they enter the atmosphere, allowing them to turn and dodge rather than , t; M' o% M2 P6 _# Q, b# k) M; ufall ballistically. They have no ability to maneuver in space. MANPER Manpower and Personnel ILS term). Manpower 3 }1 S; H1 j# Y8 t+ H) AAuthorizations 1 p& n: S( S, f4 G& UThe billets in the manpower requirements structure that are planned to be filled. " Q3 V4 j4 f8 m6 p e. h/ _) r& y) LManpower 4 `" _7 Z5 t( s2 ^1 `1 QEstimate Report (MER) An estimate of the number of personnel who will operate, maintain, support, and ) \' d- ], A' u9 ?( Otrain for the acquisition upon full operational deployment. The Services prepared the estimates, and the SECDEF submits them to Congress 30 days prior to , h* F' B+ r+ ] I0 @* D. X5 X2 vapproval for EMD or production. Manpower, Personnel, Training, and Safety (MPTS) The human dimension of the complete defense weapon system. The term & j% G/ l/ _+ ]; X0 d! e4 f% tMPTS also encompasses the concepts and disciplines of human factors engineering and health hazard prevention. 8 ~- j8 E2 G7 ~( K7 U/ GManpower, - V. [5 Z Z2 ]Personnel, 5 K. ]6 Q3 |; WTraining, and . r- j7 s5 [& w3 v A' MSafety (MPTS) Profiles A description of human dimensions and constraints involving a major system throughout the system life cycle. This includes, but is not limited to, descriptions ! U {: ^ \( X1 s, ]) `and categorizations of occupations, aptitudes, individual skills and 0 y1 o o' \; {0 A# @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. 2 z: [. _/ l1 T' @: RMANPRINT Manpower and Personnel Integration (US Army). 1 G! f) N, ?: C0 F% O& v* FMANTECH Manufacturing Technology. Manufacturing (or Production) Engineering " p3 I. {/ K0 T- {2 LPre-production planning and operation analysis applied to specific product 7 I* d% S' {; D: Q. ?& ^/ A) hdesigns. 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. 6 S9 f/ ^% v8 t/ D: zManufacturing . E2 h; N- k1 m- a% N3 lOperations, Development, # m5 X6 r% \! ]4 c, ?9 iand Integration Laboratory * n/ R8 V' J F0 s* V. @& ](MODIL) n) [7 F0 ?' gAn SDS-peculiar integration mechanism to link product technology development concurrently with manufacturing process and control development for a costreducing effective SDS development. % Y% m: v6 l/ ^) A; KManufacturing Technology $ r* P7 Z5 ]5 [ n6 K. G2 n(MANTECH) Manufacturing technology refers to any action which has as its objective the ' ~7 F! t, _& f# F1 j7 Ftimely establishment or improvement of the manufacturing processes, 7 w/ Q) n. u) x0 stechniques, or equipment required to support current and projected programs, and the assurance of the ability to produce, reduce lead time, ensure economic 8 \1 ~. [2 G/ | N9 R; Uavailability 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. , U0 I% U3 ?4 g5 tMDA 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 Command and Control System , G2 X. a! N/ W, a. J" iA US Marine Corps tactical air command and control system that provides the ) o, E$ j7 `0 X3 R4 u3 R/ j; ]tactical air commander with the means to command, coordinate, and control all % t( E: s( L, U$ {1 q8 jair operations within an assigned sector and to coordinate air operations with 4 j2 l; e v, _other Services. It is composed of command and control agencies with - |' C v9 q. {" N" [( Ocommunications-electronics equipment that incorporates a capability from manual through semiautomatic control. Mark/Markup Line by line review and approval/disapproval/modification of the defense budget by congressional committees. MARS Multi-warfare Assessment and Research System. MARSYSCOM US Marine Corps Systems Command, Quantico, VA 7 |5 l, T8 X9 V8 eMARV Maneuverable Reentry Vehicle. ' b4 ~/ v* y- q0 YMARVIS Mid-Apogee Reentry Vehicle Intercept System. & q$ |* |% o7 L9 DMAS Mutual Assured Survival. % b- d+ j+ Z& r3 AMASINT Measurement and Signature Intelligence. MASPAR Massive Parallel Processors (TMD-GBR). # k9 B/ B# m1 @: s; J& FMass Raid Many Red ballistic missiles launched toward CONUS from several launch areas. A mass ASAT raid consists of several ASATs attacking Blue satellites. MAST Measurement and Simulation Technology-formerly Synthetic Scene Generation & {5 \% }* q, [Model (SSGM). * D. {6 L3 F/ V" XMatching Ballistic Reentry / ]0 S K/ V1 b. _6 d- ?9 P1 jVehicle (MBRV) Four reentry vehicle designs (MBRV 1-4) developed to serve as threat ) `& C( r; y7 K! Qrepresentative theater targets. 5 D8 E5 \+ u& t: B7 P# aMatching Target Reentry Vehicle (MTRV) - d; c9 ^! c/ wThreat representative reentry vehicle developed for GMD Program by Sandia Labs. Planned for use on IFT 9-14. 2 |8 L: x) _7 q/ @Material Fielding + g1 {0 B( b: b; P( CPlan Plan to ensure smooth transition of system from developer to user. Materials Science 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 0 t" x2 f# l3 |: ?" A" kadvanced materials in the design of new SDS components and end items. MATHSFA Manufacturing and Testing of LWIR Hardened Seeker FPA Assemblies. 9 N( v2 T U5 C6 W$ _# KMDA GLOSSARY, VER. 4.0 M 177 4 p9 J( ^2 f) O; v, h- R- g/ ]/ WMatra BAE 6 m3 U" k) M+ z/ a9 [* n* ~) H0 cDynamics $ c6 x2 P5 v# o" r6 a' }European missile manufacturer formed in 1996 from British Aerospace Dynamics ( ?/ f2 Y4 }* f7 Qand Matra of France. MATT Mutli-mission Advanced Tactical Terminal. MATT Radio UHF radio receiver for TRAP, TOPS, and TIBS. MATTR Mid And Terminal Tiers Review. . \: a4 T1 p" K' S+ e/ qMAX Maximum. ; C' m4 @) C2 V9 n7 |7 b1 uMaximum - b k) K% F: T; \) G4 @) m/ PAttrition # s9 o5 u+ N4 ]1 J7 z( OMaximum 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 required assets. % I* v- G; v3 }! P( e) Y( @. ?MB Megabyte. MBA Multi-Beam Antenna. 3 v/ c! U* t+ `! ]% {+ Q' P# \. FMBE Molecular Beam Epitaxy. MBFR Mutual and Balanced Force Reduction. Mbps Megabits per second. MBRV Maneuvering Ballistic Reentry Vehicle. MC (1) Mission Control. (2) See Midcourse phase. (3) Mission Capable (ILS ! M, O$ y- B5 q3 rterm). (4) Military Committee. , _* ~: X4 j: x% c7 NMCA Micro Channel Architecture (TelComm/Computer term). MCAS Marine Corps Air Station. ; Y/ S6 Q* W( G3 }9 j7 j3 XMCASS MTACCS Common Application Support Software. MCBM Midcourse Battle Manager. 0 \+ A' M& q9 l0 p% u4 L3 d; Y7 L) OMCC Mission Control Complex/Center/Console. MCCC Mobile Consolidated Command Center. MCCDC Marine Corps Combat Development Center. MCCR Mission Critical Computer Resources. MCE Mission Control Element. % k4 |: h/ Z% r9 b; Q2 XMCG Midcourse Guidance. 1 ?5 S6 e% O1 p1 m: P2 g# Q" SMCI Midcourse Interceptor. : i2 } ^1 ]( R7 xMCLOR Marine Corps LORA Model (USMC ILS term). ; t' |0 J% F( [& f5 I& {MCM Multi-Chip Module. 4 ?! o1 Z& ^9 z- s% I: qMDA GLOSSARY, VER. 4.0 M 3 m; B# _) H0 j' c178 MCOTEA Marine Corps Operational Test and Evaluation [Command]. MCP (1) Materiel Change Package (US Army term). " z; K) S" a; R(2) Military Construction Program. MCPDM Marine Corps Program Decision Making. MCRDAC Marine Corps Research, Development & Acquisition Command. MCS (1) Maneuver Control System. (2) Midcourse Sensor. Q/ E% B# c% C* f5 K4 bMCSS (1) Midcourse Surveillance System. (2) Military Communications Satellite System. MCT Mercury Cadmium Telluride (cf. HgCdTe). MCTE Mission, Course of Action, Task, and Element Control Directives. MCTL Militarily Critical Technologies List. MCTR Missile Control Technology Regime. U: ]4 R& b- O+ t' EMCV Mission Capable Vehicle. : h$ e" y* X6 T4 m1 vMD Missile Defense. 1 J5 L# x& W3 ^0 z& z, iMDA (1) Missile Defense Agency. (2) Missile Defense Act. (3) Milestone Decision Authority. (4) McDonnell-Douglas Aerospace. ( q; i1 B' `- z7 }& E+ qMDAHWG Missile Defense Ad Hoc Working Group. MDAP Major Defense Acquisition Program. 4 w, v" u' p$ s, K1 KMDART Missile Defense Activities Review Team. # X1 W3 E% j E* ?) d, ]7 fMDBIC Missile Defense Barrel Integration Center. 4 Y+ J) y; c- Q" a AMDC Midcourse Data Center, Advanced Research Center, Huntsville, AL. MDCI Multi-Discipline Counterintelligence. , L6 Z2 _4 w, Q _8 |4 wMDDC Missile Defense Data Center, USASSDC, Huntsville, AL.

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MDP Manufacturing Data Package. MDR (1) Medium Data Rate (TelComms/Computer term). % r/ l7 K/ j" D# {(2) Milestone Decision Review. (3) Multi-national Defense Research. ; U! `, u$ V" a0 {3 b" [$ x. rMDSC Missile Defense Scientific and Technical Information Center. MDSTC Missile Defense and Space Technology Center. MDT Maintenance Down Time. MDTD Mean Downtime Documentation (ILS term). MDTOA Mean Downtime for Outside Assistance (ILS term). MDA GLOSSARY, VER. 4.0 M 7 D+ c7 X" L$ x6 d! W, |8 o6 _- \2 ?179 7 N1 \1 Z0 O& V; JMDTOR Mean Downtime for Other Reasons (ILS term). ! a( b+ J( H6 sMDTT Mean Downtime for Training (ILS term). " c, x3 K. \5 h( |MDW Mass Destruction Weapons. ME/VA Mission Essential/Vulnerable Area % {3 D5 w& Y5 M* |2 `$ EMEA Mission Effectiveness Analysis (JFACC term). MEADS See Medium Extended Air Defense System. Mean Time 4 n. j* w, p' YBetween Failures 8 N# k! h# V8 n. H(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 7 F4 v0 U/ K, A# {5 i- @4 Y1 pmeasurement interval. The definition holds for time, rounds, miles, events, or ! ~& V+ Y1 U s& n4 x9 U1 {other measures of unit life. MTBF is a basic measure of reliability. 1 r3 i6 v) ?: F. nMean Time To Y0 a+ y |. [Repair (MTTR) The total elapsed time for corrective maintenance divided by the total number of ' u* h7 P/ ] Tcorrective maintenance actions during a given period of time. A basic measure ! r0 e' a; m8 K; gof maintainability. Mean Time to + t; f0 R* w: |6 X. p) s* R& {1 r+ TRestore System 7 w3 ^& O2 i3 w(MTTRS) 6 h# A$ N0 V% | RA measure of the system maintainability parameter related to availability and 5 i; s7 q6 T6 c* S& b; @1 c2 H0 Greadiness. The total corrective maintenance time associated with downing events, divided by the total number of downing events, during a stated period of 7 V( m, B# z8 O7 {: jtime. (Excludes time for off-system maintenance and repair of detached components.) 7 t2 r! @$ Y, F4 mMEASAT Malaysia East Asia Satellite. : x) I1 |/ r. S1 C. ]( U) V: PMeasure of Effectiveness (MOE) 8 a7 `5 k: v: i4 t l: pThe 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 Orbit (MEO) Space vehicles characterized by orbits between 400 and 10,000 nautical miles, , t8 {1 c) Z- R' Nlonger duration revolution (2 to 12 hours), longer visibility envelopes (10 minutes ! M/ W& x0 W5 ~7 L! V& z/ b1 D3 U0 Uup to approximately 1 hour), and generally longer lifetimes. This region contains ' F) d! }# O2 q5 m' h$ L& Bthe Van Allen radiation belts where electronic components need special protection. 5 ]9 `( A+ ?8 ^3 IMedium Extended Air Defense System (MEADS) - ^6 W# O' e/ i0 `A lightweight, highly transportable, low-to-medium altitude air defense and : r, `7 e' N& G: C1 q, w/ Mtheater missile defense system designed to protect critical fixed and maneuverable corps assets. MEADS superseded the Corps SAM program in , a- a& I2 w' [ n1995. Medium Power Lasers Lasers that radiate power less than 1 MW, normally used to detect, identify, * f$ o: Y6 T, d1 d ~7 b5 htrack, and designate a target vehicle. 5 u3 S* U% S' ~, ^ H' UMedium Range Ballistic Missile / s" K' ?- e; m) i M. o(MRBM) & U. S' z0 E3 o4 _4 r; j0 T! D% TA ballistic missile with a range from about 600 to 1,500 nautical miles. ! d, q# y( |5 O PMedium Wavelength - }3 v6 I) p4 @6 OInfrared (MWIR) % t, g$ T9 |7 O- p7 |* K6 bThermal radiation emitted by a source in the electromagnetic spectrum 2 \, J2 R% s) y' g" W/ v5 ?encompassing infrared wavelengths of 3 to 6 microns. $ G6 C0 s8 r# R: [5 IMDA GLOSSARY, VER. 4.0 M 180 MEF Marine Expeditionary Force. 4 x/ O9 ?3 X }! c. JMEILSR Minimum Essential ILS Requirements (NSA term). MEL (1) Maintenance Expenditure Limit. (2) Mobile Erector Launcher. * q) j Q, y0 D( O g. QMEM (1) Mission Effectiveness Model. (2) Mission Equipment Modernization. Memorandum of 1 @1 L/ F3 o9 D3 H8 hAgreement (MOA) (1) In contract administration, an agreement between a program manager # {& c \; Y9 `/ zand a Contract Administration Office, establishing the scope of % o% _4 |" w: F5 ]5 ]6 U1 n% r, L5 Kresponsibility of the Contract Administration Office with respect to the % H. N+ g( S& Z6 ^, y4 c! c. qcost and schedule surveillance functions and objectives, and/or other contract administration functions on a specific contract or program. ' b! A7 M' N3 T1 G* u$ N(2) Any written agreement in principle as to how a program will be administered. 7 N, }; c! z/ C- @+ i7 D7 N; NMemorandum of Understanding (MOU) |0 J) h& p, [7 \, X" a. a1 IOfficial agreements concluded between the NATO countries' defense ministries but ranking below government level international treaties. De facto, all partners generally recognize such agreements as binding even if no legal claim could be based on the rights and obligations laid down in them. MEO Medium Earth Orbit. MER Manpower Estimate Report. - O! P+ t/ p+ C7 G! v4 KMercury Cadmium : Q# [+ I2 t$ n! h3 s' }6 J2 h8 BTelluride (HCT) Infrared sensing material. 5 E* _4 g& a2 w/ `% N. p6 ]MES Military Essential Support.

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MESAR Multifunction Electronically Scanned Adaptive Radar (UK). MESFET Metal Schottky-Gate Field Effect Transistor. " l2 e3 k: ^3 {. w" t/ B$ L6 vMesosphere The portion of the atmosphere from about 30 to 80 kilometers above the earth. ; L; c2 B. f- E. \+ _/ X5 uMethods 4 K% b2 S$ s; BEngineering The technique that subjects each operation of a given piece of work to close % }4 k2 y. d6 }analysis to eliminate every unnecessary element or operation and to approach * [. |# s. g O( s( Dthe 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 9 q9 b% W0 v& Zplans. METO Minimum Effort Task Order. 6 w6 d, V6 E+ D" c' PMETOIA Minimum Effort Task Order Impact Assessment. METOP Minimum Effort Task Order Plan. ( l; S* v8 T" t# ~6 FMETOR Minimum Effort Task Order Requirement. Metric (Software). An indicator, which measures some specific attribute of the software development process. MDA GLOSSARY, VER. 4.0 M 181 Metrology The science of measurement, including the development of measurement standards and systems for absolute and relative measurement. Used to determine conformance to technical requirements including the development of ! c7 n* @' v S- V6 w* h& ?standards and systems for absolute and relative measurements. ! G L6 c4 F! E' R' R1 H" J) WMeV Million Electron Volts. ?4 f- i) I a& c2 I, w4 A8 oMEZ Missile Engagement Zone. 6 G% W& ~7 M( f+ I7 N9 F( IMFAR Modular Multifunction Phased Array Radar. MFEL Medical Free Electron Laser. 3 x, J) M5 C$ t s8 ~MFG Master Frequency Generator. : `$ w1 P. ^7 R, V1 \* w ^# ~3 g2 uMFL Multiple Folded Ladar. , [+ e" l7 j4 R0 e/ YMFLOPS Million Floating Point Operations Per Second. MFP Major Force Program. MFR Memorandum For Record. 9 W J( S: H- E! aMFS MFS Communications Company, Incorporated. " N& q; h; H# o% NMFSIM Multifunction Simulation (PATRIOT), Huntsville, AL. MGEP Mobile Ground Entry Point. MGLI Midcourse Ground Launched Interceptor. 6 N4 |8 ^( z: u7 ^$ N9 b/ AMGMT Management. 8 j- x' w" S0 U; o, vMGTS Mobile Ground Telemetry Station. 8 T+ u3 f; u& m* ^# [0 p' s! N9 nMHD Magneto-Hydro-Dynamic. MHE (1) Material Handling Equipment. (2) Mobile Hauling Equipment. / k" W* J3 x( Z+ {6 DMHV Miniature Homing Vehicle. . N8 l2 b6 r4 l+ G& d0 @! T! gmi Statue mile (5,280 feet). MIC Management Information Center (MDA). 3 O- \, R, ?+ MMICOM U.S. Army Missile Command, Redstone Arsenal, AL. MIDAS Missile Defense Alarm System (US). 5 ~) U, T- b$ z( B" VMid-Course Defense Segment $ Y) M! O; s2 @/ i(MDS) The portion of the BMDS that defeats ballistic missiles during the period of flight 2 j$ j! J$ p* t5 z2 J3 S2 rbetween boost and atmospheric reentry. Midcourse Guidance The guidance applied to a missile between termination of the boost phase and the start of the terminal phase of flight. _4 n. H; ^6 F. d; S: W2 fMDA GLOSSARY, VER. 4.0 M X' @3 w! C; B: W182 Midcourse (MC) Phase $ ?7 H$ R# ]3 OThat 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. # n2 r9 I7 |# m; }7 g' SMidcourse Space Experiment (MSX) Designed to provide demonstrations of midcourse acquisition and tracking from # g/ G5 J1 k8 V; e4 i' k2 dspace, technology integration of optics, focal plane arrays, signal processing, ( e, x# P g' s c) Z l tetc., and collect background phenomenology measurements and target . b1 g7 e- r% asignature measurements. 3 v5 K% o+ ^& p$ `Midgetman US ICBM. MIDI Musical Instrument Digital Interface. MIDS Multi-Functional Information System (USN/NATO/Telecomm term). 9 `- u; E8 x& p u( JMIIRD Mission Issue Identification and Resolution Document. ' l4 W) @4 D; ~0 uMIJI Meaconing, Intrusion, Jamming, and Interference. % m6 C. I2 R6 p, f. rMIL Man-in-the-Loop. MIL-HDBK Military Handbook. MIL-STD Military Standard. MILCON Military Construction. 5 u& }* Q" ~9 k; v, [6 I/ y) SMilestone 5 T* H( w8 z/ E+ z1 tDecision Authority ( A/ I7 g$ L2 z# G. N" ?$ Q( P3 v0 `The individual designated in accordance with criteria established by the Under # A" Y' ]4 m5 f+ g, OSecretary of Defense for Acquisition and Technology to approve entry of an 3 G, u$ T% `& Uacquisition program into the next phase. n* Q% m+ d6 E! cMilestones (MS) Major decision points that separate the phases of an acquisition program. , ]1 ^7 Q$ }8 I6 zMilitary * ?6 O- \! K( D- BCapability 2 [1 m, A; ~2 p+ o+ w3 X5 @The ability to achieve a specified wartime objective (win a war or battle, destroy a ) f( k1 E+ m H* Q4 q: Etarget set). It includes four major components: a). Force Structure -- Numbers, $ D6 E2 C! ]8 E" w+ W" s9 Jsize and composition of the units that compromise our Defense forces; b) 0 g3 J: W: I, o6 N! S. eModernization -- 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 . q) s1 s6 l+ f! _* F-- The ability to maintain the necessary level and duration of operational activity to achieve military objectives. Sustainability is a function of providing for and & W f# r9 u/ smaintaining those levels of ready forces, materiel, and consumables necessary % S2 M2 r6 l8 r. `1 uto support military effort.