This site contains a comprehensive list of U.S. military terms and definitions.
LAAIB Latin American Air Intelligence Brief LAAM Light Anti-Aircraft Missile LAB Laboratory LABS Laboratories LAD Launch Assist Device LADD Low Angle Drogue Delivery LAEO Low-Altitude Electro-Optical LAEWWING Light-Airborne Early Warning Wing LAF Launch Alert Folder LAFTA Latin America Free Trade Association LAGEOS Laser Geodynamic Satellite LAI (1) Light Armored Infantry; (2) Look-Down Air Intercept LAL Library Accessions List LALO Low-Altitude Low-Opening LAM Louisiana Maneuvers LAMM Land Armament and Manpower Model LAMP Lockwood Analytical Method for Prediction LAMPS (1) Light Airborne Multipurpose System; (2) LANTCOM Message Processing System LAN Local Area Network LANDCENT Land Forces Central Region LANDSAT Land Satellite (Commercial Multi-Spectral) LANDSOUTH Land Forces Southern Region LANFORSIXTHFLT Landing Force Sixth Fleet LANL Los Alamos National Laboratory LANT Atlantic LANTAF Atlantic Command Air Forces LANTAREA Atlantic Area LANTCOM Atlantic Command (now ACOM) LANTCOMDIS Atlantic Command Deployable Intelligence System LANTCOM JIC Atlantic Command Joint Intelligence Center (AIC) LANTDAC Atlantic Command Defense Analysis Center LANTDIS USACOM Deployable Intelligence System LANTFLT U.S. Atlantic Fleet LANTIRN Low-Altitude Navigation and Targeting Infrared System for Night LANTIS Atlantic Intelligence Supplement LANUP Local Area Network Upgrades LANWAN Local Area Network/Wide Area Network LAR Laser-Aided Rocket LARB Light Amphibious Reconnaissance Battalion LARS Light Artillery Rocket System LAS Land Analysis System LASA Light Armed Surveillance Attack LASER Light Amplification by Stimulated Emission of Radiation LASERFAX Secure System for Transmitting Photos LASH Lighter Aboard Ship LASINT Laser Intelligence LASTE Low-Altitude Safety Targeting Enhancement LAT Latitude LATAM Latin America LATIN Atlantic Command Theater Intelligence Network LATS Large Aperture Tracking System LATWING Light Attack Wing LAV Light Armored Vehicle (non-tactical) LAW Light Antitank Weapon LAWS Long-Range Cruise Missile Analysis and Warning System LB Live Broadcast Lb Pound L-BAND 1 to 2 GHz LBR Laser Beam Recorder lbs (LB) Pounds LBSR Lightweight Battlefield Surveillance Radar LC (1) Library of Congress; (2) Line of Contact LCAC Landing Craft, Air Cushion LCC (1) Amphibious Command Ship; (2) Logistics Coordination Center; (3) Launch Control Center; (4) Land Component Commander LCC-IC Amphibious Command Ship-Intelligence Center LCD Liquid Crystal Display LCE Liaison Coordination Element (Special Operations Liaison Team in Coalition Operations) LCF Launch Control Facility LCM (1) Medium Landing Craft; (2) Life Cycle Management LCP (1) Personnel Landing Craft; (2) Launching Control Post LCPR Ramped Personnel Landing Craft LCS Low-Cost Satellite LCSMM Life Cycle Support Management Model LCSR Swimmer Reconnaissance Landing Craft LCU (1) Utility Landing Craft; (2) Launch Correlation Unit LCW Special Warfare Support Craft LCWS Low-Cost Workstation LD (1) Line of Departure; (2) Laser Defense LDC (1) Less-Developed Country; (2) Local Data Concentrator; (3) Light-Weight Deployable Communication; (4) Land Defense of CONUS LDEF Long Duration Exposure Facility LDF Lightweight Digital Facsimile LDIS Library Document Inventory System LDM Limited Distance Modems LDMX Local Digital Message Exchange LDR Low Data Rate LDS Laser Detection System LDSD Lookdown/Shootdown LDT Large Diameter Target LDX Long-Distance XEROX LEA Law Enforcement Agency LEAD (1) Low-Cost Encryption/Authentication Device; (2) List of Emerging Activations and Dispositions LEAF Law Enforcement Access Field LEASAT (1) Leased Satellite; (2) Leased System LED Light Emitting Diode LEDS Link 11 Display System LEM Land Engagement Model LEN Large Extension Node LENSCE Limited Enemy Situation Correlation Element LEP Linear Error Probable LEPCU Lightweight Environmental Protection Combat Uniform LEO Low Earth Orbit LEO COM Low Earth Orbit Data Communications LERTCON Alert Condition LES (1) Leading Edge Services; (2) Land Earth Station; (3) Limited Effects Submunition LEW Limited Effects Weapons LEXIS Meade Data Central Legal Service LF (1) Low Frequency; (2) Launch Facility; (3) Landing Force LF6F Landing Force 6th Feet LFC Large Format Camera LFICS Landing Force Integrated Communications System LFM Landing Force Manual LFOC Landing Force Operations Center LFOV Limited Field of View LFR Inshore Fire Support Ship LFRSV Launch-Fly-Recover Space Vehicle LFS Amphibious Warfare Fire Support Ship LG ACC Director of Logistics LGB Laser-Guided Bomb LHA Amphibious Assault Ship (General Purpose) LHA-IC Amphibious Assault Ship (General Purpose)-Intelligence Center LHD Multi-Purpose Amphibious Assault Ship L-HOUR Hour on C-Day when deployment begins LHR Low Hop Rate LHW Lower High Water LHX Lightweight Helicopter LIC Low-Intensity Conflict LIDAR Light Detection and Ranging LIGHTSAT Lightweight Satellite LIMDIS (1) Limited Dissemination; (2) Limited Distribution LIME Laser-Induced Magnetic Emissions LIMMER Limited Control of Merchant Shipping LIN LANTCOM Intelligence Network LINCS Long-Range Intelligence Networked Communications Service LIR Launch and Impact Report LISS LANTCOM Intelligence Support System LITE Laptop Imagery Transmission Equipment LITES Laser Intercept and Technical Exploitation System LITINT Literature Intelligence LIVID Language Identification and Voice Identification LIWA Land Information Warfare Activity LJ Laser Jet LKA Amphibious Cargo Ship LKG Loop Key Generator LL (1) Landline; (2) Latent Lethal Dose LLLTV/IR Low-Light-Level TV/Infrared LLSO Low-Level Source Operations (CI/HUMINT) LLTV Low-Light-Level Television LLNL Lawrence Livermore National Laboratory LLO Land Liaison Office LLW Lower Low Water LLVI Low-Level Voice Intercept LMBB GENSER Intelligence Broadcast LMCC LOCE Mobile Correlation Center LMD Local Management Device LMD-KP Local Management Device/Key Processor LME Layer Management Entry LMI Layer Management Interface LMR Land Mobile Radio LMRDFS Lightweight Man-Transportable Radio Direction Finding System LMS (1) Local Monitor Station; (2) Least Means Squared LMSR Large Medium Speed RO/RO LNA Low Noise Amplifier LNE Liaison Element LNG Liquefied Natural Gas LNIS Atlantic Command Naval Intelligence Summary LNO (1) Limited Nuclear Option; (2) Liaison Officer LNU Last Name Unknown LO (1) Liaison Officer; (2) Low Observables LO/LO Lift-On/Lift-Off LOA (1) Letter of Agreement; (2) Lead Operational Authority; (3) Letter of Assist LOAC Law of Armed Conflict LOB Line of Bearing LOC(S) (1) Line(s) of Communication; (2) Library of Congress; (3) Launch Operations Center; (4) Liaison Officer Coordinator; (5) Location; (6) ILS Localizer LOCD Lines of Communication Designators LOCE (1) Limited Operational Capability, Europe; (2) Linked Operations-Intelligence Centers Europe LOCK Logical Co-Processing Kernel LOD Low-Observable Demonstrations LOFAR Low-Frequency Analysis and Recording LOG Logistics LOGCAP Logistics Civil Augmentation Program LOGEX Logistics Exercise LOGS Logistics LOI (1) Letter of Instruction; (2) Location of Interest LON Longitude LONG Longitude LORAD Long-Range Air Defense LORAN Long-Range Navigation LOROP Long-Range Oblique Photography LOROPS (1) Long-Range Optical System; (2) Long-Range Oblique Photographic Sensor LOS (1) Line of Sight; (2) Law of the Sea LOTS (1) Lighter Over the Shore; (2) Logistics Over the Shore LOW (1) Laws of War; (2) Launch on Warning LOX Liquid Oxygen LP Listening Post LPA Amphibious Personnel Transport LPAR Large Phased-Array Radar LPC Linear Predictive Coding LPD (1) Amphibious Assault Transport Dock; (2) Low Probability of Detection LPD/I Low Probability of Detection/Intercept LPF Low Pass Filter LPG Liquefied Natural Gas LPH Amphibious Assault Ship (Helicopter) LPI (1) Low Probability Intercept; (2) Lines per Inch LPO Leading Petty Officer LPR Amphibious Transport (Small) LPS (1) Logistics Planning Study; (2) Large Processing Station LPSS Amphibious Transport Submarine LPT Logistics Preparation of the Theater LRA Long-Range Aviation (FSU) LRAA Long-Range Air Army (FSU) LRAACA Long-Range Air-ASW Capable Aircraft LRAAM Long-Range Air-to-Air Missile LRC (1) Logistics Readiness Center; (2) Logistics Resupply Center; (3) Lesser Regional Contingency; (4) Limited Regional Conflict; (5) Limited Regional Contingency LRCM Long-Range Cruise Missile LRCS Light-Reaction Communications System LRE Launch and Recovery Element LREO Long Range Electro-Optical LRINF Longer Range Intermediate-Range Nuclear Forces LRIP Limited/Low-Rate Initial Production LRL Low-Cost Receive Location LRM Low-Rate Multiplexer LRP (1) Low-Rate Production; (2) Long-Range Plan; (3) Limited Response Package LRR Long-Range Reconnaissance LRRP Long-Range Reconnaissance Patrol LRSC Long-Range Surveillance Company LRSO Long-Range Surveillance Out-Post LRSP (1) Long-Range Surveillance Plan; (2) Long-Range Systems Plan LRSPRAC Long-Range Special Reporting and Coordination LRSTIA Long-Range Scientific and Technical Intelligence Assessment LRSU Long-Range Surveillance Unit LRTNF Long-Range Theater Nuclear Forces LRU Line-Replaceable Unit LSA (1) Logistics Support Analysis; (2) LAN Systems Administrator LSB Lower Sideband LSC Linear Shaped Charge LSCS Logistics Support Command, Somalia LSD (1) Landing Ship, Dock; (2) Lease Separation Distance LSDV Swimmer Delivery Vehicle LSE Logistic Support Element LSG Large-Scale Graphics LSI Large-Scale Integration LSM Medium Amphibious Assault Landing Ship LSP Launch Sequence Plan LSS Library Support System LSSA Logistic System Support Activity LSSC Light Seal Support Craft LST (1) Amphibious Vehicle Landing Ship; (2) Local Standard Time LST-5C Deployable Satellite Terminal LSV Light Strike Vehicle LT (1) Light Table (2) Light LTAC Land Terminal Access Control LTAS Lightweight Tactical Army Satellite Communications System LTBT Limited Test Ban Treaty Ltd Limited LTDP NATO Long-Term Defense Program LTDS Laser Target Designator System LTI Lightweight Thermal Imager LTID Laser Target Interface Device LTIOV Latest Time Information of Value LTMS Light Table Mensuration System LTOE Living Table of Organization and Equipment LUA Launch Under Attack LUT Limited User Test LVDS Low-Volume Dissemination System LW Low Water LWA Light Weight Aircraft LWIR Long-Wavelength Infrared LWM Lightweight Motor LWOP Leave Without Pay LWR Lutheran World Relief, Inc LWT Amphibious Warping Tug LZ Landing Zone LZCT Landing Zone Control Team