Defense — page 33 of 65

6,416 terms

Defense terms

  1. LEO Low Earth Orbit.
  2. LETS LWIR Environment and Threat Simulation.
  3. 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.
  4. Leverage Leverage is an investment technique in which you use a small amount of your own money to make an investment of much larger value.
  5. LF (1) Landing Force. (2) Low Frequency. 165
  6. LFIE Live Flight Integration Exercise.
  7. LFOV Limited Field of View.
  8. LFS Loral Federal System, Gaithersburg, MD.
  9. LFT&E Live Fire Test and Evaluation.
  10. LGB Laser Guided Bomb.
  11. LGM (1) Laser Guided Missile. (2) Loop Group Multiplexer.
  12. LGSM Light Ground Station Module (USA CECOM term).
  13. LHO Amphibious Assault Ship.
  14. LI Lifted Index. A common measure of atmospheric instability. Its value is obtained by computing the temperature that air near the ground would have if it…
  15. LIC Low Intensity Conflict.
  16. LIDAR An instrument similar to a radar but uses a laser to generate light pulses rather than radio waves, generally used to measure aerosol content and particle…
  17. life cycle The sequence of events from a given developmental stage in one generation to the same stage in the following generation.
  18. Life Cycle of a Weapon System All phases of the system's life including research, development, test and evaluation, production, deployment (inventory), operations and support, and…
  19. Life Jacket The life support storage container for a Brilliant Pebbles singlet. The life jacket contains subsystems that perform power, communications, and…
  20. Life-Cycle Cost (LCC) The total cost to the Government of acquisition and ownership of that system over its useful life.
  21. Life-Cycle Management Process for administering an automated information system or hardware support system over its whole life, with emphasis on strengthening early decisions…
  22. 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…
  23. Light Detection and Ranging (LIDAR) A precision probing instrument used to measure concentrations of different gasses or particulates in a given amount of atmosphere.
  24. Light Replicas (LREP) Decoys that, by virtue of shape, closely approximate an RVs signature with little off-load penalty.
  25. LIMDIS Limited Distribution.
  26. LIMIDIS Limited Distribution. 166
  27. Limited Attack An attack on the U.S. and its allies, which provides a stressing timeline, and is geographically distinct. Not an all-out attack or mass wave.
  28. Limited 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…
  29. Limited Operational Capability (LOC) A point in time when the first set of sensors and weapons can be employed to provide a limited protection system.
  30. Limited 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…
  31. Limited Test Ban Treaty The bilateral Treaty signed and ratified by the United States and the (former) U.S.S.R.
  32. LIN Line Item Number.
  33. Linac A machine that uses electricity to form a stream of fast-moving subatomic particles. This creates high-energy radiation that may be used to treat cancer.
  34. Line Item (Budget) A specific program end item with its own identity (e.g., B-1B Bomber).
  35. Line of Sight (LOS) The line from sensor to target necessary for the commencement of the detection, acquisition, track, and identification of a target.
  36. Line Replaceable Unit (LRU) An essential support item removed and replaced at field level to restore end item to an operationally ready condition.
  37. Link Quality Evaluation This testing of links to create bit error estimates and monitors natural or induced link interference.
  38. Link-16 TADIL-J.
  39. Link-18 ????
  40. LIP Lethality Improvement Plan.
  41. Liquid Fuel Booster (LFB) Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat.
  42. LIS Laser Isotope Separation.
  43. LITINT Literature Intelligence. 167
  44. Live Fire Test And Evaluation (LFT&E) Survivability testing and lethality testing required before full-scale production.
  45. LIVEX Live Exercise.
  46. LIWA Land Information Warfare Activity.
  47. LJ Life Jacket (BE term).
  48. LL (1) Lincoln Laboratory, Lexington, MA. (2) Legislative Liaison.
  49. LLM Long Lead Material.
  50. LLNL Lawrence Livermore National Laboratory, Livermore, CA.
  51. LLTIL Long-Lead-Time Items List (ILS term).
  52. LLUM Low background LWIR Uniform Mercury Cadmium Teloride ( HgCdTe ).
  53. LM (1) Lockheed Martin, a defense industry contractor. (2) Logistics Manager (ILS term).
  54. LM/GES Lockheed Martin/Government Electronic Systems.
  55. LMA Lockheed Martin Astronautics, a defense industry contractor.
  56. LMANS Lockheed Martin Aeronautic and Naval Systems.
  57. LMC Late Midcourse.
  58. LMFBR Liquid-Metal Fast Breeder Reactor.
  59. LMIS Logistics Management Information System.
  60. LMMA Lockheed Martin Missiles and Space.
  61. LMSP Logistics Modeling and Simulation Panel (ILS term).
  62. LNA Low Noise Amplifier.
  63. LNC Local Network Controller.
  64. LNE Low Noise Exciter (Electronics Engineering term).
  65. LNO Liaison Officer.
  66. LO (1) Local Oscillator (Electronics Engineering term). (2) Low Observables (LODE-related term).
  67. LOA Letter of Agreement.
  68. Load Commissions charged on the purchase or sale of mutual fund units.
  69. LOC (1) Lines of Communication. (2) Lines of Code. (3) Limited Operational Capability. 168
  70. LOCAAS Low Cost Autonomous Attack System (USAF term).
  71. Local Assessment of Engagement The assessment of an engagement by high-resolution fire control sensors.
  72. Local Environment The ISTC Local Environment contained within each node simulates the element to the degree necessary to generate a realistic input to the Element Processor…
  73. Lock On Signifies that a tracking or target-seeking system is continuously and automatically tracking a target in one or more coordinates (e.g.
  74. LODE A mineralized ledge, vein or mineral deposit in place.
  75. LODTM Large Optics Diamond Turning Machine.
  76. LOE (1) Level of Effort. (2) Letter of Evaluation (AF).
  77. LOF Lifejacket Orbital Flight (BE term).
  78. Lofted Trajectory Trajectory with an apogee greater than the minimum-energy trajectory to the same range.
  79. log When you log off; disconnect from the game.
  80. LOG. WIPT Logistics Working-level IPT.
  81. LOGAM II Logistics Analysis Model II.
  82. LOGFAC Logistics Feasibility Analysis Capability.
  83. LOGFOR Logistics Force.
  84. Logistics The science of planning and carrying out the movement and maintenance of forces.
  85. Logistics Support The supply and maintenance of materiel essential to proper operation of a system in the force.
  86. Logistics Support Analysis (LSA) The selective application of scientific and engineering efforts undertaken during the acquisition process, as part of the systems engineering process, to…
  87. Logistics Support Analysis Record (LSAR) A formal tool under MIL-STD 1388-2A that uses records/forms to document operations and maintenance requirements, RAM, task analyses, technical data…
  88. Logistics Supportability The degree to which planned logistics support (including test, measurement, and diagnostic equipment; spares and repair parts; technical data; support…
  89. LOGPLAN Logistics Plan.
  90. LOGSIM Logistics Simulation Model.
  91. LOI (1) Letter of Instruction. (2) Letter of Intent.
  92. LOMEZ Low Altitude Missile Engagement Zone.
  93. Long Lead Items 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…
  94. Long Lead Items Long Range Air Launched Target (LRALT) Those components of a system for which the times to design and fabricate are the longest, and, therefore, to which an early commitment of funds may be…
  95. Long Wavelength Infrared (LWIR) Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 6 to 30 microns.
  96. LOR Level of Repair Analysis (ILS term).
  97. LORA Level of Repair Analysis (ILS term).
  98. LOS Line of Sight
  99. LOTS Logistics Over-The-Shore.
  100. Low A region of low pressure, marked as "L" on a weather map. A low center is usually accompanied by precipitation, extensive cloudiness, and moderate winds.

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