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Capability (LOC)
A point in time when the first set of sensors and weapons can be employed to
provide a limited protection system.
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 maturity,
manufacturing process final proofing, and product engineering and to verify a
factories capabilities prior to a decision to proceed with production. Decision
usually made near the end of EMD or at Milestone IIIA or equivalent. (Also
called Low-Rate Initial Production or Pilot Production.)
Limited Test
Ban Treaty
The 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
underground, and prohibits nuclear explosions underground if they cause
radioactive debris to be present outside the territorial limits of the state under
whose jurisdiction or control the test would be conducted.
LIN Line Item Number.
Linac Linear Accelerator.
Line Item
(Budget)
A specific program end item with its own identity (e.g., B-1B Bomber).
Line of Sight
(LOS)
The line from sensor to target necessary for the commencement of the detection,
acquisition, track, and identification of a target.
Line Replaceable
Unit (LRU)
An essential support item removed and replaced at field level to restore end item
to an operationally ready condition. (Also called Weapon Replacement
Assembly and Module Replaceable Unit).
Link-16 TADIL-J.
Link Quality
Evaluation
This testing of links to create bit error estimates and monitors natural or induced
link interference.
LIP Lethality Improvement Plan.
Liquid Fuel
Booster (LFB)
Target booster being developed to mate with current reentry vehicles and
emulate the short/medium range threat.
LIS Laser Isotope Separation.
LITINT Literature Intelligence.
MDA GLOSSARY, VER. 4.0 L
167
Live Fire Test
And Evaluation
(LFT&E)
Survivability testing and lethality testing required before full-scale production.
Must 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.
LIWA 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).
LLUM Low background LWIR Uniform Mercury Cadmium Teloride (HgCdTe).
LM (1) Lockheed Martin, a defense industry contractor.
(2) Logistics Manager (ILS term).
LM/GES Lockheed Martin/Government Electronic Systems.
LMA Lockheed Martin Astronautics, a defense industry contractor.
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).
LNO Liaison Officer.
LO (1) Local Oscillator (Electronics Engineering term).
(2) Low Observables (LODE-related term).
LOA Letter of Agreement.
LOAD Low Altitude Defense.
LOC (1) Lines of Communication.
(2) Lines of Code.
(3) Limited Operational Capability.
MDA GLOSSARY, VER. 4.0 L
168
LOCAAS Low Cost Autonomous Attack System (USAF term).
Local
Assessment of
Engagement
The assessment of an engagement by high-resolution fire control sensors.
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 of
Element Processor Emulation and provide a realistic response to the Element
Processor or Element Processor Emulation.
Lock On Signifies that a tracking or target-seeking system is continuously and
automatically tracking a target in one or more coordinates (e.g., range, bearing,
elevation).
LODE Laser Optics Demonstration Experiment.
LODTM Large Optics Diamond Turning Machine.
LOE (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.
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