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L
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Left
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LADD
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Low Angle Drogue Delivery
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Ladder
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Three or more groups/contacts/formations in trail.
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Lag Corner
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A maneuver, executed from an offensive position, where excess energy is used to drive to defender's blind cone, then a high G turn is used to solve angle off. This maneuver is only effective if the attacker has an obvious turn performance advantage.
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Lag Pursuit
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An attack geometry that will cause the attacker to fly behind the target.
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Lag Pursuit Attack
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An attack geometry that will cause the attacker to fly behind the target. The nose of the attacking aircraft remains pointed behind the defender. (At some point a successful attack will usually have to transition to pure / lead pursuit.)
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Lag Roll
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A rolling maneuver, executed from an offensive position, performed opposite the direction of target turn in an attempt to reduce aspect angle and/ or control closure. Used to achieve rear aspect heat missile parameters.
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Lantirn
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Low-altitude navigation and targeting, infrared for night.
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Lateral (Pitch) Axis
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A reference line running left and right through the center of gravity of an airplane.
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LAU
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Launcher Armament Unit
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lb, LB
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Pound(s)
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LB/HR
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Pounds per Hour
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LB/MIN
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Pounds per Minute
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LCC
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Land Component Commander.
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LCO
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Limit Cycle Oscillation
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LCOS
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Lead Computing Optical Sight
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LD
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Load or Low Drag
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LE
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Leading Edge
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Lead Pursuit
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An attack geometry that will cause the attacker to fly in front of the target.
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Lead Pursuit Attack
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An attack geometry that will cause the attacker to fly in front of the target. The nose of the attacker's aircraft remains pointed ahead of the defender's aircraft.
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Lead Turn
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A turn which is initiated prior to passing the opponents 3/9 line.
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LEF'S
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Leading Edge Flaps
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Lethal Envelope
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The envelope within which the parameters can be met for successful employment of a munition by a particular weapons system.
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LG
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Landing Gear
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LGB
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Laser-Guided Bomb.
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Line Abreast
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Two groups/contacts/formations/aircraft side-by-side.
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Line Of Sight Rate
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An image's rate of movement across the canopy.
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Line Up
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Fighter briefing to FAC.
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Line-Of-Sight (Los)
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LOS - An imaginary straight line from an observer's eye to a target.
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LITENING
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Low Altitude Infrared Targeting and Navigation Pod
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LLTR
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Low-Level Transit Route (NATO).
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LMLG
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Left Main Landing Gear
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LOC
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Line of Communication.
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Locked (Bra/Direction)
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Final radar lock-on; sort is not assumed
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LOD
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Light-Off Detector
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LOMEZ
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Low Missile Engagement Zone (NATO).
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Longitudinal (Roll) Axis
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A reference line running fore and aft through the center of gravity of an airplane.
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LORAN
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Long-Range Navigation.
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LOS
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Line-of-Sight A line from the pilot's eye to the object (usually target) being viewed.
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Low
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Target altitude below 10,000 feet AGL
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Low Yo-Yo
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A maneuver, executed from an offensive position, used to close on the target aircraft by the effective use of cutoff and acceleration.
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LOX
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Liquid Oxygen
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LPU
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Life Preserver Unit
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LRU
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Line Replaceable Unit
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LTS
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Lights
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Lufberry
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A circular stagnated fight with no participant having an advantage.
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LWD
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Left Wing Down