high- and low-altitude surveillance

surveillance, high- and low-altitude surveillance

high altitude-low opening (HALO)

high-altitude low-opening parachute technique (HALO)

high altitude-high opening (HAHO)

airborne targeting low altitude navigation thermal imaging and cueing (system)

Low Altitude Authorization and Notification Capability (LAANC)

Low Altitude Authorization and Notification Capability system (LAANCs)

low altitude parachute extraction system (LAPES)

subsonic low altitude cruise missile

low altitude arrival waypoint

low-altitude departure waypoint

low-altitude course (to the target etc.)

low altitude radio altimeter

low-altitude safety

low-altitude drive on ground

low-altitude pursuit drive on ground

low altitude unmanned research aircraft

low altitude/airspeed unmanned aircraft

low-altitude drone

low-altitude photoreconnaissance drone

low-altitude unmanned aerial vehicle

low-RCS target / low-radar-cross-section target

low flying aircraft / low-flying aircraft

low-flying, low-speed drone

surveillance, under surveillance

high altitude

high-altitude long-endurance (HALE)

high-altitude nuclear burst

theater high altitude air defense (THAAD) system

high altitude arrival waypoint

very-high-altitude missile

high-altitude rocket barrage