high altitude

high altitude-high opening (HAHO)

high altitude-low opening (HALO)

high- and low-altitude surveillance

high-altitude long-endurance (HALE)

high-altitude low-opening parachute technique (HALO)

high-altitude nuclear burst

surveillance, high- and low-altitude surveillance

theater high altitude air defense (THAAD) system

high altitude arrival waypoint

very-high-altitude missile

high-altitude rocket barrage

high-altitude helipad

high altitude pseudo satellite (HAPS)

high-altitude drone

high-altitude long endurance unmanned aerial vehicle

high-altitude unmanned aerial vehicle

high-altitude takeoff

high pay-off target / high-payoff target (HPT)

high-burst / high burst (HB)

high road; high-road

high-power illuminator radar / high power illuminating radar (HIPIR)

high-performance / high performance

altitude

altitude barrier

altitude dial

altitude performance

altitude separation

cruising altitude

gain altitude

keep-out altitude

low altitude parachute extraction system (LAPES)

operational altitude