висотний бар'єр
antisubmarine barrier
barrier materials
barrier minefield
barrier plan
barrier restricted area
barrier system
barrier troops / blocking detachments (units) / anti-retreat forces
boom barrier (boom gate)
concrete barrier
portable vehicle-arresting barrier (PVAB)
sonic barrier
vehicle-arresting barrier
barrier inspection
crash barrier
noise barrier
barrier
gas barrier
vapor barrier boot
lateral barrier
altitude
altitude dial
altitude performance
altitude separation
cruising altitude
gain altitude
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