low flying aircraft / low-flying aircraft

low-flying, low-speed drone

anti-low-flying aircraft missile

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

terrain-hugging air-breathing low-flying vehicles

authorized low flying

low flying

low flying operation

low-flying targets

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

aircraft flying

assigned life (of an aircraft in flying hours)

organization of aircraft flying

aircraft flying wreck rate

low-time aircraft

low annoyance aircraft

low altitude unmanned research aircraft

low altitude/airspeed unmanned aircraft

flying boat

flying bomb

flying control officer

flying properties

flying squadron

flying wing

non-flying squadron

operational flight/ flying

unidentified flying object (UFO)

with flying colors

nap-of-the-earth (NOE) (ground-hugging / terrain masking / flying under the radar / hedgehopping)

achieve coordination in flying

flying ace goggles

flying command post