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

бриючий політ / поземний літ (літального апарата на гранично малій висоті, напр. 5-50 м)

terrain-hugging air-breathing low-flying vehicles

nap-of-the-earth pilotage

terrain hugging

hedgehopping bombing

scorched earth tactics (scorch-earth tactics)

earth-centered earth-fixed coordinate system (ECEF)

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

low flying aircraft / low-flying aircraft

radar cross-section / radar cross section (RCS); radar signature; radar crossover

automatic masking criteria

electronic masking

electromagnetic masking

pulse masking jamming

Ground Observer 12 (GO 12 Ground Surveillance Radar, нім. Bodenüberwachungsradar)

flying altitude above ground

TRML-4D radar (нім. Telefunken Radar Mobil Luftraumüberwachung / Telefunken mobile airspace surveilance radar)

accident of the ground (terrain)

terrain-avoidance / clearance radar

scorched earth policy

slave earth station

earth penetrating weapon

earth auger truck