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

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

accident of the ground (terrain)

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

terrain-avoidance / clearance radar

scorched earth policy

slave earth station

earth penetrating weapon

earth auger truck

earth borer and polesetter truck

earth electrode