accident of the ground (terrain)

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

accident of the terrain

aircraft accident (flight accident; aircraft mishap)

aircraft accident / flight accident, aircraft mishap

aircraft mishap / flight accident, aircraft accident

flight accident / aircraft accident, aircraft mishap

aircraft accident; flight accident

open country/ground/terrain

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

battle-ground / battle ground / battleground

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

vantage ground / vantage-ground

all terrain vehicle (ATV)

all-round surveillance of terrain

broken terrain

combat terrain information system (CTIS)

critical terrain

decisive terrain

difficult terrain

digitized terrain elevation data (DTED)

dominating terrain

engineer terrain intelligence

flat terrain

irregular terrain

key terrain

key terrain feature

maneuverable terrain

mission, enemy, terrain (and weather), troops, time available, civil considerations (METT-TC)

MRAP All Terrain vehicle (M-ATV)

restrictive terrain

retention of terrain

rough terrain container handler (RTCH)