get off the ground

злетіти / відірватися від землі / піднятися в повітря (про літак тощо) (‘… this mission would probably be scratched before they got off the ground.’ - Bowden, Mark. `Black Hawk Down` – p. 4); увімкнутися в роботу; почати діяти

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

get bead / get one's bead

get kicked off the force

get off the trucks

get below ground

get clear of the broken ground

off-route (off route)

off-design / off design

lift-off / lift off

on-off keying; on/off keying (OOK)

order aircraft off ground

battle-ground / battle ground / battleground

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

vantage ground / vantage-ground

ground-to-ground guided missile

ground-to-ground rocket

ground/air communications / ground-air communication

get fully operational

not be able to get (someone) on the comms

get access to the inner workings of

get access to classified information