ground-controlled approach procedure

ground controlled approach (GCA)

ground controlled approach system

ground-controlled approach radar

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

circulation-controlled anti-torque or circulation-controlled direction control system

missed approach procedure (aviation)

approach reference procedure

missed approach procedure

instrument approach procedure (IAP)

ground controlled interception

ground controlled boost guidance

ground-controlled guidance

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

call-out procedure

donning procedure

handover procedure

legal procedure

military standard requisitioning & issue procedure (MILSTRIP, NATO)

observed fire procedure

operational procedure

procedure words (prowords)

prowords (procedure words)

radiotelephone procedure

salvage procedure

security procedure

silence procedure

staff procedure