ground-based forward air controller

proportional–integral–derivative controller (PID controller / three-term controller)

terminal attack controller (TAC) (= forward air controller)

forward air controller (FAC)

forward air controller (airborne) FAC(A)

forward air controller party

heliborne forward air controller

airborne forward air controller

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

Ground Based Air Defenses (GBAD)

ground-based air defense system

forward-based aircraft (FBA)

forward-based aircraft system

forward-based radar

ground controller

ground/air communications / ground-air communication

forward observer (FO), forward observation officer; (artillery) observer / spotter

early warning ground-based radar (EW GBR)

ground-based battlefield surveillance radar station

ground-based sense and avoid (GBSAA)

over-the-horizon ground-based radar

ground-based radar

ground-based guidance

ground-based radio guidance

beyond-the-horizon ground-based radar (BTH)

air controller

tactical air controller

air traffic controller (ATCo)

air intercept controller

forward side slope ground clearance

forward area ground control

air-based

air-based missile