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

over-the-horizon ground-based radar

beyond the horizon radar (BTHR)

beyond visual range / beyond-visual-range (BVR)

beyond-the-horizon communication

beyond-the-horizon surveillance

artificial horizon (gyro horizon/ attitude indicator)

artificial horizon / attitude indicator, gyro-horizon

attitude indicator / artificial horizon, gyro-horizon

gyro-horizon / artificial horizon, attitude indicator

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

early warning ground-based radar (EW GBR)

ground-based battlefield surveillance radar station

ground-based radar

radar cross-section / radar cross section (RCS); radar signature; radar crossover

high frequency over-the-horizon (HF OTH) radar

radar horizon

forward scatter-over-the-horizon radar (OTH)

over-the-horizon radar

over-the-horizon radar (OTHR)

Ground Based Air Defenses (GBAD)

ground-based sense and avoid (GBSAA)

ground-based forward air controller

ground-based guidance

ground-based radio guidance

ground-based air defense system

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

beyond line-of-sight (BLOS)

beyond local repair

flank extension beyond enveloping force

go beyond the verge of powers

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

beyond radio line of sight