over-the-horizon optical communication

over-the-horizon communication

artificial horizon (gyro horizon/ attitude indicator)

artificial horizon / attitude indicator, gyro-horizon

attitude indicator / artificial horizon, gyro-horizon

gyro-horizon / artificial horizon, attitude indicator

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

over-the-horizon forces

over-the-horizon ground-based radar

over-the-horizon range

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

over-the-horizon communications

over-the-horizon radar

over-the-horizon radio

over the horizon (OTH)

over-the-horizon radar (OTHR)

optical communication

optical-fiber communication

beyond-the-horizon communication

fire over open sights (fire over sights)

electro-optical countermeasures

electro-optical sensor

electro-optical system

optical decoy

optical device

optical electronic countermeasures

optical flash

optical gas mask

optical homing

optical intelligence

optical mine-hunting

optical munitions

optical range