non-directional beacon (NDB) / non directional beacon

non-directional radio beacon with marker (NDB/MRB)

non-directional beacon (NDB )

non-directional beacon (NDB)

non-directional radio beacon (NDB)

non-directional radio beacon

directional beacon

non-directional jumping mine

non-directional antenna

non-interference; non-intervention

non-mandated non-governmental organization

controlled directional mine

directional-control hydraulic valve

frequency and directional chart

directional tread type tire

directional control pedal

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

directional gyro

directional noise measurement

directional radio

directional trimming actuator

omni-directional radio range

directional stability

directional infrared counter measures (DIRCM)

directional infrared countermeasures (DIRCM)

directional

directional angle

directional antipersonnel weapon

directional marker

directional napalm fougasse bomb

directional traverse

directional finding bearing