directional antipersonnel weapon

non-directional beacon (NDB) / non directional beacon

antipersonnel ammunition

antipersonnel bomb cluster

antipersonnel minefield

antipersonnel obstacle

antipersonnel obstacle breaching system (APOBS)

high explosive antipersonnel

high explosive antitank and antipersonnel head

antipersonnel prefragmented bouncing mine

antipersonnel blast mine

antipersonnel flechette round

antipersonnel

controlled directional mine

directional-control hydraulic valve

frequency and directional chart

non-directional jumping mine

directional tread type tire

directional control pedal

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

non-directional antenna

non-directional beacon (NDB )

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

directional gyro

directional noise measurement

directional radio

directional trimming actuator

non-directional beacon (NDB)

directional antenna

non-directional radio beacon (NDB)

non-directional radio beacon

omni-directional radio range