on-off action control

off-route (off route)

off-design / off design

lift-off / lift off

on-off keying; on/off keying (OOK)

on-off action

off-route mine (ORM); horizontal action mine; horizontal effects mine; side-hitting mine

break off action

after-action review / after action review (AAR)

integrated mine action and development (linking mine action and development)

follow-up on corrective action / following on corrective action

tension release action mine / tension-release action mine

control action

gun control equipment / gun-control equipment (GCE)

individual control (of fire) / individual fire control

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

control surface / control-surface

roll-control / roll control

time-gain control / gain time control

fire-control director / fire control director

aileron control rod (from control wheel)

blast-off

commercial off the shelf

company (grade) officers (Co Off)

cooking off

drop-off point (DOP)

dust-off

duty, off duty

fend off enemy's a advance

Fissile Material Cut-Off Treaty (FMCT)

government off-the-shelf (item)

hands off!