pick off

pick axe / pick-axe

pick off a sentry

pick off a target

pick off a salient

ice-pick

pick up

pick-up and delivery zone

pick-up point (PUP)/zone (PZ)/site (PS)

pick-up rendezvous

pick-up sight

pick-up unit

VERTREP pick-up and delivery zone

pick-up zone (PZ)

PZ operation (pick-up zone operation)

pick axe

pick-up dipole

pick up wire

test pick

range and pick-up characteristics

off-route (off route)

off-design / off design

lift-off / lift off

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

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)