serve one's time

all for one and one for all / one for all and all for one

serve one's term

serve out one's term

quick-serve meal

serve

serve a stint as

serve under the White

serve under someone

one-way UAV / one-way attack UAV (OWA UAV)

one-time report (on status of equipment etc.)

one-time report

prescribed range (running-time on one fuelling)

during one's time as a prisoner of war

zone standard time (zone time) (ZST)

time to climb / climb time

time-gain control / gain time control

real time kinematic / real-time kinematic (RTK)

takeoff time (T time)

commission, to resign one’s commission

complete one's tour

force one's way

hoist / strike one's flag

inch one's way forward

one day’s supply

one-man turret

one-piece

one-piece base

one-shot weapon

one-up

overstay one's leave

push one's way

reverse one's field