begin handing over data

handing-in

begin cooperating

begin sea trials

fire over open sights (fire over sights)

personnel turn-over rate data

aircraft over the objective area phase

end of message over/out

go over the hill

high frequency over-the-horizon (HF OTH) radar

keel over

logistical over-the-shore equipment

logistics over the shore

moral ascendancy (over the enemy)

over-the-horizon forces

over-the-horizon ground-based radar

over-the-horizon range

peak (over)pressure

take over a mission

time over target (TOT)

take / regain control over

denial of air operations (over the battlefield)

discharge over undeveloped beaches

pass over a waypoint

over-water photo reconnaissance operations

cab-over-engine truck

capacity over the prescribed load

change over from travelling to fire position

change-over period

crawling over crossings

fire over (open) sights

go over to direct liaison

hold over / under