forward observation point

forward observer (FO), forward observation officer; (artillery) observer / spotter

observation point / observation post (OP)

forward artillery observation point

forward observation

forward observation post

forward observation post observer

commando forward observation regiment

forward artillery observation post

forward observation unit

artillery forward observation officer

bilateral observation point

key observation point

forward arming and refueling point (FARP)

forward area rearm and refuel point

forward ammunition point

forward class III supply point

forward fuel point

ballistic impact point (BIP) / ground (predicted) impact point (PIP)

target approach point; initial point (IP)

triangulation point (trig point)

objective rally point / objective rallying point

point-to-point communication

point-to-point flight

near-side rally point / near side rally point

far-side rally point / far side rally point

close observation

command-and-observation post

hostile observation

infrared night vision observation device

observation aircraft (O; obsn acft)

observation facilities

observation flight