full-forward position

full motion full mission flight simulator

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

full-rich position

forward position

natural forward position

forward defensive position

launching position (missile position)

changeover from travelling position to fire position

position and navigation unit / position navigation unit (PNU)

in position / in-position

extended range full bore (ERFB)

full admiral

full alert (posture)

full command (FULLCOM)

full dress

full field pack

full load

full mess kit

full military service

Full Mission Qualified (FMQ)

full operational capability (FOC)

full pack

full speed (naut.)

full time military duty

full-dress sword belt

full-motion vehicle

full-rate production (FRP)

full-rubber track

full-scale war

full-time charter (FTC)

full-tracked

full metal jacket