спостережний пункт артилерійської групи
artillery groupment observation post
groupment command post
observation point / observation post (OP)
command-and-observation post
artillery observation post
control observation post
air observation post observer
amount of command of observation post
antiaircraft observation post
battery observation post
cross-observation post
flash-spotting observation post
fort-observation post
forward observation post
forward observation post observer
armored observation post
artillery group observation post
artillery observation post vehicle
forward artillery observation post
mobile artillery observation post
sound ranging observation post
vehicle-mounted artillery observation post
air observation post
air observation post flight
air observation post squadron
command p.-observation post
scientific observation post
aiming post lamp / aiming post light
close observation
forward observer (FO), forward observation officer; (artillery) observer / spotter
hostile observation
infrared night vision observation device