zone of observation
сектор спостереження
сектор спостереження
observation point / observation post (OP)
no-fly zone; air exclusion zone
zone standard time (zone time) (ZST)
grid zone designation / Grid Zone Designator
forward observer (FO), forward observation officer; (artillery) observer / spotter
infrared night vision observation device
United Nations India-Pakistan Observation Mission (UNIPOM)
United Nations Iraq-Kuwait Observation Mission (UNIKOM)
United Nations Observation Group in Lebanon (UNOGIL)
United Nations Yemen Observation Mission (UNYOM)
SLOCTOP (security, location, communication, targeting, observation, and position improvement)