офіцер служби безпеки / контррозвідки
field officer (field-grade officer / senior officer)
non-commissioned officer (NCO) / noncomissioned officer
ship security officer
security сlassification control officer
security сontrol officer
security agreement (information security, NATO)
above water warfare officer
Air Force Officer Training School
air liaison officer (ALO)
air officer`s guide
airlift duty officer
anti-submarine warfare officer
Army Officer Candidate School
assignment officer
calling officer
career officer
chemical officer
chief information officer (CIO)
Chief Petty Officer (CPO)
Chief Staff Officer
chief warrant officer
commanding officer (CO)
commissioned officer (ComO)
communications officer
control organization officer
duty officer
executive officer (XO)
fighter duty officer
fire support officer (FSO)
flag officer
flying control officer
forward observer (FO), forward observation officer; (artillery) observer / spotter