командир; начальник
field officer (field-grade officer / senior officer)
non-commissioned officer (NCO) / noncomissioned officer
non commissioned officer in command (NCOIC)
command senior chief petty officer
command post officer
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
general officer