commanding artillery officer

general officer commanding, Royal Artillery

commanding officer (CO)

general officer commanding

officer commanding (ОС)

commanding officer's position finder

immediate commander (commanding officer)

commanding officer of troops

Officer Commanding (OC)

field officer (field-grade officer / senior officer)

commanding

commanding feature

commanding general

commanding ground

commanding point

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

artillery airplane engineer officer

artillery liaison officer

artillery forward observation officer

main artillery (major caliber artillery)

artillery and rocket artillery

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)