counterbattery officer

counterbattery intelligence officer

field officer (field-grade officer / senior officer)

AN/TPQ (Army-Navy [Marines] Transportable Position finder [radar] Q [counterbattery])

counterbattery information

counterbattery journal

counterbattery log

counterbattery message

counterbattery staff

counterbattery target record form

counterbattery work

counterbattery fire

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)