air force abbreviation for captain
CAPT. CAPT, or Capt., is the abbreviation for the rank of Captain in the United States Air Force. A Captain is a commissioned officer in the pay grade of O-3.Captains fall in the first tier of commissioned officers, also known as company grade officers.Captains may serve as commanders of small units or on the executive staff at group or wing level. Captain is a commissioned officer in the pay grade of O-3. Captains fall in the first tier of commissioned officers, also known as company grade officers. Captains may serve as commanders of small units or on the executive staff at group or wing level.