colonel
The colonel is a military class below the brigadier, above the colonel. In the army, it mainly takes charge of the chiefs of the army, and in the navy, it serves as a captain or chief of a large warship such as a battleship, an aircraft carrier, and a cruiser. In the Air Force, they usually serve as chief commanders. The captain of the ROK military is three bamboo flowers. In the case of the ROK Armed Forces, this class is classified as a senior bureaucrat of the military, and even if it fails to advance to the military, it can become a full member of the Colonel's Association and participate in defense issues.