Commissioned Ranks

Commissions cover the Officer ranks from Second Lieutenant to Colonel. Officers have substantial responsibilities and oversee large parts of the unit command. They have authority to take executive actions on behalf of the Commanding Officer. Grade Prefix Rank Requirements O-1 2Lt Second Lieutenant Appointed to ORGCOC in a staff position; Personnel Officer Operations Officer Training Officer Service Officer Executive Officer Commanding Officer O-2 1Lt First Lieutenant 12 months CATIG as Second Lieutenant Lieutenant12 months with GCIG 18 months without GCIG O-3 Capt Captain 14 months CATIG as First Lieutenant or; Lieutenant14 months with GCIG Appointed 20 months without GCIG ORAppointed to ORGCOC in a staff position; Commanding position;Commanding Officer Executive Officer Unit size exceeding 60 ATF O-4 Maj Major 12 months CATIG as Captain and Captain12 months with GCIG Unit 18 months without GCIG ANDUnit size exceeding 100 ATF O-5 LtCol Lieutenant Colonel 14 months (or 20 without GCIG) CATIG as Major and Unit size exceeding 180 ATF or; 28 months CATIG (or 34 months without GCIG) as Major and Unit size exceeding 120 ATF O-6 Col Colonel 14 months CATIG as Major (or 20 without GCIG) and Unit size exceeding 250 ATF or; 28 months CATIG as Lieutenant Colonel (or 34 without GCIG) and Unit size exceeding 180 ATF