Retired Col. Tim Tarchick, the presiding official, left, and Col. Larry E. Tyer Jr., 94th Airlift Wing inspector general, pose with Tyer's certificate of retirement at Dobbins Air Reserve Base, Ga. Sept. 10, 2017. He officially retires on Oct. 1, 2017 after 30 years of service - 25 of which were spent here at Dobbins. (U.S. Air Force photo/Senior Airman Justin Clayvon)