U.S. Air Force Col. Dennis Britten, 307th Medical Squadron commander, speaks during the 307th MDS change of command ceremony at Barksdale Air Force Base, Louisiana, September 7, 2019. Britten, who took command of the 307th MDS during the ceremony, thanked his family for thier support as he entered his new role. The Virginia native first enlisted in the Air Force before earning a medical degree and gaining a commission. (U.S. Air Force photo by Senior Airman Maxwell Daigle)