BARKSDALE AIR FORCE BASE, La. -- U.S. Air Force Col. Dennis Britten took command of the 307th Medical Squadron during a ceremony at Barksdale Air Force Base, Louisiana, September 7, 2019. Britten has served with the 307th MDS and it's predecessor, the 917th MDS, since 2006. Britten assumed command from Col. Louie Fehl, who led the unit for over two years.