6th Medical Support Squadron welcomes new commander Published June 15, 2020 By Senior Airman Shannon Bowman 6th Air Refueling Wing Public Affairs MACDILL AIR FORCE BASE, Fla. -- U.S. Air Force Lt. Col. Ann McManis assumed command of the 6th Medical Support Squadron from Lt. Col. Jon Ehrenfried, during a change of command ceremony at MacDill Air Force Base, Florida, June 11, 2020.