Eilson Air Force Base issued the following announcement on March 9.
U.S. Air Force Col. William Fecke, the 354th Medical Group commander, passes the 354th Medical Support Squadron guidon Lt. Col. Tracy Brannock-Bennett, 354th MDSS commander, during an assumption of command ceremony at Eielson Air Force Base, Alaska, March 6, 2020. The passing of the guidon symbolizes the official assumption of command. (U.S. Air Force photo by Airman 1st Class Aaron Larue Guerrisky)
Original source can be found here.
Source: Eilson Air Force Base