Lt. Col. Abner Valenzuela, 436th Airlift Wing chaplain, performs an invocation during the 436th Comptroller Squadron change of command ceremony on Dover Air Force Base, Delaware, June 28, 2021. The ceremony saw outgoing commander, Maj. Kevin Byram, relinquish command to Lt. Col. Gretchen Lewis. (U.S. Air Force photo by Airman 1st Class Stephani Barge)