Lt. Col. Bastien assumption of command

Lt. Col. Costau "Coz" Bastien, commander, 403rd Force Support Squadron, speaks during an assumption of command ceremony in the Sablich Center auditorium at Keesler Air Force Base, Miss. July 10, 2021. Col. Reggie Trujillo, commander, 403rd Mission Support Group presided over the ceremony. (U.S. Air Force photo by Tech. Sgt. Michael Farrar)