Maj. Brian Gilliam, 341st Missile Security Operations Squadron outgoing commander, relinquishes command to Col. Frank Reyes, 341st Security Forces Group commander, during a change of command ceremony July 7, 2021, at Malmstrom Air Force Base, Mont. Previously the Security Forces Support Squadron, 341st MSOS was restructured and renamed in 2019 to include the tactical response force and convoy response force units. (U.S. Air Force photo by Lauren O’Connor)