Joint service members assigned to Goodfellow Air Force Base stand in formation for the 17th Training Wing change of command ceremony on Goodfellow Air Force Base, Texas, July 13, 2021. At the ceremony, Col. Matthew Reilman, incoming commander, assumed command from Col. Andres Nazario, 17th TRW outgoing commander. (U.S. Air Force photo by Senior Airman Abbey Rieves)