Marine Corps Detachment change of command
U.S. Marine Corps Lt. Col. Thomas Coyle, left, incoming Marine Corps Detachment commanding officer, receives the Marine flag from Lt. Col. Arturo Derryberry, outgoing MCD commanding officer during the MCD change of command at Goodfellow Air Force Base, Texas, June 24, 2022. The exchanging of the flag physically represents the transfer of responsibility, authority and accountability from outgoing to incoming commanding officer. (U.S. Air Force photo by Airman 1st Class Zachary Heimbuch)