Col. Mark Harris, 437th Maintenance Group incoming commander salutes his new Airmen during a change of command ceremony at Joint Base Charleston, S.C., June 16, 2017. Harris came to Charleston after serving as chief of staff for the deputy chief of staff of Strategic Plans, Programs and Requirements at the Pentagon, Washington, D.C.

Col. Brian Peters, (right) 437th Maintenance Group outgoing commander, passes the guideon to Col. Jimmy Canlas, (left) 437th Airlift Wing commander, officially relinquishing his position during a change of command ceremony at Joint Base Charleston, S.C., June 9, 2017. Peters assumed command of the 437th MXG in 2014.

Col. Jimmy Canlas, (left) 437th Airlift Wing commander, passes the guideon to Col. Mark Harris, (right) 437th Maintenance Group incoming commander, signifying the official change of command at Joint Base Charleston, S.C., June 16, 2017. Harris came to Charleston after serving as chief of staff for the deputy chief of staff of Strategic Plans, Programs and Requirements at the Pentagon, Washington, D.C.