Change of Command
U.S. Air Force Col. Joseph Martin, 386th Expeditionary Mission Support Group commander, left, passes the 386th Expeditionary Civil Engineer Squadron guidon to Lt. Col. Chen Yen Su during a change of command ceremony June 11, 2013 at an undisclosed location in Southwest Asia. Lt. Col. Su assumed command of the 386th ECES from Lt. Col. Kyle Brown. (U.S. Air Force photo by Staff Sgt. Austin Knox)