TOKYO – Capt. Mark J. McCadden relieved Capt. John Koster during a change of command ceremony presided over by Rear Adm. Charles W. Ray at Coast Guard Activities Far East (FEACT) on Yokota Air Force Base, Wednesday. McCadden replaces Koster as the commanding officer of FEACT, a component command of U.S. Forces Japan. Koster retired after 31 years of service. As the commanding officer, Koster led...