160616-D-PB383-766 ANNAPOLIS, Md. (June 16, 2016) Navy Adm. Mark E. Ferguson III, passes through sideboys in Bancroft Hall at the U.S. Naval Academy, during his retirement ceremony. Ferguson most recently commanded U.S. Naval Forces Europe and U.S. Naval Forces Africa and is retiring after 38 years of service in the U.S. Navy. Marine Gen. Joseph F. Dunford, Jr., chairman of the Joint Chiefs of Staff, served as the presiding officer of the ceremony. (Dept. of Defense photo by Petty Officer 2nd Class Dominique A. Pineiro/Released)