Marine Corps Gen. Joe Dunford, left, chairman of the Joint Chiefs of Staff, and Navy Adm. Mark E. Ferguson speak before Ferguson's retirement ceremony at the U.S. Naval Academy in Annapolis, Md., June 16, 2016. Ferguson most recently commanded U.S. Naval Forces Europe and U.S. Naval Forces Africa and is retiring after 38 years of service. Dunford served as the presiding officer of the ceremony. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro