160613-N-AT895-487 NORFOLK (June 13, 2016) Chief of Naval Operations (CNO) Adm. John Richardson is the presiding officer for Adm. Bill Gortney's retirement on board USS George Washington (CVN 73). Gortney most recently commanded North American Aerospace Defense Command and U.S. Northern Command and is retiring after 39 years of service in the U.S. Navy. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)