170628-N-KS651-091 ARLINGTON, Va. (June 28, 2017) Acting Secretary of the Navy Sean J. Stackley delivers remarks during a memorial ceremony at the Pentagon honoring the seven Sailors assigned to the Arleigh Burke-class guided-missile destroyer USS Fitzgerald (DDG 62) who were killed in a collision at sea. (U.S. Navy photo by Mass Communication Specialist 1st Class Jason Behnke/Released)