170925-N-FJ200-028 WASHINGTON (Sept. 25, 2018) Chief of Naval Operations Adm. John Richardson inspects a .38 M1889 Colt Navy revolver recovered from the wreck of the USS Maine (ACR-1) while learning of its historical importance from Museum Specialist Jennie Ashton, during a tour of the armory spaces of Naval History and Heritage Command. The sinking of USS Maine and loss of 266 Sailors in Havana Harbor, Cuba, on February 15, 1898, served as a catalyst for the Spanish-American War. (U.S. Navy photo by Mass Communication Specialist 1st Class Clifford L. H. Davis/Released)