Advances in forensic science and technology as well as genealogical help from family members have made it possible to identify more remains of U.S. sailors and Marines killed at Pearl Harbor, officials said.

Among the relatives affected is Tom Gray, whose family has waited for more than 70 years to bring home the remains of his cousin.

Gray’s cousin, Edwin Hopkins, of Swanzey, New Hampshire, was a 19-year-old fireman third class on board the USS Oklahoma when the battleship was hit by torpedoes and capsized on Dec. 7, 1941. His remains weren’t identified and his family was told he was missing.

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