FILE - This April 1938 file photo shows the USS Oklahoma. The ship sank during the Dec. 7, 1941 attack on Pearl Harbor. Pearl Harbor survivors and World War II veterans are gathering in Hawaii this week to remember those killed in the Dec. 7, 1941 attack. Those attending will observe a moment of silence at 7:55 a.m., the minute the bombing began. The ceremony will mark the 80th anniversary of the attack that launched the U.S. into World War II. (AP Photo/File)