, he was in fear for his life due to a drill which he believed was an actual imminent collision with an enemy vessel . A Defense Personal Records Information Retrieval System report in response to a request for a deck log review reflects the following information : " We reviewed the March - May 1976 deck logs for the USS Theodore Roosevelt . The deck logs reveal that the submarine was in a Guam dry - dock March 8 - 16 , 1976 and underway for Special Operations with limited deck logs entries during the periods March 27 - 30 , April 5 - 25 , May 2 - 8 , and May 10 - 31 , 1976 . The deck logs do not document a no