Patel has faced scrutiny over his leadership for the past year, with his use of government resources emerging as a recurring storyline of his tenure.
Following Donald Stratton's death, Lou Conter and Ken Potts remain the last living members of the Arizona's crew.
Lou Contor, 1 of 3 Pearl Harbor survivors, arrived with a hero's welcome: A wall of sailors saluted the 98-year-old veteran, who returned to pay respect to his fallen comrades.
An active duty U.S. sailor whose submarine was docked at Pearl Harbor opened fire on three civilian employees Wednesday, killing two.
An Illinois sailor killed in the 1941 attack on Pearl Harbor has been laid to rest with full military honors.