Signing In USS Arizona survivor Navy veteran Howard Kenton Potts signs the guestbook at the Pentagon, July 17, 2017. Potts is one of five known living survivors of the Arizona, which was sunk during the Japanese attack on Pearl Harbor, Dec. 7, 1941. DoD photo by EJ Hersom SHARE: Download: Full Size (2.44 MB) Credit: EJ Hersom VIRIN: 170721-D-DB155-006.JPG Photo Gallery