USS Helena (CL-50), December 1941. Image shows the torpedo damage received on December 7, 1941, during the Japanese raid on Pearl Harbor. Specifically shown is between frames 69.5 and 80.5 starboard side below armor belt. Note that the bilge keel is split along line of rivets. Photographed at Pearl Harbor Navy Yard, Pearl Harbor, Territory of Hawaii, December 13, 1941. Official Bureau of Ships Photograph, now in the collections of the National Archives. (2015/2/18).