From the USS Arizona Memorial, symbol of the war’s beginning Dec. 7, 1941, Pearl Harbor Survivor Delton “Wally” Walling and Joan Bohl look out at the Battleship Missouri Memorial, symbol of the end of World War II in the Pacific. This year’s historic commemoration, “Sound the Alarm,” examines how thousands of Americans answered the call to duty in the wake of the attack. From Pearl Harbor and Midway, the U.S. Navy moved across the Pacific instruments of surrender were signed aboard USS Missouri (BB 63) Sept. 2, 1945. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nardel Gervacio/Released)