U.S. sailors assigned to the Naval Air Station Whidbey Island color guard participate in a Pearl Harbor remembrance ceremony at the station in Oak Harbor, Wash., Dec. 6, 2013. The morning of Dec. 7, 1941, Japanese bombers staged a surprise attack on U.S. military forces in Hawaii. The day after the attack, before a joint session of Congress, President Franklin D. Roosevelt asked for a declaration of war against Japan and the U.S. officially entered World War II. (U.S. Navy photo by Mass Communication Specialist 1st Class Joan E. Jennings/Released)