National Geographic reveals compelling little-known stories about the secret weapons, ruthless tactics, and remarkable heroism of World War II. Witness the daring attempts of undercover Norwegian resistance fighters to destroy the Nazis' atomic bomb program. Relive the surprise air and underwater attack on America's battleships in Pearl Harbor. Find out why Kamikaze fighters—Japan's deadly weapons of destruction—would sacrifice themselves to destroy U.S. battleships and aircraft carriers. Discover the extraordinary individuals who risked their lives in UNTOLD STORIES OF WORLD WAR II.