In 1944, Japan, which was outnumbered in the war against the United States, used a secret strategy centered on new air forces to turn the tide. The Japanese Navy's new four-engine bombers and twin-engine fighters attack the US Navy, which challenges the Battle of the Marianas. This was only a prelude to anguish for the US military. Starting with the 6-engine giant heavy bomber, the phantom wings mark a new history of the US-Japan war.