JAPAN CONSTRUCTS GIGANTIC I-400 SUB
Kure Navy Yard, Hiroshima Bay, Japan • April 25, 1943 Admiral Isoroku Yamamoto, commander of the Combined Fleet of the Imperial Japanese Navy and the architect of his country’s December 7, 1941, attack on the U.S. Pacific Fleet at Pearl Harbor, Hawaii, envisioned a different fleet of Japanese aircraft and ships for a second round of…