Hirohitos Silent Hunters in Action. The Imperial Japanese Navy developed the submarine faster than any other country in the world As the author reveals, during the Second World War Japan deployed a number of unique submarines These included the Type B1 which carried a Yokosuka E14Y1 reconnaissance seaplane in a watertight capsule attached to the deck of the submarine The Japanese also developed the giant I-400 class submarines that carried three Sieran bombers Explores Japanese submarine operations in the Pacific, including the attacks on Pearl Harbor and Sydney Reveals how Japanese submarines participated in attacks on the
