Aichi Atsuta
…transported and launched from a large submarine was ordered by the IJN in the spring of 1942 as the 17-Shi Special Attack Bomber. That aircraft became the Aichi M6A Seiran (Shisei-Seiran), along with its M6A1-K Ninzan (Shisei-Seiran Kai) land-based trainer version. Four preproduction M6A aircraft were completed, a…