Over 760 of these submarines were planned, and by August 1945,200 had been manufactured, most of them at the Yokosuka shipyard, but of the 200, only 115 were ready for use at the time of surrender.
Over 760 of these submarines were planned, and by August 1945,200 had been manufactured, most of them at the Yokosuka shipyard. Five hundred of these 5-man submarines were planned, but only 115 were completed at the time of surrender.