On October 17 at Kawasaki dense Industries shipyard in Kobe, a Raigei submarine was launched ("the thundering whale"). It is the 4th Taigei-type unit ("great whale") intended for the nipponese Marine Self-defense Force. Taigei-type units (or 29SS) are a improvement of the predecessors, the Sōryū series, in peculiar the last pair...
