On recovery , he enlisted in the Satsuma Navy .
On recovery , he present at all of the major naval engagements associated with the Boshin War to overthrow the Tokugawa Shogunate , as commander of the Satsuma warship Kasuga .
On recovery , he enlisted in the Satsuma Navy , and present at all of the major naval engagements associated with the Boshin War to overthrow the Tokugawa Shogunate , as commander of the Satsuma warship Kasuga .