陽春丸

Chogei Shinsoku Mikaho Yoshun(ja:陽春丸) Kasuga Chiyodagata (1863), Japan's first domestically built steam warship. Hiryū(ja:飛龍丸) Teibo Ryūjō (1864) Unyo Nisshin

Kasuga Maru (春日丸, Vernal Sun) was a Japanese wooden paddle steamer warship of the Bakumatsu and early Meiji period, serving with the navy of Satsuma Domain

Chōgei Maru (長鯨丸, Long Whale) was a passenger gunship active during Japan's Boshin War. Chōgei Maru was originally designed and built in Glasgow, and

domestically-built steam warship (Japan's first steamship was the Unkōmaru (雲行丸) built by the fief of Satsuma in 1855). She was a 3rd class wooden gunboat

Kankō Maru (観光丸, Vision) was Japan's first steam-powered warship. It was presented to the Tokugawa shogunate ruling Japan during the Bakumatsu period