SABUROSUKE NAKAJIMA was Feudal era police of magistrate's office in Uraga, middle of 1800's. At the time in Japan, the strainger country ships threatened the security of Edo. The role of Uraga magistrate's office was checking every ship which was to sail to Edo. So, there were many works of commission business in Uraga.
It's famous that
he'd constructed Ho-o-Maru the first western ship in Japan at the Uraga dock. Then, he researched the shipbuilding technology of Susquehanna.
The LAST SAMURAI of Uraga, SABUROSUKE NAKAJIMA, was martyrdom in Hakodate to save the Goryokaku against the new Goverment Force after Tokugawa's shogunate Taiseihoukan(1867).