 In 1810, three years later, he and his uncle had been recruited into Astor's Pacific Fur Company.Stuart was age 25 when he sailed aboard a Pacific Fur Company ship, the "Tonquin", on its voyage to the Falkland Islands.He held a pistol to the head of the ship's captain, Jonathan Thorn, when Thorn attempted to leave the Falkland Islands without Stuart's uncle David, another of Astor's partners.