Ross expedition In 1848, four months after his transfer to Devonport, he volunteered to join Sir
James Clark Ross on
his Arctic expedition to search for traces of Sir
John Franklin's missing
Northwest Passage expedition. Adams was aboard under Captain Edward Joseph Bird. They left in May 1848, but returned 18 months later without success.
Collinson expedition In January 1850, Adams left on another expedition to look for Franklin. This time he was aboard under Captain
Richard Collinson. They reached the
Bering Strait in August, and Adams was put ashore at
St. Michael, just north of the
Yukon delta, to investigate reports of possible survivors from Franklin's crew. He rejoined the
Enterprise in July 1851, sailing east below
Banks Island and
Victoria Island, and penetrating further east than any ship previously. They returned to England in 1855. == Sierra Leone ==