The fourth Challenger was to have been an 18-gun corvette of 810 tons; the ship was ordered from Chatham Dockyard in 1845, but cancelled in 1848.
The fifth Challenger was a screw corvette launched in 1858, converted to a survey ship in 1872 in preparation for her famous voyage, hulked in 1880, and sold in 1921. The research ship Glomar Challenger and the Space Shuttle Challenger were named after this ship.
The eighth Challenger, the RN's first purpose built ship for support of saturation diving missions, was launched in 1981 and sold in 1993.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship referred you to this page, you may wish to change the link to point directly to the intended ship article, if one exists.