Example image of eyePlorer eyePlorer map for 'HMS Challenger (1858)': Corvette Royal Navy Steam Fiji Mexico Missionary Veracruz, Veracruz Challenger expedition Alcohol Dredging Microscope Sediment Thermometer Trawling Hemp Complement Coast guard Harwich Royal Naval Reserve Chatham Dockyard Copper River Medway Figurehead (object) National Oceanography Centre, Southampton Space Shuttle Challenger HMS Challenger Léopold de Folin John Maclear Challenger Society for Marine Science Glomar Challenger Pelham Aldrich William Carmichael McIntosh Challenger Deep Edgar Albert Smith History of research ships December 21 Inaccessible Island Maclear's Rat Research vessel Charles Wyville Thomson Manganese nodule List of people on stamps of Australia Maritime history of the United Kingdom