Deepsea Challenger
Craft
Deepsea Challenger is a 7.3-metre deep-diving submersible designed to reach the bottom of the Challenger Deep, the deepest-known point on Earth. On 26 March 2012, Canadian film director James Cameron piloted the craft to accomplish this goal in... Wikipedia
Builder: Acheron Project Pty Ltd
Launched: January 26, 2012
In service: 2012
Installed power: Electric motor
Length: 7.3 m (24 ft)
Speed: 3 knots (5.6 km/h; 3.5 mph)