Billionaire investor Ray Dalio and "Avatar" filmmaker James Cameron back the submarine company Triton Submersibles. The company offers submersibles that cost between $2.5 million and $40 million.

"Titanic" director James Cameron speaks out after the missing sub tragedy. He said he was "struck by the similarity" of the submersible to the Titanic disaster.

James Cameron had "no doubt" a catastrophic event had occurred after the Titan submersible lost contact. The Canadian filmmaker has made the dive to the Titanic 33 times.

James Cameron’s insights into the Titan ... He personally oversaw the design and construction of the $10m Deepsea Challenger submarine, ... Cameron was inside a submersible exploring ...

James Cameron has made it clear he wasn't impressed with OceanGate and their approach to building the Titan submersible, which imploded in tragic fashion last year. The US Navy, U ...