James Francis Cameron is a Canadian filmmaker. Best known for making science fiction and epic films, he first gained recognition for directing The Terminator. He found further success with Aliens, The Abyss, Terminator 2: Judgment Day, and the action comedy True Lies. He also directed Titanic and Avatar, with Titanic earning him Academy Awards in Best Picture, Best Director and Best Film Editing. Avatar, filmed in 3D technology, earned him nominations in the same categories. Cameron co-founded the production companies Lightstorm Entertainment, Digital Domain, and Earthship Productions. In addition to filmmaking, he is a National Geographic sea explorer and has produced many documentaries on the subject, including Ghosts of the Abyss and Aliens of the Deep. Cameron has also contributed to underwater filming and remote vehicle technologies and helped create the digital 3D Fusion Camera System.