Wreck of the RMS Titanic research. The stern section, which had previously received relatively little attention from explorers, was specifically targeted for analysis. The microbial colonies aboard "Titanic" were also a key focus of investigation. The second expedition, from 27 May – 12 June 2004, saw the return of Robert Ballard to "Titanic" nearly 20 years after he discovered it. The expedition spent 11 days on the wreck, carrying out high-resolution mapping using video and stereoscopic still images. 2005 saw two expeditions to the "Titanic". James Cameron returned for the third and last time to film "Last Mysteries of the Titanic". Another expedition searched for
Secrets of the Titanic The date is September 1, 1985, the search has been going on for 56 days when "Argo"'s camera shows wreckage, then one of "Titanic"s massive boilers. Then it follows Ballard in his exploration the next year, along with Martin Bowen, the pilot of the undersea robot, ROV Jason Jr., which was mounted in a "garage" on the front of the DSV "Alvin". Secrets of the Titanic Secrets of the Titanic is a documentary, made and filmed over 1985, 1986, and 1987. Produced by the National Geographic Society, it was a "National Geographic" Video exclusive, narrated by Martin Sheen, written and