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
Wreck of the RMS Titanic one of "Titanic"s surviving crew members, who became the first relative of a "Titanic" passenger or crew member to visit the wreck. Cameron himself also returned to "Titanic" in 2001 to carry out filming for Walt Disney Pictures' "Ghosts of the Abyss", filmed in 3D. In 2003 and 2004, the US National Oceanic and Atmospheric Administration carried out two expeditions to "Titanic". The first, carried out between 22 June and 2 July 2003, performed four dives in two days. Its key aims were to assess the current condition of the wreck site and carry out scientific observations to support ongoing