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
Raise the Titanic (film) North Atlantic in a state of advanced corrosion, rendering the film's premise erroneous and impossible. A 10-tonne scale model was also built for the scene where the "Titanic" is raised to the surface. Costing $7 million, the model initially proved too large for any existing water tank. This problem led to one of the world's first horizon tanks being constructed at the Mediterranean Film Studios near Kalkara, Malta. The 10 million-gallon tank could create the illusion a ship was at sea. The "Titanic" model was raised more than 50 times until a satisfactory shot was acquired. Following the completion of