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
Crew of the RMS Titanic was on the "Titanic" for its maiden voyage. The restaurant was self-sufficient with its own cooks, waiters, cleanup crew, and other staff. Most of the employees were French or Italian nationals. Of the entire staff of 66 people, only one male clerk and two female cashiers survived. Several "Titanic" survivors indicated that the restaurant employees were locked in their quarters by the stewards to prevent them from rushing the lifeboats. It has never been confirmed whether this was true or not. The "Titanic"'s five postal clerks—two British, three American—were charged with the supervision and processing of all incoming and outgoing