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
Linois's expedition to the Indian Ocean was ordered to the South Atlantic. Discovering on 24 December that the French squadrons had broken out of Brest, Barham despatched two squadrons in pursuit, led by Rear-Admiral Sir Richard Strachan and Rear-Admiral Sir John Borlase Warren. A third squadron detached from the blockade of Cadiz without orders, under its commander Rear-Admiral Sir John Thomas Duckworth, all three British forces cruising the mid-Atlantic in search of the French. Following a brief encounter with Willaumez, Duckworth sailed to the Caribbean and there discovered and destroyed Leissegues' squadron at the Battle of San Domingo in February 1806. With one of the French