Wreck of the RMS Titanic D. Michael Harris and Jack Grimm had failed to find "Titanic" but their expeditions did succeed in producing fairly detailed mapping of the area in which the ship had sunk. It was clear that the position given in "Titanic"s distress signals was inaccurate, which was a major expedition difficulty because it increased the search area's already-expansive size. Despite the failure of his 1977 expedition, Robert Ballard had not given up hope and devised new technologies and a new search strategy to tackle the problem. The new technology was a system called "Argo / Jason". This consisted of a remotely controlled
Wreck of the RMS Titanic sponsors of the 1987 expedition, returned to the wreck with "Nautile" and the ROV "Robin" in June 1993. Over the course of fifteen days, "Nautile" made fifteen dives lasting between eight and twelve hours. Another 800 artefacts were recovered during the expedition including a two-tonne piece of a reciprocating engine, a lifeboat davit and the steam whistle from the ship's forward funnel. In 1993, 1994, 1996, 1998 and 2000, RMS Titanic Inc. carried out an intensive series of dives that led to the recovery of over 4,000 items in the first two expeditions alone. The 1996 expedition controversially attempted to