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
United States Senate inquiry into the sinking of the RMS Titanic efforts. More than 80 witnesses gave testimony or deposited affidavits. Subjects covered included the ice warnings received, the inadequate number of lifeboats, the handling of the ship and its speed, "Titanic"s distress calls, and the handling of the evacuation of the ship. The subcommittee's report was presented to the United States Senate on May 28, 1912. Its recommendations, along with those of the British inquiry that concluded a few months later, led to changes in safety practices following the disaster. The sinking of , a trans-Atlantic passenger liner owned and operated by the White Star Line, occurred in the early