Lifeboats of the RMS Titanic returned to the White Star Line at New York Harbor, as they were the only items of value salvaged from the shipwreck, but subsequently vanished from history over time. "Titanic" had 20 lifeboats of three different types: The main lifeboats and cutters were built by Harland and Wolff at Queen's Island, Belfast at the same time that "Titanic" and her sister ship were constructed. They were designed for maximum seaworthiness, with a double-ended design (effectively having two bows). This reduced the risk that they would be flooded by a following sea (i.e. having waves breaking over the stern). If a
Wreck of the RMS Titanic Geographic" documentary of Ballard's 1986 expedition had inspired him to write a synopsis in 1987 of what eventually became the film: "Do story with bookends of present day scene of wreck using submersibles intercut with memories of a survivor and re-created scenes of the night of the sinking. A crucible of human values under stress." Cameron's expedition did not salvage anything from the ship. The 2000 expedition by RMS Titanic Inc. carried out 28 dives during which over 800 artefacts were recovered, including the ship's engine telegraphs, perfume vials and watertight door gears. In 2001, an American couple – David