Wreck of the RMS Titanic Many schemes have been proposed to raise "Titanic," including filling the wreck with ping-pong balls, injecting it with 180,000 tons of Vaseline, or using half a million tons of liquid nitrogen to encase it in an iceberg that would float to the surface. However, the wreck is too fragile to be raised and is now protected by a UNESCO convention. Almost immediately after "Titanic" sank on 15 April 1912, proposals were advanced to salvage her from her resting place in the North Atlantic Ocean, despite her exact location and condition being unknown. The families of several wealthy victims of the
Wreck of the RMS Titanic but have been consumed by other organisms. "Titanic" sank in 1912, when she collided with an iceberg during her maiden voyage. Numerous expeditions tried using sonar to map the sea bed in the hope of finding it, but were unsuccessful. In 1985, the wreck was finally located by a joint French–American expedition led by Jean-Louis Michel of IFREMER and Robert Ballard of the Woods Hole Oceanographic Institution. The wreck has been the focus of intense interest and has been visited by numerous expeditions. Controversial salvage operations have recovered thousands of items, which have been conserved and put on public display.