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Wreck of the Titanic

Shipwreck in the North Atlantic Ocean

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Through Seabed, Sonar and Cold War

The Titanic sank on 15 April 1912, after striking an iceberg during her maiden voyage. Numerous expeditions unsuccessfully tried using sonar to map the seabed in the hope of finding the wreckage. In 1985, the wreck was discovered by a joint French–American expedition led by Jean-Louis Michel of IFREMER and Robert Ballard of the Woods Hole Oceanographic Institution, which was made possible in part by support secured after successfully finding two nuclear Cold War submarines at the request of the US Navy. The wreck has been the focus of interest and has been visited by numerous tourist and scientific expeditions, including by the Titan, a submersible which imploded near the wreck in June 2023, killing all five aboard.

Controversial salvage operations have recovered thousands of items, many of which have been conserved and put on public display. Several schemes have been proposed to raise the wreck, including filling it 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. After more than 100 years on the ocean floor, the wreck is too fragile to be raised and is protected by a UNESCO convention.

Salvaging the Titanic

Almost immediately after the Titanic sank on 15 April 1912, proposals were advanced to salvage it from its resting place in the North Atlantic Ocean, despite her exact location and condition being unknown. The families of several wealthy victims of the disaster – the Guggenheims, Astors, and Wideners – formed a consortium and contracted the Merritt and Chapman Derrick and Wrecking Company to raise the Titanic. The project was soon abandoned as impractical as the divers could not even reach a significant fraction of the necessary depth, where the pressure is over 6,000 pounds per square inch (40 megapascals), about 400 standard atmospheres. The company considered dropping dynamite on the wreck to dislodge bodies, which would float to the surface, but finally gave up after oceanographers suggested that the extreme pressure would have compressed the bodies into gelatinous lumps. In fact, this was incorrect. Whale falls, a phenomenon not discovered until 1987 – coincidentally, by the same submersible used for the first crewed expedition to the Titanic the year before – demonstrate that water-filled corpses, in this case cetaceans, can sink to the bottom essentially intact. The high pressure and low temperature of the water would have prevented large quantities of gas from forming during decomposition, preventing the bodies of Titanic victims from rising back to the surface.

In later years, numerous proposals were put forward to salvage the Titanic. However, all fell afoul of practical and technological difficulties, a lack of funding, and, in many cases, a lack of understanding of the physical conditions at the wreck site. Charles Smith, a Denver architect, proposed in March 1914 to attach electromagnets to a submarine which would be irresistibly drawn to the wreck's steel hull. Having found its exact position, more electromagnets would be sent down from a fleet of barges, which would winch the Titanic to the surface. An estimated cost of US$1.5 million ($35.5 million today) and its impracticality meant that the idea was not implemented. Another proposal involved raising the Titanic by means of attaching balloons to her hull using electromagnets. Once enough balloons had been attached, the ship would float gently to the surface. Again, the idea got no further than the drawing board.

Salvage proposals in the 1960s and 1970s

In the mid-1960s, a hosiery worker from Baldock, England, named Douglas Woolley devised a plan to find the Titanic using a bathyscaphe and to raise the wreck by inflating nylon balloons attached to her hull. The declared objective was to "bring the wreck into Liverpool and convert it to a floating museum". The Titanic Salvage Company was established to manage the scheme, and a group of businessmen from West Berlin set up an entity called Titanic-Tresor to support it financially. The project collapsed when its proponents found they could not overcome the problem of how the balloons would be inflated in the first place. Calculations showed that it could take ten years to generate enough gas to overcome the water pressure.

A variety of proposals to salvage the ship were made during the 1970s. One called for 180,000 tons of molten wax (or alternatively, Vaseline) to be pumped into the Titanic, lifting her to the surface. Another proposal involved filling the Titanic with ping-pong balls, but overlooked the fact that the balls would be crushed by the pressure long before reaching the depth of the wreck. A similar idea involving the use of Benthos glass spheres, which could survive the pressure, was scuppered when the cost of the number of spheres required was put at over $238 million.

An unemployed haulage contractor from Walsall named Arthur Hickey proposed to encase the Titanic inside an iceberg, freezing the water around the wreck in a buoyant jacket of ice. Because ice is less dense than liquid water, it would float to the surface and could be towed to shore. The BOC Group calculated that this would require 500,000 tons of liquid nitrogen to be pumped down to the seabed. In his 1976 thriller Raise the Titanic!, author Clive Cussler's hero Dirk Pitt repairs the holes in the Titanic's hull, pumps it full of compressed air and succeeds in making it "leap out of the waves like a modern submarine blowing its ballast tanks", a scene depicted on the posters of the subsequent film of the book. Although this was an "artistically stimulating" highlight of the film, made using a 55-foot (17 m) model of the Titanic, it would not have been physically possible. At the time of the book's writing, it was still believed that the Titanic sank in one piece.

Robert Ballard of the Woods Hole Oceanographic Institution had long been interested in finding the Titanic. Despite early negotiations with potential backers being abandoned when it emerged that they wanted to turn the wreck into souvenir paperweights, more sympathetic backers joined Ballard to form a company, Seasonics International Ltd., to rediscover and explore the Titanic. In October 1977, he made his first attempt to find the ship with the aid of the Alcoa Corporation's deep-sea salvage vessel Seaprobe. This was essentially a drillship with sonar equipment and cameras attached to the end of the drilling pipe. It could lift objects from the seabed using a remote-controlled mechanical claw. The expedition ended in failure when the drilling pipe broke, sending 3,000 feet (900 m) of pipe and US$600,000 (equivalent to $3,187,809 in 2025) worth of electronics plunging to the sea bed.

In 1978, The Walt Disney Company and National Geographic magazine considered mounting a joint expedition to find the Titanic, using the aluminium submersible Aluminaut. The Titanic would have been well within the submersible's depth limits, but the plans were abandoned for financial reasons.

The next year, the British billionaire financier and tycoon Sir James Goldsmith set up Seawise & Titanic Salvage Ltd. with the involvement of underwater diving and photographic experts. His aim was to use the publicity of finding the Titanic to promote his newly established magazine, NOW!. An expedition to the North Atlantic was scheduled for 1980 but was cancelled due to financial difficulties. A year later, NOW! folded after 84 issues with Goldsmith incurring huge financial losses.

Fred Koehler, an electronics repairman from Coral Gables, Florida, sold his electronics shop to finance the completion of a two-man deep-sea submersible called Seacopter. He planned to dive to the Titanic, enter the hull, and retrieve a fabulous collection of diamonds rumoured to be contained in the purser's safe. However, he was unable to obtain financial backing for his planned expedition. Another proposal involved using a semi-submersible platform mounted with cranes, resting on two watertight supertankers, that would winch the wreck off the seabed and carry it to shore.

Jack Grimm's expeditions, 1980–1983

On 17 July 1980, an expedition sponsored by Texan oilman Jack Grimm set off from Port Everglades, Florida, in the research vessel H.J.W. Fay. Grimm had previously sponsored expeditions to find Noah's Ark, the Loch Ness Monster, Bigfoot, and the giant hole in the North Pole predicted by the pseudoscientific Hollow Earth hypothesis. To raise funds for his Titanic expedition, he obtained sponsorship from friends with whom he played poker, sold media rights through the William Morris Agency, commissioned a book, and engaged Orson Welles to narrate a documentary. He acquired scientific support from Columbia University by donating $330,000 to the Lamont–Doherty Geological Observatory for the purchase of a wide-sweep sonar, in exchange for five years' use of the equipment and the services of technicians to support it. Drs. William B. F. Ryan of Columbia University and Fred Spiess of Scripps Institution of Oceanography in California joined the expedition as consultants. The expedition was almost cancelled when Grimm asked them to use a monkey trained to point at a spot on the map to supposedly indicate where the Titanic was. The scientists issued an ultimatum: "It's either us or the monkey." Grimm preferred the monkey, but was prevailed upon to take the scientists instead.

Three weeks of surveying in almost continuous bad weather during July and August 1980 failed to find the Titanic. The problem was exacerbated by technological limitations; the Sea MARC sonar had a relatively low resolution and was new and untested. It was nearly lost only 36 hours after it was first deployed when the tail was ripped off during a sharp turn, destroying the magnetometer, vital for detecting the Titanic's hull. Nonetheless, it surveyed an area of some 500 square nautical miles (1,700 square kilometres) and identified 14 possible targets. A documentary of this expedition, Search for the Titanic, featuring Welles, was released in 1981.

Grimm mounted a second expedition in June 1981 aboard the research vessel Gyre, with Spiess and Ryan again joining. The team employed a much more capable sonar device, the Scripps Deep Tow. The weather was again poor, but all 14 of the targets were successfully covered and found to be natural features. On the last day of the expedition, an object resembling a propeller was found. Grimm announced on his return to Boston that the Titanic had been found, but the scientists declined to endorse his identification. The object was never seen again. A documentary of this expedition, Return to the Titanic, featuring James Drury, was released in 1981. It and the previous film were combined into a single production titled "In Search of Titanic" (1981).

In July 1983, Grimm joined Ryan aboard the research vessel Robert D. Conrad. Nothing was found, and bad weather brought an early end to the expedition. Although they did not know it, the Sea MARC had passed over the Titanic but failed to detect it, while Deep Tow had passed within 1+1⁄2 nautical miles (2 mi; 3 km) of the wreck.

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