The story of the 'unsinkable' Titanic that plunged into the Atlantic in 1912 has fascinated researchers for years, but now new details have emerged about the 1985 discovery of the wreckage.
It's been revealed that the exhibition that led to the discovery of the ship was a cover for a top-secret mission to explore two submarines that sank during the Cold War.
The details of the mission are laid out in a new exhibit 'Titanic: The Untold Story' that opened Wednesday at the National Geographic Museum in Washington DC.
It features never-before-exhibited expedition memorabilia and artifacts from the bottom of the ocean floor, survivors and lifeboats including sheet music from the band playing as the ship sank and the only known set of boarding tickets.
'Titanic: The Untold Story' exhibition opened this week at the National Geographic Museum in Washington DC
The sheet music from the band playing as the ship sank. All eight musicians hired to play on the Titanic died in the tragedy
This deck chair from the Carpathia is the only known chair left in existence is on display until January 6, 2019
A postcard of the RMS Titanic as it made its maiden voyage from Southampton to New York in 1912
The expedition was led by oceanographer Robert Ballard in the North Atlantic in 1985.
However, the historic dive only took place after Ballard invented a new technology - an deep-sea camera that gave explorers unprecedented access to the ocean floor.
Ballard was approached by the US Navy to use his technology to explore the wreckage of two Cold War nuclear submarines, the USS Thresher and the USS Scorpion.
'I suggested that because the Titanic was between the Thresher and Scorpion, maybe tell the world I am looking for the Titanic,' Ballard said.
The naval chief gave Ballard and his team the green light saying, 'if you do your mission, I