NASA scientists conducting surveys of arctic ice sheets in Greenland got an unprecedented view of an abandoned “city under the ice” built by the U.S. military during the Cold War.
During a scientific flight in April 2024, a NASA Gulfstream III aircraft flew over the Greenland Ice Sheet carrying radar instruments to map the depth of the ice sheet and the layers of bedrock below it. The images revealed a new view of Camp Century, a Cold War-era U.S. military base consisting of a series of tunnels carved directly into the ice sheet.
As it turns out, this abandoned “secret city” was the site of a secret Cold War project known as Project Iceworm which called for the construction of 2,500 miles (4,023 km) of tunnels that could be used to nuclear intermediate range ballistic missiles (IRBMs) at the Soviet Union.
“We were looking for the bed of the ice and out pops Camp Century. We didn’t know what it was at first,” said NASA’s Chad Greene, a cryospheric scientist at the agency’s Jet Propulsion Laboratory (JPL), in an agency statement. “In the new data, individual structures in the secret city are visible in a way that they’ve never been seen before.”
Construction on Camp Century began in 1959, but the base was abandoned in 1967 due to the costs and challenges of keeping the tunnels from collapsing in the ever-shifting ice sheet.
Project Iceworm sought to use Northern Greenland as a launch site due to its proximity to the Soviet Union and because of the remoteness of the location, according to the 2007 article “The Iceman that Never Came” published in The Scandinavian Journal of History. “The key concept was to deploy the missile force in ‘thousands of miles of cut-and-cover tunnels’, or rather covered trenches, whose floor would lie 28 feet beneath the surface,” the article states.
The trenches were designed for a type of modified Minuteman IRBM missile known as “Iceman” that would be able to withstand the pressures of launching through the ice sheet. Project Iceworm was ultimately canceled and abandoned along with Camp Century, but the echoes of this era of the Cold War still reverberate throughout the Greenland landscape today.
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