The United States' National Aeronautics and Space Administration (Nasa) wrapped up its last flight in Operation IceBridge's 2017 Arctic campaign on May 12 with a series of pictures, including this one of a fjord in southern Greenland.
The IceBridge mission, which started in 2009, is the largest airborne survey of the Earth's polar ice, said Nasa.
This year's Arctic campaign involved 39 eight-hour flights over the course of 10 weeks.
Footage from the campaign reveals breathtaking views of the rugged fjords of Svalbard and a seemingly endless expanse of sea ice en route to the North Pole, as the craft explored the Eurasian half of the Arctic Basin for the first time, reported The Daily Mail.
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Mr Nathan Kurtz, IceBridge's project scientist, said: "Geographically, we covered a wider area than ever before, and the new instruments we deployed during this campaign have given us denser and more accurate measurements."
The IceBridge survey has yielded an unprecedented 3D view of the Arctic and Antarctic ice sheets, ice shelves and sea ice, which allows researchers to study the rapidly changing features of the Greenland and Antarctic ice.