Denmark secretly prepared to destroy Greenland runways in 2019 contingency amid U.S. seizure fears
In January 2019 Denmark airlifted troops, explosives, blood supplies and ammunition to Greenland under a secret contingency plan to deny access to the island's airfields if the U.S. tried to seize the territory. The plan envisaged destroying runways to prevent U.S. aircraft operations during President Trump's acquisition push.