Trump has threatened to attack a member state of NATO. Greenland is an autonomous territory of the Kingdom of Denmark.

A group of European countries, led by Britain and Germany, is discussing plans to boost their military presence in Greenland to show U.S. President Donald Trump that the continent is serious about Arctic security,

Leaders of key European countries, together with Denmark, have expressed a joint position on the future of Greenland following renewed claims on the island by US President Donald Trump.

Denmark, along with six NATO countries, issued a joint statement on Greenland, calling for respect for "sovereignty, territorial integrity and the inviolability of borders" after renewed calls from the US for an American takeover of Greenland.

Patria, Finland's biggest defense contractor, is scaling up production as it deals with an order backlog of over 1,000 vehicles from NATO allies.

The Trump administration has repeatedly said the U.S. should be in control of Greenland, which is part of Denmark and NATO.

It’s not for peaceful purposes,” U,S, Air Force Gen. Alexus Grynkewich said. “They’re not studying the seals and the polar bears."