[US Marines Norway]REUTERS/Stoyan Nenov * Exercise Cold Response 2020 will see some 7,500 US troops team up with other NATO forces in Norway to practice for a clash with Russia in the high north. * The exercise reflects the growing military focus on the Arctic, where a potential conflict would have much larger geopolitical and nuclear dimensions. * Visit Business Insider's homepage for more stories. In early March, an estimated 7,500 American combat troops will travel to Norway to join thousands of soldiers from other NATO countries in a massive mock battle with imagined invading forces from Russia. In this futuristic simulated engagement — it goes by the name of Exercise Cold Response 2020 — allied forces will "conduct multinational joint exercises with a high-intensity combat scenario in demanding winter conditions," or so claims the Norwegian military anyway.SEE THE REST OF THE STORY AT BUSINESS INSIDERNOW WATCH: Arctic and Antarctic sea ice just hit record lows — here's what would happen if all the ice melted SEE ALSO: * The US and Greece held a live-fire military exercise at the foot of Mount Olympus * How the US's massive bombardment of Iwo Jima made it even tougher to capture the island from the Japanese * Pompeo says the West is winning. The rest of the West isn't so sure SEE ALSO: HOW THE US PRESIDENT BECAME A DRONE WARRIOR