The scenario for the NATO military exercise in the arctic circle has been similar for years now: Norway is attacked by a fictional country, triggering the alliance’s collective defense clause, and leading to troops from the US and more than a dozen partners coming to the defense of the country. However, this year, the biannual exercise, known as Cold Response, has taken on an added significance for some of the roughly 3,000 US Marines taking part in it because of Russia’s invasion of Ukraine. US Corporal Sean Galigan, a 21-year marine from New Jersey who is focusing on refueling aircraft ...