Man on Ice - Humphrey Hawksley

Captain Rake Ozenna of the elite Eskimo Scouts unit and his fiancee, trauma surgeon Carrie Walker, are at his remote home island in the Bering Strait when Russian helicopters swarm in. As news breaks of a possible invasion, Ozenna realizes that the only way to save his Alaskan island community is to undertake a perilous mission across the ice.