Denmark is responsible for the defense of Greenland. To serve this role over such a vast and harsh land, the Royal Danish Navy maintains Sirius, the only special forces unit in the world that travels primarily by dogsled. Photographer Fritz Hoffman joined one team on its patrol into the frozen wilderness, snapping pictures of the amazing men and dogs who keep the peace there. You can view several more at the link.
Link -via Marilyn Terrell | Fritz Hoffman's Website