For more than 60 years, Sirius has been entrusted with patrolling northeast Greenland’s 8,699-mile coast. The 12-man team visits each inch of the cracked and ragged coastline at least once every five years, formally supporting Danish sovereignty under international conventions. Sirius is the world’s only military dogsled patrol.Read more here: http://www.huffingtonpost.com/2012/01/08/sirius-sledge-patrol-dogsleds-greenland_n_1191694.html