Sled dog each year, but after the 1995 events, it was decided to hold them every two years, which facilitated the bidding process and enabled the host organization more time for preparation. Togo was the lead sled dog of Leonhard Seppala and his dog sled team in the 1925 serum run to Nome across central and northern Alaska. Balto was the lead dog of the sled dog team that carried the diphtheria serum on the last leg of the relay to Nome during the 1925 diphtheria epidemic. He was driven by musher Gunnar Kaasen, who worked for Leonhard Seppala. Seppala had also
Sirius Dog Sled Patrol Sirius Dog Sled Patrol The Sirius Dog Sled Patrol (), known informally as "Siriuspatruljen" (the Sirius Patrol) and formerly known as "North-East Greenland Sledge Patrol" and "Resolute Dog Sled Patrol", is an elite Danish naval unit. It conducts long-range reconnaissance patrolling, and enforces Danish sovereignty in the Arctic wilderness of northern and eastern Greenland, an area that includes the largest national park in the world. Patrolling is usually done in pairs, sometimes for four months and often without additional human contact. The Sirius Patrol has the ability to engage militarily, and has done so historically. Its purpose is to maintain