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 M2 military rifle round and also civilian hollow-points. The patrolmen feel that the M2 military round is best against aggressive polar bears at long range, but that the hollow-points are better against an enraged musk ox. Typically, the patrolmen arrange their stripper clips so every third round is a hollow-point. The patrol formerly used "Pistol M/49" sidearms chambered in 9×19mm Parabellum, but they proved insufficient against the polar bears encountered. 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",