US Air Force (USAF) STAFF Sergeant (SSGT) Messina Wilkins (left) and USAF Technical Sergeant (TSGT) Rawn Nilsen, 148th Fighter Wing, Minnesota Air National Guard (ANG), sit near a campfire as they volunteer during sled dog racers at the Pike Lake Crossing remote communication base. The Guardsmen are checkpoint volunteers for the annual 400-mile John Beargrease Sled Dog Marathon held along the North Shore of Lake Superior, Minnesota (MN)