Coast Guard sponsored Iditarod musher Ken Anderson waves to race fans as he departs the Iditarod restart point in Willow, Alaska, March 3, 2013.
The Coast Guard is sponsoring Anderson a 12-year Iditarod Trail Sled Dog Race veteran during his 13th running of the Iditarod, which is known as "The last great race on Earth." (U.S. Coast Guard photo by Petty Officer 1st Class David Mosley)