Images: Iditarod check
Photo by Petty Officer 1st Class David Mosley
KNIK, Alaska - Coast Guard sponsored Iditarod musher Ken Anderson runs his sled dog team through the Alaska woodlands while exercising his dogs and maintaining their conditioning and preparation for the Iditarod Trail Sled Dog Race Feb. 29, 2012.
The Coast Guard is sponsoring Anderson, in his 12th 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