Capt. Jamie Turner swims in Charleston, S.C., Sept. 15, 2010, in preparation for the Ironman World Championship. Captain Turner is training to swim 2.4-miles through ocean waves, bike 112 miles and run a 26.2-mile marathon through challenging lava-covered terrain. During her peak training, she will swim more than 10,000 meters. Selected as one of 1,800 Ironman World Championship competitors, she will test her endurance in one of the top athletic challenges the sports world has to offer. Captain Turner is a pilot with the 315th Airlift Wing. (U.S. Air Force photo/James M. Bowman)