Senior Airman David Flaten, a 811th Security Forces Squadron protective services member and professional cross-country mountain biker, trains June 18, 2014, at Joint Base Andrews, Md. Flaten is ranked 43rd of 250 according to USA Cycling, the official cycling organization responsible for identifying, training and selecting cyclists to represent the United States in international competition. (U.S. Air Force photo/Senior Airman Nesha Humes)