Summer exploration: downhill mountain biking
Airman 1st Class Brad Hoffler, 90th Missile Security Forces Squadron, rides a mountain biking trail on Mount Werner in the Routt National Forest, Colo., Aug. 29, 2015. Hoffler and 18 other riders from F.E. Warren Air Force Base participated in an Outdoor Recreation trip which took them to a downhill mountain bike park. (U.S. Air Force photo by Lan Kim)