Department of Defense Officer Steven Haymes jumps up a wall during a practice run on the obstacle course at the U.S. Air Force Academy, Colo., May 18, 2010. Officer Haymes is a Guardian Challenge 2010 competitor from the Space and Missile Systems Center's 61st Security Forces Squadron at Los Angeles Air Force Base. (Photo by Lou Hernandez)

Download Image: Full Size (2.38 MB)
Photo by: Lou Hernandez |  VIRIN: 100518-F-2428H-002.JPG