U.S. Air Force Senior Airman Eric Pulse, 633rd Security Forces patrolman, leads the way during the Security Forces 9/11 Ruck March to Remember in Amherst, Va., Aug. 25, 2011. Airmen from 15 units across the Air Force march more than 2,181 miles in honor of the ten security forces Airmen who have lost their lives and more than 100 that have been injured during Operation Enduring Freedom. (U.S. Air Force photo by Airman 1st Class Racheal Watson/Released)