LANGLEY AIR FORCE BASE, Va – Joint Base Langley-Eustis runners take off at the start of a 9/11 memorial run Sept. 10, 2010. The 633d Civil Engineer Squadron hosted the run in memoriam of the 55 military personnel that gave their lives on 9/11. Ten teams, each consisting of 11 people, ran a total of 550 miles with each member running a five-mile loop. (U.S. Air Force photo/Senior Airman Jonathan Muller)(RELEASED)