LANGLEY AIR FORCE BASE, Va – Joint Base Langley-Eustis runners take off at the start of a 9/11 memorial run Sept. 10, 2010. 633d Civil Engineer Squadron hosted the run in memoriam of the 55 military personnel that gave their lives on Sept. 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)