U.S. Air Force Senior Airman Jonathan McClenny, Air Combat Command A3 weapons system administrator, hands water to retired Master Sgt. Kevin Barry at the 7-mile marker during the “Race ‘Round the Base” at Langley Air Force Base, Va., Dec. 10, 2011. Volunteers set up water stations to keep runners hydrated and motivate participants. (U.S. Air Force photo by Airman 1st Class Teresa Cleveland/Released)