U.S. Air Force Staff Sgt. Ricardo Hill, 633rd Civil Engineer Squadron pavements and construction equipment operator, shows Jamelle Ransey, member of an Air Force Junior Reserve Officer Training Corps how to correctly operate a piece of heavy machinery during the AFJROTC shadow day at Langley Air Force Base, Va., June 25, 2013. Ransey got the opportunity to see and participate in jobs that the 633rd CE Squadron does around the base. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)