Airman 1st Class Davis Smith, with the 809th Expeditionary Red Horse Squadron, 1st Expeditionary Red Horse Group, carries a guide used in airfield construction Sept. 9, 2009, at Forward Operating Base Dwyer, Afghanistan. Airman Smith is a vehicle operator for the airfield construction on FOB Dwyer that will allow C-17 Globemaster III's to deliver cargo and personnel directly to the FOB. (U.S. Air Force photo/Staff Sgt. Shawn Weismiller)