LANGLEY AIR FORCE BASE, Va. -- Master Sgt. Jason Elftmann, 633d Civil Engineer Squadron operations support superintendent, comforts his son, Trent, before departing on his six month deployment to Afghanistan. Sergeant Elftmann and more than 20 other CE professionals are part of the 877th Expeditionary Prime Base Engineer Emergency Force Squadron, tasked with the construction of forward operating bases for U.S. Central Command. (U.S. Air Force Photo/Staff Sgt. Christina M. Styer)