LANGLEY AIR FORCE BASE, Va. -- Lt. Col. Jeffery Ullman, 633d Civil Engineer Squadron Commander, bids farewell to his Airmen as they depart for a six month deployment to Afghanistan. More than 20 CE professionals will be 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)