Crew chiefs install pins on an A-10C Thunderbolt II, Jan. 11, 2011, at Kandahar Airfield, Afghanistan. The 75th Expeditionary Fighter Squadron recently moved their assets to the other side of the flightline, marking the first of many moves toward consolidating the wing's missions. The crew chiefs are assigned to the 451st Expeditionary Aircraft Maintenance Squadron. (U.S. Air Force photo/Senior Airman Willard E. Grande II)