Airmen keep aircraft on schedule

Airmen from the 379th Expeditionary Aircraft Maintenance Squadron, 746th Expeditionary Aircraft Maintenance Unit propulsion flight, position an engine stand into place during an engine swap at the 379th Air Expeditionary Wing, Southwest Asia, Dec. 11, 2013. The engine was swapped out in 12 hours and the aircraft was ready to fly on schedule. (U.S. Air Force photo/Master Sgt. David Miller)