2/17/2012 - This plane handles distinguished visitor airlift around the world. Airman First Class Tracy Pullen, 932nd Maintenance Squadron crew chief, stands before a shining C-40C aircraft belonging to the Air Force Reserve Command unit at Scott Air Force Base, Ill. Among many duties, he works on scanning systems in the cockpit to check for faults and engine readiness before flights. "I love working on these planes," said Airman Pullen. (U.S. Air Force photo/Maj. Stan Paregien)