U.S. Air Force Senior Airman Kimara Duncan, 94th Aircraft Maintenance Unit tactile aircraft maintainer, pulls an oil cart across the flight line during routine maintenance on an F-22 Raptor at Langley Air Force Base, Va., Sept. 25, 2012. As a young Airman just starting technical training, Duncan was excited to learn she would be trained to work on the most technologically advanced fighter jet in the world. (U.S. Air Force photo by Senior Airman Racheal Watson/Released)