U.S. Air Force Airman 1st Class Michael Williams, a communications navigation technician with the 728th Air Mobility Squadron, prepares to begin preflight checks on a C-17 Globemaster III aircraft Jan. 28, 2014, at the Transit Center at Manas, Kyrgyzstan.
(DoD photo by Senior Airman George Goslin, U.S. Air Force/Released). Original public domain image from Flickr