A U.S. Air Force crew chief with the 376th Expeditionary Aircraft Maintenance Squadron guides a KC-135 Stratotanker aircraft after the last combat refueling mission over Afghanistan at the Transit Center at Manas, Kyrgyzstan, Feb. 24, 2014.
(DoD photo by Staff Sgt. Travis Edwards, U.S. Air Force/Released). Original public domain image from Flickr