Keywords: DF-ST-92-05936 (5375287629).jpg U S Air Force ground crew members perform maintenance on an engine of a U S Air Force B-52G Stratofortress aircraft during Operation Desert Shield https //www flickr com/photos/usairforce/5375287629/ DF-ST-92-05936 2011-01-21 11 16 https //www flickr com/people/39513508 N06 US Air Force from USA PD-USGov Official U S Air Force https //flickr com/photos/39513508 N06/5375287629 2016-12-15 00 55 33 United States Government Work Files from the U S Air Force Flickr stream Files uploaded by Reguyla United States Air Force |