Tech Sgt. Ryan Allan, 9th Aircraft Maintenance Squadron crew chief, performs a pre-flight inlet inspection of a U-2 Dragon Lady at Joint Base Elmendorf-Richardson, Alaska, May 8, 2017. Northern Edge is a joint training exercise that involves over 200 fixed-wing aircraft. (U.S. Air Force photo/Staff Sgt. Jeffrey Schultze)

Download Image: Full Size (1.05 MB)
Photo by: Staff Sgt. Jeffrey M. Schultze |  VIRIN: 170508-F-GU448-011.JPG