9RW/PA
Staff Sgt. Brad Wiebelhaus, 9th Aircraft Maintenance Squadron avionics technician, performs a pre-flight inspection of a U-2 Dragon Lady at Joint Base Elmendorf-Richardson, Alaska, May 8, 2017. The joint training exercise focused on interoperability and hosting approximately 6,000 service members, 200 fixed-wing aircraft and provides the Army, Navy, Air Force, Marines and Coast Guard with critical training. (U.S. Air Force photo/Staff Sgt. Jeffrey Schultze)