200421-F-SR682-0128
U.S. Air Force Staff Sgt. Christopher Mashek and Staff Sgt. Steven Krutke, both from the 356th Aircraft Maintenance Unit, perform post flight procedures on the squadron’s first assigned F-35A Lighting II fifth-generation fighter at Eielson Air Force Base, Alaska, April 21, 2020. With the arrival of the jets at Eielson, the U.S. Air Force joins the Royal Australian Air Force, the Japan Air Self-Defense Force, and the Republic of Korea Air Force as partner nations with F-35s permanently stationed in the Indo-Pacific region. (U.S. Air Force photo by Staff Sgt. Sean Martin)