Two U.S. Air Force and two Royal Australian Air Force F-35A Lightning II’s assigned to the 61st Fighter Squadron at Luke Air Force Base, Arizona, break formation during a commemoration flight Oct. 8, 2020, over Bagdad, Arizona. The flight celebrated the partnership between the RAAF and U.S. Air Force in their joint efforts in training the world’s most capable fighter pilots at Luke AFB. The flight marked the final sortie between the two nations before Luke AFB’s Australian partners depart back home. (U.S. Air Force photo by Staff Sgt. Alexander Cook)