Senior Airman Shawn Pham, 421st Aircraft Maintenance Unit crew chief, inspects an F-35A Lightning II fighter jet during Astral Knight 2019 on June 5, 2019, at Aviano Air Base, Italy. The F-35A is the U.S. Air Force’s latest fifth-generation fighter that complements the air superiority of other fourth and fifth-generation aircrafts. (U.S. Air Force photo by Tech. Sgt. Jim Araos)