A U.S. Air Force F-22A Raptor flies through clouds during the 2021 Defenders of Liberty Air & Space Show at Barksdale Air Force Base, Louisiana, May 9, 2021. The F-22A, a fifth-generation fighter incorporating fourth-generation stealth aircraft, has the ability to fly at supersonic speed without afterburners. (U.S. Air Force photo by Airman 1st Class Jon)