Five F-35A Lightning II fighter jets assigned to the 34th Fighter Squadron at Hill Air Force Base, Utah, sit on the flight line during Red Flag 21-1, at Nellis AFB, Nevada, Feb. 8, 2021. During Red Flag, joint partners and allies train together in high-end realistic scenarios, increasing interoperability across the force. (U.S. Air Force photo by Airman 1st Class Dwane R. Young)