A 33rd Fighter Wing F-35A Lightning II takes off April 28, 2021, at Eglin Air Force Base, Florida. The F-35A engine produces 43,000 pounds of thrust and consists of a three-stage fan, a six-stage compressor, an annular combustor, a single-stage high-pressure turbine and a two-stage low-pressure turbine. (U.S. Air Force photo by Senior Airman Heather LeVeille)