F-15EX undergoes first operational test mission at Nellis AFB
Three F-15C Eagle fighter jets assigned to the 123rd Fighter Squadron, Portland Air National Guard Base, Oregon, and both of the Air Force’s F-15EX aircraft from the 53rd Wing, Eglin Air Force Base, Florida, wait to take off for a mission at Nellis Air Force Base, Nevada, Oct. 20, 2021. The aircraft will conduct the Initial Operational Test and Evaluation from Oct. 18-25, 2021 (U.S. Air Force photo by William R. Lewis)