First F-15EX Arrives at Eglin; ACC Commander Kelly to Deliver 2nd Jet March 11, 2021 | By John A. Tirpak The first F-15EX landed at Eglin Air Force Base, Fla., March 11, a day after the Air Force officially took delivery of the jet. Air Combat Command boss Gen. Mark D. Kelly will deliver the second airplane to Eglin the week of April 6.