F-16s to Serve Nearly Two More Decades, Replacement Choice Still 6-8 Years Away April 4, 2022 | By John A. Tirpak The Air Force will rely on the F-16 for the bulk of its low-end missions for nearly two more decades, deputy chief of staff for plans and programs Lt. Gen. David S. Nahom said. A decision on the sol-called MR-X which will replace the F-16 ...