The F-15, F-16, and F/A-18 have all been continuously upgraded over time. Examples: https://www.defensenews.com/air/2024/04/12/air-force-to-get-f-15e-jet-with-

The F-15, F-16, and F/A-18 have all been continuously upgraded over time. Examples: https://www.defensenews.com/air/2024/04/12/air-force-to-get-f-15e-jet-with-fresh-electronic-warfare-tech-in-summer/ https://www.defensenews.com/air/2024/04/12/air-force-to-get-... https://theaviationist.com/2024/01/24/usaf-to-fly-f-16s-into-the-2040s/ https://theaviationist.com/2024/01/24/usaf-to-fly-f-16s-into... https://www.twz.com/litening-targeting-pod-tested-on-f-a-18-super-hornet-for-first-time https://www.twz.com/litening-targeting-pod-tested-on-f-a-18-...