That was a specialty pre-production version of the F15 that was modified to do basically just altitude and speed records. It never entered operational service.

That was a specialty pre-production version of the F15 that was modified to do basically just altitude and speed records. It never entered operational service. https://theaviationgeekclub.com/how-the-f-15-streak-eagle-broke-eight-time-to-climb-world-records/ https://theaviationgeekclub.com/how-the-f-15-streak-eagle-br...