In 1975 the F15 flew to a record altitude of 103,000ft?? Is that right? Can all F fighters fly that high? The SR 71 has a Max ceiling of only 85,000ft.
If this is true the f-15 is more of a spaceship than a fighter.
https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/197972/mcdonnell-douglas-f-15-streak-eagle/