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How the F-22's F119 Engine Overcame Long-Standing Fighter Jet Engine Trade-Offs

The Lockheed Martin F-22 Raptor was built as a generational leap over the existing F-15 Eagle. The F-15 Eagle was designed as an air superiority fighter , but by the 1980s, the Air Force felt it might not have the "unfair" advantage that they wanted, as the Soviet Union developed the Su-27 and MiG-29. The F-22 was initially designed as a late Cold War effort to overmatch any fighter jets the Soviets could field.