E-155PA "FoxBat - A"
interceptor
In the mid-60s, the Mikoyan design bureau designed an upgraded E-155PA interceptor intended to intercept high-speed aerial targets flying at a speed of 3,500-4,000 km/h within the 100 m-30,000 m altitude range. The aircraft was supposed to be powered by two R15BV-300 high-altitude engines and feature a new weapons suite with the Smerch-100 radar (the predecessor of the MiG-31's Zaslon radar), as well as new R-100 long-range air-to-air missiles. The E-155PA was to have an increased speed of 3,700-4,000 km/h at high altitude. Owing to the change of requirements, the E-155PA programme was terminated.
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