Question: MiG Pilot: The Final Escape of Lieutenant Belenko is a 1980 biography by John Barron about the life and 1976 defection of which Soviet Mikoyan-Gurevich MiG-25 fighter pilot, who defected to the West while flying his MiG-25 'Foxbat' jet fighter and landed in Hakodate, in which country?
Sentence (from "Mikhail Gurevich (aircraft designer)"): The main focus in designing the aircraft were on high speed, fast ascent, and high flight altitude.
Relevant evidence: No