Will we ever be able to build a fighter jet like the MIG-31 Firefox?

firefox pretty outlandish concept. focus centered on creating unmanned ships fighters work. last u.s. fighter pilot has been born, taking human factor out of dogfight huge plus in several regards. now, fighters have designed & powered keep flight characteristics within range not overstress human body. technology there make them far more maneuverable human never withstand forces. it's understanding f-22 flirts line equipped function in case of imminent shoot down, bird execute such advanced avoidance maneuver briefly exceeds 8 or 9 g's of force , knocks pilot out. computers fly plane until pilot regains consciousness. take risk of human life out of airplane & can revolutionize air combat levels thought impossible.

in novel , movie aircraft fly @ mach 5, had range of 3000 miles, undetectable radar , had thought controlled weapons system. how close building such aircraft or impossible?

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