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• 15:53, 7 April 2024 John Leach talk contribs deleted page B-70 Valkyrie (content was: "{{PropDel}}<br><br>{{subpages}} Built for the United States Air Force by North American, the '''B-70 Valkyrie''' (or '''XB-70''' when deemed purely experimental) was intended as the ultimate high-altitude penetrating heavy bomber, with Mach 3 speed. The Mach 2 B-58 Hustler was considered a transition from the subsonic B-47s and B-52s, but improved Soviet air defenses, however, led to limiting the B-58 and cancelling the B-70. Space to expand electronic warfare equipment was jud...")