Russia’s ‘Mach 2.8’ MiG-31 Foxhound Might Be Putin’s Unreplaceable Warplane

Russia’s MiG-31 remains pivotal thanks to rugged steel/titanium airframes, periodic depot overhauls, and major upgrades. Variants like MiG-31BM add Zaslon-M radar and R-37M shots; MiG-31K carries the Kh-47M2 Kinzhal, turning a Cold War interceptor into a long-range strike host.With Mach 2.8 speed, big sensors, and heavy missile loads, the MiG-31 fills a niche Russia can’t readily replace, evidenced by recent NATO-border incidents.

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