Russia's Hypersonic Sniper That Can Blind the US Military

The MiG-31 Foxhound is not a fighter in the traditional sense. It is a flying, stratospheric surface-to-air missile site built to patrol the desolate Arctic frontier. Constructed from heavy nickel-steel, this machine is designed to withstand extreme kinetic heating that would liquefy standard aircraft. Its massive internal radar creates a permanent, wide-area net capable of tracking targets from hundreds of miles away. Is this brute-force approach to aerial dominance a failed relic or genius?