Russia's and America's New Stealth Fighters Share This Big Problem

While the PAK-FA will likely be a formidable warplane, it is uncertain how many fully operation jets Russia will be able buy even after it completes engine development work for the T-50. Russia has completed the first phase of government flight-testing for its Sukhoi T-50 PAK-FA fifth-generation fighter. Sukhoi is expected to complete developmental work on an initial operational version of the new stealth fighter in 2019, but the current iteration of the jet will only see a limited production run.

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