(publishes to additional subscribers) By Aram Roston and David Gauthier-Villars WASHINGTON (Reuters) – Since Russia annexed Crimea in 2014, American companies have been prohibited from dealing with MMZ Avangard, a state-owned firm that makes missiles for one of Russia’s most sophisticated weapons, the S-400 air-defense system. In a measure of Western concern about the S-400, the United States ejected Turkey, a NATO member, from a joint fighter jet program in 2019 after Ankara took delivery of the Russian system. But even as the United States was taking actions to blunt MMZ Avangard’s business,…
