Russia’s S-500 missile system still in development but the 77N6 hypersonic missiles are key to a real ballistic missile defense
Russian media in April reported that S-500 prototypes were “expected to enter service in late 2016 or 2017” as a replacement to the S-300. U.S. observers say the S-500 have not yet been deployed and doubt Russia can stick to that timeline. “I have seen nothing to indicate that the S-500 air/missile defense system has …