@CNN: Russia’s Defense Ministry says it has successfully tested one of the “invincible” missiles that President Vladimir Putin said could deliver a warhead at hypersonic speed and pierce US defenses https://t.co/ZaSuh8nuBd https://t.co/33nutzFN75

@CNN: Russia’s Defense Ministry says it has successfully tested one of the “invincible” missiles that President Vladimir Putin said could deliver a warhead at hypersonic speed and pierce US defenses https://t.co/ZaSuh8nuBd https://t.co/33nutzFN75