In this video grab provided by RU-RTR Russian television via AP television on Thursday, March 1, 2018, a Russian MiG-31 fighter jet carrying the new Kinzhal hypersonic missile flies at an undisclosed location in Russia. President Vladimir Putin declared Thursday that Russia has developed a range of new nuclear weapons, claiming they can't be intercepted by enemy. (RU-RTR Russian Television via AP)
Zdroj:
TASR
