Zircon hypersonic missile launched from nuclear submarine for the first time - YouTube

K-560 Severodvinsk / kuleshovoleg.livejournal.com

Гиперзвуковую ракету «Циркон» впервые запустили с атомной подлодки - YouTube: 

The Russian Navy tested the Zircon hypersonic missile from a nuclear submarine for the first time, the launch was carried out from the Severodvinsk nuclear submarine, the Russian Defense Ministry said. The tests were found to be successful.

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