Sputnik:

The 3M22 Zircon hypersonic cruise missile will undergo testing from aboard the K-560 Severodvinsk submarine, a source in the military industry has told Russian media.

The source did not mention a date when testing is expected to begin, but said it would take place once three-to-four more test launches from the Admiral Gorshkov frigate are completed. The test launch is expected to take place from an underwater firing position.

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