Successful or not, if Russia is test flying these weapons, this means it has been repeatedly crashing nuclear reactors into the ground or the ocean.
Source: thedrive.com
The animation, which Putin presented as part of the Russian president’s annual state-of-the-union-style address, features five weapons. The Samrat intercontinental ballistic missile, the Project 4202 hypersonic glide vehicle, a long-range torpedo and the Kinzhal air-to-surface missile have all been in development for years. And the United States is developing, or already possesses, rough analogues to each.
Source: vice.com