Alexey Zhuravlev cited the "well-proven" Kalibr cruise missile as another option, insisting no international treaties barred such transfers.

Putin said the small-scale nuclear technologies used in both the Burevestnik and the Poseidon were particularly useful for work in the Arctic and for space travel and, eventually, for building a station on the moon.

Russia said it tested a nuclear-powered cruise missile and torpedo, two of its experimental weapons, in recent days.

VLADIMIR Putin bragged about Russia’s new arsenal of terrifying nuclear weapons that he claims could help his country seize the moon. The tyrant last night boasted the capabilities of

China rejects Trump's claim to 60 Minutes about clandestine nuclear tests, as a senior official seeks to clarify the president's plans for U.S. tests.