An unidentified defense industry source told TASS that the first RS-28 Sarmat intercontinental ballistic missile (ICBM) prototype is in the final stages of development and will be ready by end of this year.
By Clay Gilliland from Chandler, U.S.A. (Russian SS-18 Satan) [CC BY-SA 2.0], via Wikimedia Commons
The same source said the first test is expected early next year.
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