Soviet Rocket Engineer Stanislav Us, Creator of Satan, Dies at 89

Soviet rocket engineer Stanislav Us, who played a key role in developing the strategic missile system R-36M, has died at the age of 89. The news was announced by former head of the press service of the state corporation Roscosmos, Dmitry Strugovets, on his Telegram channel. "Stanislav Ivanovich Us has passed away — the chief designer of the R-36M intercontinental ballistic missile and its modifications (RS-20, known in NATO classification as "Satan"), as well as the Dnepr conversion rocket,” Strugovets wrote. Career in Soviet Rocket Engineering From the late 1950s, Us worked at OKB-586, later known as the Yuzhnoye Design Bureau. In 1971, he became head of development for the R-36M system, which included a heavy intercontinental ballistic missile.