| RS-28 (Sarmat)|
|Type||Superheavy Intercontinental ballistic missile|
|Place of origin||Russia|
|In service||2022 (planned)|
|Used by||Strategic Rocket Forces|
|Designer||Makeyev Rocket Design Bureau|
|Manufacturer||KrasMash, Zlatoust MZ, NPO Energomash, NPO Mashinostroyeniya, KBKhA|
|Warhead||10–15 MIRVs |
Unspecified number of Avangard HGVs
|Engine||First stage: PDU-99 (RD-274 derived)|
|~18,000 kilometres (11,000 mi)|
|Maximum speed||Mach 20.7|
|Inertial guidance, GLONASS, Astro-inertial|
The RS-28 Sarmat (Russian: РС-28 Сармат, named after the Sarmatians; NATO reporting name: SS-X-29 or SS-X-30), sometimes colloquially known in the West as the "Satan II", is a Russian liquid-fueled, MIRV-equipped super-heavy intercontinental ballistic missile (ICBM) under development by the Makeyev Rocket Design Bureau since 2009. It is intended to replace the R-36M ICBM (SS-18 'Satan') in Russia's arsenal.
The Sarmat is one of the six new Russian strategic weapons unveiled by Russian president Vladimir Putin on 1 March 2018. The RS-28 Sarmat made its first test flight on 20 April 2022, and the Russian government expects the missile to enter service later in the year.
In February 2014, a Russian military official announced the Sarmat was expected to be ready for deployment around 2020. In May 2014 another official source suggested that the program was being accelerated, and that it would, in his opinion, constitute up to 100 percent of Russia's fixed land-based nuclear arsenal by 2021.
On 10 August 2016, Russia successfully tested the RS-28's first-stage engine named PDU-99.
In early 2017, prototype missiles had been reportedly built and delivered to Plesetsk Cosmodrome for trials, but the test program was delayed to re-check key hardware components before initial launch.
In early 2017, according to the commander of the Russian Strategic Forces Col. Gen. Sergei Karakayev, the RS-28 Sarmat would be deployed with the 13th Red Banner Rocket Division of the 31st Missile Army at Dombarovsky Air Base, Orenburg Oblast, and with the 62nd Red Banner Rocket Division of the 33rd Guards Rocket Army at Uzhur, Krasnoyarsk Krai, replacing the previous R-36M ICBMs currently located there.
In late December 2017, the first successful launch test of the missile was carried out at the Plesetsk Cosmodrome in Arkhangelsk Oblast. According to the report, the missile flew several dozen kilometers and fell within the test range.
On 1 March 2018, Russian president Vladimir Putin, in his annual address to the Federal Assembly, said that "the active phase of tests" of the missile had begun. Shortly after, an anonymous military source was cited as saying that the 2007 information about the Sarmat missile had been leaked to the West deliberately. On 30 March 2018, the Russian Defence Ministry published a video showing the Sarmat performing its second successful test-launch at the Plesetsk Cosmodrome.
On 24 December 2019, during the exhibition of the modern weapon systems at the National Defense Management Center, it was reported that Sarmat is capable of a "35,000 km sub-orbital flight". The trials of the "missile complex" were expected to be completed in 2021, and, during the 2020–2027 period, "twenty missile regiments are planned to be rearmed with the RS-28".
On 20 April 2022, according to the Russian Defense Ministry:
"At 15:12 Moscow time at the Plesetsk state test cosmodrome in the Arkhangelsk region, a Sarmat fixed-based intercontinental ballistic missile was successfully launched from a silo launcher."— Russian Defense Ministry
The RS-28 Sarmat will be capable of carrying about 10 tonnes of payload for either up to 10 heavy or 15 light MIRV warheads, an unspecified number of Avangard hypersonic glide vehicles (HGVs) or a combination of warheads and several countermeasures against anti-ballistic missile systems. The Russian Ministry of Defense said that the missile is Russia's response to the U.S. Prompt Global Strike system.
Sarmat has a short boost phase, which shortens the interval when it can be tracked by satellites with infrared sensors, such as the U.S. Space-Based Infrared System, making it more difficult to intercept. It is speculated that the Sarmat could fly a trajectory over the South Pole, completely immune to any current missile defense system, and that it has the Fractional Orbital Bombardment (FOBS) capability.
According to various sources, RS-28's launch sites are to be equipped with the "Mozyr" active protection system, designed to negate a potential adversary's first strike advantage by discharging a cloud of metal arrows or balls kinetically destroying incoming bombs, cruise missiles and ICBM warheads at altitudes of up to 6 km.
- RS-24 Yars
- RS-26 Rubezh
- R-36 (missile)
- RT-2PM Topol
- RT-2PM2 Topol-M
- LGM-30 Minuteman
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|Wikimedia Commons has media related to RS-28 Sarmat.|
- "The advent of a new Russian nuclear weapon". 18 November 2019.