Here’s the latest I can share based on current public reporting up to May 2026.
-
Overview: The RS-28 Sarmat (NATO reporting name SS‑X‑29/SS‑X‑30), often called Satan II, is Russia’s heavy, silo-based ICBM designed to carry multiple nuclear warheads and potentially use maneuverable or unconventional flight profiles to complicate defenses. It has been described as entering phased deployment, with initial regiments from the late 2020s onward, though exact numbers and timing can vary by source.[2][3]
-
Deployment status: Public Russian and Western press in 2025–2026 reports indicated that elements of the Sarmat system were reaching combat readiness and that deployment was proceeding in stages, including silo modernization, crew training, and updated alert procedures. Independent observers note that even with official statements, the process has experienced delays and gradual rollout rather than immediate blanket deployment.[1][2]
-
Recent tests and imagery: There have been ongoing test launches and new video footage released by official or state-connected channels in 2025–2026, illustrating continued testing and public messaging around the system’s capabilities and strategic deterrence role. Analysis from defense think tanks like CSIS has framed Sarmat as a key element of Russia’s modernization program, with emphasis on its potential to circumvent defenses and its strategic signaling value.[3][4]
-
Capabilities and features: The Sarmat is designed to deliver large payloads, potentially across a wide range, and to leverage flight profiles that complicate interception, including ballistic paths and possible use of advanced countermeasures. Reports also highlight a substantial range (tens of thousands of kilometers) and the ability to deploy a mix of warheads; however, independent verification of certain performance figures remains limited.[4][2]
-
Public context and implications: The deployment trajectory of Sarmat is frequently presented in the media as part of Russia’s broader nuclear modernization, with implications for strategic stability and deterrence dynamics among major powers, including the United States and NATO. Analysts caution that operational readiness and full multi-regiment deployment could span several years, and that military and political signaling is a significant part of the narrative around Sarmat.[2][4]
If you’d like, I can:
- Pull the latest specific headlines from the last 1–2 weeks and summarize what each claims about deployment status, numbers, and any new test data.
- Create a concise timeline of key Sarmat milestones from 2022 to 2026 with sources.
- Compare RS-28 Sarmat to earlier Russian ICBMs (e.g., SS-18 / Satan) in terms of payload, range, and deployment role.
Would you prefer a brief timeline or a side-by-side capability comparison? I can also fetch the latest verified headlines if you want the most current specifics. Citations:.[3][4][2]
Sources
The RS-28 Sarmat is a liquid-fueled intercontinental ballistic missile currently under development by Russia. Sarmat Development Designed to replace Russia’s aging SS-18 Satan ICBM, the RS-28 Sarmat began development some time in the 2000s. After awarding production contracts to Makeyev Design Bureau and NPOMash in early 2011, Russia concluded research and development of the Sarmat...
missilethreat.csis.orgRussia released new footage of the RS-28 Sarmat missile test as Vladimir Putin praised the next-generation nuclear weapon capable of overcoming advanced missile
english.pravda.ruRS-28 Sarmat is a liquid-fueled intercontinental ballistic missile developed by Russia.
vajiramandravi.comShipment news, latest incidents with RS-28 Sarmat. For in-depth coverage, RT provides special reports, video, audio and photo galleries
www.rt.comAccording to The Moscow Times, Putin confirmed the RS-28 Sarmat ICBM missile will soon be deployed, marking a key phase in Russia’s nuclear modernization.
www.armyrecognition.com