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The Russian RS-28 Sarmat intercontinental ballistic missile is set to enter the final stage of its flight test program in 2026, a precursor to its formal acceptance into service with the Strategic Missile Forces, starting with deployment in Uzhur, Krasnoyarsk region. Developed to replace the aging R-36M2 Voevoda, the Sarmat maintains the existing silo infrastructure and enhances capabilities with improved propulsion, guidance, and payload flexibility.

Development is managed by the Makeyev Rocket Design Bureau, with propulsion by NPO Energomash. The flight test campaign has included both successful and unsuccessful launches, with the first successful test on April 20, 2022.

Completion of the testing program is expected by 2026, aiming to enhance the missile's survivability and penetration capabilities against modern missile defense systems. The RS-28 can carry multiple warheads and hypersonic glide vehicles, with a maximum range of approximately 18,000 kilometers.