Taking LEO Off the Board: Russian Thinking About Anti-Satellite Warfare

RealClearDefense | Aaron Stein

Russia's May 2026 test of the RS-28 Sarmat ICBM resurrected a Fractional Orbital Bombardment System approach to bypass northern-oriented American early-warning radars and counter modern space defenses like Golden Dome. Moscow views Western commercial constellations, including Starlink, Maxar, and Planet's Dove satellites, as primary reconnaissance targets that eliminate traditional military deception practices through synthetic aperture radar.

Historical anti-satellite programs such as Istrebitel Sputnik and Naryad established early doctrine for neutralizing United States early-warning capabilities during strategic nuclear escalation. Russian military planners are currently incentivized to bypass international treaty norms by deploying co-orbital nuclear anti-satellite weapons into high earth orbit to achieve a mass-kill capability across low earth orbit networks. The trajectory indicates an escalating counter-space posture where Russian nuclear doctrine explicitly integrates orbital bombardment platforms and high-altitude nuclear interceptors to blind defense architectures and assure strategic nuclear deterrence during high-intensity conflict.

Comment

Russian reliance on the RS-28 Sarmat as a fractional orbital bombardment vector demonstrates a doctrinal shift back towards prompt strike capabilities designed specifically to evade northern polar radar corridors. By pairing orbital delivery trajectories with high-altitude nuclear bursts, Soviet-era operational concepts are being repurposed to deny low-Earth orbit access entirely rather than target individual reconnaissance nodes. This integration transforms nuclear deterrence from a bilateral launch-and-response model into a spatial denial mechanism aimed directly at distributed commercial radar constellations.

Strategic Question for Discussion

If Russia deploys the RS-28 Sarmat within a fractional orbital framework to threaten low-Earth orbit constellations, which factor creates greater instability for Western early-warning architectures: the loss of polar radar tracking lead times or the sudden degradation of commercial synthetic aperture radar imagery?

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