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Space Force Chief Warns: Electronic Warfare Threatens Satellites

3/25/2026

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Summary

Story summary

U.S. Space Force Chief Master Sergeant Ron Lerch warned at a March 23 briefing that electronic warfare threatens U.S. space systems.
He cited high-power microwaves as an example capable of disrupting low-Earth orbit satellite constellations.
Lerch said China leads space operations with about 1,300 active spacecraft, versus Russia's 343.
He warned a space-based nuclear detonation could affect roughly one-third of satellites, depending on design.

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Story summary

U.S. Space Force Chief Master Sergeant Ron Lerch warned at a March 23 briefing that electronic warfare threatens U.S. space systems.
He cited high-power microwaves as an example capable of disrupting low-Earth orbit satellite constellations.
Lerch said China leads space operations with about 1,300 active spacecraft, versus Russia's 343.
He warned a space-based nuclear detonation could affect roughly one-third of satellites, depending on design.