Space & Aerospace — 2026-09-20

US Acknowledges On-Orbit Space Weapons as China Warns of Fresh Arms Race at Xiangshan Forum

BLUFWashington's shift from ambiguity to acknowledgment reframes space weaponization as accepted fact, giving Beijing diplomatic cover to accelerate its own counterspace programs openly.

US Air Force Secretary Troy Meink said on September 14 that the United States has "on-orbit space control weapons capable of defending the Joint Force against hostile adversary action," without identifying the systems or their locations 1. Space Force Chief Gen. Douglas Schiess subsequently stated that Guardians now operate on-orbit weapons capable of defending against space-enabled attacks 2. At the Xiangshan Forum in Beijing, Guo Xiaobing of the China Institutes of Contemporary International Relations said the disclosure broke a "longstanding taboo" against placing conventional weapons in orbit, while Almudena Azcarate Ortega of the Secure World Foundation told the forum the deployment does not violate the 1967 Outer Space Treaty, which bars nuclear weapons and weapons of mass destruction in orbit but not conventional systems 2. China's foreign ministry called on Washington to halt what it termed a military buildup in space and warned against turning space into a battlefield 2. The forum, held September 15-17 and marking the 20th anniversary of the Xiangshan Forum series, took place days before Xi Jinping's planned first state visit to Washington in over a decade, sharpening the diplomatic stakes of the dispute 2.

Analysis
The Meink and Schiess disclosures end years of deliberate ambiguity about US counterspace posture, converting theoretical capability into acknowledged fact without changing the legal baseline under the Outer Space Treaty, which bars nuclear and WMD systems in orbit but not conventional weapons. Beijing's "broken taboo" framing casts China as the aggrieved norm-defender while also serving to justify its own counterspace investments. Neither government has named the systems involved, so the practical military balance in orbit is unchanged even as the threshold for openly discussing space weapons has shifted. That shift lands days before Xi Jinping's Washington visit, giving both governments an opening to raise space security in bilateral talks.

2 sources

US space weapons move has 'broken taboo', could spark new arms race, Beijing forum told - South China Morning Post
China fears US deployment of space weapons raises risks of fresh arms race: Report - Interesting Engineering