The United States has confirmed that it has deployed weapons in Earth orbit, publicly acknowledging offensive space capabilities for the first time. The disclosure comes as Washington, Beijing and Moscow develop systems intended to protect, disrupt or attack satellites that support military communications, surveillance and navigation.

US Air Force Secretary Troy Meink said the weapons were necessary to monitor adversaries and defend the country against hostile action. Speaking at the Air, Space and Cyber Conference on Monday, he said the United States was preparing for evolving threats.

However, Meink did not explain what the weapon can do or when it was placed in orbit. US officials have also not provided details about how the system operates.

What is known about the system

A US Space Force spokesperson described space control as covering missions needed to compete in the space domain and gain control over it. Those missions can include disrupting, degrading and, when required, destroying an opponent’s capabilities.

The spokesperson said such capabilities could be used for both offensive and defensive purposes under the direction of combatant commands. The statement did not identify the weapon involved in the announcement.

Dr Bleddyn Bowen, an expert on the military use of space at the Royal United Services Institute, said very little information about the technology was publicly available. He said it could represent a broad range of weapons systems.

one possibility is an electronic warfare or radio-jamming platform. Such a system could interfere with radio communications, a capability that already exists in ground-based forms.

Another possibility is a kinetic-kill vehicle, which could launch a missile or collide with a satellite to destroy it. Bowen said that option was less likely because an attack of that kind could generate a large amount of debris.

China warns against a space arms race

China responded on Tuesday by warning against an arms race in space. A Chinese Foreign Ministry spokesperson called on the United States to stop expanding its military capabilities and preparing for warfare in space.

The warning adds to long-running tensions over the military use of orbit. Senior US military officials have previously said that Russia and China are developing ways to attack or disrupt American satellites in a future conflict.

The US Space Force says China develops and operates space and counterspace capabilities as part of its military modernisation strategy. It says Russia views space as a domain of warfare and considers dominance there a decisive factor in future conflicts.

Wider military role for the US Space Force

The Trump administration has said that space-based capabilities and interceptor missiles are important parts of its Golden Dome defence system, which is intended to protect the United States from missiles and other airborne threats.

Last year, President Donald Trump issued an executive order that expanded the description of the US Space Force beyond protecting American assets in space. The order also presented the force as having an attacking role.

The US Space Force was established in 2019. Its mission includes protecting American space assets, including hundreds of satellites used for communications and surveillance.

A 1967 treaty prohibits the deployment of weapons of mass destruction in Earth orbit. Major powers including the United States, Russia and China have continued developing other capabilities that fall outside that restriction, including systems that could target rival satellites.

Previous concerns over satellite attacks

Satellite security has become a larger concern since satellites became central to communications, surveillance and navigation. In February, reports emerged that 2 Russian satellites had possibly intercepted communications from at least a dozen European satellites since Russia’s attack on Ukraine in 2022.

The activity may have allowed Russian intelligence agencies to read sensitive data sent by those satellites or, in theory, take control of them. In 2024, the United States said Russia had launched a satellite that it believed might be capable of attacking other satellites. Russia did not publicly comment on that claim.

The latest US disclosure does not clarify whether the newly acknowledged weapon is designed to jam communications, interfere with another space system or physically destroy a satellite. It does, however, confirm that Washington regards offensive space capabilities as part of its broader defence planning.

Conclusion

The United States has acknowledged deploying an offensive space capability while withholding its technical details and deployment date. China’s response and the wider development of counterspace systems show that military competition in orbit is becoming a more prominent security issue.

Frequently Asked Questions

Q. What has the United States confirmed?

The US has confirmed that it deployed weapons in Earth orbit and acknowledged offensive space capabilities for the first time.

Q. What did Troy Meink say about the weapons?

The US Air Force secretary said they were needed to monitor adversaries and protect the country from hostile action.

Q. Does the US know what the weapon does?

US officials have not publicly explained its capabilities, operating method or deployment date.

Q. Could the system use radio jamming?

Dr Bleddyn Bowen said it could involve electronic warfare or a platform capable of jamming radio communications.

Q. Could it destroy satellites?

A kinetic-kill vehicle was identified as another possible option, although Bowen said it was less likely because it could create substantial debris.

Q. How has China responded?

China has warned against an arms race in space and urged the United States to stop expanding military capabilities and preparing for warfare in space.

Q. When was the US Space Force established?

The US Space Force was established in 2019 to protect American space assets, including satellites used for communications and surveillance.

Q. What does the 1967 treaty prohibit?

The treaty prohibits the deployment of weapons of mass destruction in Earth orbit. It does not prevent the development of every other type of space capability.