UK military jamming other nations' satellites to defend itself, BBC told

The United Kingdom has officially entered a new era of orbital defense, confirming that its military has been actively jamming and blocking foreign satellites to protect sensitive national interests. This revelation coincides with the formal launch of the Royal Air Force’s No. III Space Effects Squadron, a specialized unit tasked with countering hostile threats in the space domain. As global powers increasingly treat the vacuum of space as a critical theater of conflict, the UK is shifting from a posture of passive observation to one of active deterrence.

A New Frontier of Electronic Warfare

For the past year, the British military has quietly deployed ground-based electronic warfare systems designed to disrupt the capabilities of adversarial satellites. Defense sources indicate that these systems have already been utilized to deter hostile actors, specifically targeting assets that might attempt to track the movements of the UK’s nuclear-armed submarine fleet or sensitive special forces operations. By employing non-kinetic measures, the UK aims to deny adversaries the ability to monitor British military maneuvers without escalating to physical destruction.

The newly formed No. III Space Effects Squadron will serve as the operational arm for these defensive efforts. While existing units like the No. I and No. II Space Squadrons focus on monitoring and warning of orbital threats, the new squadron is explicitly mandated to "disrupt, degrade and deny" hostile actions. This evolution marks a significant shift in British defense policy, moving beyond mere situational awareness toward a proactive capability to neutralize threats before they can compromise national security.

The Growing Vulnerability of Modern Life

The urgency behind this military buildup stems from the UK’s profound reliance on space-based infrastructure for daily civilian and economic functions. During the inaugural UK Space Power Conference, Defence Secretary Wes Streeting emphasized that the nation’s dependency on satellites—ranging from banking apps and mobile communications to energy grids and weather forecasting—makes them prime targets for adversaries. He noted that the loss of GPS services alone could cost the UK economy approximately £1.4 billion per day, highlighting the catastrophic potential of a space-based disruption.

Our dependency on space is precisely why it is increasingly under threat from our adversaries. We depend on them for everything from weather forecasts, energy supplies, and financial transactions to sat-navs, mobile phone connections, and Amazon deliveries. The loss of everyday conveniences would undermine our daily freedoms, and trust in our institutions.

The geopolitical landscape in orbit is increasingly mirroring the tensions found on Earth, with the UK government citing a rise in the scale, speed, and sophistication of threats. Officials have previously reported that Russian ground-based systems attempt to jam British satellites on a weekly basis. In response, the government has pledged over £274 million toward "space domain awareness" to better track objects, debris, and potential threats in the orbital environment.

Global Implications and the Space Arms Race

The UK’s move to formalize its space defense capabilities follows similar escalations by other major powers. The United States recently confirmed the deployment of an unspecified space-based weapon intended to protect its own satellite constellation, a move that drew sharp condemnation from both China and Russia. These developments have sparked international concern regarding a burgeoning arms race in space, as nations scramble to secure their orbital assets against increasingly aggressive electronic and kinetic interference.

Despite the growing tension, the UK maintains that its actions are strictly defensive in nature, aimed at preserving the integrity of its communications and navigation networks. The secrecy surrounding the specific technologies and basing of the No. III Space Effects Squadron underscores the sensitive nature of this new domain. As the "space domain" becomes a permanent fixture of military strategy, the UK is signaling that it is prepared to defend its interests in the final frontier with the same rigor it applies to land, sea, and air.