The Royal Air Force has launched Britain’s first dedicated space-defence squadron, giving the Armed Forces a specialist unit tasked with countering hostile activity directed at UK satellites and other national interests in orbit.
No. III Space Effects Squadron was announced on Wednesday by the Chief of the Air Staff, Air Chief Marshal Sir Harv Smyth, at the first UK Space Power Conference. It will bring together specialist personnel from across the Armed Forces under the RAF-led UK Space Command.
The Ministry of Defence said the squadron would use advanced technology, including electronic-warfare capabilities, to “disrupt, degrade and deny” hostile actions in space. It is expected to support defensive and offensive space operations and to expand as further capabilities enter service.
Protecting services Britain relies upon
Satellites are central to far more than military communications. They support navigation used by ships and emergency services, mobile-phone data, weather forecasting, intelligence gathering and missile warning. Energy networks also depend upon satellite-based timing and navigation to help manage the electricity grid.
That dependence has made space an increasingly important area of national security. The Government’s new UK Space Strategy describes space as infrastructure of the present and says satellites underpin 18 per cent of UK GDP. It also warns that adversaries are investing in systems designed to interfere with the space-based services used by Britain and its allies.
No. III Squadron will therefore occupy a different role from the RAF’s two existing specialist space units. No. I Space Operations Squadron and No. II Space Warning Squadron provide the ability to monitor activity and warn of threats; the new squadron is intended to act against those threats.
Air Chief Marshal Sir Harv Smyth said space was no longer supporting military operations “from the sidelines”, but had become a domain of direct competition in which military advantage could be won or lost.
He said the squadron would safeguard the benefits space provides to the integrated Armed Forces while also being capable of denying those advantages to adversaries.
Part of a wider shift in defence policy
The announcement follows the publication of the UK Space Strategy earlier this month. The plan brings together defence, national-security and economic objectives and is backed by £7.8 billion of investment to 2030.
Ministers say the UK must be able to maintain freedom of action in, from and through space. The Defence Investment Plan envisages as many as six space squadrons as UK Space Command develops, with roles spanning surveillance, warning, deterrence and the protection of British interests.
Defence Secretary Wes Streeting said the country’s dependence on space meant the threat from adversaries was growing in scale, speed and sophistication. He argued that Britain’s deterrence in space must become as credible as its deterrence on Earth.
The MOD said the new unit would contribute to capabilities including electronic warfare and countermeasures against anti-satellite weapons. It did not, however, announce an operation against any named country, disclose an immediate hostile incident or provide detailed information about the squadron’s equipment.
The distinction matters. Wednesday’s announcement is the establishment of a military capability intended to deter and respond to threats, rather than confirmation that Britain is currently conducting offensive action in orbit.
A new front line
Recent conflicts have demonstrated how military forces rely upon satellites for communications, intelligence, targeting and command. At the same time, civilian life has become more exposed to any disruption of space-based infrastructure.
By creating a squadron able not only to observe danger but also to respond, the RAF is formalising a significant change in Britain’s defence posture. Space is now being treated as an operational domain alongside land, sea, air and cyber.
The unit’s formation does not remove the technical, legal or diplomatic challenges surrounding military activity in space. Its effectiveness will depend upon the capabilities it receives, how quickly specialist personnel can be developed and the degree of cooperation achieved with allies.
But the strategic signal is clear: the UK intends to protect the satellites on which its Armed Forces, public services, businesses and households increasingly depend — and to build the means to counter those who try to threaten them.
Sources
- Ministry of Defence: RAF launches first ever space squadron dedicated to defending Britain’s satellites (23 September 2026)
- UK Government: UK Space Strategy (updated 15 September 2026)
- Ministry of Defence: Defence Investment Plan (2026)