Iran just branded the Royal Navy and RAF terrorist groups
1 November 2026 · 1 November 2026Share
Royal Navy Queen Elizabeth-class aircraft carrier HMS Prince of Wales sails in formation with U.S. Navy ships during dual carrier operations in the Timor Sea as part of Talisman Sabre, July 18, 2025. File photo.Unknown author Unknown author · Public domain
Iran just declared the Royal Navy and the RAF terrorist organisations.
Iran's Foreign Ministry made the announcement a few hours ago. It also named Britain's Secret Intelligence Service, MI6, a hostile group.
The designations took effect the moment the statement went out.
So why now?
Well, this is a reply.
Britain designated Iran's Islamic Revolutionary Guard Corps a terrorist organisation about three and a half months ago. That was on 13 July, under the National Security (State Threats) Act 2026.
Anyone in Britain who supports or helps the IRGC now faces up to 14 years in prison.
Iran waited more than three months to answer. Now it has.
Here's how it did it. The Royal Navy and the RAF are designated under what Iran calls its law on countermeasures against the designation of the IRGC as a terrorist organisation. MI6 is designated separately, under Iran's law on espionage and cooperation with hostile countries.
Iran's Foreign Ministry says Britain quote "shall bear responsibility for the consequences".
That's Iran saying this is Britain's fault, not its own choice.
The ministry also says Britain broke the UN Charter. It points to national sovereignty, and the ban on unlawful measures against other states.
But here's the part that matters more than the label.
Iran says Britain took part in the US-Israeli war against Iran earlier this year. It says Britain let the US and Israel use military and logistical bases on British territory.
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Contains modified Copernicus Sentinel data or equivalent of Iran from the International Space Station during ISS Expedition 20. File photo. Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domain
So this is not just a tit-for-tat over a legal designation. It's a claim that Britain helped fight a war against Iran.
Iran says the whole move comes from a resolution of its Supreme National Security Council. The date of that resolution has not been given.
Now, what does any of this actually do?
Inside Iran, the designations carry legal weight. What they do to Britain, to British citizens, or to military operations abroad is not clear. No country outside Iran has to follow an Iranian government designation.
So this is mostly a political statement, dressed up as law.
But it is not nothing. Britain used exactly this kind of law, in exactly this way, against the IRGC in July. Now Iran has pointed the same tool back at two of Britain's armed services and its intelligence agency.
And here's the backdrop. When Britain designated the IRGC in July, its government said the IRGC's Quds Force had almost certainly directed attacks across Europe. It said MI5 had tracked at least 20 potentially lethal Iranian-backed plots in Britain in a single year.
A separate group linked to Iran, designated that same day, said it carried out seven attacks on Jewish, Israeli and Persian-language media targets in Britain. One was an arson attack on ambulances in Golders Green, north London, about seven months ago.
That is the backdrop Britain's designation was built on.
As of these reports, the British government has not issued an official response.
So three things are not known. Whether Britain will answer at all. Whether the designations have any real effect outside Iran. And whether this is Iran's final move, or the start of something bigger.
For now, two branches of Britain's armed forces and its foreign intelligence service carry a label Tehran gave them a few hours ago.
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