Britain’s role in the recent machinations of the US empire has been central, despite going underreported and little criticized. Britain has a significant hand in the ongoing US war of aggression against Iran and their recent invasion of Venezuela. Britain’s empire and overseas bases, and associated intelligence and surveillance capabilities, are cornerstones of its contribution to these ongoing wars. Just as Britain’s colonial bases in occupied Cyprus served an intelligence and surveillance role in the Gaza genocide, so to did they help surveil Iran and prepare intelligence in preparation for US attacks, and are now being used as a staging post for those attacks. The ongoing UK-Mauritius Chagos Islands deal and subsequent US-UK rift over Diego Garcia’s use in the attack on Iran shows the potential for decolonial practice in international law and is a case that the US-UK Bases off Cyprus campaign can learn from.
UK in Cyprus
RAF Akrotiri has been very important in the US attacks on Iran to date. For example, it provided a base for air refueling planes that refueled the bombers that struck Iran’s nuclear sites in June last year, and the bases likely provided intelligence and surveillance support for this ongoing operation. Between March and May last year, the base also refueled US bombers, which attacked Yemen, an attack in which the RAF also directly participated. The base is used for all UK bombing of Iraq and Syria, which still happens, and it was almost certainly an intelligence hub for the US-backed overthrow of the Syrian government.
British F-35s are currently stationed in Akrotiri, reportedly to conduct ELINT (electronic intelligence) against Iran, essentially to use their advanced sensors to gather intelligence on Iranian air defenses as part of the current war. Any strike on Iran would commence with SEAD (suppression of enemy air defense) operations, necessitating mapping those air defenses out beforehand, which is what the F-35s are doing. Now the British government has allowed the use of the bases on Cyprus for attacks on Iran, despite earlier denying this. GCHQ and the NSA’s main Middle Eastern intelligence base is in the British base area, which is extremely important to any military operations in the region. The NSA controls part of these bases more than GCHQ, meaning that there would be no oversight of US intelligence operations by the UK, let alone democratic accountability for the people of Britain or Cyprus to decide if they want this kind of thing happening on their land and in their political jurisdictions.
Britain’s role in Trump’s Caribbean offensive
Britain suspended Caribbean and Eastern Pacific-related intelligence sharing with the US in November 2025 because of the US strikes on fishing boats, which killed innocent people. However, the British state was briefing, ie, telling journalists anonymously, that this was because the strikes were illegal murders that Britain didn’t want to be implicated in legally, which was, of course, a self-interested position, not a moral one.
Then, at the start of this year, Britain had started to contribute to the Southern Spear mission directly, this time in relation to the oil blockade of Venezuela. Essentially, the UK drew a line between these different parts of US actions in the area, even though the tanker seizures are clearly illegal too. There were at least 4 examples where this is evidence of a direct British role in the seizure of tankers. Britain helped the US seize three tankers in the Caribbean with a total of 2.5 million barrels of oil, the M Sophia, the Olina, and the Sagitta, between January 7 and January 20. Britain contributed to this with surveillance flights, probably operating from British colonies in the Caribbean, from Florida, and from the Azores.
So once again, we see the intelligence and surveillance role that Britain plays in the imperial alliance; in lieu of a powerful navy, Britain seems to have specialized to an extent in its role. This type of activity is by its nature quite secretive – it would be politically difficult to have sent navy ships to interdict ships off Venezuela. But the surveillance contribution, enabled by the remaining empire’s geographical footprint, has not been picked up by the media here at all, and is also pretty unaccountable to parliament, and not subject to much democratic oversight. This, of course, mirrors Britain’s role in the Gaza genocide, where its surveillance contributions have been shrouded in secrecy and the details hidden even from MPs who are supposed to have some oversight of the military or at least its participation in foreign wars.
The other case is that of the ship, the Bella 1, renamed the Marinera, which the US seized in the North Atlantic, between Iceland and Scotland, on January 7. This was a Russian-flagged tanker sailing from Venezuela to Russia. What happened here was more direct – US special forces flew to Britain, which was tracked by flight trackers following known special ops planes. Then, they undertook the seizure operation after flying from Britain in helicopters, and meeting US Navy ships. Britain provided more intense logistical and surveillance help in this instance, as it happened so close to Britain. The ship was stolen and brought to Scotland, and the 26 crew were kidnapped and falsely imprisoned in Scotland, with most being able to leave after the US had determined they were allowed to.
The captain and first mate of this ship, the captain being a Georgian citizen, were not allowed to go home by the US once detained in Scotland. The wife of the captain made an appeal to the Scottish courts, arguing that her husband was being illegally detained without the right to the proper extradition procedures. A Scottish court granted an interim interdict, an emergency injunction, prohibiting the removal of the captain from Scotland, whilst the case was heard and the courts made their decisions. However, immediately after that court decision, the very same night, the two men were taken from Scotland to a US Navy ship, which set sail for the US. A couple of days ago, the captain had his first court hearingin Puerto Rico, where he will be transferred to DC and put on trial for “preventing a lawful seizure” and failure to stop the vessel during the Coast Guard chase. The Scottish government condemned the US actions, but the Green Party of Scotland led a more serious analysis of the situation in the Scottish parliament, arguing that the US had basically illegally kidnapped people from Scotland, ignoring the courts.
UK cedes sovereignty to the US
There are a few things to pick up on here. Firstly, like all the US actions around Venezuela and the tankers, there was no legal basis for them to do any of this. A ship isn’t “illegal” or part of a “dark fleet” just because it’s “sanctioned” by one country. Venezuela and Russia are, in theory, sovereign nations that can conduct trade and sail ships between them; no one gets to randomly call any of that illegal. There is this pretense that somehow these sanctions represent international law, but they are just edicts by one country, with no relation to international law, treaties, the UN, or any multilateral decision-making body. In fact, Bella 1 was not even sanctioned by the UK, so what was the possible legal justification for the UK’s involvement in this?
The second part is the US flouting of Scottish and British law. Scotland has its own judicial system that is separate from the rest of the UK. It is under the UK Supreme Court and the British Parliament, but it can exercise judicial authority otherwise. Likewise, the Scottish government has a high level of autonomy within the UK, with its own elected parliament and government. The US violating the law of places where its troops are based is pretty normal, take all the murders andremoveds that go along with US bases abroad, cases that have come to prominence in Japan and Korea, especially. A US diplomat’s wife killed a young man in a car crash near a US base a few years ago in England, and flew back to the US, never to face any consequences.
So, regardless of UK law and international law, the US is allowed, and even invited, to do whatever it wants in Britain, and can commission the British military to help. The British military is helping the US commit crimes in Britain, crimes under British law, in the case of the kidnapping of the sailors from Scotland. The British military is literally helping a foreign power defy civilian courts here. In the UK, we are facing the trumping of our own government and legal system by US imperial diktats, and our military and certainly this government, are choosing to actively promote it. It is a serious crisis of sovereignty for the UK. It is more important to think of the imperial violence that we are dishing out to others rather than ruminating too much on the implications of that violence in the metropole, but there are the seeds of a domestic political and legal crisis here, which could one day help to undermine Britain’s role in all of this.
The Chagos airbase dispute
There was relatively big news in mid-February about the UK denying the US the use of its bases for their coming renewed war on Iran. Namely, bases in England and Diego Garcia, in the Indian Ocean. Trump posted angrily about this and again withdrew his support for the Chagos Islands deal. To summarize the current situation regarding the Chagos Islands, there’s a UK colony in the middle of the Indian Ocean called the British Indian Ocean Territory. After WW2, the US leased the main island, Diego Garcia, as an airbase, and it’s now one of the most important US bases in the world due to its location. It was one of the CIA’s black sites and has supported attacks on the region before, including on Iran. Mauritius went through international courts to force the UK to give it back to them and won, so in 2025, the UK government made an agreement to hand over the territory but lease the base back from Mauritius for 99 years, guaranteeing the base’s status is basically unchanged.
This is good news that there is some kind of rift between Britain and the US on this, but it does raise some interesting questions, and these denials have been rescinded anyway. Namely, can the UK always exercise this right of denial, because then it would proactively have had to have proactively approved US use of bases for attacking Iran last year, or did they approve the torture black site on Diego Garcia, do they approve the use of UK bases as transit for all this equipment to the Middle East which will be used to attack Iran anyway? Secondly, Trump posting that he “may have to use” the Fairford and Diego Garcia bases to attack Iran, despite apparently being told he can’t, should be a big deal! Again, the question of UK sovereignty over its own land and military resources comes up – can we even say no to the US, is it possible at all? And will this government do anything about it if their request is ignored – highly unlikely.
However, it turns out that this whole issue may have originated in an order to the civil service in the foreign office, telling them to act as if the Chagos Islands deal had already gone through. In this case, it seems that the UK government asked the Mauritian government about the US request, and they must have said no, and so Britain said no. Alternatively, the foreign office may have said no based on the specific wording of the deal,where Britain must consult Mauritius on an attack on a third state from Diego Garcia, and have judged Trump’s intended actions to be an attack on the Iranian state, rather than self-defense, which would not require consultation.
This then makes it seem all the less benevolent. This government and the previous government, which started negotiations with Mauritius over this deal, have faced attacks from the right in the UK for giving away British land and throwing away an important base. The government has justified the deal not because it is the right thing to do, or by accepting any of the principles of the arguments around it, but instead, they justify it because they say it is the only way to keep the base operating. They claim that because of the ICJ ruling, they would be forced to cede the territory very soon, and so it was best to make a deal first. We don’t typically have much faith in these organs of international law, as they were set up to enforce the imperial order. However, it is possible for the subjects of that order to assert some agency and attempt to use that system in an insurgent manner. In this case, it is Mauritius and much of the world supporting it, which has forced this to happen, and indirectly has caused this rift and may prevent the base from being used for these attacks. I don’t think this will ultimately work, and the US would probably just use them anyway, but these are all interesting things to consider in relation to the base question. It seems that the UK is now allowing the use of Diego Garcia for attacks on Iran, which it deems “defensive” even though that definition includes strikes on ground targets. The potential utility of this model of handover deal, despite keeping the base open, does then seem to restrict the uses of the base in line with aspects of Mauritian sovereignty, disrupting the bases in some way or another, which is a big decolonial win the left has not yet fully grasped.
Alfie Howis is an activist and writer with CODEPINK London.
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