The U.S. Pulls Refuelling Tankers From RAF Mildenhall Over an Iran Threat

On Monday 9 November 2026 the United States moved refuelling tankers and tiltrotor aircraft out of RAF Mildenhall in Suffolk, after what the Wall Street Journal reported was a threat from Iran. Flight tracking analysed by CNN counted ten KC-135 tankers leaving for bases in Germany, Spain and Scotland. Three CV-22B Ospreys flew to nearby RAF Lakenheath. A U.S. official told the WSJ that security at both bases had been raised to Force Protection Condition (FPCON) Charlie, the Pentagon's second-highest alert level. The nature of the threat has not been made public. It is the second British base the U.S. has thinned out since September.

Key takeaways

• Reported: the WSJ, citing people familiar with the matter, says the move followed a threat from Iran. U.S. officials are still discussing what the threat was.
• Flight tracking: CNN counted ten KC-135s, with four landing at Spangdahlem (Germany), one at Ramstein (Germany), four at Morón (Spain) and one at Prestwick (Scotland). Other trackers counted nine.
• Official: a U.S. official confirmed "enhanced force protection measures" at Mildenhall and Lakenheath but declined to describe them. A U.S. spokesperson said the U.S. is "taking coordinated and appropriate actions."
• The background: in late September, five men were arrested near RAF Fairford; two were later charged under the National Security Act with helping Iran's intelligence service. Britain's prime minister has said the Fairford incident was "highly likely" to have been coordinated in Iran.
• Not established: the nature of the threat to Mildenhall, and whether any arrests are linked to it. We found no such reports.

Confidence: OFFICIAL for the security level and the spokesperson's statement; REPORTED for the threat itself and for the tanker movements, which come from flight tracking and press sourcing. RAGE X has not seen any U.S. document on the move.

What moved#

The counts differ. CNN's analysis found ten tankers, AeroTime's open-source tally and Sky News counted nine. The destinations match across sources. The movements took place over Monday, so the figures may be revised.

The threat, and what is not known#

The WSJ says the move followed a threat from Iran, and that the nature of the threat is still under discussion among U.S. officials. The White House referred questions on the move to the Pentagon, and the Pentagon had not commented when the reports were published. The U.S. spokesperson's statement was: "Together, we are taking coordinated and appropriate actions to ensure the safety and security of our US service members."

No public source describes the threat in detail, and we did not find any report of an arrest linked to the Mildenhall move. We also did not find any statement from the British government on the Mildenhall move beyond reporting that Britain says its bases are safe.

The Fairford background#

The Mildenhall move comes after a series of events at RAF Fairford in Gloucestershire:

• July: according to reports dated 24 July, the Iranian Revolutionary Guard Corps (IRGC) declared RAF Fairford a legitimate target after B-1 bombers launched strikes on Iran from it. The IRGC said any base used to attack Iran would be a target. The reports we found named Fairford, not Mildenhall. This rests on secondary reporting, and we could not locate the IRGC statement itself.
• 27 September: five men were arrested near Fairford in the early hours. They were first held on suspicion of preparing a terrorist act and explosives offences.
• Afterwards: reports say the U.S. moved its long-range bombers out of Fairford in the weeks that followed.
• 12 October: Prime Minister Andy Burnham told Parliament that the suspected plot against Fairford was "highly likely to have been coordinated in Iran." Haaretz reports the government assessed the IRGC as almost certainly directing it.
• 27 October: two men, Mohmed Abdulkarim and Nouman Essghir, both 24 and London residents, were charged under the National Security Act 2023 with assisting Iran's intelligence service. A third suspect was released on bail. Reports give different arrest totals, so the official count should be checked against the prosecutors' statement.

Iran has rejected the accusations. Tehran called them "unfounded and malicious speculations."

Official line and reporting#

Our read · RAGE Intel assessment

The moves are established. The threat behind them is not. Dispersing tankers across several bases in three countries is a standard way to stop one attack from hitting a whole fleet, and it keeps refuelling going if a single base is closed. That is what the flight tracks show.

The sequence matters more than any single report. Bombers left Fairford after an alleged Iran-linked plot, and tankers have now left Mildenhall with the security level raised at two bases. That suggests Washington sees these British bases as exposed. That is an inference from timing, not a finding.

The Iranian threat to bases has been stated publicly since July, so the risk is not new. What is new is the U.S. acting on it at a second site.

This is an assessment, not a finding. It will change if U.S. or UK officials describe the threat, if the Mildenhall aircraft return, or if arrests or charges are linked to the move.

What to watch#

• An official account: whether the Pentagon or the White House describes the threat.
• Return or not: whether the tankers and Ospreys go back to Mildenhall and Lakenheath, and when.
• The Fairford case: further charges, a court date or a trial.
• Iran: any response to the Mildenhall move, and any renewed IRGC statement naming UK bases.
• London: whether the British government says anything more about base security.

This story is developing. RAGE X will update it as new information is confirmed.

Sources#

• Iran International, U.S. moves aircraft out of second British base over Iran threat, 10 November 2026 (relaying the Wall Street Journal)
• CNN, RAF Mildenhall relocation: US evacuates aircraft from British military base after Iran threat, WSJ reports, 10 November 2026
• ABC News, US refueling tankers moved from UK to Germany due to unspecified Iran threat, source says, 10 November 2026
• AeroTime, USAF tankers leave RAF Mildenhall amid reported Iran threat, 10 November 2026
• Stars and Stripes, U.S. moves refueling aircraft from Britain to Germany amid reported Iran threat, 10 November 2026
• Al Jazeera, US moves aircraft from second UK base over 'threat from Iran', 10 November 2026
• The National, Iran threat forces US aircraft out of second British airbase, 10 November 2026
• CNN, Two British men charged with helping Iran over Fairford airbase incident, 27 October 2026
• CBS News, U.K. charges 2 men arrested over alleged Iran-linked terror plot against RAF Fairford air base used by U.S., October 2026
• Haaretz, U.K. PM Burnham: Iran's IRGC likely behind RAF Fairford incident, 12 October 2026
• MLQ, U.S. moves tankers out of RAF Mildenhall over an Iran-linked threat, weeks after pulling bombers from Fairford, 10 November 2026
• StreamLine Feed, Iran threatens Britain and says RAF Fairford and the Royal Family are 'legitimate targets', July 2026