Pentagon pulls the last B-1s from RAF Fairford after a fresh threat warning

The Pentagon confirmed on Sunday that it had withdrawn its B-1B Lancer bombers from RAF Fairford in Gloucestershire and returned them to bases in the United States. Air and Space Forces Magazine and Air Data News put the number that left on 4 October at 12, the last of a deployment that had run about seven months and had been used for strikes connected to the war with Iran. Downing Street said on Monday the base is safe and declined to comment on another country's military movements.

The security trail at Fairford starts on 27 September. British police were called after reports of three suspicious vehicles and masked people near the wire. Five men were detained. The BBC reported that Whitehall sources did not dispute a link between that incident and Washington's decision to move the aircraft, and that the BBC had been told the call was military rather than political, taken at operational level and passed from the US military to British counterparts. A No 10 spokesperson pointed to comments last week in which Donald Trump praised British police, defence and security services over the base.

The New York Times, cited by the BBC, reported that US commanders had received new warnings of an Iran-backed plot against Fairford, according to two US officials. The paper wrote that the new information belonged to the same threat stream as warnings from three weeks earlier, and that officials moved after specific details surfaced in the previous 24 hours. The Pentagon's public line is narrower. It confirmed the bombers are home and said the B-1, the B-2 Spirit and the B-52H Stratofortress can still fly global missions from bases in the United States. It did not, in the statements carried on Monday, describe an Iranian plot.

Fairford's value in this deployment was distance. A B-1 crew launching from Gloucestershire reaches the Middle East without the tanker burden of a mission that starts in South Dakota or Texas. Ellsworth Air Force Base in South Dakota and Dyess in Texas are the type's home stations. Pulling the last 12 aircraft back in a single day ends that European launch option for the Lancer. It does not ground the bomber. It lengthens the sortie and puts more of the load on tankers if Washington orders another strike package.

The B-1B is a conventional-only swing-wing bomber. Arms-control agreements removed its nuclear role years ago. In a campaign against Iran it has been used for long-range conventional loads, which is why a dozen of them sitting on a Cotswold runway mattered to both the US Air Force and to anyone planning an attack on that runway. A plot warning, if the Times account holds, is aimed at the aircraft and the people who service them, not at a British town. No 10's insistence that the base is safe is a statement about the site after the aircraft left, and about policing, not a claim that the warning was false.

British police have not, in the public record available on Monday, named the five men detained on 27 September or said whether any remained in custody. A separate weekend case, the arrest and later bail of a dual British-Iranian national over a suspected plot, has been reported by AP and sits in the same news cycle. It is not the same file as the Fairford vehicles unless investigators say so. Treating them as one plot would invent a link the police have not drawn.

What changed on the flight line is countable. Twelve B-1Bs that were at Fairford on Saturday were not there on Sunday. The deployment that began as one of the larger recent concentrations of US strategic bombers in Britain is over. Missions, if they continue, start from American concrete. The open question is whether the aircraft return to Fairford after the warning is judged to have passed, or whether the Iran campaign's European bomber bed has moved for the rest of this phase of the war.

Residents of Fairford and Lechlade have lived with the noise of afterburners for seven months. The operational fact for them on Monday is quieter ramps and a Downing Street sentence that the station is safe. The operational fact for planners is a longer flight to the same targets.