No surprise they left, then ...
Police make further arrest over RAF Fairford incident
Six men in their 20s, five of whom were arrested on 27 September, had already been arrested and remain on police bail.
American officials have said the US removed its bombers partly because of a
reported threat of a possible Iranian drone attack against the base.
The two officials, speaking anonymously to Sky's partner network NBC, could not say whether the threat was imminent.
Donald Trump has said there were "some threats" that led the US to withdraw its aircraft.