[On board the lead KC-10 a radio is tuned into the BBC evening news]

[Opening jingle of BBC News theme]

Presenter: Good evening. Tonight, significant military movements have been observed at US Air Force bases in Britain amid escalating tensions with Libya. We go now to our defense correspondent at RAF Lakenheath in Suffolk.

Correspondent: The usually quiet airfields of RAF Lakenheath and RAF Mildenhall have burst into activity today. Behind me, the distinct sound of F-111 fighter bombers can be heard taking off, as confirmed by video footage earlier and interviews with local plane spotters. Both air bases, which are extensively used by the US Air Force, have seen an increase in sorties in the past few hours.

While the exact nature of the missions is not yet clear, it's understood that these operations could be in response to recent threats linked to Libya. The Pentagon has yet to confirm details of the mission, but the use of these bases highlights the potential scale of the operation.

Presenter: This sudden surge in military activity comes in the wake of incidents that Washington attributes to Libyan aggression, including the recent bombing of a Berlin discotheque frequented by US servicemen. President Reagan has previously indicated that the US would respond decisively to what he described as Libyan-sponsored terrorism.

Correspondent: Locals around these bases have noted an unusual number of aerial refueling tankers, indicating possible long-range operations. Although our cameras are not allowed inside the bases, continuous movements have been observed, and the mood among the local communities is one of watchful anticipation.

Presenter: Thank you. As this situation unfolds, we will keep you updated with the latest information straight from the sources. Stay with BBC News for ongoing coverage.

Presenter: In other news tonight…