Among the 12 bases from where search and rescue operations are launched is RAF Valley on Anglesey, where the Duke of Cambridge is based.
Under the contracts due to be unveiled tomorrow, the total number of bases is expected to be cut from 12 to10 although it is not clear which bases will be closed.
Assurances have already been given that the Duke will be moved to another part of the military rather than being employed by the firm that is awarded the search and rescue contracts.
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Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.
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