The classified MOD report leaked by the Daily Telegraph casts shadows on the capability of the F-35B to meet the requirements set by the military. The documents stated that in order to fulfill the entire mission requirements met by 97 F-35C, MOD will have to buy 136 F-35B STOVL ‘jump jets’, at an extra cost of £2.4 billion. Nevertheless, British Prime Minister David Cameron is expected to support shifting back to the STOVL variant.
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Why did Britain buy the F-35B instead of waiting for the F-35C? - Quora
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