F-35B Block 4 software upgrades will cost Britain £345m

Britain will spend £345m ($486m) upgrading its F-35B fighter jets to the most recent, combat-ready, version of the aircraft’s operating system. The figure was indirectly revealed by defence procurement minister Guto Bebb, in response to a Parliamentary question. “The UK’s contribution will be around 4.5 per cent of F-35 Program common upgrade costs, from which the UK gains 100 per cent of the benefit,” said Bebb in his answer to Plaid Cymru MP Jonathan Edwards.

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