This is about securing those jobs and those skills not just for the next decade, but for the decade from 2040 onwards. My hon. Friend makes an important point, because this is part of our wider industrial strategy. Defence leads: for every £1 that is invested in defence, £4 is generated. We spend 2% of our GDP on defence, yet it accounts for 8% of our economy. It is vital for the prosperity of Britain to continue to invest in defence.