Should the Defence Investment Plan prioritise turning spending into measurable military capacity over setting higher GDP percentage targets?

The government has published a Defence Investment Plan that sets out where additional defence funding will be allocated. Rachel Reeves and Dan Jarvis have highlighted the need to convert spending, assets, maintenance and liabilities into readiness. Britain's defence debate remains focused on input targets such as raising spending to 2.5-3.5% of GDP to meet threats from Russia and reassure NATO allies.