Johnson plans to use defence overhaul to strengthen UK union

Major strategic review will increase defence manufacturing and create jobs in all four nations

Boris Johnson's long-awaited overhaul of Britain's defence strategy will be published on Monday, when the prime minister will sell it domestically as a boost to the economy and the union between the UK's four nations.

The Integrated Review, commissioned over a year ago, will promise to strengthening the UK's core industrial base" and outline plans to expand manufacturing and create jobs outside London.