The UK government has announced the Defence Investment Plan (DIP), backed by nearly £298 billion over the next four years, including an additional £15 billion in new funding, aimed at accelerating military modernization, expanding nuclear capabilities, and increasing the use of autonomous systems and artificial intelligence across the armed forces.
The announcement was made alongside a broader commitment to raise annual defence spending from about £54 billion to nearly £80 billion by 2029, lifting total defence expenditure to around 2.7% of GDP — the highest proportion in over three decades.
Prime Minister Keir Starmer said the plan is designed to ensure the armed forces are “ready and equipped to fight the wars of today and the future,” while strengthening national security and supporting domestic industry.
“The world is a more dangerous and volatile place, so it is only right we are boosting the number of troops on the ground, rebuilding ammunition stockpiles and investing in cutting edge technology to ensure we outpace our adversaries for generations to come,” Starmer commented.
Chancellor Rachel Reeves described the spending increase as a shift to “the highest level since the Cold War,” arguing it would both enhance security and support economic growth through defence-related jobs and industrial investment.
Defence Secretary Dan Jarvis said the package reflects a shift toward “new technology and autonomous systems” and is intended to improve readiness, availability of equipment, and battlefield effectiveness.
“I have secured more money and made different choices for defence. We will invest £298 billion over the next four years. That includes an additional £15 billion, of which most is extra day-to-day spending for training and improving availability of ships and aircraft to increase our war-fighting readiness. By choosing to embrace new technology, I am equipping our troops with the autonomous systems which will give them the edge on the battlefield,” Jarvis noted.
Key components of the DIP
The investment package includes:
Industrial and strategic impact
The government estimates the plan will support more than 500,000 defense-related jobs in the UK by the end of the decade, including nearly 60,000 additional direct and indirect positions created by the new spending.
Officials also announced a £50 billion defense export financing facility intended to help UK defense firms compete internationally.
Chief of the Defence Staff Air Chief Marshal Sir Rich Knighton said the plan provides a framework to deliver a more “integrated force” and reflects the need to adapt to evolving global threats.
The investment will be financed through spending reprioritization within existing fiscal rules and without reducing funding for day-to-day public services, according to the officials. They added that the strategy prioritizes efficiency reforms and anti-fraud measures within the defence procurement system to reduce waste and improve delivery outcomes.
To remind, the UK recently revealed plans to procure at least six new hybrid warships for the Royal Navy, replacing earlier plans for the Type 83 destroyer as part of a revised approach to maritime air defense that emphasises integration with uncrewed systems and a more distributed fleet design.
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