![British troops march at King Charles III's coronation ceremony. The UK currently spends about 2 per cent of GDP on defence. Getty Images](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/72CVZF3OTCIJILTQLNMRRUSXG4.jpg?smart=true&auth=8e7fdba721d90657cec6ab43fcf11aed86f85ed241d1b96ab7bf2afa89d1b2df&width=400&height=225)
British troops march at King Charles III's coronation ceremony. The UK currently spends about 2 per cent of GDP on defence. Getty Images
British troops march at King Charles III's coronation ceremony. The UK currently spends about 2 per cent of GDP on defence. Getty Images
Britain must spend 3% of GDP on defence or 'face defeat', former government officials say
Group led by former defence secretary Michael Fallon calls for military to be strengthened as global threats rise