Photo credit: Reuters The United Kingdom is set to unveil its long-delayed Defence Investment Plan on Tuesday, setting out how it intends to modernise its ageing military. Britain plans to make major investments in drones, artificial intelligence, autonomous systems and traditional deterrents such as fighter jets, submarines and nuclear weapons.Outgoing Prime Minister Keir Starmer is expected to publish the blueprint after months of delay and a funding dispute that led to the resignation of John Healey as defence secretary. The plan is expected to include £5 billion in funding for drones over the next four years, marking Britain’s biggest investment…