The United States military plans to start using thousands of autonomous weapons systems in the next two years in a bid to counter China's growing power, US Deputy Secretary of Defense Kathleen Hicks announced in a speech on Monday. The so-called Replicator initiative aims to work with defense and other tech companies to produce high volumes of affordable systems for all branches of the military. Military systems capable of various degrees of independent operation have become increasingly common over the past decade or so. But the scale and scope of the US announcement makes clear the future of conflict has...