India has taken another big step toward preparing for the future of warfare, and it’s happening in space—or at least, using space technology. This week, the Indian military conducted its second-ever series of space wargames, called ‘Antariksha Abhyas 2024’.

Although these drills didn’t actually take place in outer space, they were held at the Headquarters of the Integrated Defence Staff in New Delhi. Over three days, from Monday to Wednesday, military officials, scientists, and space exp...