In an era of naval warfare defined by air superiority, precision missiles and autonomous drones, China’s navy appears to be bringing back the “big guns”. A new naval gun system is said to be in development which takes 155mm, or 6.1-inch, artillery shells. That would make it the largest of its kind in the world today. The naval gun has recently been spotted undergoing sea-based performance testing from an experimental warship, which suggests it is moving closer to being deployed by the People’s...