The South China Sea’s contested islands could be transformed into autonomous, robotic fortresses, according to a defence proposal by the Chinese coastguard. The plan, which was detailed in a Chinese-language journal supervised by the state-run China Shipbuilding Industry Corporation, envisions a maritime landscape defended by a coordinated swarm of machines instead of soldiers. The proposal comes as Beijing seeks to neutralise the growing threat of low-cost drone swarms – the asymmetric weapon...