“Beijing, which claims the system’s radar can be used by the United States to spy on China, retaliated against the deployment of the Terminal High Altitude Area Defence (THAAD) system with unofficial sanctions against the South. Seoul has now agreed to accept military constraints in return for the lifting of those sanctions, creating a worrying precedent for Beijing’s rivals in the region.”

Source: China wins its war against South Korea’s US THAAD missile shield – without firing a shot | This Week In Asia | South China Morning Post