US deployment of the Terminal High-Altitude Air Defense (THAAD) system to South Korea in 2017 aroused protest from China due to the system’s powerful radar, which can reportedly scan across nearly all of China from the peninsula.

US deployment of the Terminal High-Altitude Air Defense (THAAD) system to South Korea in 2017 aroused protest from China due to the system’s powerful radar, which can reportedly scan across nearly all of China from the peninsula.