Vince Brooks quoted in The Diplomat article, “Upgrading South Korean THAAD”
"The deployment of the Terminal High Altitude Area Defense (THAAD) system on the Korean Peninsula is a contentious issue between China and South Korea, with China concerned that THAAD is aimed at its ICBM installations. South Korea and the United States argue that THAAD is purely defensive, aimed against the threat of North Korean missiles. Since it is in terminal mode, with a range of 1,000km, the THAAD radar, known as AN/TPY-2 is unable to detect Chinese ICBMs. A Pentagon report [...]