Gregory Polling

Satellite images show China may be building a powerful new radar system on a disputed island in the South China Sea, which could have worrisome military uses in monitoring - and potentially trying to control - a strategically vital waterway, according to the Center for Strategic and International Studies (CSIS).

Satellite images show China may be building a powerful new radar system on a disputed island in the South China Sea, which could have worrisome military uses in monitoring - and potentially trying to control - a strategically vital waterway, according to the Center for Strategic and International Studies (CSIS).