Commercial satellite imagery taken over Cuarteron Reef in South China Sea last month revealed the China is constructing a High Frequency (HF) radar on the artificial island. The radar could have a secondary role of detecting stealth aircraft.
[thumb]http://amti.csis.org/another-piece-of-the-puzzle/[/thumb]
![A2_annot[1]](http://alert5.com/wp-content/uploads/2016/02/A2_annot1-500x280.jpg)