Chinese Navy: Show of Force in South China Sea

Satellite images reveal over 40 Chinese Navy warships led by aircraft carrier heading into South China Sea on patrol and exercise, guarding Chinese territories and interest. The exercise coincide with state visit by Kim Jong Un to Beijing yesterday. Perhaps it is a precaution against US sneak attack on North Korea while Kim is in China?

source:
https://www.usnews.com/news/world/articles/2018-03-27/exclusive-satellite-images-reveal-show-of-force-by-chinese-navy-in-south-china-sea