A not-great-sign out of the South China Sea this week:
I think this rates about a 3.0 on the Concern-o-Meter:
It's a delicate situation over there right now:
In the past, China has said that the United States sending ships and aircraft into the South China Sea is not good for peace.
US military planes and ships routinely carry out surveillance operations and travel through the region.
China claims vast swaths of the South China Sea that overlap with the exclusive economic zones of Vietnam, Malaysia, Brunei, Indonesia and the Philippines.