Latest "South China Sea" stories
Defense Secretary Lloyd Austin is in the Philippines for talks on deploying larger numbers of U.S. forces and weapons in more Philippine military camps.
China has been increasingly using civilian ships including hundreds of fishing trawlers to back up its vast territorial claims and project military power.
"It’s the provocative nature of the intercepts that’s got our attention, and we’re trying to understand it,” said Vice Adm. Karl Thomas.
By Zamone Perez