The U.S. 31st Marine Expeditionary Unit is deployed with an amphibious ready group in the Western Pacific Ocean.

The Chinese Eastern Theater Command has a joint training mechanism that allows different aviation forces to share airfields.

A United States spy plane on Monday flew over the Gulf of California, which is enclosed on three sides by Mexico, Newsweek's map shows, using open-source flight tracking data. Newsweek has emailed the ...