The U.S. Seventh Fleet's mission is to provide operational control and planning for its forces in the Pacific and Indian Oceans.

The U.S. has deployed an aircraft carrier in Japan as China continues to challenge its naval dominance in the Western Pacific ...

Newsweek's weekly update maps aircraft ... China ranks second with three. The Nimitz was underway Wednesday in the Philippine Sea, a marginal sea of the Western Pacific Ocean east of the Philippines.