Zones extend from the Yellow Sea to the East China Sea

Mapped data critical for submarine operations and detection

Eastern Theater Command to conduct patrols and practice blockade maneuvers

Advanced carrier can carry more than 50 aircraft

Report says Beijing aims to block US intervention in Taiwan Strait conflict

Scholars propose reciprocal pullbacks of military assets in region

China rapidly building conventional and nuclear submarines

Nation sends military and deploys missile systems to monitor Chinese activity

China to showcase advanced weapon during WWII military parade

PLA reorganization, coastal deployments heighten analyst concerns