U.S. Carriers Told by State to Heed China's Air-Defense Zone

U.S. airlines should notify Chinese authorities before flying through China's new air-defense zone, the State Department said, even as the American military conducts daily flights in the area without such notification.

http://washpost.bloomberg.com/Story?docId=1376-MX202H6JIJVM01-1KKM3S5LBSQCM8KOFGDV9C64JS