FILE - In this Oct. 13, 2011 file photo, Japan Maritime Self-Defense Force's P-3C Orion surveillance plane flies over the disputed islands in the East China Sea, called the Senkaku in Japan and Diaoyu in China. China said Friday, Jan. 24, 2014, it has begun issuing warnings to foreign military planes entering its self-declared air defense zone over the East China Sea, showing its determination to