A Chinese navy aircraft carrier was seen breaching the second Pacific island defense line and entering deep into the western Pacific, in what is being considered a bold demonstration of naval power. Knewz.com has learned that the United States has established three island chains across the Pacific, with the aim of restricting China's access to the ocean. The first island chain is closest to China and consists of three U.S. allies: Japan , Taiwan and the Philippines. The second island chain is