The Japanese government is considering newly deploying to the main island of Okinawa a surface-to-ship missile unit to beef up defenses in response to China's maritime assertiveness, government sources said Tuesday.Tokyo has been proceeding with a plan to install a surface-to-ship missile unit on Okinawa's Miyako Island to enhance defense against threats to remote islands in the southwest. But it believes Okinawa Island should also have a unit as Chinese naval ships have frequently passed between the two islands in the East China Sea.Miyako is located about 290 kilometers southwest of the m…READ FULL ARTICLE