The government believes the Chinese fleet that sailed between Okinawa Island and Miyakojima island last week indicated once again that the Chinese Navy is increasing its efforts to expand the range of its operations. On Saturday, a fleet of 10 Chinese vessels, including two submarines, was spotted in international waters sailing between the two islands. As a result, the government is closely monitoring China's maritime activities in the area. In the PLA Daily, the Chinese People's Liberation Army described the navy's latest action as an exercise designed to deploy its warships in distant waters. According to the Self-Defense Forces' Joint...