The Chinese PLA has concluded two days of military drills around the island of Taiwan. The drills involved vessels and aircraft in coordination with conventional missile troops and long-range rocket launching systems. Beijing calls the drills a warning message for separatist forces in Taiwan and external powers interfering with China's national reunification efforts. What more do we know about the drills? Why did the army choose this time to conduct the exercises? What has been the reaction to the drills?