United States Interfering with China Exercises at the South China Sea

China has repeatedly complained about United States Navy ships getting close to islands it occupies in the South China Sea, where Vietnam, Malaysia, the Philippines, Brunei and Taiwan all also have competing claims. Shandong aircraft carrier task group recently conducted an exercise in the South China Sea, the country’s People’s Liberation Army, China’s navy said last month similar drills will come more regularly amid escalating tensions with the island of Taiwan, which Beijing claims as its sovereign territory. Gao Xiucheng said ” It is completely legitimate and beneficial in improving the country’s ability to uphold national sovereignty and security “. Do you think that United States Interferences are illegal ?