GD120/21 SOUTH CHINA SEA MILITARY EXERCISES IN AREA BOUNDED BY 21-20.53N 109-45.87E，21-22.27N 109-35.87E，21-11.50N 109-25.80E，20-47.42N 109-20.95E AND 20-42.90N 109-46.10E FROM 090400UTC TO 181600UTC JUN. ENTERING PROHIBITED GUANGDONG MSA CHINA
