GD173/21 ZHUJIANG KOU MILITARY ACTIVITY IN AREA BOUNDED BY 21-55-48N 113-42-30E、21-57-42N 113-45-57E、21-50-00N 113-56-02E AND 21-43-02N 113-43-18E FROM 6 TO 8 AUG. ENTERING PROHIBITED GUANGDONG MSA CHINA
