GD57/22 ZHUJIANG KOU GUNNERY EXERCISES IN AREA BOUNDED BY 21-44N 113-38E，21-44N 113-48E，21-54N 113-48E AND 21-54N 113-38E FROM 0330 UTC TO 0630 UTC 8 JUN. AND FROM 0030 UTC TO 0630 UTC 10 JUN. ENTERING PROHIBITED GUANGDONG MSA CHINA
