GD70/22 SOUTH CHINA SEA MILITARY EXERCISES IN AREA BOUNDED BY 22-40-49N 115-21-22E，22-34-19N 115-21-22E，22-34-19N 115-30-07E AND 22-40-49N 115-30-07E FROM 271900 UTC TO 280600 UTC AND 310000 UTC TO 311000 UTC JUL. ENTERING PROHIBITED GUANGDONG MSA CHINA