BOHAI SEA,202300UCT TO 241000UTC MAY,GUN FIRING IN AREA BOUNDED BY THE LINES JOINING: 1:37-11.37N,119-17.17E。 2:37-11.28N,119-21.22E。 3:37-07.97N,119-20.72E, 4:37-08.08N,119-16.70E. ENTERING PROHIBITED.