BOHAI SEA,240300UCT TO 241100UTC AUG, GUN FIRING IN AREA BOUNDED BY THE LINES JOINING: 1:37-10.67N,119-20.38E. 2:37-10.70N,119-19.00E. 3:37-09.67N,119-18.97E. 4:37-09.58N,119-20.35E. ENTERING PROHIBITED.