The warmongers staged the landing drill for securing coastal bridgehead in the event of contingency from April 21. They made public the course of the drill on April 26, inciting war hysteria.

The U.S. marines and navy present in Okinawa, Japan and other aggression forces including the three services and the marine corps of the south Korean puppet army and the latest war equipment including armored cars, tanks, helicopters and VTOL transport planes were involved in the drill, reminding one of a real war.