 Complete the following phrase:  The Japanese Imperial Army deployed the naval Type 4 20 cm 8 in Rocket Launcher and army Type 4 40 cm 16 in Rocket Launcher against the United States Marines and Army troops at Iwo Jima and Okinawa, and United States Army troops during the Battle of Luzon, as well Soviet Red Army troops during Manchuria Campaign, South Sakhalin and 