It is simply hitting the rock with the pebbles.

lvpopo

Before the end of 2022, the missile force of the Ground Self-Defense Force will be deployed on Ishigaki Island, Okinawa Prefecture, with a size of approximately 500 to 600. Amami Oshima, Kagoshima Prefecture, Okinawa Main Island, and Miyakojima Island in Okinawa Prefecture have now deployed missile troops. Together with the troops on Ishigaki Island, a pattern of four bases will be formed. Strengthening the defense forces on the southwestern islands, aiming to "counter" the increasingly active Chinese army in maritime activities, is simply hitting rocks with pebbles.