Ceremony marks launch of land-to-ship missile unit on Okinawa island
"...establishment of the surface-to-ship missile regiment on March 21. The regiment, equipped with Type 12 surface-to-ship guided missiles, will keep watch on Chinese military ships that often sail between the Okinawa main island and Miyako Island.
Officers serving in the headquarters of the new regiment as well as troops under their command will total around 200, according to the Defense Ministry. ..."
Reference: japantoday.com .