On the 28th, the Ministry of National Defense protested to both countries that about 10 Chinese and Russian military aircraft entered the Korean Air Defense Identification Zone (KADIZ) without permission the previous day. In a press release that day, the Ministry of National Defense said, “Regarding the unauthorized entry of Chinese and Russian military aircraft into the KADIZ, the Director of International Policy at the Ministry of National Defense sternly protested to the Chinese defense attaché in Korea and the Russian defense attaché in Korea on the afternoon of the 28th and urged them to prevent a recurrence.” revealed...