On the 28th, the Ministry of National Defense protested to both countries about the unauthorized entry of 10 Chinese and Russian military aircraft into the Korean Air Defense Identification Zone (KADIZ) the previous day. In a press release, 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.” ···