North Korean leader Kim Jong Un delivered a speech on soldier obedience at a top military university on Monday, according to state media, alluding to problems that may be affecting troops fighting for Russia against Ukraine but without directly mentioning the deployment.

Kim visited Kim Il Sung University of Politics, located in northern Pyongyang, to celebrate the school’s 80th anniversary, Korean Central News Agency (KCNA) reported on Tuesday.

The university is in charge of “making the Korean People’s Army (KPA) ideologically elite,” the report said, producing “competent political workers who constantly imbue the entire army with the red idea