KYIV, Ukraine – Ukrainian President Volodymyr Zelenskyy has warned that North Korea is expanding its military cooperation with Russia, saying the use of North Korean troops and ballistic missiles in the war is helping Pyongyang improve its weapons and battlefield capabilities. Okay News reports that Zelenskyy said Russia is preparing to deploy an additional North Korean military contingent and has received more ballistic missiles from Pyongyang. Zelenskyy argued that North Korean weapons used against Ukraine provide an opportunity for Pyongyang to identify weaknesses in its military systems and improve their performance through combat experience. “The more North Korean strikes there are here in Ukraine, in Europe, the more their missiles and soldiers are used, the more they correct their shortcomings and blind spots,” Zelenskyy said in his evening address. Zelenskyy said the issue should be viewed as part of a wider effort to prevent countries from using wars abroad to test and improve military capabilities.