Weapons provided by the Soviet Union to North Korean military, left, and the United States to South Korean military during the Korea War are displayed at the Korea War Memorial Museum in Seoul, South Korea, Thursday, June 20, 2024. The new agreement between Russia and North Korea reached by their leaders at a Pyongyang summit requires both countries to use all available means to provide immediate military assistance in the event of war, North Korean state media said Thursday. (AP Photo/Ahn Young-joon)