North Korea and Russia have ratified a mutual defense treaty, pledging military aid in case of an attack on either nation, as confirmed by North Korean state media and Russian legislative procedures. This treaty, signed by Kim Jong Un and Vladimir Putin in June, marks a significant step in enhancing military cooperation between the two countries amid Russia's ongoing conflict in Ukraine. Reports from the U.S., South Korea, and Ukraine suggest that North Korea has already deployed around 10,000-12,000 troops to Russia, contributing to the war efforts against Ukraine. Ukrainian President Volodymyr Zelenskyy has acknowledged these deployments, noting that North Korean soldiers have engaged in combat, marking a new phase of instability. The treaty also aims to oppose Western sanctions and coordinate international positions at the United Nations, solidifying the strategic partnership between Moscow and Pyongyang. South Korea is reconsidering its stance on providing military aid to Ukraine, considering the implications of North Korea's involvement in the conflict.