Russia has endured over 700,000 casualties since launching its full-scale invasion of Ukraine in 2022—more than in all of Moscow’s conflicts since World War II combined, U.S. Defense Secretary Lloyd Austin said on Jan.

Pyongyang might have acquired advanced missile technology from Moscow in exchange for its involvement in the war, analysts say North Korea could raise its army's deployment to support Russia's war in Ukraine to as many as 100,

North Korea is gaining crucial military experience and equipment by sending troops to Russia, a U.S. official warned the United Nations, making the regime a growing threat to neighboring countries.