"North Korea's Missile Launches Coincide with U.S. Submarine's Arrival in South"

North Korea fired two ballistic missiles into the sea off its east coast, shortly after a U.S. nuclear-powered submarine arrived in a naval base in South Korea. This comes amidst heightened tensions on the Korean peninsula as South Korea and the United States increase military readiness against North Korea's weapons program. North Korea has expressed anger over the deployment of U.S. strategic military assets, stating that it could meet the criteria for its use of nuclear weapons.