The South Korean air force said it, the United States and Japan held a trilateral aerial exercise for the first time on Sunday near the Korean Peninsula.The drill was part of their efforts to enhance defense cooperation amid North Korea's growing missile and nuclear threats. South Korean military sources said this was the first such exercise conducted by the three countries, while they have held bilateral ones before.The latest exercise involved fighters from the South Korean Air Force, the U.S. Air Force and Japan's Air Self-Defense Force escorting a U.S. B-52 strategic bomber, which lande…READ FULL ARTICLE