S. Korea, U.S. conduct live-fire air drills as part of UFS exercise ArirangNews 0 124 08.27 00:59 https://www.youtube.com/watch?v=GIleylqK2aA + 8 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 11 S. Korea, U.S. conduct live-fire air drills as part of UFS exercise