Share Comment on this story CommentSEOUL, South Korea — North Korea launched several cruise missiles into the sea Saturday, South Korea’s military said, extending its weapons testing activities in response to the United States-South Korea summer military drills. AdvertisementA day before the U.S.-South Korean training ended, North Korea fired two short-range ballistic missiles into the sea in a launch it said was meant to simulate “scorched earth” nuclear strikes on South Korea. Share this article ShareOn Aug. 21, the day when the U.S.-South Korean drills began, North Korea’s state media said its leader Kim Jong Un observed cruise missile launches. Analysts say the main missions of North Korean cruise missiles are striking incoming U.S. warships and aircraft carriers in the event of war. Foreign experts say Kim uses U.S.-South Korean military drills as a pretext to expand his missile and nuclear arsenals to boost leverage in future diplomacy with the United States.