It has a potential range of 9,320 miles.South Korea's military spoke of preparing for further launches from North Korea and told ABC News, "Our military has strengthened surveillance and vigilance in preparation for additional launches and is maintaining a full readiness posture while closely sharing information related to North Korea's ballistic missiles with the U.

North Korea fired a salvo of short-range missiles into the East Sea on Tuesday, South Korea's military said, just hours before Americans were set to head to the polls for the U.S. presidential election.