North Korea fired multiple cruise missiles into waters off its western coast Tuesday in its third launch of such weapons this month, South Korea’s military said, as the North continues to flaunt its expanding arsenal of weapons designed to overwhelm its rivals’ defenses.

South Korea’s Joint Chiefs of Staff said the South Korean and US militaries were analyzing the launches that were detected around 7 am It did not immediately provide more details, including the number of missiles fired, how far they flew, and whether they were launched from land or sea.