Latest "missile testing" stories
The launch came as the United States and South Korea prepare to hold their biggest combined military training exercises in years next week.
North Korea said Friday it test-fired long-range cruise missiles in waters off its eastern coast a day earlier.
North Korea fired a pair of ballistic missiles on Sunday toward its eastern waters, its first weapons test in a month.
North Korea fired a suspected long-range missile designed to strike the mainland U.S. on Friday, its neighbors said.