U.S. Pacific Command said it tracked the missile until it landed into the sea
CBS News 
May 21, 2017
North Korea on Sunday fired a medium-range missile, U.S. and South Korean officials said, in the latest ballistics test for a country speeding up its development of nuclear weapons and missiles.
The rocket was fired from an area near the North Korean county of Pukchang, in South Phyongan Province, and flew eastward about 310 miles, South Korea’s Joint Chiefs of Staff said. It did not immediately provide more details.
White House officials traveling in Saudi Arabiasaid the system, which was last tested in February, has a shorter range than the missiles launched in North Korea’s most recent tests.
U.S. Pacific Command said it tracked the missile until it landed into the sea.
“The North American Aerospace Defense Command (NORAD) assessed that the missile launch from North Korea did not pose a threat to North America,” Commander Dave Benham, director of media operations for U.S. Pacific Command, said in a statement.
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