U.S. satellite imagery has spotted `` vehicle activity '' at a North Korean ballistic missile site , two Defense Department officials said Friday . Satellite imagery ` ` vehicle activity '' at a ballistic missile site , U.S. sources say . North Korean Foreign Ministry blasts U.N. Security Council as ` ` hypocrites '' North Korea test - fires sixth short - range missile this morning , South Korean source says . Joint forces in South Korea increase surveillance capabilities in response to North 's threat .
Satellite imagery ` ` vehicle activity '' at a ballistic missile site , U.S. sources say . North Korean Foreign Ministry blasts U.N. Security Council as ` ` hypocrites '' North Korea test - fires sixth short - range missile this morning , South Korean source says . Joint forces in South Korea increase surveillance capabilities in response to North 's threat .