Late last month , two Defense Department officials said U.S. satellite imagery spotted `` vehicle activity '' at a North Korean ballistic missile facility . U.N . Resolution 1874 imposes arms embargo , broadens weapons import ban . Comment: Resolution requires arms sales notifications , inspection of suspect vessels . Pyongyang 's actions violated existing U.N. resolutions .
U.N . Resolution 1874 imposes arms embargo , broadens weapons import ban . Comment: Resolution requires arms sales notifications , inspection of suspect vessels . Pyongyang 's actions violated existing U.N. resolutions .