An undated image released by South Korea's defence ministry in Seoul

 
An undated image released by South Korea
An undated image released by South Korea's defence ministry in Seoul December 23, 2012, shows that a piece of wreckage of North Korea's Unha-3 (Milky Way 3) rocket is seen on a navy vessel of South Korean navy after it was pulled up. The piece is estimated as a fuel tank of the rocket by the defence ministry. This month's rocket launch by reclusive North Korea shows it has likely developed the technology, long suspected in the West, to fire a warhead more than 10,000 km (6,200 miles), South Korean officials said on Sunday, putting the U.S. West Coast in range. REUTERS/Defence Ministry/Handout