A North Korean vehicle carrying what appears to be a new missile passes by during a mass military parade in Kim Il-sung Square in Pyongyang, North Korea, on Sunday, April 15, 2012, to celebrate the 100th birthday anniversary of Kim, the late North Korean founder. (AP Photo/Vincent Yu, File)

Photo by: Vincent Yu

A North Korean vehicle carrying what appears to be a new missile passes by during a mass military parade in Kim Il-sung Square in Pyongyang, North Korea, on Sunday, April 15, 2012, to celebrate the 100th birthday anniversary of Kim, the late North Korean founder. (AP Photo/Vincent Yu, File)