A U.S. research institute says North Korea is upgrading its main rocket launch site and has conducted a series of engine tests as it develops a mobile, intercontinental missile that could threaten the U.S.
Associated Press, San Diego Union-Tribune Nation
Tue, 07/29/2014 - 12:12pm
A U.S. research institute says North Korea is upgrading its main rocket launch site and has conducted a series of engine tests as it develops a mobile, intercontinental missile that could threaten the U.S.