He was also elected to the National Defence Commission in April 2011 .
He was also promoted to Politburo full member in April 2012 , largely replacing Jon Pyong - ho as North Korea 's military industry manager .
He was also elected to the National Defence Commission in April 2011 and promoted to Politburo full member in April 2012 , largely replacing Jon Pyong - ho as North Korea 's military industry manager .