In this undated photo released on Wednesday, Oct. 6, 2010 by Korean Central News Agency via Korea News Service, North Korean leader Kim Jong Il wearing sunglasses at center front and his third son Kim Jong Un wearing black suit, standing third from Kim Jong Il's left, pose with North Korean soldiers who participated in a coordinated drill of a military unit of the Korean People's Army at an undisclosed location in North Korea. North Korea's heir apparent observed military drills with his father, according to a state media report Tuesday, heralding a growing public profile for Kim Jong Un as he takes on a more prominent role in the reclusive nation. Chief of the General Staff of the Korean People's Army Ri Yong Ho stands at first from Kim Jong Il's left and Defense Chief Kim Yong Chun stands at second from Kim Jong Il's left. Kim Jong Il's younger sister, Kim Kyong Hui, a general in the Korean People's Army, stands at 4th right in front, and her husband Jang Song Thaek stands at right in front. (AP Photo/Korean Central News Agency via Korea News Service)