N Korean leader Kim Jong Un makes his first New Year's speech calling for his country to focus on economic improvements with the same urgency that scientists put into the launch of a long-range rocket last month, January 1, 2013.

North Korean leader Kim Jong-un delivers a New Year address in Pyongyang in this picture released by the North's official KCNA news agency, January 1, 2013.

North Koreans watch fireworks to greet new year in Pyongyang early January 1, 2013 in this picture released by the North's official KCNA news agency. REUTERS/KCNA (NORTH KOREA - Tags: SOCIETY ANNIVERSARY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKE

On Assignment: North Korea's New Leader

oNorth Korean students dressed up in their finest clothing and winter jackets dance at the plaza in front of the Arch of Triumph in Pyongyang, North Korea, Sunday, Dec. 30, 2012.

April 11, 2012: North Korean leader Kim Jong-Un waves during the Fourth Conference of the Workers' Party of Korea (WPK) in Pyongyang. WPK named Kim as "first secretary," the official KCNA news agency said.

April 8, 2012: A soldier stands guard in front of the Unha-3 rocket sitting on a launch pad at the West Sea Satellite Launch Site, northwest of Pyongyang, North Korea.

North Korea Missile Launch 12-12-12

North Koreans applaud near a slogan which reads “(we) fervently celebrate the successful launch of the second version of the Kwangmyongsong-3 satellite 2nd version" during a mass rally organized to celebrate the success of a rocket launch that sent a satellite into space at Kim Il Sung Square in Pyongyang, North Korea, Friday, Dec. 14, 2012.