Photo provided by Korean Central News Agency (KCNA) on Nov.23, 2014 shows top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un (C) talking to officers during a combined joint drill of the units under KPA Large Combined Units 572 and 630. Kim Jong Un watched the whole process of the exercise and required all military units to rehearse under simulated conditions of a real war and be well prepared at all times. (Xinhua/KCNA)