Photo provided by Korean Central News Agency (KCNA) on Jan. 31, 2015 shows top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un (front) inspecting a drill of the Korean People's Army (KPA). The fighter airmen and combined submarine units successively carried out the drill. Kim Jong Un gave instructions for bolstering up the operation capabilities of the units of all services. He said that the DPRK is ready to counter any war including a war by conventional armed forces or a nuclear war. (Xinhua/KCNA)