A TV at Seoul's Yongsan Railway Station shows a firing drill conducted by the North Korea's western artillery units on the March 18, demonstrating 600mm multiple rocket launchers. North Korean leader Kim Jong Un has inspecting a firing drills involving super-large multiple rocket launchers and called for perfecting readiness to collapse the capital of the enemy with the "core striking means," state media said on March 19. On the March 18, Kim oversaw the "salvo" drills of artillery units in the country's western region using the 600mm multiple launch rocket system, according to the Korean Central News Agency (KCNA). (Photo by Kim Jae-Hwan / SOPA Images/Sipa USA)