President of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcherPresident of State Affairs Kim Jong Un oversees test-fire for verifying performance of new-type 600mm multiple rocket launcher