Report on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattackReport on participation of 600mm super-large multiple rocket sub-units in first combined tactical drill simulating nuclear counterattackPresident of State Affairs Kim Jong Un guides combined tactical drill simulating nuclear counterattack