Ceremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRKCeremony of presenting 600mm-calibre multiple rocket launchers held in DPRK