Saying that we can step up the revolution in the warship-building industry in earnest at present as we have a strong will and have secured our own reliable forces and great technical power to guarantee it practically, he clarified the defence strategy of our Party and practical measures for the rapid strengthening of the naval forces, including the building of two destroyers, which are of or above the Choe Hyon class, and the deployment of them in operational waters every year from next year according to the constant view of our Navy that aggression can be prevented when it has the counterattack strength and capability.