North Korea displayed its submarine-launched ballistic missiles (SLBM) for the first time on Saturday ahead of a massive military parade in the capital, Pyongyang.
More than their participation to the annual celebration in the country, the show of strength of the military forces is seen more as Kim's way of sending a clear message to Washington and its allies Tokyo and Seoul, along with other nations, about its nuclear-powered military might.
Source : https://ca.news.yahoo.com/north-korea-displays-submarine-based-missiles-first-time-022724211.html