SEOUL, March 5 (Reuters) – North Korean leader Kim Jong Un said the ‌navy would have a “powerful offensive capability” as he visited a 5,000-ton destroyer and oversaw a missile test , state media KCNA reported on Thursday. Kim has ​pledged to keep modernizing the Navy’s fleet to ​boost the country’s maritime power in the Pacific ⁠Ocean, citing what he called provocations by the US ​and its allies. “Every year during the new five-year plan period, ​we must build two surface warships of this