National Security Adviser Wi Sung-lac said Tuesday that he plans to discuss with U.S. counterparts about South Korea's push to build nuclear-powered submarines and other follow-up measures to the summit between President Lee Jae Myung and U.S. President Donald Trump in late October. Wi made the remarks as he was set to depart for Washington, adding that the agenda on his visit to the United States also included Seoul's drive to secure uranium enrichment and spent nuclear fuel reprocessing capabilities. The trip comes about a month after the allies released a joint fact sheet outlining trade and security agreements reached during the second Lee-Trump summit in South Korea's southeastern city of Gyeongju on Oct. 29, ahead of the Asia-Pacific Economic Cooperation summit. With regard to the U.S. approval for South Korea to build nuclear-powered submarines, Wi said he "plans to discuss how the U.S. side is being prepared." "There are issues related to (U.S.) Congress to push for nuclear-powered submarines, so I will look at those issues as well," Wi told reporters. "I think it is time to give