SEOUL - South Korea's military has initiated the formal process to acquire nuclear-powered submarines, a Navy document showed Wednesday, amid little progress in security talks with the United States over Seoul's push for the project.The Navy recently submitted the document to the Joint Chiefs of Staff (JCS) outlining the need for the program and specifying requirements, such as desired capabilities, the number of systems needed and projected deployment schedules, according to the document provided to Rep. Kang Dae-sik of the main opposition People Power Party.The U.S. gave approval for Sout…READ FULL ARTICLE