The U.S. ambassador visited a shipyard of HD Hyundai Heavy Industries Co. on Monday and discussed plans on cooperation between the U.S. and the world's largest shipbuilder, company officials said.Ambassador Philip Goldberg visited the shipyard in Ulsan, 299 kilometers southeast of Seoul, to explore possible areas of cooperation, the company said in a statement.During the visit, Goldberg said that he believes the U.S. and HD Hyundai have potential to build partnerships in the commercial and naval vessel sectors, according to the company.Goldberg also toured the construction site of next-generation Aegis destroyers, as well as other key facilities, it added.The visit came after the shipbuilder signed the Master Ship Repair Agreement with the U.S. Navy in July, paving the way for the company to enter the U.S. naval ship maintenance, repair, and overhaul market.Source: Yonhap News Agency