S. Korea's domestically designed and built 3,000-ton Dosan Ahn Chang-ho submarine has successfully crossed the Pacific Ocean, the longest voyage.

S. Korea's domestically designed and built 3,000-ton Dosan Ahn Chang-ho submarine has successfully crossed the Pacific Ocean, the longest voyage.

S. Korea is preparing to publicly unveil a development roadmap for a nuclear-powered attack submarine program after the successful Pacific deployment.

South Korea is stepping up its push to win Canada’s multibillion dollar submarine procurement project by combining a high-profile naval demonstration with expan