SAN DIEGO, Dec. 3, 2025 /PRNewswire/ -- General Dynamics NASSCO, a business unit of General Dynamics (NYSE:GD), and its long-term partner, DSEC Co., Ltd., together with Samsung Heavy Industries Co., Ltd. (SHI) of South Korea announced today the signing of a tri-party Memorandum of Agreement – joining forces to collaborate on their industry leading ship design and manufacturing automation and technology in the U.S. market.