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The S9G reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on Virginia class submarines. The S9G designation stands for:
This pressurized water reactor style nuclear reactor, built by General Electric, is designed to have increased energy density, and new plant components, including a new steam generator design featuring improved corrosion resistance and reduced life-cycle costs. This steam generator will alleviate the corrosion concerns encountered in existing designs of steam generators, while reducing component size and weight and providing greater flexibility in overall arrangement.
