S4G reactor
= S4G reactor
{wiki=S4G_reactor}
The S4G reactor is a type of naval propulsion reactor developed for use in submarines, particularly within the United States Navy. It represents an evolution in submarine reactor technology, offering advancements in safety, efficiency, and power output. The S4G reactor is a pressurized water reactor (PWR) designed to provide the necessary power for propulsion and onboard systems in submarines.