S2G reactor
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The S2G reactor was a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The S2G designation stands for:
- S = Submarine platform
- 2 = Second generation core designed by the contractor
- G = General Electric was the contracted designer
This nuclear reactor is the shipboard equivalent of the S1G reactor and was installed on the USS Seawolf (SSN-575) submarine. It is a liquid metal cooled reactor utilizing pure liquid sodium. Due to inherent problems with the concept, the Seawolf was later converted with a S2Wa Nautilus-type pressurized water reactor.
| United States Naval reactors |
| Aircraft carrier reactors: |
| A1W | A2W | A3W | A4W| A1B |
| Cruiser reactors: |
| C1W |
| Destroyer reactors: |
| D1G | D2G |
| Submarine reactors: |
| S1C | S1G | S1W | S2C | S2G | S2W |S2Wa | S3G | S3W S4G | S4W | S5G | S5W | S6G | S6W | S7G | S8G | S9G |
| List of United States Naval reactors |
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