S2W reactor
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The S2W reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The S2W designation stands for:
- S = Submarine platform
- 2 = Second generation core designed by the contractor
- W = Westinghouse was the contracted designer
This nuclear reactor is the shipboard equivalent of the prototype S1W reactor, with minor design changes, that was installed on the USS Nautilus SSN-571.
After Nautilus was decommissioned, the reactor equipment was removed. The submarine is now moored and displayed as a museum ship at the Naval Submarine Base New London in Groton, Connecticut.
| United States Naval reactors |
| Aircraft carrier reactors: |
| A1B | A1W | A2W | A3W | A4W |
| 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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