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:

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