US navy looks at next generation SSNX submarines and 200 mile range torpedoes

The U.S. Navy is starting early preparation work to design a new nuclear attack submarine to replace the Virginia-class boats (SSN-774) in the 2030s. The new attack boat would become operational in 2044 after the last Block VII Virginias are built.

Nine years to identify, design and demonstrate the new technologies the new attack boat will need.

Johnson said that he has formed a small team to work on a five-year plan to begin to do some of that work. The team will consult with industry and will identify the threat environment and technologies the submarine will need to operate against in the 2050 plus timeframe, Johnson said.

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