US newest class of Super submarines USS Virginia (SSN 774) Engineering Feat

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US newest class of Super submarines USS Virginia (SSN 774) Engineering Feat

The Virginia class, also known as the SSN-774 class, is a class of submarines (hull classification symbol SSN) in service with the United States Navy.

The Virginia class, also known as the SSN-774 class, is a class of submarines (hull classification symbol SSN) in service with the United States Navy. USS Pennsylvania is a United States.

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