Key Points and Summary - The U.S. Navy's critical Columbia-class ballistic missile submarine program is facing significant delays and cost overruns. -The lead boat, USS District of Columbia, is now ...
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The largest submarine ever built

Conceived at the height of the Cold War, this colossal Soviet submarine was designed to carry more nuclear weapons than any ...
The Navy’s fleet of Ohio-class boats represents the largest submarines ever constructed for the service. The Ohio-class SSGNs are capable of carrying 154 Tomahawk land attack missiles (TLAMs) in ...