Summary and Key Points: The U.S. Navy’s Columbia-class ballistic missile submarines are designed to replace the aging Ohio-class and sustain America’s most survivable nuclear deterrent for decades.
Key Points and Summary - Four converted Ohio-class SSGNs—Ohio, Michigan, Florida, and Georgia—retire between 2026–2028, removing up to 616 undersea Tomahawk cells and unmatched support for covert ...
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