These 5 Submarines Could Destroy Entire Countries. Here Is What They Can Do.
The Ohio-class submarine is an aging design despite its formidable capabilities and the first of the class are reaching the end of their 42-year service lives. To replace the Ohio-class, the United States Navy is building the new Columbia-class boomer. The new SSBNs are slightly larger than the Ohio-class at a displacement of 20,800 tons, but the vessels only have 16 Trident II D5 missiles onboard. Most of the vessels’ massive size is taken up by a new life-of-the-boat reactor and permanent magnet motor drive, which while extremely quiet, is also enormous. The new vessels are largely based on technology from the Virginia class attack submarines and leverages many of the smaller boats’ systems. Indeed, in some respects, the Columbia is an enlarged advanced derivative of the excellent Virginia-class design. Construction will start in 2021 while the first boat will enter service in 2031.
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