The situation and progress of the U.S. Navy's next-generation ballistic missile nuclear submarines. First, let's take a look at this class of submarines, the name of which looks similar to the Columbia SSN-771 Chinese translated but with a different meaning

The situation and progress of the U.S. Navy's next-generation ballistic missile nuclear submarines.

Let's start by looking at this class of submarines, whose name is similar to columbia SSN-771 Chinese translated but with a different meaning. The purpose is to replace the Ohio-class ballistic missile nuclear submarine, which is about the same size and class, slightly thicker in diameter, and the crew size is basically the same.

The inaugural yacht, the Columbia SSBN-826, was laid two months ago at General Dynamics Electric Ships, but the keel was welded to the CMC module of the core segmented universal missile launch module before the laying of the keel, in order to reduce the risk of extension of the entire program. Delivery is scheduled for 2028, with the first patrol mission starting in 2031.

Each CMC module contains 4 launch tubes, for a total of 4 modules, which means that the D.C. ballistic missile submarine has 16 launch tubes, but the Ohio class has 24 launch tubes. So the firepower should be reduced.

Before the development of the new ballistic missile system, the old Trident IID5 missile was basically used, and the research and life continued.

The Columbia class will also share the systems and components of the Virginia-class attack submarine, and in order to reduce the cost and risk of R&D and manufacturing, even include nuclear reactors - no medium-term reactor refueling is required.

It seems that "the landlord's family also knows how to be diligent and thrifty in running the family."

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