![]() The submarine was moved out of a construction facility into. Starting in 2022, Congress has to decide whether to accept, reject or ask for a modification of the navy’s funding requests and acquisition strategy for the SSN(X) program. Newport News Shipbuilding successfully launched Indiana (SSN 789) into the James River June 3-4. The designation SSN is used for interoperability throughout NATO under STANAG 1166, 2 though navies use other terms. SSN is the US Navy hull classification symbol for such vessels the SS denotes a submarine 1 and the N denotes nuclear power. ![]() The navy has pegged the estimated cost of the new submarine at $5.8 billion per unit in “constant FY2021 dollars.” The Congressional Budget Office (CBO), however, estimates that a single submarine will cost $6.2 billion.Ĭongress approved $1 million this year for initial research and development funding for the project. An SSN is a nuclear-powered general-purpose attack submarine. The design of the new underwater vessel will be broadly based on either of the three options: “The Virginia-class SSN design, a design based on the Columbia-class nuclear-powered ballistic missile submarine design, or a brand new design.” Procurement Cost The SSN(X) program, also known as the Next-Generation Attack Submarine program, is a United States Navy program to develop a class of nuclear attack submarines to succeed its Virginia-class and Seawolf-class attack submarines. Unlike the Virginia-class, which was designed for “multi-mission dominance in the littoral,” the SSN(X) will be designed for “greater transit speed under increased stealth conditions in all ocean environments, and carry a larger inventory of weapons and diverse payloads.” A ballistic missile submarine is a submarine capable of deploying submarine-launched ballistic missiles (SLBMs) with nuclear warheads. Since FY2011, the Navy has been procuring them at a rate of two boats per year. Virginia-Class Program As mentioned above, the Navy has been procuring Virginia-class SSNs since FY1998. While the SSN(X) will retain the Virginia-class attributes of multi-mission capability and sustained combat presence in “denied waters,” the new focus will be on “anti-submarine warfare missions against sophisticated threats in greater numbers.” The SSNs are general-purpose submarines that can perform a variety of peacetime and wartime missions. The new submarine will be designed keeping in mind “the emerging threat posed by near-peer adversary competition for undersea supremacy.”
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