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The upcoming Columbia-class (formerly known as the Ohio Replacement Submarine and SSBN-X Future Follow-on Submarine) nuclear-powered ballistic missile submarines of the United States Navy are designed to replace the Ohio class. [7] Construction of the first vessel began on 1 October 2020. [8] She is scheduled to enter service in 2031. [9] [10] [11]
The US Navy has a total of 18 Ohio-class submarines which consist of 14 ballistic missile submarines (SSBNs), and four cruise missile submarines (SSGNs). The SSBN submarines provide the sea-based leg of the U.S. nuclear triad. Each SSBN submarine is armed with up to 20 Trident II submarine-launched ballistic missiles (SLBM).
Along with the Columbia-class ballistic missile submarine, the SSN(X) program is seen as a critical component of the Navy's future submarine force and is expected to play a key role in maintaining American naval superiority in the coming decades. Despite projected schedules, it is not yet clear when the SSN(X) program will be fully developed ...
The White House just asked Congress for an emergency $7.3 billion to cover costs on nuclear attack submarines to prey on China, plus the new Columbia-class nuclear missile "boomers" that will ...
At the time, Navy leadership expressed concern that delays facing the Virginia-class vessels could bleed into the development timeline for the new Columbia-class ballistic missile submarines ...
Note: Several boats were converted into cruise missile submarines after construction, the USS Halibut was the only purpose built SSGN of the US Navy Class Name No. First boat laid down Last boat commissioned Notes Picture/Silhouette Halibut: 1 11 April 1957 4 January 1960 Unique submarine; Regulus missile submarine
There are 18 total Ohio-class submarines, 14 ballistic missile submarines (SSBN) and four guided-missile submarines (SSGN). The four SSGNs in the class are: USS Ohio, USS Michigan, USS Florida and ...
The first sea-based missile deterrent forces were a small number of conventionally powered cruise missile submarines and surface ships fielded by the United States and the Soviet Union in the 1950s, deploying the Regulus I missile and the Soviet P-5 Pyatyorka (also known by its NATO reporting name SS-N-3 Shaddock), both land attack cruise missiles that could be launched from surfaced submarines.