![]() ![]() ![]() ![]() Some independent estimates of the cost to build the SSBN(X) are higher than the Navy’s estimate of approximately $77 billion (not including research and development).The Navy estimates the total 50-year lifecycle cost at $347 billion. The Navy has since undertaken cost cutting measures, but as of April 2014, it had only reduced the average unit cost to $5.36 billion. The cost of boats 2-12 was initially estimated by the Navy at $6 billion to $7 billion however, the Department of Defense established that the target average cost per submarine should be $4.9 billion. The Navy’s FY2014 30-year shipbuilding plan estimated that the lead boat in the program will cost $12 billion.As a result of the deferment, the Navy will be left with only 10 total boats during the 2030s. The first Ohio-class replacement boat was scheduled to be procured in FY2019, but the Navy’s FY2013 budget deferred its procurement by two years to FY2021, largely due to fiscal constraints in the wake of the passage of the 2011 Budget Control Act.Thus, only 2 SSBN(X)s will be unavailable for service at any given moment. not undergoing maintenance activities) boats at sea at any given time because the SSBN(X) will be built with a life-of-the-ship nuclear reactor core. Only 12 rather than 14 SSBN(X)s will be needed to fulfill the Navy’s current strategic nuclear deterrent requirement of 10 operational (i.e.The remaining 13 boats will reach the end of their service lives at a rate of about one ship per year thereafter. The first of the 14 Ohio-class SSBNs will reach the end of its 42-year service life in 2027.nuclear triad, and are armed with Trident II D-5 submarine-launched ballistic missiles (SLBMs). Ballistic missile submarines (SSBNs) form “the most survivable leg” of the U.S.Navy’s current force of 14 Ohio-class ballistic missile submarines. The Ohio-Class Replacement program, also known as the SSBN(X), is a program to design and build a new class of 12 ballistic missile submarines to replace the U.S. ![]()
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