Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress

Ronald O'Rourke
Specialist in Naval Affairs

The planned size of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navy's shipbuilding plans have been matters of concern for the congressional defense committees for the past several years. 

The Navy's FY2011 budget submission retains, for the time being at least, the goal of achieving and maintaining a 313-ship fleet that the Navy first presented to Congress in February 2006. Although the 313-ship goal remains in place, some elements of Navy ship force planning that have emerged since 2006 appear to diverge from elements of the 313-ship plan. The Navy's report on its FY2011 30-year (FY2011-FY2040) shipbuilding plan refers to a forthcoming force structure assessment (FSA). Such an assessment could produce a replacement for the 313-ship plan. It is not clear when the FSA might be conducted, or when a replacement for the 313-ship plan might be issued. 

The Navy's proposed FY2011 budget requests funding for the procurement of nine new battle force ships (i.e., ships that count against the 313-ship goal). The nine ships include two attack submarines, two destroyers, two Littoral Combat Ships (LCSs), one amphibious assault ship, one Mobile Landing Platform (MLP) ship (i.e., a maritime prepositioning ship), and one Joint High Speed Vessel (JHSV). 

The Navy's five-year (FY2011-FY2015) shipbuilding plan includes a total of 50 new battle force ships, or an average of 10 per year. Of the 50 ships in the plan, half are relatively inexpensive LCSs or JHSVs. 

The Navy's FY2011 30-year (FY2011-FY2040) shipbuilding plan includes 276 ships. The plan does not include enough ships to fully support all elements of the 313-ship plan over the long run. The Navy projects that implementing the 30-year plan would result in a fleet that grows from 284 ships in FY2011 to 315 ships in FY2020, reaches a peak of 320 ships in FY2024, drops below 313 ships in FY2027, declines to 288 ships in FY2032-FY2033, and then increases to 301 ships in FY2039-FY2040. The Navy projects that the attack submarine and cruiser-destroyer forces will drop substantially below required levels in the latter years of the 30-year plan. 

The Navy estimates that executing the 30-year shipbuilding plan would require an average of $15.9 billion per year in constant FY2010 dollars. A May 2010 Congressional Budget Office (CBO) report estimates that the plan would require an average of $19.0 billion per year in constant FY2010 dollars, or about 19% more than the Navy estimates. The CBO report states: "If the Navy receives the same amount of funding for ship construction in the next 30 years as it has over the past three decades—an average of about $15 billion a year in 2010 dollars—it will not be able to afford all of the purchases in the 2011 plan."


Date of Report: August 17, 2010
Number of Pages: 36
Order Number: RL32665
Price: $29.95

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