This report provides background information and potential oversight issues for Congress on the Columbia-class program, a program to design and build a new class of 12 ballistic missile submarines (SSBNs) to replace the Navy's current force of 14 Ohio-class SSBNs. The Navy has identified the Columbia-class program as the Navy's top priority program, and wants to procure the first Columbia-class boat in FY2021.

This report presents background information and issues for Congress concerning the Navy's force structure and shipbuilding plans. The current and planned size and composition of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navy's shipbuilding plans have been oversight matters for the congressional defense committees for many years. The Navy's proposed FY2018 budget, as amended on May 24, 2017, requests the procurement of nine new ships, including one Gerald R. Ford (CVN-78) class aircraft carrier, two Virginia-class attack submarines, two DDG-51 class destroyers, two Littoral Combat Ships (LCSs), one TAO-205 class oiler, and one towing, salvage, and rescue ship.

This report discusses the 2014 farm bill, which contains 39 programs that received mandatory funding that do not have baseline beyond FY2018. These programs had estimated mandatory spending totaling $2.824 billion over the five-year farm bill.

This report illustrates the appropriations for various parts of the Department of Homeland Security (DHS) for fiscal year 2018 compared with funding levels for fiscal year 2017 in a series of charts and tables.