To reduce the number of nuclear-armed submarines operated by the Navy, to prohibit the development of a new long-range penetrating bomber aircraft, to prohibit the procurement of new intercontinental ballistic missiles, and for other purposes.

Reduce Expenditures in Nuclear Infrastructure Now Act or the REIN-IN Act - Prohibits the obligation or expenditure of funds authorized to be appropriated to the Department of Defense (DOD) for FY2014-FY2023: (1) for the research, development, test, and evaluation (RDT&E) or procurement of a long-range penetrating bomber aircraft; (2) to procure an SSBN-X submarine (and prohibits the use...