To amend title 10, United States Code, to prohibit the Secretary of a military department from entering into a lease of real property for the use of the department unless the Secretary first certifies that facilities of real property owned by the United States may not be reconfigured to support the purpose of the proposed lease in an appropriate and cost-effective manner, to require the Secretary of the Defense to provide more accurate information on the costs incurred in leasing real property for the use of the Department of Defense, and for other purposes.