TRANS-HAB.

SEC. 127. TRANS-HAB. (a) Replacement Structure.—No funds authorized by this Act shall be obligated for the definition, design, procurement, or development of an inflatable space structure to replace any International Space Station components scheduled for launch in the Assembly Sequence adopted by the National Aeronautics and Space Administration in June 1999. (b) Exception.—Notwithstanding subsection (a), nothing in this Act shall preclude the National Aeronautics and Space Administration from leasing or otherwise using a commercially provided inflatable habitation module, if such module would— (1) cost the same or less, including any necessary modifications to other hardware or operating expenses, than the remaining cost of completing and attaching the baseline habitation module; (2) impose no delays to the Space Station Assembly Sequence; and (3) result in no increased safety risk. (c) Report.—Notwithstanding subsection (a), the National Aeronautics and Space Administration shall report to the Congress by April 1, 2001, on its, findings and recommendations on substituting any inflatable habitation module, or other inflatable structures, for one of the elements included in the Space Station Assembly Sequence adopted in June 1999.