; and (ii) a review of the viability of the operational business case, including— (I) the level of expected Government participation; (II) a list of anticipated nongovernmental an international customers and associated contributions; and (III) an assessment of long-term sustainability for the nongovernmental customers, including an independent assessment of the viability of the market for such commercial services or products. 212. Maintaining a national laboratory in space (a) Sense of Congress It is the sense of Congress that— (1) the United States segment of the International Space Station (as defined in section 70905 of title 51, United States Code), which is designated as a national laboratory under section 70905(b) of title 51, United States Code— (A) benefits the scientific community and promotes commerce in space; (B) fosters stronger relationships among NASA and other Federal agencies, the private sector, and research groups and universities; (C) advances science, technology, engineering, and mathematics education through use of the unique microgravity environment; and (D) advances human knowledge and international cooperation; (2) after the ISS is decommissioned, the United States should maintain a national microgravity laboratory in space; (3) in maintaining a national microgravity laboratory in space, the United States should make appropriate accommodations for different types of ownership and operation arrangements for the ISS and future space stations; (4) to the maximum extent practicable, a national microgravity laboratory in space should be maintained in cooperation with international space partners