; and (2) in subsection (e)— (A) in paragraph (2)(A), by striking “2 years” and inserting “150 days as set forth in section 139(l)”; and (B) in paragraph (3)(B)(i), by striking “2 years” and inserting “150 days as set forth in section 139(l)”. 579. Regulatory streamlining Not later than 1 year after the date of enactment of this Act, the Administrator of the Federal Aviation Administration shall issue a final regulation revising section 121.333(c)(3) of title 14, Code of Federal Regulations, to apply only to flight altitudes above flight level 410. 580. Spaceports (a) Sense of Congress on state spaceport contributions It is the Sense of Congress that— (1) State and local government-owned or -operated spaceports have contributed hundreds of millions of dollars in infrastructure improvements to the national space launch infrastructure, providing the United States Government and commercial customers with world-class space launch and processing infrastructure that is necessary to support continued American leadership in space; (2) State and local government-owned or –operated spaceports play a critical role in providing resiliency and redundancy in the national launch infrastructure to support national security and civil government capabilities, and should be recognized as a critical infrastructure in Federal strategy and planning; (3) continued State and local government investments at launch and reentry facilities should be encouraged and to the maximum extent practicable supported in Federal policies, planning and infrastructure investment considerations, including through Federal, State, and local partnerships; (4) Federal investments in space infrastructure should enable partnerships between Federal agencies and state and local spaceports to modernize and enable expanded 21st century space transportation infrastructure, especially multi-modal networks needed for robust space transportation that support national security, civil, and commercial launch customers