; and (2) carbon neutral growth. (d) Annual report Not later than June 1 of every year, the Administrator shall submit a report identifying the activities carried out under the research effort under subsection (a) and the progress toward meeting the goals identified in subsection (c). 502. Workshop on research and development on noise (a) Workshop The Administrator shall organize a workshop on the status of existing research and technology activities, and to identify planned research and technology demonstration activities and opportunities for future research and development activities, including noiseless aircraft, related to reducing the noise effects from subsonic aircraft, urban air mobility and uncrewed aviation systems, supersonic aircraft, and commercial space launch vehicles. (b) Participants The Workshop described in subsection (a) shall include participants from relevant Federal government agencies, industry, academia, and nongovernmental organizations. (c) Report The Administrator shall transmit a report on the results of the workshop to the Committee on Science, Space, and Technology of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate not later than 18 months after the date of enactment of this Act. 503. Aeronautics research and technology roundtable It is the sense of Congress that the National Academies Aeronautics Research and Technology Round Table has been a valuable forum for industry, academia, and government to share knowledge, define strategic issues, identify research topics of interest, and provide input into NASA’s Aeronautics Research Mission Directorate’s agenda. It is the further sense of Congress, that the Administrator should continue to support the Roundtable to facilitate continuing partnerships in United States aeronautics research going forward. 504. Experimental aircraft demonstrations (a) In general The Administrator shall study, develop, and carry out large-scale testing and demonstrations in relevant environments that are