; (B) opportunities for— (i) demonstrating United States global leadership in aeronautics, including hypersonic aircraft and related technologies; and (ii) strengthening global harmonization in aeronautics; and (C) the development of international policies, regulations, and standards relating to the certification and safe operation of hypersonic aircraft. (4) Consultation In conducting the study under paragraph (1), the Administrator shall consult with representatives from Federal agencies, industry, and other stakeholders, including— (A) the National Aeronautics and Space Administration; (B) the Department of Defense; (C) aircraft manufacturers; (D) institutions of higher education