; (2) $52,500,000 for fiscal year 2025; (3) $55,125,000 for fiscal year 2026; (4) $57,881,775 for fiscal year 2027; and (5) $60,775,863 for fiscal year 2028. V National Aeronautics and Space Administration Activities 501. National Aeronautics and Space Administration activities (a) In general The Administrator of the National Aeronautics and Space Administration, in consultation with the Administrator of the Federal Aviation Administration and other relevant Federal agencies, shall direct research and technological development to facilitate the safe integration of advanced air mobility and unmanned aircraft systems into the National Airspace System, including— (1) positioning and navigation systems; (2) sense and avoid capabilities; (3) secure data and communication links; (4) flight recovery systems; (5) human systems integration