is amended— (1) in subsection (a), by striking under its structure and all that follows through the period and inserting through September 30, 2028, under its structure as in effect on March 1, 2023, which shall focus on applied research and training on the safe use of composites and advanced materials in airframe structures. The Center shall also conduct research and development into aircraft structure crash worthiness and passenger safety, as well as address safe and accessible air travel of individuals with a disability (as defined in section 382.3 of title 14, Code of Federal Regulations (or any successor regulation)), including materials required to facilitate safe wheelchair restraint systems on commercial aircraft. The Administrator shall award grants to the Center within 90 days from the date the Grants Officer recommends a proposal for award to the Administrator.