; and (2) recommendations to Congress and communities on action that can be taken to improve or restore scheduled commercial service to small communities. (e) Funding No funding made available to carry out subchapter II of chapter 417 of title 49, United States Code, may be used to carry out this section. VI Modernizing the National Airspace System 601. Instrument landing system installation (a) In general Not later than January 1, 2025, the Administrator shall expedite the installation of at least 15 instrument landing systems (in this section referred to as ILS ) in the national airspace system by utilizing the existing ILS contract vehicle and the employees of the FAA. (b) Requirements In carrying out subsection (a), the Administrator shall— (1) incorporate lessons learned from installations under section 44502(a)(4) of title 49, United States Code; (2) record metrics of cost and time savings of expedited installations; (3) consider opportunities to further develop ILS technical expertise among the employees of the FAA; and (4) consider the cost-benefit analysis of utilizing the existing ILS contract vehicle, the employees of the FAA, or both, to accelerate the installation and deployment of procured equipment. (c) Briefing to Congress Not later than June 30, 2025, the Administrator shall brief the appropriate committees of Congress— (1) on the installation of ILS under this section; (2) describing any planned near-term ILS installations