; and (ii) upon written or electronic notification to appropriate committees of Congress not later than 30 days after any such waiver. (5) Airspace operations system The Administrator of the National Oceanic and Atmospheric Administration, in cooperation with the Administrator of the National Aeronautics and Space Administration, shall utilize the capabilities of unmanned aircraft systems as appropriate for fire weather and fire environment observations, and may use a wildfire airspace operations system that accounts for piloted aircraft, unmanned aircraft systems, and other new and emerging capabilities after such airspace operations system is developed and determined ready for operational use by the Administrator of the National Aeronautics and Space Administration. (6) Authorization of appropriations There is authorized to be appropriated $5,000,000 for fiscal year 2025 to carry out this subsection. (j) Definitions In this section: (1) Appropriate committees of Congress The term appropriate committees of Congress means the Committee on Science, Space, and Technology and the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation and the Committee on Homeland Security and Governmental Affairs of the Senate. (2) Critical infrastructure The term critical infrastructure has the meaning given such term in section 1016(e) of Public Law 107–56 ( 42 U.S.C. 5195c(e) ). (3) Foreign country of concern The term foreign country of concern has the meaning given such term in section 9901 of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( 15 U.S.C. 4651 ). (4) Institution of higher education The term institution of higher education has the meaning given such term in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ). (5) Unmanned aircraft system The term unmanned aircraft system has the meaning given such term in section 44801 of title 49, United States Code. (6) Weather industry The term weather