LIMITATION ON DIVESTMENT OF F-15 AIRCRAFT.

SEC. 150. LIMITATION ON DIVESTMENT OF F-15 AIRCRAFT. (a) Limitation.—Beginning on October 1, 2023, the Secretary of the Air Force may not divest, or prepare to divest, any covered F-15 aircraft until a period of 180 days has elapsed following the date on which the Secretary submits the report required under subsection (b). (b) Report Required.—The Secretary of the Air Force shall submit to the congressional defense committees a report on the following: (1) Any plans of the Secretary to divest covered F-15 aircraft during the period covered by the most recent future-years defense program submitted to Congress under section 221 of title 10, United States Code, including— (A) a description of each proposed divestment by fiscal year and location; (B) an explanation of the anticipated effects of such divestments on the missions, personnel, force structure, and budgeting of the Air Force; (C) a description of the actions the Secretary intends to carry out— (i) to mitigate any negative effects identified under subparagraph (B); and (ii) to modify or replace the missions and capabilities of any units and military installations affected by such divestments; (D) an assessment of how such divestments may affect the ability of the Air Force to maintain minimum tactical aircraft inventories; and (E) for each F–15E aircraft that the Secretary plans to divest, a description of— (i) each upgrade and modification made to such aircraft, including— (I) the date of the upgrade or modification; and (II) the cost of such upgrade or modification in current year dollars; and (ii) the estimated remaining service-life (expressed as equivalent flight hours and years) of— (I) the aircraft; and (II) the onboard systems of the aircraft. (2) Any plans of the Secretary to procure covered F-15 aircraft. (3) Any specific plans of the Secretary to deviate from procurement of new F-15EX aircraft as articulated by the validated requirements contained in Air Force Requirements Decision Memorandum, dated February 1, 2019, regarding F-15EX Rapid Fielding Requirements Document, dated January 16, 2019. (c) Annual Updates.—Not later than October 1, 2024, and not later than October 1 of each year thereafter through 2029, the Secretary of the Air Force shall— (1) update the report required under subsection (b); and (2) submit the updated report to the congressional defense committees. (d) Covered F-15 Aircraft Defined.—In this section, the term “covered F-15 aircraft” means the following: (1) F-15C aircraft. (2) F-15D aircraft. (3) F-15E aircraft. (4) F-15EX aircraft.