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139 STAT. 134 PUBLIC LAW 119–21—JULY 4, 2025 20302 note; Public Law 117–167), of which not less than $750,000,000 shall be obligated for each of fiscal years 2026, 2027, and 2028. ‘‘(3) $4,100,000,000 for expenses related to meeting the requirements of section 10812 of the National Aeronautics and Space Administration Authorization Act of 2022 (51 U.S.C. 20301; Public Law 117–167) for the procurement, transpor- tation, integration, operation, and other necessary expenses of the Space Launch System for Artemis Missions IV and V, of which not less than $1,025,000,000 shall be obligated for each of fiscal years 2026, 2027, 2028, and 2029. ‘‘(4) $20,000,000 for expenses related to the continued procurement of the multi-purpose crew vehicle described in section 303 of the National Aeronautics and Space Administra- tion Authorization Act of 2010 (42 U.S.C. 18323), known as the ‘Orion’, for use with the Space Launch System on the Artemis IV Mission and reuse in subsequent Artemis Missions, of which not less than $20,000,000 shall be obligated not later than fiscal year 2026. ‘‘(5) $1,250,000,000 for expenses related to the operation of the International Space Station and for the purpose of meeting the requirement under section 503(a) of the National Aeronautics and Space Administration Authorization Act of 2010 (42 U.S.C. 18353(a)), of which not less than $250,000,000 shall be obligated for such expenses for each of fiscal years 2025, 2026, 2027, 2028, and 2029. ‘‘(6) $1,000,000,000 for infrastructure improvements at the manned spaceflight centers of the Administration, of which not less than— ‘‘(A) $120,000,000 shall be obligated not later than fiscal year 2026 for construction, revitalization, recapital- ization, or other infrastructure projects and improvements at the center described in Executive Order 12641 (53 Fed. Reg. 18816; relating to designating certain facilities of the National Aeronautics and Space Administration in the State of Mississippi as the John C. Stennis Space Center); ‘‘(B) $250,000,000 shall be obligated not later than fiscal year 2026 for construction, revitalization, recapital- ization, or other infrastructure projects and improvements at the center described in Executive Order 11129 (28 Fed. Reg. 12787; relating to designating certain facilities of the National Aeronautics and Space Administration and of the Department of Defense, in the State of Florida, as the John F. Kennedy Space Center); ‘‘(C) $300,000,000 shall be obligated not later than fiscal year 2026 for construction, revitalization, recapital- ization, or other infrastructure projects and improvements at the center described in the Joint Resolution entitled ‘Joint Resolution to designate the Manned Spacecraft Center in Houston, Texas, as the ‘‘Lyndon B. Johnson Space Center’’ in honor of the late President’, approved February 17, 1973 (Public Law 93–8; 87 Stat. 7); ‘‘(D) $100,000,000 shall be obligated not later than fiscal year 2026 for construction, revitalization, recapital- ization, or other infrastructure projects and improvements at the center described in Executive Order 10870 (25 Fed. Reg. 2197; relating to designating the facilities of the State listing.