(2) AMENDMENT.—Section 502(a) of the Na-
tional Aeronautics and Space Administration Au-
thorization Act of 2010 (Public Law 111–267; 42 
U.S.C. 18352(a)), is amended by striking ‘‘take 
steps to’’. 
SEC. 312. MAINTENANCE OF SERVICE FOR INTERNATIONAL 
SPACE STATION. 
(a) IN GENERAL.—Subject to appropriations for such 
purpose, the Administrator shall maintain a flight cadence 
necessary to support the health and safety of the ISS crew 
and the full and productive utilization of the ISS through 
its operational lifetime, consistent with the certification 
date of the ISS. In maintaining such flight cadence, the 
Administrator shall seek to carry out not less than the 
average annual cadence for the immediately preceding 
three fiscal years of crew and cargo flights on United 
States vehicles certified under NASA’s Commercial Crew 
and Cargo Program as of the date of the enactment of 
this Act. 
(b) WAIVER.—The Administrator may waive the re-
quirement under subsection (a) upon submission of a writ-
ten determination to Congress that— 
(1) the health and safety of the ISS requires a 
reduction in flights; or 
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(2) the ISS has concluded its operational life-
time. 
SEC. 313. NONGOVERNMENTAL HUMAN MISSIONS ON THE 
INTERNATIONAL SPACE STATION. 
(a) SENSE OF CONGRESS.—It is the sense of Con-
gress that— 
(1) nongovernmental human missions on the 
ISS carried out, as appropriate, pursuant to NASA 
policies and procedures, and other Federal Govern-
ment laws and regulations, can provide lessons and 
learning experiences for both government and non-
government entities to inform the development of fu-
ture commercial low-Earth orbit platforms and a 
low-Earth orbit economy; and 
(2) the Administrator should share lessons 
learned from nongovernmental human missions on 
the 
ISS 
to 
advance 
the 
commercial 
human 
spaceflight industry, to promote the safety of future 
commercial low-Earth orbit platforms, and to inform 
the evolution of policies guiding such activities in 
low-Earth orbit. 
(b) NONGOVERNMENTAL HUMAN MISSIONS ON THE 
ISS.—The Administrator may enter into one or more 
agreements to enable one or more United States commer-
cial providers to conduct nongovernmental human mis-
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sions on the ISS pursuant to NASA policies and proce-
dures, and Federal Government laws and regulations. 
(c) REPORT.—Not later than 18 months after the 
date of the enactment of this Act, the Comptroller General 
of the United States shall submit to the appropriate com-
mittees of Congress a report containing information relat-
ing to the following: 
(1) The number of nongovernmental human 
missions on the ISS planned. 
(2) The number of nongovernmental human 
missions on the ISS completed. 
(3) The extent to which commercial entities car-
rying out nongovernmental human missions on the 
ISS fully reimburse costs incurred by NASA in asso-
ciation with any nongovernmental missions carried 
out on the ISS. 
(4) The extent to which nongovernmental 
human missions on the ISS impact the priorities 
specified in section 10816 of the National Aero-
nautics and Space Administration Authorization Act 
of 2022 (Public Law 117–167; 51 U.S.C. 70901 
note). 
(5) The impact, if any, to operations of or ac-
tivities on the ISS that are not related to nongovern-
mental human missions on the ISS. 
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(6) The extent to which any nongovernmental 
human mission on the ISS— 
(A) conforms with section 20102 of title 
51, United States Code; 
(B) adheres to the requirements of section 
50131 of title 51, United States Code; and 
(C) is consistent with the national security 
or foreign policy interests of the United States. 
(7) Any other issues related to nongovern-
mental human missions on the ISS that the Comp-
troller General determines are appropriate for review 
as part of undertaking the report in subsection (c). 
SEC. 314. UNITED STATES DEORBIT CAPABILITIES. 
(a) SENSE OF CONGRESS.—It is the sense of Con-
gress that— 
(1) the ISS is aging and eventually will need to 
be deorbited safely and disposed of in a controlled 
manner; and 
(2) to protect the safety of the public, and to 
avoid interfering with other space operators or ob-
jects, NASA plans to deorbit and disposition the ISS 
through a controlled atmospheric reentry over an 
uninhabited region. 
(b) ACQUISITION OF ISS DEORBIT CAPABILITIES.— 
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(1) IN GENERAL.—The Administrator shall ac-
quire ISS deorbit capabilities from one or more 
United States commercial providers. 
(2) IMPLEMENTATION.—In carrying out para-
graph (1), the Administrator shall, to the greatest 
extent practicable, not reduce or deprioritize NASA 
activities conducted on and in support of the ISS to 
support the acquisition of United States deorbit ca-
pabilities. 
(c) COSTS.— 
(1) INDEPENDENT COST ESTIMATE.—For the 
deorbit capabilities described in subsection (b), the 
Administrator shall obtain, not later than 30 days 
after the date of the enactment of the Act, an inde-
pendent life-cycle cost estimate for such deorbit ca-
pabilities and shall report the results of such esti-
mate and a five-year budget profile to the appro-
priate committees of Congress. 
(2) REPORT.— 
(A) IN GENERAL.—Not later than one year 
after the date of the enactment of this Act, the 
Administrator shall submit to the appropriate 
committees of Congress a report detailing the 
Administration’s 
plan 
for 
the 
financial, 
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