H. R. 5009—527 
contract or subcontract by the Federal Government or through 
a contractor of the Administration.’’. 
(b) CLERICAL AMENDMENT.—The table of contents at the begin-
ning of the Atomic Energy Defense Act is amended by inserting 
after the item relating to section 4833 the following new item: 
‘‘Sec. 4834. Authority to use passenger carriers for contractor commuting.’’. 
SEC. 3114. AUTHORIZATION FOR MODIFICATION OF B61-13 NUCLEAR 
WEAPON. 
The Secretary of Energy, acting through the Administrator 
for Nuclear Security, is authorized to carry out such efforts as 
required to modify or develop the B61-13 nuclear weapon. 
SEC. 3115. LIMITATION ON AVAILABILITY OF FUNDS PENDING SUBMIS-
SION OF INFORMATION ON STREAMLINING NATIONAL 
NUCLEAR SECURITY ADMINISTRATION CONTRACTING. 
Of the funds authorized to be appropriated by this Act for 
fiscal year 2025 for Program Direction, NNSA Federal Salaries 
and Expenses, Headquarters, Travel, not more than 90 percent 
may be obligated or expended until the date on which the Adminis-
trator for Nuclear Security submits the report on streamlining 
requirements of the National Nuclear Security Administration with 
respect to contracting, procurement, construction, and material 
acquisition required by the report of the Committee on Armed 
Services of the Senate accompanying S.2226 of the 118th Congress 
(Senate Report 118–58). 
SEC. 3116. LIMITATION ON USE OF FUNDS FOR NAVAL NUCLEAR FUEL 
SYSTEMS BASED ON LOW-ENRICHED URANIUM. 
None of the funds authorized to be appropriated by this Act 
or otherwise made available for fiscal year 2025 for the National 
Nuclear Security Administration may be obligated or expended 
for the purposes of conducting research and development of an 
advanced naval nuclear fuel system based on low-enriched uranium 
until— 
(1) the Secretary of Energy and the Secretary of Defense 
submit to the congressional defense committees a determination 
as to whether the determination made by the Secretary of 
Energy and the Secretary of Defense pursuant to section 
3118(c)(1) of the National Defense Authorization Act for Fiscal 
Year 2016 (Public Law 114–92; 129 Stat. 1196) and submitted 
to the congressional defense committees on March 25, 2018, 
that the United States should not pursue such research and 
development, remains valid; and 
(2) the Secretary of the Navy submits to the congressional 
defense committees a determination as to whether an advanced 
naval nuclear fuel system based on low-enriched uranium that 
would not reduce vessel capability, increase expense, or reduce 
operational availability as a result of refueling requirements 
can be produced. 
SEC. 3117. PROHIBITION ON AVAILABILITY OF FUNDS TO RECONVERT 
OR RETIRE W76–2 WARHEADS. 
(a) PROHIBITION.—Except as provided in subsection (b), none 
of the funds authorized to be appropriated by this Act or otherwise 
made available for fiscal year 2025 for the National Nuclear Secu-
rity Administration may be obligated or expended to reconvert 
or retire a W76–2 warhead.
H. R. 5009—528 
(b) WAIVER.—The Administrator for Nuclear Security may 
waive the prohibition under subsection (a) if the Administrator, 
in consultation with the Secretary of Defense and the Chairman 
of the Joint Chiefs of Staff, certifies in writing to the congressional 
defense committees that— 
(1) Russia and China do not possess naval capabilities 
similar to the W76–2 warhead in the active stockpiles of the 
respective countries; and 
(2) the Department of Defense does not have a valid mili-
tary requirement for the W76–2 warhead. 
Subtitle C—Reports and Other Matters 
SEC. 3121. MODIFICATION TO AND TERMINATION OF CERTAIN 
REPORTING REQUIREMENTS UNDER ATOMIC ENERGY 
DEFENSE ACT. 
(a) PLAN
FOR
CONSTRUCTION
AND
OPERATION
OF
MOX 
FACILITY.—Section 4306 of the Atomic Energy Defense Act (50 
U.S.C. 2566(a)(3)) is amended in subsection (a)(3)(A) by striking 
‘‘for as long as the MOX facility is in use’’ and inserting ‘‘through 
2024’’. 
(b) PLANNED DISPOSITION PROGRAM.—Such section is further 
amended in subsection (e) by striking ‘‘If on July 1 each year 
beginning in 2025 and continuing for as long as the MOX facility 
is in use, less than 34 metric tons of defense plutonium or defense 
plutonium materials have been processed by the MOX facility, 
the Secretary shall submit to Congress a plan for—’’ and inserting 
‘‘If less than 34 metric tons of defense plutonium or defense pluto-
nium materials have been processed by the MOX facility by October 
1, 2026, the Secretary shall, not later than December 1, 2026, 
and on a biennial basis thereafter, submit to Congress a plan 
for—’’. 
SEC. 3122. MODIFICATION OF REPORTING REQUIREMENTS RELATING 
TO COST-BENEFIT ANALYSES FOR COMPETITION OF 
MANAGEMENT AND OPERATING CONTRACTS. 
Section 4807(e) of the Atomic Energy Defense Act (50 U.S.C. 
2787(e)) is amended to read as follows: 
‘‘(e) REVIEW OF REPORTS BY COMPTROLLER GENERAL OF THE 
UNITED STATES.— 
‘‘(1) DETERMINATION.—The Comptroller General of the 
United States shall determine, in consultation with the congres-
sional defense committees, whether to conduct an initial review, 
a comprehensive review, or both, of a report required by sub-
section (b). 
‘‘(2) INITIAL REVIEW.—The Comptroller General shall pro-
vide any initial review of a report required by subsection (b) 
as a briefing to the congressional defense committees not later 
than 180 days after that report is submitted to the congres-
sional defense committees. 
‘‘(3) COMPREHENSIVE REVIEW.— 
‘‘(A) SUBMISSION.—The Comptroller General shall 
submit any comprehensive review of a report required by 
subsection (b) to the congressional defense committees not 
later than 3 years after that report is submitted to the 
congressional defense committees.
H. R. 5009—529 
‘‘(B) ELEMENTS.—A comprehensive review of a report 
required by subsection (b) shall include an assessment, 
based on the most current information available, of the 
following: 
‘‘(i) The actual cost savings achieved compared to 
cost savings estimated under subsection (c)(1), and any 
increased costs incurred under the contract that were 
unexpected or uncertain at the time the contract was 
awarded. 
‘‘(ii) Any disruptions or delays in mission activities 
or deliverables resulting from the competition for the 
contract compared to the disruptions and delays esti-
mated under subsection (c)(4). 
‘‘(iii) Whether expected benefits of the competition 
with respect to mission performance or operations have 
been achieved. 
‘‘(iv) Such other matters as the Comptroller Gen-
eral considers appropriate.’’. 
SEC. 3123. RESTORATION OF A DOMESTIC URANIUM ENRICHMENT 
CAPABILITY. 
(a) IN GENERAL.—Not later than 90 days after the date of 
the enactment of this Act, the Secretary of Energy, acting through 
the Administrator for Nuclear Security, shall conduct an assessment 
to evaluate at least 2, but not more than 4, geographically disparate 
possible locations in the United States that would by 2035 be 
best suited to host a modular, scalable facility for the domestic 
enrichment of unencumbered uranium, including highly-enriched 
uranium suitable for defense applications. 
(b) REPORT REQUIRED.—Not later than 150 days after com-
mencing the assessment required by subsection (a), the Secretary 
of Energy, acting through the Administrator for Nuclear Security, 
shall submit to the congressional defense committees a report 
describing the results of such assessment, including— 
(1) an initial cost assessment and schedule for the construc-
tion of at least one facility beginning not later than January 
1, 2027; and 
(2) a statement declaring a preferred location or locations 
from among the locations evaluated pursuant to subsection 
(a). 
SEC. 3124. REPORT ON ACTIVITIES FROM U.S.–U.K. MUTUAL DEFENSE 
AGREEMENT. 
(a) IN GENERAL.—Not later than March 31, 2025, and annually 
thereafter until March 31, 2030, the Administrator for Nuclear 
Security shall submit to the congressional defense committees a 
briefing on the activities taken under the Agreement Between the 
Government of the United States of America and the Government 
of the United Kingdom of Great Britain and Northern Ireland 
for Cooperation on the Uses of Atomic Energy for Mutual Defense 
Purposes, done at Washington July 3, 1958 (commonly known as 
the ‘‘U.S.-U.K. Mutual Defense Agreement’’). 
(b) BRIEFING CONTENTS.—A briefing under subsection (a) shall 
include for the preceding calendar year— 
(1) a brief overview of major lines of effort, including spe-
cific activities of note; 
(2) a list of any exchange, barter, or sale of nuclear and 
related materials;
H. R. 5009—530 
(3) a description of the relationship, if any with AUKUS; 
(4) a summary of key scientific exchanges and test events; 
and 
(5) such other information as the Administrator considers 
necessary. 
SEC. 3125. NOTIFICATION OF CERTAIN REGULATIONS THAT IMPACT 
THE NATIONAL NUCLEAR SECURITY ADMINISTRATION. 
(a) IN GENERAL.—If a director of a national security laboratory 
of the National Nuclear Security Administration determines that 
a Federal regulation could inhibit the ability of the Administrator 
for Nuclear Security to maintain the safety, security, or effectiveness 
of the nuclear weapons stockpile without engaging in explosive 
nuclear testing, such director, not later than 15 days after making 
such determination, shall submit to Congress a notification of such 
determination. 
(b) FORM.—Each notification required by subsection (a) shall 
be submitted in unclassified form, but may include a classified 
annex. 
TITLE XXXII—DEFENSE NUCLEAR 
FACILITIES SAFETY BOARD 
Sec. 3201. Authorization. 
SEC. 3201. AUTHORIZATION. 
There are authorized to be appropriated for fiscal year 2025, 
$47,210,000 for the operation of the Defense Nuclear Facilities 
Safety Board under chapter 21 of the Atomic Energy Act of 1954 
(42 U.S.C. 2286 et seq.). 
TITLE XXXIV—NAVAL PETROLEUM 
RESERVES 
Sec. 3401. Authorization of appropriations. 
SEC. 3401. AUTHORIZATION OF APPROPRIATIONS. 
(a) AMOUNT.—There are hereby authorized to be appropriated 
to the Secretary of Energy $13,010,000 for fiscal year 2025 for 
the purpose of carrying out activities under chapter 869 of title 
10, United States Code, relating to the naval petroleum reserves. 
(b) PERIOD OF AVAILABILITY.—Funds appropriated pursuant to 
the authorization of appropriations in subsection (a) shall remain 
available until expended. 
TITLE XXXV—MARITIME 
ADMINISTRATION 
Subtitle A—Maritime Administration 
Sec. 3501. Authorization of appropriations for Maritime Administration. 
Sec. 3502. Reauthorization of Maritime Security Program. 
Subtitle B—Maritime Infrastructure 
Sec. 3511. Port infrastructure development program. 
Sec. 3512. Assessment of United States sealift capability.