925 
‘‘(b) CERTAIN PROGRAMS.—(1) The Administrator, in 
coordination with the Chairman of the Nuclear Weapons 
Council, shall ensure that each program described in para-
graph (2) incorporate integrated designs compatible with 
the Integrated Surety Architecture program. 
‘‘(2) A program described in this subsection is a pro-
gram of the Administration that is a warhead development 
program, a life extension program, or a warhead major al-
teration program. 
‘‘(c) DETERMINATION.—(1) If, on a case-by-case basis, 
the Administrator determines that a shipment under sub-
section (a) will not incorporate some or all of the surety 
technologies described in such subsection, or that a program 
under subsection (b) will not incorporate some or all of the 
integrated designs described in such subsection, the Admin-
istrator shall submit such determination to the congres-
sional defense committees, including the results of an anal-
ysis conducted pursuant to paragraph (2). 
‘‘(2) Each determination made under paragraph (1) 
shall be based on a documented, system risk analysis that 
considers security risk reduction, operational impacts, and 
technical risk. 
‘‘(e) TERMINATION.—The requirements of subsections 
(a) and (b) shall terminate on December 31, 2029.’’. 
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(b) CLERICAL AMENDMENT.—The table of contents for 
such Act is amended by inserting after the item relating 
to section 4221 the following new item: 
‘‘Sec. 4222. Incorporation of integrated surety architecture.’’. 
(c) IMPLEMENTATION OF CERTAIN DIRECTION.—The 
Administrator shall implement the direction relating to this 
section contained in the classified annex accompanying this 
Act. 
SEC. 3113. COST ESTIMATES FOR LIFE EXTENSION PRO-
GRAM AND MAJOR ALTERATION PROJECTS. 
Subsection (b) of section 4217 of the Atomic Energy 
Defense Act (50 U.S.C. 2537(b)) is amended to read as fol-
lows: 
‘‘(b) INDEPENDENT COST ESTIMATES AND REVIEWS.— 
(1) The Secretary, acting through the Administrator, shall 
submit to the congressional defense committees and the Nu-
clear Weapons Council the following: 
‘‘(A) An independent cost estimate of the fol-
lowing: 
‘‘(i) Each nuclear weapon system under-
going life extension at the completion of phase 
6.2A, relating to design definition and cost 
study. 
‘‘(ii) Each nuclear weapon system under-
going life extension at the completion of phase 
6.3, relating to development engineering. 
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‘‘(iii) Each nuclear weapon system under-
going life extension at the completion of phase 
6.4, relating to production engineering, and be-
fore the initiation of phase 6.5, relating to first 
production. 
‘‘(iv) Each new nuclear facility within the 
nuclear security enterprise that is estimated to 
cost more than $500,000,000 before such facility 
achieves critical decision 1 and before such facil-
ity achieves critical decision 2 in the acquisition 
process. 
‘‘(v) Each nuclear weapons system under-
going a major alteration project (as defined in 
section 2753(a)(2) of this title). 
‘‘(B) An independent cost review of each nuclear 
weapon system undergoing life extension at the com-
pletion of phase 6.2, relating to study of feasibility 
and down-select. 
‘‘(2) Each independent cost estimate and independent 
cost review under paragraph (1) shall include— 
‘‘(A) whether the cost baseline or the budget esti-
mate for the period covered by the future-years nu-
clear security program has changed, and the rationale 
for any such change; and 
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‘‘(B) any views of the Secretary or the Adminis-
trator regarding such estimate or review. 
‘‘(3) The Administrator shall review and consider the 
results of any independent cost estimate or independent cost 
review of a nuclear weapon system or a nuclear facility, 
as the case may be, under this subsection before entering 
the next phase of the development process of such system 
or the acquisition process of such facility. 
‘‘(4) Each independent cost estimate or independent 
cost review of a nuclear weapon system or a nuclear facil-
ity, as the case may be, under this subsection shall be sub-
mitted not later than 30 days after the date on which— 
‘‘(A) such system completes a phase specified in 
paragraph (1); or 
‘‘(B) such facility achieves critical decision 1 as 
specified in subparagraph (A)(iv) of such paragraph. 
‘‘(5) Each independent cost estimate or independent 
cost review submitted under this subsection shall be sub-
mitted in unclassified form, but may include a classified 
annex if necessary.’’. 
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929 
SEC. 3114. BUDGET REQUESTS AND CERTIFICATION RE-
GARDING NUCLEAR WEAPONS DISMANTLE-
MENT. 
Section 3125 of the National Defense Authorization 
Act for Fiscal Year 2017 (Public Law 114–328) is amend-
ed— 
(1) by redesignating subsection (d) as subsection 
(f); and 
(2) by inserting after subsection (c) the following 
new subsections: 
‘‘(d) BUDGET REQUESTS.—The Administrator for Nu-
clear Security shall ensure that the budget of the President 
submitted to Congress under section 1105(a) of title 31, 
United States Code, for each of fiscal years 2019 through 
2021 includes amounts for the nuclear weapons dismantle-
ment and disposition activities of the National Nuclear Se-
curity Administration in accordance with the limitation in 
subsection (a). 
‘‘(e) CERTIFICATION.—Not later than February 1, 
2018, the Administrator shall certify to the congressional 
defense committees that the Administrator is carrying out 
the nuclear weapons dismantlement and disposition activi-
ties of the Administration in accordance with the limita-
tions in subsections (a) and (b).’’. 
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930 
SEC. 3115. IMPROVED INFORMATION RELATING TO DE-
FENSE NUCLEAR NONPROLIFERATION RE-
SEARCH AND DEVELOPMENT PROGRAM. 
(a) IMPROVED INFORMATION.—Title XLIII of the 
Atomic Energy Defense Act (50 U.S.C. 2563 et seq.) is 
amended by adding at the end the following new section: 
‘‘SEC. 4310. INFORMATION RELATING TO DEFENSE NU-
CLEAR NONPROLIFERATION RESEARCH AND 
DEVELOPMENT PROGRAM AND ARMS CON-
TROL PROGRAM. 
‘‘(a) TECHNOLOGIES
AND CAPABILITIES.—The Ad-
ministrator shall document, for efforts that are not focused 
on basic research, the technologies and capabilities of the 
defense nuclear nonproliferation research and development 
program— 
‘‘(1) that are transitioned to end users for fur-
ther development or deployment; and 
‘‘(2) that are deployed. 
‘‘(b) ASSESSMENTS
OF STATUS.—(1) In assessing 
projects under the defense nuclear nonproliferation research 
and development program or the defense nuclear non-
proliferation and arms control program, the Administrator 
shall compare the status of each such project, including with 
respect to the final results of such project, to the baseline 
targets and goals established in the initial project plan of 
such project. 
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‘‘(2) The Administrator may carry out paragraph (1) 
using a common template or such other means as the Ad-
ministrator determines appropriate.’’. 
(b) INCLUSION IN PLAN.—Section 4309(b) of such Act 
(50 U.S.C. 2575(b)) is amended— 
(1) by redesignating paragraph (16) as para-
graph (18); and 
(2) by inserting after paragraph (15) the fol-
lowing new paragraphs: 
‘‘(16) A summary of the technologies and capa-
bilities documented under section 4310(a). 
‘‘(17) A summary of the assessments conducted 
under section 4310(b)(1).’’. 
SEC. 3116. RESEARCH AND DEVELOPMENT OF ADVANCED 
NAVAL REACTOR FUEL BASED ON LOW-EN-
RICHED URANIUM. 
(a) PROHIBITION ON AVAILABILITY OF FUNDS FOR 
FISCAL YEAR 2018.— 
(1) RESEARCH AND DEVELOPMENT.—Except as 
provided by paragraph (2), none of the funds author-
ized to be appropriated by this Act or otherwise made 
available for fiscal year 2018 for the Department of 
Energy or the Department of Defense may be obli-
gated or expended to plan or carry out research and 
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development of an advanced naval nuclear fuel system 
based on low-enriched uranium. 
(2) EXCEPTION.—Of the funds authorized to be 
appropriated by this Act or otherwise made available 
for fiscal year 2018 for defense nuclear nonprolifera-
tion, as specified in the funding table in division D— 
(A) $5,000,000 shall be made available to 
the Deputy Administrator for Naval Reactors of 
the National Nuclear Security Administration 
for low-enriched uranium activities (including 
downblending of high-enriched uranium fuel into 
low-enriched uranium fuel, research and develop-
ment using low-enriched uranium fuel, or the 
modification or procurement of equipment and 
infrastructure related to such activities) to de-
velop an advanced naval nuclear fuel system 
based on low-enriched uranium; and 
(B) if the Secretary of Energy and the Sec-
retary of the Navy determine under section 
3118(c)(1) of the National Defense Authorization 
Act for Fiscal Year 2016 (Public Law 114–92; 
129 Stat. 1196) that such low-enriched uranium 
activities and research and development should 
continue, an additional $30,000,000 may be 
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made available to the Deputy Administrator for 
such purpose. 
(b) PROHIBITION ON AVAILABILITY OF FUNDS RE-
GARDING CERTAIN ACCOUNTS AND PURPOSES.— 
(1) RESEARCH
AND
DEVELOPMENT
AND
PRO-
CUREMENT.—Chapter 633 of title 10, United States 
Code, is amended by adding at the end the following 
new section: 
‘‘§ 7319. Requirements for availability of funds relat-
ing to advanced naval nuclear fuel sys-
tems based on low-enriched uranium 
‘‘(a) AUTHORIZATION.—Low-enriched uranium activi-
ties may only be carried out using funds authorized to be 
appropriated or otherwise made available for the Depart-
ment of Energy for atomic energy defense activities for de-
fense nuclear nonproliferation. 
‘‘(b) PROHIBITION REGARDING CERTAIN ACCOUNTS.— 
(1) None of the funds described in paragraph (2) may be 
obligated or expended to carry out low-enriched uranium 
activities. 
‘‘(2) The funds described in this paragraph are funds 
authorized to be appropriated or otherwise made available 
for any fiscal year for any of the following accounts: 
‘‘(A) Shipbuilding and conversion, Navy, or any 
other account of the Department of Defense. 
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‘‘(B) Any account within the atomic energy de-
fense activities of the Department of Energy other 
than defense nuclear nonproliferation, as specified in 
subsection (a). 
‘‘(3) The prohibition in paragraph (1) may not be su-
perseded except by a provision of law that specifically su-
persedes, repeals, or modifies this section. A provision of 
law, including a table incorporated into an Act, that appro-
priates funds described in paragraph (2) for low-enriched 
uranium activities may not be treated as specifically super-
seding this section unless such provision specifically cites 
to this section. 
‘‘(c) 
LOW-ENRICHED
URANIUM
ACTIVITIES
DE-
FINED.—In this section, the term ‘low-enriched uranium 
activities’ means the following: 
‘‘(1) Planning or carrying out research and de-
velopment of an advanced naval nuclear fuel system 
based on low-enriched uranium. 
‘‘(2) Procuring ships that use low-enriched ura-
nium in naval nuclear propulsion reactors.’’. 
(2) CLERICAL AMENDMENT.—The table of sec-
tions at the beginning of such chapter is amended by 
adding at the end the following new item: 
‘‘7319. Requirements for availability of funds relating to advanced naval nuclear 
fuel systems based on low-enriched uranium’’. 
(c) REPORTS.— 
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(1) SSN(X)
SUBMARINE.—Not later than 180 
days after the date of the enactment of this Act, the 
Secretary of the Navy and the Deputy Administrator 
for Naval Reactors shall jointly submit to the Com-
mittees on Armed Services of the House of Represent-
atives and the Senate a report on the cost and 
timeline required to assess the feasibility, costs, and 
requirements for a design of the Virginia-class re-
placement nuclear attack submarine that would allow 
for the use of a low-enriched uranium fueled reactor, 
if technically feasible, without changing the diameter 
of the submarine. 
(2) RESEARCH AND DEVELOPMENT.—Not later 
than 60 days after the date of the enactment of this 
Act, the Deputy Administrator for Naval Reactors 
shall submit to the Committees on Armed Services of 
the House of Representatives and the Senate a report 
on— 
(A) the planned research and development 
activities on low-enriched uranium and highly 
enriched uranium fuel that could apply to the 
development of a low-enriched uranium fuel or 
an advanced highly enriched uranium fuel; and 
(B) with respect to such activities for each 
such fuel— 
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