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To amend the Atomic Energy Defense Act to prohibit explosive testing of nuclear weapons conducted by the United States, and for other purposes.
Summary
HR 5894 would prohibit the United States from conducting explosive testing of nuclear weapons or any other nuclear explosions. The bill amends the Atomic Energy Defense Act to establish this prohibition and bars the use of federal funds authorized in fiscal year 2026 or later from being used for such explosive testing. The bill clarifies that it does not restrict the United States from conducting subcritical nuclear tests, which are tests of fissile materials that cannot sustain an explosive nuclear chain reaction.
AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.
Sponsor (1)
- Rep. Titus, Dina [D-NV-1] (D-NV)
28 cosponsors
- Del. Norton, Eleanor Holmes [D-DC-At Large] (D-DC)
- Rep. Beyer, Donald S. [D-VA-8] (D-VA)
- Rep. Brownley, Julia [D-CA-26] (D-CA)
- Rep. Cisneros, Gilbert Ray [D-CA-31] (D-CA)
- Rep. Courtney, Joe [D-CT-2] (D-CT)
- Rep. DeSaulnier, Mark [D-CA-10] (D-CA)
- Rep. Doggett, Lloyd [D-TX-37] (D-TX)
- Rep. Foster, Bill [D-IL-11] (D-IL)
- Rep. Garamendi, John [D-CA-8] (D-CA)
- Rep. Garcia, Sylvia R. [D-TX-29] (D-TX)
- Rep. Hoyle, Val T. [D-OR-4] (D-OR)
- Rep. Khanna, Ro [D-CA-17] (D-CA)
- Rep. Levin, Mike [D-CA-49] (D-CA)
- Rep. Lieu, Ted [D-CA-36] (D-CA)
- Rep. Lofgren, Zoe [D-CA-18] (D-CA)
- Rep. McBride, Sarah [D-DE-At Large] (D-DE)
- Rep. McGovern, James P. [D-MA-2] (D-MA)
- Rep. Morelle, Joseph D. [D-NY-25] (D-NY)
- Rep. Moulton, Seth [D-MA-6] (D-MA)
- Rep. Omar, Ilhan [D-MN-5] (D-MN)
- Rep. Pappas, Chris [D-NH-1] (D-NH)
- Rep. Quigley, Mike [D-IL-5] (D-IL)
- Rep. Smith, Adam [D-WA-9] (D-WA)
- Rep. Swalwell, Eric [D-CA-14] (D-CA)
- Rep. Thompson, Mike [D-CA-4] (D-CA)
- Rep. Tlaib, Rashida [D-MI-12] (D-MI)
- Rep. Tokuda, Jill N. [D-HI-2] (D-HI)
- Rep. Vindman, Eugene Simon [D-VA-7] (D-VA)
Actions (3)
- Nov 19, 2025 Sponsor introductory remarks on measure. (CR H4779-4780)
- Oct 31, 2025 Referred to the House Committee on Armed Services. · house
- Oct 31, 2025 Introduced in House
Similar bills (6)
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Text versions (1)
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Full text
IN THE HOUSE OF REPRESENTATIVES
October 31, 2025
Ms. Titus introduced the following bill; which was referred to the Committee on Armed Services
A BILL
To amend the Atomic Energy Defense Act to prohibit explosive testing of nuclear weapons conducted by the United States, and for other purposes.
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,
SECTION 1. SHORT TITLE.
This Act may be cited as the “Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act” or the “RESTRAIN Act”.
SEC. 2. PROHIBITION ON EXPLOSIVE TESTING OF NUCLEAR WEAPONS CONDUCTED BY THE UNITED STATES.
Section 4210 of the Atomic Energy Defense Act (division D of the Bob Stump National Defense Authorization Act for Fiscal Year 2003 (Public Law 107-314; 50 U.S.C. 2530)) is amended—
(1) by striking subsection (a) and inserting the following:
“(a) Prohibition on Testing.—No explosive testing of a nuclear weapon, or any other nuclear explosion, may be conducted by the United States.”; and
(2) by adding at the end the following new subsections:
“(c) Limitation on Availability of Funds.—None of the funds authorized to be appropriated by an Act authorizing funds for fiscal year 2026 or otherwise made available for any fiscal year may be used—
“(1) to conduct explosive testing of a nuclear weapon; or
“(2) for any other nuclear explosion.
“(d) Rule of Construction.—
“(1) In general.—Nothing in this section may be constructed to limit the authority of the United States to conduct a subcritical nuclear test.
“(2) Subcritical nuclear test defined.—In this subsection, the term ‘subcritical nuclear test’ means a nuclear test of fissile materials that are not capable of sustaining an explosive nuclear chain reaction.”. <all>
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