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H.R. 5894: Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act

This bill, titled the Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act or RESTRAIN Act, seeks to amend current laws related to nuclear weapon testing in the United States. Here’s a summary of its main points:

Prohibition on Explosive Nuclear Testing

The bill proposes a complete prohibition on the United States conducting any explosive tests of nuclear weapons or any other nuclear explosions. This is a significant change as it aims to eliminate the possibility of the U.S. engaging in nuclear weapon tests in the future.

Amendments to Existing Laws

The bill amends Section 4210 of the Atomic Energy Defense Act to formally include this prohibition. It specifically:

  • Deletes the current provision allowing for nuclear explosive testing.
  • Establishes that no federal funds can be used, starting from the fiscal year 2026, to conduct explosive nuclear tests.
  • Prohibits the allocation of resources for any nuclear explosion.

Funding Limitations

As part of the amendments, the bill ensures that any funds authorized for the fiscal year 2026 or thereafter cannot be utilized for explosive nuclear testing or related activities.

Subcritical Nuclear Testing

The bill clarifies that it does not restrict the U.S. government’s authority to conduct subcritical nuclear tests. A subcritical nuclear test involves the use of fissile materials in a manner that does not lead to a sustained nuclear explosion. This means that while explosive testing is banned, certain types of non-explosive tests can still occur.

Overall Impact

The overarching goal of the bill is to reinforce arms control and promote non-proliferation efforts by eliminating explosive nuclear tests by the United States. It represents a shift towards increased efforts for international arms control initiatives.

Relevant Companies

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This is an AI-generated summary of the bill text. There may be mistakes.

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Sponsors

20 bill sponsors

Actions

4 actions

Date Action
Nov. 19, 2025 Sponsor introductory remarks on measure. (CR E1096-1097)
Nov. 19, 2025 Sponsor introductory remarks on measure. (CR H4779-4780)
Oct. 31, 2025 Introduced in House
Oct. 31, 2025 Referred to the House Committee on Armed Services.

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