# 119-hr-4281: Bunker Buster Act of 2025

119-hr-4281, Bunker Buster Act of 2025, is a 119th Congress bill sponsored by Rep. Gottheimer, Josh [D-NJ-5] (D-NJ); status introduced (as of 2026-04-21).

- Canonical: https://policyrisk.com/legislation/119-hr-4281
- As of: 2026-04-21
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-hr-4281
- Congress: 119
- Title: Bunker Buster Act of 2025
- Status: introduced
- Introduced: 2025-07-02
- Sponsor: Rep. Gottheimer, Josh [D-NJ-5] (D-NJ)
- Cosponsors: 5
- Policy area: International Affairs
- Touches household money: no
- Last recorded action: 2026-04-21

## Summary

**Authorizes targeted U.S. support to help Israel prepare to destroy underground nuclear and weapons-production infrastructure.** This authority applies when the President certifies the action is vital to U.S. national security and specified conditions are met. Support falls into four areas: construction, storage, training, and joint research and development. - Authorizes construction of Israeli infrastructure to host large ordnance systems and MOP-carrying aircraft, including extended runways, basing options, and munitions storage. - Allows U.S. storage of the Massive Ordnance Penetrator or related munitions in Israel and, if narrow conditions tied to Iran’s NPT safeguards or IAEA access are met, permits transfer of custody to Israel. Any Israeli use would require nondelegable presidential approval through the Secretary of Defense. - Authorizes training of Israeli personnel and joint U.S.-Israel R&D to improve ordnance and develop Israeli capacity to destroy underground targets, including Hezbollah rocket facilities and underground Iranian nuclear sites. The Act also requires presidential certifications to Congress and expressly does not authorize the use of military force against Iran.

## Cosponsors (5)

- Rep. Lawler, Michael [R-NY-17] (R-NY), 2025-07-02T00:00:00.000Z
- Rep. Moskowitz, Jared [D-FL-23] (D-FL), 2025-07-02T00:00:00.000Z
- Rep. Suozzi, Thomas R. [D-NY-3] (D-NY), 2025-07-02T00:00:00.000Z
- Rep. Vargas, Juan [D-CA-52] (D-CA), 2025-07-02T00:00:00.000Z
- Rep. Fitzpatrick, Brian K. [R-PA-1] (R-PA), 2025-07-15T00:00:00.000Z

## Provisions PRIA read

- No authorization to use force on Iran: benefit, low. The bill would state that nothing in it authorizes U.S. military force against Iran. Help, training, storage, and R&D would not serve as a legal OK to start a war.
- Strict rules to transfer bunker-buster bombs: benefit, low. If enacted, the President could transfer custody of bunker‑buster bombs to Israel only after four findings. First, Iran must be out of nuclear safeguards compliance or cut IAEA access in a harmful way. Second, the transfer must be vital to U.S. national security. Third, Israel must have no other wa…
- U.S. help for Israeli bunker-busters: mixed, medium. If enacted, the President could, at Israel’s request, approve building runways, bases, and storage in Israel for very large bunker‑busting bombs. The President would first have to certify to Congress that the actions are vital to U.S. national security and meet the Act’s conditions. The U.S. could…

## Related bills

- 119-hr-3151: SHIPS for America Act of 2025
- 119-hr-4669: FEMA Act of 2025
- 119-hr-2086: Rights for the TSA Workforce Act
- 119-hr-4206: CONNECT for Health Act of 2025
- 119-hr-1262: Mikaela Naylon Give Kids a Chance Act
- 119-hr-3184: PFAS Alternatives Act

## Sources
- [119-hr-4281 on Congress.gov](https://www.congress.gov/bill/119th-congress/house-bill/4281)

## Related
- [119-hr-3151: SHIPS for America Act of 2025](https://policyrisk.com/legislation/119-hr-3151)
- [119-hr-4669: FEMA Act of 2025](https://policyrisk.com/legislation/119-hr-4669)
- [119-hr-2086: Rights for the TSA Workforce Act](https://policyrisk.com/legislation/119-hr-2086)
- [119-hr-4206: CONNECT for Health Act of 2025](https://policyrisk.com/legislation/119-hr-4206)
- [119-hr-1262: Mikaela Naylon Give Kids a Chance Act](https://policyrisk.com/legislation/119-hr-1262)
- [119-hr-3184: PFAS Alternatives Act](https://policyrisk.com/legislation/119-hr-3184)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-hr-4281 (as of 2026-04-21).