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S. 5427Senate119th Congress (2025-2027)In Committee

Subterranean Border Defense Act

A bill to require annual reports on the implementation of the strategic plan to counter illicit cross-border tunnel operations.

Sponsored by Rick ScottSen. Rick Scott (R-FL)
Introduced September 17, 2026

AI-Generated Summary

Updated September 26, 2026 at 7:56 AM UTC

The Subterranean Border Defense Act requires the government to produce yearly updates on how it is carrying out the strategic plan aimed at stopping illegal cross‑border tunnels. The reports track progress and challenges in preventing tunnel‑related smuggling and other illicit activities. The requirement applies to the agencies responsible for border security and related enforcement.

Key Provisions

  • Amends the 2023 National Defense Authorization Act to add the phrase “and annually thereafter” after “strategic plan,” creating a legal duty for agencies to submit an annual report on the plan’s implementation.

Legislative Activity

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SenateIntro Referral Latest Action

Read twice and referred to the Committee on Homeland Security and Governmental Affairs.

Homeland Security and Governmental Affairs Committee

September 17, 2026

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SenateIntro Referral

Introduced in Senate

September 17, 2026

SenateIntro Referral

Read twice and referred to the Committee on Homeland Security and Governmental Affairs.

Homeland Security and Governmental Affairs Committee

September 17, 2026

Bill Text

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Introduced in SenateIssued September 17, 2026

II

119th CONGRESS

2d Session

S. 5427

IN THE SENATE OF THE UNITED STATES

September 17, 2026

Mr. Scott of Florida introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs

A BILL

To require annual reports on the implementation of the strategic plan to counter illicit cross-border tunnel operations.

1.

Short title

This Act may be cited as the Subterranean Border Defense Act.

2.

Annual reports on counter illicit cross-border tunnel operations

Section 7134(a)(2) of the James M. Inhofe National Defense Authorization Act for Fiscal Year 2023 (Public Law 117–263; 6 U.S.C. 257 note) is amended by inserting and annually thereafter, after strategic plan,.