Second Degree Amendment · S.Amdt. 3405· Senate(119-SAMDT-3405)

To require a plan to modernize the nuclear security enterprise.

Age: 74 years

Texas

Introduced: 7/31/2025
Last activity: 10/9/2025 — Amendment SA 3405 agreed to in Senate by Voice Vote.
Sponsored by: John Cornyn
Cosponsors: None

Changes amendment: 119-SAMDT-3748
On the bill: 119-S-2296 — National Defense Authorization Act for Fiscal Year 2026

The Senate agreed to this amendment, so its changes are part of the bill from here on.

What this amendment would do

SA 3405, submitted by Mr. Cornyn, aims to add a section to bill S. 2296 regarding a Plan to Modernize Nuclear Security Enterprise.

The purpose of this amendment is to require the Administrator for Nuclear Security to do the following:

Develop a plan within 90 days of the Act's enactment to modernize and accelerate Material Staging Capabilities to replace facilities that are over-subscribed or aged. This plan must include cost estimates and a description of all phases.
Accelerate Critical Decisions milestones for fiscal year 2026.
Execute this plan at the same time as an infrastructure modernization program for high explosives capabilities, which includes the continued construction of the High Explosives Synthesis Formulation and Production facility (21-D-510).
Brief the appropriate congressional committees (the Senate and House Committees on Armed Services and Appropriations) on the Material Staging Capabilities plan within 180 days of the Act's enactment.