PolicyBrief
S. 2422
119th CongressJul 23rd 2025
ICBM Act
IN COMMITTEE

The ICBM Act pauses the costly Sentinel missile program, redirects its funding to education, extends the life of existing Minuteman III missiles, and mandates an independent study comparing the two systems.

Edward "Ed" Markey
D

Edward "Ed" Markey

Senator

MA

LEGISLATION

ICBM Act Halts $141 Billion Missile Program, Redirects Funds to High-Need K-12 Education

The aptly named Investing in Children Before Missiles Act of 2025 (ICBM Act) is a direct challenge to the Pentagon's massive nuclear modernization plans. This bill aims to immediately pause the Ground-Based Strategic Deterrent (Sentinel) program—the replacement for the aging Minuteman III intercontinental ballistic missile (ICBM)—and redirect every unspent dollar from that program, plus funds from a related nuclear warhead modification, straight into Title I education funding for schools serving low-income students. This shift is driven by the fact that the Sentinel program’s estimated cost has ballooned to over $141 billion, an 81% increase from its original 2020 baseline, alongside serious schedule delays.

The $141 Billion Question: Defense or Desks?

For anyone keeping an eye on their tax dollars, the core of this bill is a huge budgetary pivot (SEC. 4). The Sentinel program was meant to swap out the old Minuteman III missiles for over 600 new ones, but the bill notes the project is delayed and massively over budget. The ICBM Act mandates that the Department of Defense (DoD) and the Department of Energy (DoE) must take all unspent funds set aside for Sentinel development and the W87-1 warhead modification program and transfer that cash to the Department of Education. This money is specifically earmarked for Part A of Title I of the Elementary and Secondary Education Act, which means it funds schools with high percentages of kids from low-income families. For a parent whose local school district struggles with outdated textbooks or needs more tutors, this bill represents a direct injection of money that was previously tied up in a struggling defense contract.

Keeping the Old Missiles Flying

Instead of launching into the expensive Sentinel replacement, the policy dictates an immediate pause on the new program and a commitment to safely extend the operational life of the existing Minuteman III missiles until at least 2050 (SEC. 3). This move has significant implications for defense contractors like Northrop Grumman, who were banking on the massive Sentinel contract, but it also means the DoD has to figure out how to maintain a 50-year-old missile system for another 25 years. To make sure this extension is feasible, the bill requires the National Academy of Sciences to conduct an independent study to compare the costs, risks, and benefits of keeping the Minuteman III versus deploying Sentinel (SEC. 6). Critically, this study cannot include anyone who has been paid to work on the Sentinel program, ensuring a fresh, unbiased look at the issue.

The Stability Question: Launch on Warning

Beyond the budget, the bill raises a serious strategic point that affects everyone: the risk of accidental nuclear war (SEC. 2). The findings section highlights that land-based ICBMs force U.S. leaders into a dangerous “launch on warning” posture. Because these missiles are in fixed silos, they are vulnerable to attack, meaning the President might have mere minutes to decide whether to fire them before they are destroyed. The bill cites experts, including former defense secretaries, who argue that this vulnerability increases the risk of a nuclear blunder, especially with growing threats of cyberattacks that could feed false warnings. The bill suggests that the U.S. submarine fleet—which is nearly impossible to track—provides a safer, more robust deterrent, making the expensive, vulnerable land-based missiles strategically unnecessary. By pausing Sentinel and studying the feasibility of reducing the ICBM fleet (SEC. 6), the bill is attempting to reduce this hair-trigger risk, which is a major, though often abstract, benefit for global stability.