US Federal Senate Bill SB4380

US Federal 2025-2026 Regular Session

• Introduced: 4/22/26
• Refer: 4/22/26

Caption

Critical Infrastructure Airspace Defense Act

Impact

The bill amends the Homeland Security Act to grant critical infrastructure owners and operators the authority to implement counter-UAS technologies. This expansion of authority will simplify and expedite the response to potential drone threats. Additionally, the act establishes a grant program funded to support these operators in purchasing, installing, and operating approved counter-UAS systems, with an authorization of $250 million over five years for its implementation.

Summary

SB4380, known as the Critical Infrastructure Airspace Defense Act, aims to enhance security measures for critical infrastructure against unmanned aircraft systems (UAS). The bill recognizes growing threats posed by drones to essential facilities such as electric grids and nuclear plants, and seeks to empower private owners and operators of these facilities with statutory authority to detect and mitigate UAS threats. This includes allowing designated security personnel to take necessary actions against in-flight UAS that pose credible threats.

Contention

While supporters of SB4380 laud it as a necessary measure for national security and protection of vital assets, there may be concerns surrounding the implications of privatizing drone defense. Critics could argue that empowering private entities with significant authority to use counter-drone measures could lead to unintended consequences, including misuse or overreach. The bill also mandates training and certification, but there may be debates regarding the effectiveness and thoroughness of the proposed training program for operator personnel.