H.R.6846

DEFEND Act Detecting and Evaluating Foreign Exploitation of Novel Drones Act

Introduced·12/18/25

DEFEND Act mandates annual assessments on terrorism threats from foreign adversaries using unmanned aircraft systems.

The DEFEND Act requires the Secretary of Homeland Security to annually assess terrorism threats from foreign adversaries, including terrorist organizations, using unmanned aircraft systems. Each assessment must analyze methods, trends, and technologies used by these adversaries, evaluate risks of replication by other adversaries or lone actors, and assess implications for homeland security. The assessments also cover the use of unmanned aircraft systems for intelligence, surveillance, and reconnaissance, and the use of low-cost, high-volume swarms.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Current
Subcommittee on Counterterrorism and Intelligence Committee
Next
Committee decision

Sponsors

Democratic CaucusRepublican Caucus

History

Dec 19, 2025

House

Referred to the Subcommittee on Transportation and Maritime Security.

Dec 19, 2025

House

Referred to the Subcommittee on Counterterrorism and Intelligence.

Dec 18, 2025

House

Introduced in House