The Committee on Homeland Security provides oversight for the Department of Homeland Security and addresses issues related to counterterrorism, cybersecurity, border security, emergency preparedness, and critical infrastructure protection. It develops legislation to secure the nation from various threats.

The Committee on Transportation and Infrastructure oversees legislation related to transportation, including highways, aviation, rail, pipelines, and maritime transport, as well as infrastructure development. Its jurisdiction covers water resources, disaster management (FEMA), and economic development programs.