Senate Appropriations Committee Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies Subcommittee on Commerce, Justice, Science, and Related Agencies Subcommittee on Department of Homeland Security Subcommittee on Energy and Water Development Subcommittee on Military Construction, Veterans Affairs, and Related Agencies Senate Armed Services Committee Subcommittee on Airland Subcommittee on Cybersecurity Subcommittee on Emerging Threats and Capabilities Senate Commerce, Science, and Transportation Committee Subcommittee on Coast Guard, Maritime, and Fisheries Subcommittee on Science, Manufacturing, and Competitiveness Subcommittee on Surface Transportation, Freight, Pipelines, and Safety (Ranking Member) Senate Homeland Security and Governmental Affairs Committee (Ranking Member) Permanent Subcommittee on Investigations (Ex Officio) Subcommittee on Border Management, Federal Workforce, and Regulatory Affairs (Ex Officio)