Military forces, national security, and defense policy.

Veterans healthcare, benefits, and memorial services.

Border security, cybersecurity, and emergency management.

Federal procurement, property management, and shared services.

Civil service hiring, benefits, and workforce policy.

Retirement, disability, and survivor benefits.

Tax collection, enforcement, and taxpayer services.

Foreign affairs, diplomacy, and international relations.

Energy policy, nuclear security, and scientific research.

Environmental protection, regulation, and enforcement.

National transportation policy and infrastructure.

Federal education policy, grants, and student aid.

Space exploration, aeronautics, and aerospace research.

Medical research, public health science, and grants.

Small business loans, disaster assistance, and counseling.