The Committee on Armed Services exercises legislative oversight for the nation's military, including the Department of Defense, military research and development, nuclear energy activities, and benefits for members of the armed forces. It also handles the confirmation of presidential nominees for senior defense and military positions.

The Committee on Commerce, Science, and Transportation addresses a wide range of issues including interstate commerce, transportation systems, science and technology policy, space exploration, and consumer protection. It oversees agencies like the Department of Transportation, NASA, the FCC, and the FTC.

The Select Committee on Intelligence provides vigilant legislative oversight of the United States Intelligence Community, ensuring activities conform to the Constitution and laws. It reviews intelligence budgets, programs, and operations, and prepares legislation authorizing appropriations for intelligence agencies.

The Committee on Small Business and Entrepreneurship focuses on issues affecting small businesses, including access to capital, federal procurement opportunities, and regulatory burdens. It provides oversight of the Small Business Administration (SBA) and develops legislation aimed at fostering entrepreneurship.

This joint committee conducts studies and provides recommendations to Congress on the U.S. economy, reviewing economic conditions and advising on policy matters. It holds hearings, issues reports like the annual Joint Economic Report, and analyzes fiscal and monetary policy impacts.