The Special Committee on Aging investigates challenges and opportunities facing older Americans, examining topics like healthcare, retirement security, and consumer protection. It holds hearings and issues findings to inform Senate policy and legislation affecting the senior population.

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 Environment and Public Works deals with legislation concerning environmental protection, infrastructure projects like highways and water systems, and disaster response. Its jurisdiction includes oversight of the Environmental Protection Agency and the Army Corps of Engineers.

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.

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.