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 Banking, Housing, and Urban Affairs oversees legislation related to banks, financial institutions, housing, urban development, and economic policy. Its jurisdiction includes monetary policy, financial stability, consumer protection in financial services, securities markets, and international finance.

The Committee on Finance holds broad jurisdiction over taxation and revenue measures, the nation's debt, customs, international trade, and key social programs. It oversees Social Security, Medicare, Medicaid, and unemployment benefits, shaping fiscal policy and health legislation.