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 Science, Space, and Technology has jurisdiction over non-defense federal scientific research and development, including programs at NASA, the National Science Foundation, and the Department of Energy. It covers areas like space exploration, energy research, environmental science, and technology innovation.