List of crew-served weapons of the U.S. Armed Forces
This list contains weapons that are classified as crew-served, as the term is used in the United States military. While the general understanding is that crew-served weapons require more than one person to operate them, there are important exceptions in the case of both squad automatic weapons (SAW) and sniper rifles.
Source: Wikipedia — List of crew-served weapons of the U.S. Armed Forces (CC BY-SA 4.0)