The US cavalry was a prominent force in American military history, with its iconic horse soldiers charging into battle. Synonyms for the US cavalry include mounted infantry, dragoons, horse soldiers, and mounted riflemen. Mounted infantry refers to soldiers who rode horses to the battlefield but then dismounted to fight on foot. Dragoons were cavalry soldiers in the 18th century who were trained to ride and fight on horseback or on foot as need be. Horse soldiers were soldiers who used horses as part of their military strategy, while mounted riflemen were soldiers who were trained in both riding horses and using rifles. Each of these synonyms for the US cavalry highlights the crucial role that horses played in American military history.