The 3rd U.S. Cavalry is a unit of the United States Army, established in 1836. It has a storied history, participating in various conflicts, including the Mexican-American War and the American Civil War. The regiment is known for its role in the Indian Wars, where it helped secure the western frontier. Throughout its history, the 3rd U.S. Cavalry has been stationed in various locations, including Fort Hood in Texas. The unit has undergone several reorganizations and continues to serve as part of the modern U.S. Army, adapting to new roles and technologies while maintaining its cavalry heritage.