The 105th Cavalry Regiment is a United States Army unit under the jurisdiction of the California Army National Guard. Established on October 3, 1921, the regiment's lineage dates back to the California Volunteers during the Mexican-American War in 1846. The 105th Cavalry Regiment specializes in reconnaissance operations and operates primarily with Stryker vehicles. Over the years, the unit has been deployed in various conflicts, including World War II, the Korean War, and the Global War on Terrorism. Its headquarters are located in Sacramento, California.