The 278th Armored Cavalry Regiment (ACR) is a unit of the Tennessee Army National Guard with a distinguished history dating back to its origins in 1887 as part of the state militia. The regiment has served in various capacities, including federal activation during World War I, World War II, and the Global War on Terrorism. In the 21st century, the 278th ACR was mobilized for Operation Iraqi Freedom, where it provided reconnaissance, security, and combat support. Over the years, the 278th has maintained its reputation for readiness and adaptability, serving both state and federal missions with distinction.
