About this Unit
The 278th Armored Cavalry Regiment (ACR) is a unit of the Tennessee Army National Guard, with its roots tracing back to 1887 as part of the state militia. Over the decades, the regiment has served in various roles, including as infantry and cavalry, and has participated in both World Wars and the Gulf War. In the Global War on Terror, the 278th ACR was mobilized for Operation Iraqi Freedom, deploying to Iraq in 2004–2005 and again in 2009–2010, providing reconnaissance, security, and stability operations. Renowned for its adaptability and professionalism, the 278th continues to serve as a premier armored cavalry unit within the U.S. Army National Guard.
Historical Facts
• Origins and Lineage: The 278th Armored Cavalry Regiment (ACR) traces its lineage back to 1887, originally formed as a Tennessee National Guard cavalry unit. It has undergone several reorganizations and designations throughout its history.
• Nickname: The 278th is commonly known as the "Volunteer Regiment," reflecting Tennessee's nickname as the "Volunteer State."
• Distinctive Unit Insignia: The regiment's insignia features a horse's head and a saber, symbolizing its cavalry roots, and incorporates elements of Tennessee's state flag.
• Iraq Deployments: The 278th ACR was mobilized for Operation Iraqi Freedom and served two major deployments in 2004-2005 and 2009-2010, conducting security and stability operations.
• Largest Tennessee Guard Unit: The 278th is the largest unit in the Tennessee Army National Guard, composed of over 3,000 soldiers spread across the state.
• Modernization: The regiment transitioned from traditional cavalry to armored cavalry, and today operates Bradleys, Abrams tanks, and other modern military vehicles.
• Presidential Unit Citation: Elements of the regiment have received prestigious awards, including the Presidential Unit Citation for World War II actions when serving as part of predecessor units.
• Community Ties: The 278th maintains strong community relations in Tennessee, participating in disaster relief, public events, and providing support to civil authorities.
• Training Missions Abroad: The regiment has participated in multinational training exercises, including deployments to Eastern Europe in support of NATO and partnership programs.
• Historic Cavalry Charges: During World War I and the early 20th century, predecessor units of the 278th conducted actual horse-mounted cavalry charges, a rare occurrence in U.S. military history.
