4:40th Armor

• Origins: The 4th Battalion, 40th Armor (4/40th Armor) traces its lineage to the 40th Armor Regiment, which was originally constituted during World War II as part of the U.S. Army’s rapid armored force expansion. • Nickname: The unit was commonly known by the nickname “Cobras,” reflecting the aggressive spirit and striking power of an armored battalion. • Training Mission: 4/40th Armor was primarily assigned as a training battalion under the 13th Brigade at Fort Knox, Kentucky, responsible for training thousands of new Armor crewmen and officers. • Cold War Service: The battalion played a significant role during the Cold War, preparing tank crews for potential deployment to Europe in the event of conflict with the Soviet Union. • M1 Abrams Transition: 4/40th Armor was among the first training units to incorporate the M1 Abrams main battle tank into its curriculum, helping transition the U.S. Army to its most advanced armored platform. • Desert Storm Preparations: Although not deployed as a unit to Operation Desert Storm, 4/40th Armor trained many soldiers who later fought in the Gulf War. • Redesignations: Over its history, the battalion underwent several redesignations and reorganizations, reflecting changes in the Army’s force structure and training requirements. • Distinguished Insignia: The unit’s distinctive insignia featured a green and yellow shield with a tank tread and palm frond, symbolizing both armor strength and victory. • Inactivation: The 4/40th Armor was inactivated in 1997 as part of the post-Cold War drawdown, ending a long chapter of training excellence at Fort Knox. • Legacy: Alumni of the 4/40th Armor have gone on to serve in every major U.S. conflict since the Vietnam War, carrying forward the skills and esprit de corps instilled at the battalion.