121st Signal Battalion

• Origins in World War I: The 121st Signal Battalion was originally constituted on 7 January 1918 in the National Army as the 2nd Field Signal Battalion and assigned to the 1st Expeditionary Division, later known as the 1st Infantry Division. • Combat Debut: The unit saw its first combat during World War I, participating in major campaigns such as the Aisne-Marne, St. Mihiel, Meuse-Argonne, and Lorraine. • Re-designation: In 1921, the battalion was reorganized and redesignated as the 121st Signal Battalion, solidifying its place as a key communications component in the U.S. Army. • World War II Service: The battalion served with distinction throughout World War II, supporting the 1st Infantry Division in major operations including the North Africa Campaign, Sicily, Normandy (D-Day), and the Battle of the Bulge. • Normandy Beach Landing: On D-Day, June 6, 1944, elements of the 121st Signal Battalion landed on Omaha Beach, ensuring critical communications during one of the most pivotal battles of the war. • Korean War Actions: The battalion was again mobilized for the Korean War and provided vital communications support during key battles, including the Pusan Perimeter and the push to the Yalu River. • Vietnam War Deployments: The 121st Signal Battalion deployed multiple times to Vietnam, where it maintained communications for the 1st Infantry Division, earning several campaign streamers and unit commendations. • Distinctive Unit Insignia: The battalion's insignia features a golden torch symbolizing knowledge and communication, and a red lightning flash representing speed and power in signal operations. • Balkan Peacekeeping: In the 1990s, the unit supported peacekeeping missions in the Balkans, providing command and control communications during operations in Bosnia and Kosovo. • Inactivation: After decades of distinguished service, the 121st Signal Battalion was inactivated on 15 January 2009 at Fort Riley, Kansas, as part of the Army’s transformation and reorganization efforts.