172nd Infantry Brigade, 4th Battallion , 23rd Inf.

• Origins: The 4th Battalion, 23rd Infantry Regiment traces its lineage back to 1866, making it one of the oldest active units in the U.S. Army. • Nickname: The 23rd Infantry Regiment is nicknamed "Tomahawks," a reference to the Native American weapon and the unit's historic insignia. • World War II Valor: The battalion fought bravely in the Aleutian Islands, Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe campaigns. • Korean War Heroism: The 23rd Infantry earned distinction at the Battle of Chipyong-ni in 1951, where it withstood a massive Chinese assault in one of the Korean War’s most celebrated defensive actions. • Vietnam Deployment: The 4th Battalion served in Vietnam, participating in major operations and earning several unit citations for its actions. • Stryker Transformation: In the early 2000s, the 4-23 Infantry was transformed into a Stryker Infantry Battalion, joining the 172nd Stryker Brigade Combat Team based in Alaska. • Extended Iraq Deployment: The battalion was part of the 172nd's record-breaking 16-month deployment to Iraq in 2005-2006, one of the longest tours of any Army unit since World War II. • Combat Action in Mosul: During its Iraq deployment, the 4-23rd fought in Mosul, helping to stabilize the city during the height of the insurgency. • Distinctive Unit Insignia: The 23rd Infantry Regimental insignia features a blue shield and tomahawk, symbolizing the unit’s strength and readiness. • Decorations: The battalion has received numerous awards including Presidential Unit Citations, Valorous Unit Awards, and foreign decorations for gallantry and service.