On March 15, 2001, the 2d Battalion, 3d Infantry Regiment activated at Fort Lewis, Washington. The 2d Battalion adopted the nickname “Patriots” and organized as part of the 3d Brigade, 2d Infantry Division. They were part of the first Stryker brigades to deploy into combat (2003). The Patriots have deployed four times in support of Operation: Iraqi Freedom and Operation: Enduring Freedom.
Before 2001, the 2d Battalion had been active July 1957-July 1963 (as 2nd Battle Group) and June 1966-October 1970. Those time frames saw the battalion deployed to South Korea and Vietnam, respectively.