As part of the Grow the Army Plan announced 19 December 2007, the Army will activate and retain two Infantry Brigades in Germany until 2012 and 2013. On 6 March 2008, it was announced that the 172nd Infantry Brigade would be activated as the first of these brigades, with the other being the 170th Infantry Brigade. On 17 March, the 172nd Infantry Brigade was formally activated in Schweinfurt, Germany by reflagging the 1st Infantry Division's 2nd (Dagger) Brigade, which relocated to Ft. Riley, KS. Colonel Jeffrey Sinclair was commanding the brigade at the time. The 172nd Infantry Brigade relocated to Grafenwöhr, Germany. The 172nd Infantry Brigade was activated with the following unit redesignations: