 Following the Proof of Principle, the construction and rotations would continue until the brigade combat team headquarters could be established by January 2008, followed by a full-up BCT-sized rotation in summer 2008.However, in May 2007, the Pentagon announced that the 2SCR would be participating in the surge of U.S. forces to Iraq.USAREUR replaced 2SCR's participation in the Proof of Principle with 1-94th Field Artillery battalion, a unit well-prepared to conduct the type of training envisioned to help prepare the Romanian and Bulgarian units scheduled to deploy to Iraq and Afghanistan.