 Complete the following phrase:  They arrived in the midst of General Ulysses S. Grants Overland Campaign and were directed to proceed to join the Army of the Potomac at Spotsylvania County, Virginia. They arrived on May 18, one of the last days of the Battle of Spotsylvania Court House, and, on May 19, were attached to the 1st Brigade, 2nd Division, II Corps. The next day, they marched with II Corps for the North Anna River, arriving on the night of May 23. They participated in skirmishing in the 