 Complete the following phrase:  The First Vermont Brigade was organized in October 1861, primarily through the efforts of Maj. Gen. William F. Baldy Smith. It was composed of the 2nd, 3rd, 4th, 5th and 6th Vermont regiments, which had been individually mustered into service between June and September, for a time, it also included the 26th New Jersey Infantry. Its first commander was Brig. Gen. William T. H. Brooks. In April 1862, the brigade was incorporated into the Army of the Potomac as the 2nd Brigade, 2nd Division, VI Corps, and first saw action during Maj. Gen. George B. McClellans Peninsula Campaign in the battles of 