 Complete the following phrase:  As regimental commander, he served in the Peninsula Campaign in the Second Division, VI Corps, Army of the Potomac. Bidwell apparently was not present at the Battle of South Mountain or the Battle of Antietam. In 1863, when VI Corps, under Maj. Gen. John Sedgwick, crossed the Rappahannock River during the campaign culminating in the Battle of Chancellorsville, Bidwells regiment served in the brigade of Brig. Gen. Thomas H. Neill in the Second Division, VI corps, now under Brig. Gen. Albion Howe. The 49th New York distinguished itself by fending off probing attacks launched by Confederate MG Jubal Early as Neills brigade approached Fredericksburg, Virginia. Bidwell thereafter was involved in the Second Battle of Fredericksburg and the 