 Complete the following phrase:  The Union Guards were heavily engaged on both December 11 and December 13, 1862, at the Battle of Fredericksburg. During the Chancellorsville Campaign in early May 1863, the 59th supported Sedgwicks actions against Maryes Heights. In June, the command of the regiment changed dramatically after Colonel William Northedge resigned due to charges of corruption and drunkenness on duty. Lieutet Colonel Max A. Thoman replaced Northedge as commander. Under Thomans leadership, the small number of the 59th marched with the rest of Colonel Norman J. Halls brigade of Brig. Gen. John Gibbons division into Pennsylvania during the 