sentences:  During the Battle of Antietam, as lieutenant colonel of his regiment, he was wounded again in the right leg as his regiment was decimated along with the rest of Maj. Gen. John Sedgwick's division during an ambush.He left for Michigan to recuperate, and was promoted to command of the regiment prior to the Battle of Fredericksburg.His regiment was selected to make an amphibious assault to drive Confederate sharpshooters out of the town, and they were successful, although Baxter was again wounded, this time in the left shoulder.