オーバーランド方面作戦
The regiment took part in 30 battles overall including the Second Battle of Bull Run, the Battle of Antietam, the Battle of Fredericksburg, the Battle of Gettysburg, and numerous engagements during the Overland Campaign and the Siege of Petersburg. In the Overland Campaign, during the Battle of Spotsylvania Court House, the unit was heavily engaged and suffered 54 percent casualties—its worst casualties of the war.