 After the general reorganization of Lee's army following the Battle of Antietam in September 1862, the Georgians and South Carolinians were reassigned to brigades from their respective states; the 3d Arkansas was added because it was the only other trans-Mississippi regiment serving with Lee's army.The brigade's first general engagement was at Eltham's Landing on May 7, 1862, where it lost 36 men killed and wounded.During the Battle of Seven Pines, it was directed to support Longstreet's command.