[3] During the Battle of Antietam, Pryor's Brigade, still including the Florida regiments, helped relieve D.H. Hill who was being successfully engaged by Union troops at the Sunken Lane.
Perry led the men at Fredericksburg and Chancellorsville but missed Gettysburg due to having typhoid fever.
[5] Because of Perry's illness, David Lang, Colonel of the 8th Florida, was put in command of the brigade on July 1, 1863 when the leading units of the Army of Northern Virginia engaged with the advanced units from the Union's Army of the Potomac outside the town of Gettysburg.
On the second day, the Floridians fought at Cemetery Ridge, where the unit managed to capture several Federal cannons.
[10][11] An analysis of the desertion rates amongst the Floridians in Lee's army reveals that it depended on the individual unit.