Birkett D. Fry assumed command of Archer's Brigade and led it during Pickett's Charge, while Archer and his younger brother and aide-de-camp Robert Harris Archer (1820–1878) were sent to Fort Delaware for prisoner processing.
Birkett D. Fry overtog kommandoen over Archers Brigade og førte den under Pickett's Charge, mens Archer og hans yngre bror og aide-de-camp Robert Harris Archer (1820–1878) blev sendt til Fort Delaware som krigsfange.