Ka kammala wannan jumla: A farkon yakin basasa, an nada Colquitt kyaftin a cikin 6th Georgia Infantry. Daga bisani ya tashi zuwa colonel, ya jagoranci rundunarsa a cikin Kamfen na Peninsula. A cikin
Bakwai Pines, ya dauki kwamandan brigade bayan Brig. Janar Gabriel Rains ya ji rauni, kuma ya jagoranci shi ta hanyar Yakin Kwanaki Bakwai. Ya jagoranci rundunarsa a karkashin Stonewall Jackson a yakin Kudancin Mountain, yakin Antietam, yakin Fredericksburg, da kuma yakin Chancellorsville. Colquitt ya tsira daga Antietam ba tare da wata matsala ba ko da yake kusan kowane jami'in a cikin brigade ya mutu ko ya ji rauni. Bayan yakin, nan da nan ya ci gaba da zama brigadier janar, don zama daga ranar 1 ga Satumba.