Mezue ahịrịokwu na-esonụ: Site n'October 1863 ruo June 1865, Brannan bụ onyeisi ndị agha nke Ngalaba nke Cumberland, ebe ọ na-elekọta nchebe na Chattanooga. Ọ nọ na agha nke Missionary Ridge na na Atlanta Mgbasa ozi ebe ọ sonyere na Agha nke Resaca, Agha nke Dallas na Agha nke Kennesaw Mountain. Ọ nọkwa na
nnọchibido na inyefe Atlanta. A họpụtara ya onye isi ndị agha na ndị agha na-ahụ maka ndị ọrụ afọ ofufo maka Gallant na Meritorious Services na Atlanta Campaign na na Field n'oge Nnupụisi ahụ.