Mezue ahịrịokwu na-esonụ: Johnson sonyere ndị agha Union mgbe ọ dị afọ 15. E debara aha ya na mbụ na Company H nke 43rd Ohio Infantry Regiment. E kenyere ndị agha ahụ iwu nke XVI Corps na Ngalaba nke Anọ, mana n'oge opupu ihe ubi nke 1864, a kpọfere Johnson na Ngalaba nke Mbụ nke XVII Corps. N'ebe ahụ, o jere ozi n'okpuru Ọchịagha John W. Sprague. Na Mee 1, 1864, ndị agha Johnson sonyeere ndị agha General William Tecumseh Sherman na Chattanooga. Agha mbụ Johnson so lụọ ebe a gbara ya bụ Agha Decatur. Johnson nwetara obere mmerụ ahụ n'ụkwụ, n'elu nkwonkwo ikpere aka ekpe, n'agha nke Resaca. Johnson ka sonyere n'agha ndị ga-eme n'ọdịnihu, dịka Agha Dallas, Agha Kennesaw Mountain, na Agha Peachtree Creek. Mgbe ndị
N'oge ọdịda Atlanta, Johnson rụrụ ọrụ dị ka onye na-elekọta ndị agha maka General Sprague, ọ bụ n'ọkwa ahụ ka ọ rụrụ ọrụ ruo mgbe a chụrụ ya n'ọrụ na njedebe nke agha ahụ. Mgbe agha ahụ biri, Johnson laghachiri Lorain County, Ohio.