 Nyorai kuenderera mberi kweiyi ndima - Panguva iyo Tullahoma Campaign yakaburitswa Mambo aive asina kukodzera kutungamira varume vake muHondo yeHoovers Gap sezvo ruoko rwake rwakanga rusati rwaporeswa zvizere. Munguva iyi, akanga aitwawo Lieutenant Colonel we14th U.S. Infantry Regiment kunyange zvazvo asina kushumira mumutambo. Zvisinei akadzokera kubasa neboka racho nokukurumidza pashure pacho uye muna July kwenguva pfupi akatungamirira chikamu. MunaGunyana, zvino naAbhusaromu Baird achitungamira chikamu, Mambo akatungamira brigade rake muHondo yeChickamauga; kutambura kurasikirwa kwepamusoro kwehuwandu hwehuwandu hweHurumende chero ipi zvayo mumazuva iwayo ne56. Gare gare aizokwidziridzwa kuva Colonel nokuda kwebasa rake muhondo iyoyo. Akabva atungamira varume vake kupinda muChattanooga Campaign umo brigade yakawedzerwa ne11th Michigan Infantry, 19th Illinois Infantry uye 69th Ohio Infantry regiments; uko yakapinda muHondo yeMishinari Ridge., Mambo anoshaiwa gare gare nemhaka yokurwara. 