Whakaotihia te rerenga e whai ake nei: I te Pakanga o White Oak Swamp i te Pipiri 1862, i patua a Lewis i te waewae matau e te wahi o te pupuhi pu. I muri mai ka uru ia ki nga pakanga katoa o te 5th Regiment, haunga a
I rere a Mine me Antietam tae noa ki Mei 1864, i te wa i tapahia ai tona ringa maui i te pokohiwi na nga whara i pa ki a ia i te ra tuatahi o te Pakanga o te Wildness. I kawea ia ki Fredericksburg, katahi ka Buffalo, i reira tana wahine i tiaki i a ia i a ia e whakaora ana. I te marama o Hepetema 1864, i tukuna ia ki te honore, a ka uru atu ki te Veterans Reserve Corps (VRC) hei koronel; i te Poutu-te-rangi 1865, i whakatairangahia ia ki te rangatira rangatira.