I te puna o te tau 1862, ka tū te ope o Banks ki te aroaro o ngā ope o te Rōpū o Lt. Gen. Thomas Jackson i roto i tētahi raupapa whawhai e mōhiotia ana ko te Campaign Valley o Jackson. I te marama o Mei 1862, i whai mana a Andrews i a Colonel George Henry Gordon hei rangatira mo te 2nd Massachusetts ka arahi i te roopu i te Pakanga Tuatahi o Winchester
He aha? I te Pipiri 13, 1862, i whakatairangahia a Andrews ki te koroneela.