Tuhia tētahi tohutoro mō tēnei wāhanga - I whakauruhia a Weber ki te whawhai i te Pakanga ā-Iwi hei koroneela i te 16 o Mei, 1861. I whakaarahia e ia he roopu Tiamana-Amerika e mohiotia ana ko te "Turner Rifles", he kamupene i riro hei waahanga o te 20th New York Infantry. I tū a Weber ki Fort Monroe i Virginia. I whai wāhi ia ki te hopu i Fort Hatteras
He aha? Mai i te Mahuru 1861 tae noa ki te Haratua 1862, i whakahau ia i Camp Hamilton, e tata ana ki Fort Monroe, i whakawhiwhia ki a ia hei brigadier general of volunteers i te Paenga-whāwhā 28, 1862. I Newport News ia i te wa o te whawhai i waenga i te "Aroturuki" me te "Virginia" i te tumanako ki te whakaeke a te Rōpū i te whenua. I uru ia ki te hopu o Norfolk, Virginia i te marama o Mei, ka whakahau ia i Suffolk tae noa ki te marama o Hepetema, i te wa i whakahaua ai ia ki te Ope o te Potomac i reira ia i whakahau ai i te Tuatoru o nga Brigade, Tuatoru o nga Wahanga, Tuarua Army Corps i roto i te Ope o te Potomac.