Tuhia he tomokanga mō tēnei wāhanga - I noho a Dunham i te hotoke o te tau 1861<unk>1862 i te puni ki te 11 o Massachusetts e tata ana ki Washington i te wā i whakangungu ai te ope a te Uniana, i whakarite ai hoki mō te Campaign Peninsular. I te timatanga o te pakanga, i uru te ope ki te Pakanga o Williamsburg i te Mei 5, 1862, me te nui o nga mate. Mo ta raatau whakahaere i te pakanga, i whakawhiwhia e te Kawana a John Andrew o Massachusetts te roopu ki te haki whawhai hou. I te toenga o te pakanga Peninsular, ko te 11th Massachusetts i uru ki te mahi pikete. He tūranga iti ta rātau i roto i te Pakanga o ngā Rā e whitu i te pakanga ki te Tauranga o Savage
Ko Malvern Hill hoki.