Mezue ahịrịokwu na-esonụ: Na Julaị 23, 1861, e nyere ya iwu nke ndị 5th Connecticut Volunteer Infantry, ma nye ya ọkwa nke Colonel. Ndị agha mbụ bụ ndị agha nke mbụ Colts Revolving Rifles nke Connecticut na Samuel Colt kwesịrị iduzi ya, mana ndị agha ahụ abanyeghị n'ọhịa. Nhazi ya dara, a haziri ndị agha ahụ ọzọ na Mee 1861. Na mbido Machị 1862, Ferry duuru ndị agha ya gafee Osimiri Potomac, wee wakpo ndị Confederates na Winchester, Virginia. Omume a ga-emecha mee ka e nwee ihe a kpọrọ
Agha Mbụ nke Winchester. A jara Ferry mma maka ikike o nwere dị ka onye ndú nakwa dị ka onye na-echepụta atụmatụ agha. E buliri Ferry n'ọkwa Brigadier General na Machị 17, 1862. Mgbe ahụ, e tinyere ya n'okpuru iwu nke General James Shields, onye ngalaba ya sonyeere nke General Irvin McDowell. Ọ bụ n'okpuru McDowell ka Ferry lụrụ ọgụ na Agha Mbụ nke Winchester. Ferry gara n'ihu na-eje ozi n'okpuru Shields, n'oge mkpọsa ndagwurugwu.