Makore maviri gare gare, pana January 22, 1862, William H. Paul akanyoresa nokuda kwebasa rehondo reHondo yaVagari vemo muPhiladelphia, Pennsylvania. Akabva azopinda muchiuto paCamp McClellan muNicetown-Tioga muPhiladelphia musi iwoyo chaiwo semurwi weChikwata E che90th Pennsylvania Infantry. Zvinyorwa zvechiuto panguva iyoyo zvakamurondedzera somugari wePhiladelphia ane makore 20 akanga akareba 5<unk> 3-1/2<unk> ane bvudzi rakasvibira, maziso ehazel uye ruvara rwakajeka. Pakupera kwaKurume, mushure mekudzidziswa kwekutanga, akaendeswa nehurumende yake nechitima kuenda kuBaltimore, Maryland, akaiswa paPatterson Park Barracks, uye akashongedzerwa nechinoshandiswa musket musket asati atamiswazve, nenzira yeWashington, DC, kuAquia Creek Landing, uye akapiwa nehurumende yake ku2nd Brigade, 2nd Division yeU.S. Army's 1st Corps pasi pekutungamirirwa naGeneral Irvin McDowell. Akaenda kunzvimbo dzakasiyana-siyana achitsigira mabasa eUnion Army kwemwedzi inoverengeka inotevera, Paul nevamwe vake 90th Pennsylvanians vakaona chiito chavo chekutanga chikuru muHondo yeCedar Mountain, Virginia (Nyamavhuvhu 9, 1862) panguva yekuvhurwa kweNorthern Virginia Campaign. Vakarairwa kuparadza bhiriji rechitima pachiteshi cheMitchell musi waAugust 15, vakazochengetedza kumashure kweUnion Army sezvo yakadzokera shure kuyambuka Rwizi rweRappahannock, uye ndokuzopa rutsigiro kumabhatiri epfuti yeUnion panguva yeHondo Yekutanga yeRappahannock Station (Nyamavhuvhu 22-25 Nyamavhuvhu) vasati vaenderera mberi nemabasa ane chekuita neHondo yeThoroughfare Gap (Nyamavhuvhu 28). Mushure mokurwa muHondo yechipiri yeBull Run (August 28<unk>30) uye Hondo yeChantilly
(Gunyana 1), vakagoverwazve kuMaryland Campaign pasi paMajor-General Joseph Hooker, uye vakarwa zvakare muhondo yeSouth Mountain (Gunyana 14).