Kammala wannan jumla: Bayan sojojin Frémont sun dakatar da ci gaban su zuwa cikin kwarin bayan McDowell, Jackson ya sake komawa ga cin nasara Banks. Ranar 21 ga watan Mayu, Jackson ya jagoranci jagorancinsa zuwa gabas daga New Market kuma ya ci gaba zuwa arewa. Saurin tafiyarsu na tilastawa ya kasance na musamman na yakin kuma ya sami 'yan bindigarsa sunan lakabi na "ƙungiyar doki na Jackson". Ya aika da mahayan dawakai kai tsaye zuwa arewa don sa Banks ya yi tunanin cewa zai kai hari kan Strasburg, amma shirinsa shi ne ya ci nasara da karamin sansanin a Front Royal kuma da sauri ya kai hari kan hanyar sadarwa ta Banks a Harpers Ferry. Ranar 23 ga watan Mayu, a yakin Front Royal, sojojin Jackson sun yi mamakin kuma sun mamaye wuraren da ke cikin garuruwan Union 1,000, suna kama kusan 700 daga cikin garuruwan yayin da yake fama da asarar rayuka kasa da arba'in. Nasarar Jackson ta tilasta Banks daga Strasburg zuwa cikin sauri zuwa Winchester. Ko da yake Jackson ya yi ƙoƙari ya bi, sojojinsa sun gaji kuma sun sace jiragen kasa na Union, suna jinkirta su sosai. A ranar 25 ga watan Mayu, a
Yaƙin Winchester na Farko, rundunar sojojin Banks sun kai hari ta hanyar haɗuwa da ginshiƙan Confederate kuma an ci su da ƙarfi, sun rasa sama da mutane 1,300 da kuma yawancin kayan aikinsa (gami da ƙaramin makamai 9,000, rabin miliyan na harsashi, da tan da yawa na kayan aiki); sun janye arewa a ƙetaren Kogin Potomac. Jackson ya yi ƙoƙari ya bi amma bai yi nasara ba, saboda fashi da dakarun Ashby da kuma gajiya da sojojinsa; bayan 'yan kwanaki na hutawa, ya bi sojojin Banks har zuwa Harpers Ferry, inda ya yi fada da garkuwar Union.