 Ramba uchiverenga ndima iyi - Pashure pePeninsula Campaign, maPennsylvania Reserves akabatana neIII Corps yeArmy of Virginia, gare gare I Corps muArmy of the Potomac. Seymour akaita zvakanaka muhondo dzeSecond Bull Run, South Mountain, uye Antietam muhafu yekupedzisira ya1862, kunyanya mukutora kwebrigade yake yeFrosttown Gap, Maryland, musi waGunyana 14. Seymour akatora mutungamiri weVashandi mushure mokunge Brig. General George G. Meade akava mutungamiri weboka. Akagamuchira chiremera kubva kuhondo yenguva dzose yemutungamiri mukuru mushure meSouth Mountain uye iyo yemutungamiri mukuru mushure meAntietam. 