Rukunin ya shiga aikin tarayya a ranar 15 ga Oktoba, 1861, a St. Albans, Vermont a karkashin Kanar Nathan Lord, Jr., dan shugaban Kwalejin Dartmouth Nathan Lord. An yi aiki a ciki, ko kuma a wurin, Warwick Creek, Lee's Mill, Williamsburg, Golding's Farm, Savage's Station
da kuma White Oak Swamp a lokacin yakin Peninsula; Crampton's Gap da Antietam a lokacin yakin Maryland na 1862; Yaƙin Fredericksburg, Marye's Heights, Salem Church, da Banks 'Ford; Gettysburg da Funkstown a lokacin yakin Gettysburg; Gainesville da Rappahannock Station; Dajin daji, Spotsylvania, Cold Harbor, Petersburg, Wilmington da Weldon Railroad, da Reams 'Station a lokacin yakin basasa; Fort Stevens; Charlestown, Yaƙin Winchester na Uku, Fisher's Hill, da Cedar Creek a lokacin yakin Shenandoah Valley; Siege na Petersburg, da Sayler's Creek.