Ramba uchiverenga ndima iyi - Shaw akanyoresa muUnion Army nokuda kweHondo Yenyika yeAmerica, achibatanidza Kambani A, 35th New York Volunteer Infantry Regiment somunhu oga muna June 1861. Akazokwidziridzwa kuva mukuru mukuru, uye akashanda kusvikira abviswa pamwe chete nerimwe boka rake muna June 1863. Shaw akatora chikamu mumabasa echikwata ichi muVirginia neMaryland, kusanganisira; kuvakwa kweFort Tillinghast neFort Craig (matsutso 1861); kuchengetedza uye kutenderera basa muFalls Church, Virginia (chando 1861-1862); kuchengetedza uye kutenderera basa muFalmouth, Virginia (chirimo 1862); hondo paRappahannock Station, White Sulphur Springs, uye Gainesville (zhizha 1862); Hondo yechipiri yeBull Run (Nyamavhuvhu 1862); Chantilly
(September 1862); South Mountain (September 1862); Antietam (September 1862); uye Fredericksburg (December 1862). MunaJanuary, 1863, regiment yakapiwa kuProvost Guard Brigade muFalmouth, uye yakaitawo varindi uye patrol basa pamwe neAquia Creek njanji. Muna May, hurumende yakabva kuMaryland ichienda kuNew York kuitira kuti ishandiswe.