<prompt> Bhala ukuqhubeka kwalesi sigaba - I-1st Missouri Light Artillery Regiment kwakuyiyunithi yezikhali ezivela eMissouri ezazikhonza e-Union Army ngesikhathi seMpi Yombango yaseMelika. Le yunithi yaqala ukusebenza njenge-1st Missouri Infantry Regiment, kodwa yaguqulwa yaba yi-artillery regiment ngo-Septhemba 1861 futhi yakhuliswa yaba namandla ezinkampani eziyi-12. Ngemva kwalokho, inkampani ngayinye yayisebenza njengebhethri lezikhali ezizimele, ngokuvamile ihlukaniswe nezinye izinkampani ezisebuthweni. Amabhethri ngamanye ayesebenza ezenzweni eziningi eWestern Theater of the American Civil War futhi amabhethri amaningana ayesebenza ndawonye ezimpini ezibalulekile njengeFort Donelson, Shiloh  <response>: , eKorinte, ePrairie Grove, naseVicksburg. 