 Ramba uchiverenga ndima iyi - Shepard akagadzwa kuva mukuru muMissouri Militia Union pana June 18, 1861. Muna August 1861, akava mubatsiri mukuru weBrigadier General Nathaniel Lyon. Akakuvadzwa muhondo yeWilsons Creek musi waAugust 10, 1861. Akagadzwa lieutenant colonel we19th Missouri Volunteer Infantry Regiment musi waAugust 30, 1861 uye colonel we3rd Missouri Volunteer Infantry Regiment musi waJanuary 18, 1862 apo ma regiments akabatanidzwa. Akagadzwa colonel we51st United States Colored Infantry Regiment musi waMay 9, 1863. Somukuru mukuru akatungamirira African Brigade, XVII Corps, Army of the Tennessee, panguva yeVicksburg Siege. 