 Pari gbolohun ti o tẹle: Ni ibẹrẹ Ogun Abẹle, Sharp wọle ni 1st Mississippi Battalion, eyiti o ti ni iṣọkan nigbamii sinu 44th Mississippi Infantry ti a tun mọ ni Blythes Regiment. Ó gòkè láti ọmọwé sí ọgágun, ó sì kópa nínú Ogun Shiloh, Ogun Kentucky ti Bragg, àti Ogun Murfreesboro. Ti a gbega si ọga agba ni Oṣu Kẹjọ ọdun 1863, o ṣe olori ẹgbẹ kan lẹhin igbega ti Brig. Gbogbogbo Patton Anderson ati pe o jẹ olori rẹ ni Chickamauga ati awọn : Ìjà tí wọn jà ní òkè Missionary Ridge. 