Dhameystir weedha soo socota: Sanadkii 1863, waxaa ciidanka loo wareejiyay Grand Gulf, Mississippi, oo ah meel muhiim ah oo ku taala webiga Mississippi. Ka dib markii Major General Ulysses S. Grant uu ka soo dejiyey ciidamada Union ee Bruinsburg, Landis Battery wuxuu qeyb ka ahaa difaaca Confederate ee dagaalada
Port Gibson horraantii bishii May, ka dib markii Landis la dalacsiiyay iyo Lieutenant John M. Langan ayaa qaatay amar. Dabayaaqadii bishaas, waxay ka qeyb qaadatay Dagaalkii Champion Hill. 17-kii Maajo, baytarigu wuxuu qayb ka ahaa ciidamada Confederate-ka ee loo xilsaaray inay qabsadaan isgoyska Webiga Weyn ee Weyn ee Webiga Weyn ee Weyn, halkaas oo laga yaabo inay ku dhacday laba qori. Landis's Battery ayaa markii dambe dagaal ku galay intii lagu jiray go'doominta Vicksburg. Intii ay halkaas joogtay, baytarigu wuxuu gacan ka geystay ka hortagga weeraradii Midowga ee 22kii Maajo. Landis's Battery waxaa la qabsaday markii ciidanka Confederate ee Vicksburg ay is dhiibeen 4-tii bishii Luulyo. In kasta oo raggii ka badbaaday batteriga la isweydaarsaday, batteriga dib looma abaabulin ka dib Vicksburg; taa bedelkeeda, waxaa lagu dhex daray Guibor's Missouri Battery oo ay weheliso Wade's Missouri Battery.