Rubuta ci gaba don wannan sakin layi - A 1863, an tura rukunin zuwa Grand Gulf, Mississippi, babban wuri a Kogin Mississippi. Bayan Manjo Janar Ulysses S. Grant ya sauko da sojojin Union a Bruinsburg, Batirin Landis ya kasance wani ɓangare na kariya na Confederate a yakin Port Gibson
a farkon watan Mayu, bayan da aka inganta Landis kuma Lieutenant John M. Langan ya dauki umurnin. Daga baya a wannan watan, ya shiga cikin yakin Champion Hill. A ranar 17 ga watan Mayu, batirin ya kasance wani ɓangare na rundunar sojojin Confederate da aka ba da alhakin riƙe da ƙetare na Big Black River a yakin Big Black River Bridge, inda ya iya shawo kan kama manyan bindigogi biyu. Batirin Landis na gaba ya ga aikin a lokacin siege na Vicksburg. Duk da yake akwai, baturi ya taimaka wajen kawar da hare-haren Union a ranar 22 ga Mayu. An kama Batirin Landis lokacin da garuruwan Confederate na Vicksburg suka mika wuya a ranar 4 ga Yuli. Ko da yake an musayar mazajen da suka tsira daga baturi, ba a sake tsara baturin ba bayan Vicksburg; a maimakon haka, an shiga cikin Guibor's Missouri Battery tare da Wade's Missouri Battery.