On July 5, 1864, the Right Wing of the Union Army's 16th Army Corps embarked unpon a strategic offensive campaign to ensure the safety of Sherman's supply lines during the Atlanta Campaign. After the Confederate victory at the Battle of Brice's Crossroads, the supply lines in Georgia became increasingly vulnerable. The Union Army's north Mississippi campaign ended on July 21, 1864.[1][2]
The expedition was a Union success with the Battle of Tupelo however the Federal troops began a retreat back to Memphis within a few days due to spoiled rations.