War Behind the Lines: The Civil War History of The 115th Ohio Infantry Regiment 1862-1865 - Hardcoverby Rexford G. Wiggers (Author) Seldom told is the story of soldiers who fought to protect the vital supply lines that brought ammunition, food, clothing, medicine, equipment and provisions to the front line troops. The 115th Ohio Regiment was given the onerous task of guarding and protecting some 60 miles of the Nashville and Chattanooga Railroad, the single track line supplying Union General William T. Sherman's western army of some 100,000 soldiers.