sentences:  In September 1861, during the Civil War, he enlisted in the Confederate States Army in Company F, 8th Kentucky Infantry, at the age of 17.Elected a lieutenant, Laffoon was captured at the Battle of Fort Donelson on February 16, 1862, and was held a prisoner of war at Camp Morton, at Indianapolis, Indiana.He was exchanged at Vicksburg in September 1862 and was discharged at Knoxville, Tennessee.