Before its fateful September 1863 engagement at Stirling’s Plantation, La., where the trio in this story were captured, the 19th Iowa fought alongside the 20th Wisconsin at the Batttle of Prairie Grove, Ark., on December 7, 1862 (top), and served during the Union siege of Vicksburg, Miss., in May-July 1863 (Top, Granger NYC, bottom Corbis via Getty Images)