Producer Mark Marshall and executive producer Sean Astin are working to release a documentary film to honor the 1,800 victims of the Sultana disaster, one of the nation's worst maritime tragedies. The Mississippi steamboat, overloaded with more than 2,300 Union soldiers, exploded just north of Memphis, Tenn., in the early morning hours of April 27, 1865. "These were common men who were tested in battle, suffered in Confederate prison camps and survived, only to die within sight of home," Marshall says on the Sultana project website. To learn more, click here.