The U.S. Merchant Marine, while running supplies to U.S. armed forces and their allies, suffered one of the highest casualty rates of World War II. With one out of three ships being sunk, thousands would perish on poorly armed cargo ships on every sea of the world. There were no doctors on board and their guns often wouldn’t fire. Their story is told by those who survived and have yet to receive full acceptance and recognition for their heroic sacrifices and achievements.