Wolfgang Luth was one of only seven men to win Germany's highest combat decoration. He operated in almost every theater of the undersea war from Norway to the Indian Ocean and he was the second most successful German U-boat ace in World War II. Luth is credited with sinking 47 Allied ships and a submarine - a record topped only by Otto Kretschmer. In 1944, after 16 war patrols, including one that lasted a record 203 days at sea, he was named the youngest...