The royal warship Vasa is seen at the Vasamuseet museum in Stockholm on April 24, 2011. (Scanpix Sweden, Anders Wiklund/AP Photo) ================================================================= COPENHAGEN, Denmark—A U.S. military laboratory has helped Swedes confirm what was suspected for years: A woman was among those who died on a 17th-century warship that sank on its maiden voyage, the museum that displays the ship said Tuesday. The wreck of the royal warship Vasa was raised in 1961, and was remarkably well-preserved after more than 300 years underwater in the Stockholm harbor. It has since been place at the Vasa Museum, one of Stockholm’s top tourist...