 Complete the following phrase:  John Merrick joined the 3rd earl of Essexs expedition to Flanders in 1620. In 1624, he fought as a soldier in the Low Countries and fought in Spain in 1625; he was also knighted that year. He fought in the Thirty Years War under Gustavus Adolphus and was wounded on 17 August 1632 before Maastricht. In 1639-40, he commanded a regiment in the Bishops Wars. When the 