 Complete the following phrase:  May spent most of his career in the Second Regiment of Dragoons, but also had a brief stint in the First Regiment of Dragoons. As a lieutet, he participated in the Second Seminole War, where he was responsible for the capture of an important tribal chief. During the Mexican War, he commanded a squadron during Zachary Taylors expedition, and saw action in the Battles of Palo Alto, Resaca de la Palma, 