May spent most of his career in the Second Regiment of Dragoons, but also had a brief stint in the First Regiment of Dragoons.<unk> 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 lieutenant, he participated in the
II Seminole War, where he was responsible for the capture of an important tribal chief. During the Mexican War, he commanded a squadron during Zachary Taylor's expedition, and saw action in the Battles of Palo Alto, Resaca de la Palma, Monterrey, and Buena Vista.<unk>During the Mexican War, he commanded a squadron during Zachary Taylor's expedition, and saw action in the Battles of Palo Alto, Resaca de la Palma, Monterrey, and Buena Vista. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ May later served in various parts of the American frontier, including during the Bleeding Kansas crisis.