He also attended the Cavalry School of Saumur, France, from 1840 to 1842 to learn the French Army's system of Dragoon exercise. In 1844, Beall was promoted to major in the U.S. Army.
He studied at the Cavalry School of Saumur, France, from 1840 to 1842 to learn about the French Army's Dragoon training system. In 1844, Beall was promoted to the rank of major in the U.S. Army.