Thomas Ty SmithThomas Ty Smith, a retired colonel in the U.S. Army, is the author of The Old Army in the Big Bend of Texas: The Last Cavalry Frontier, 1911–1921 and The U.S. Army and the Texas Frontier Economy, 1845–1900. Books by the Author Previous slide in carousel The Garza War in South Texas Under the Double Eagle The Old Army in Texas The Old Army in the Big Bend of Texas Until They Are Home The U.S. Army and the Texas Frontier Economy, 1845-1900 Next slide in carousel