When we think of the Indian Wars that pitted the American Indian tribes against the United States Army, we tend to think of U.S. Army Cavalry, wearing their trademark stetson hats, sabers gleaming, riding into battle. They're usually fighting Native tribesmen who are shooting rifles while riding bareback across the Great Plains. That may have been how some of those battles looked, but after the closing of the frontier in 1890, it looked a lot different. The last great battle (The Battle of...