John W. Hall is an associate professor and the inaugural holder of the Ambrose-Hesseltine Chair in U.S. Military History at the University of Wisconsin–Madison. He served fifteen years as an active-duty infantry officer in the U.S. Army and is a former faculty member of the U.S. Military Academy at West Point. His research focuses on early American warfare with a particular emphasis on intercultural conflict and cooperation between European and Native American societies during the eras of the American Revolution and the early republic. He is the author of Uncommon Defense: Indian Allies in the Black Hawk War (2009) and numerous essays on early American warfare. His current book project, “Dishonorable Duty: The U.S. Army and the Removal of the Southeastern Indians,” examines how Andrew Jackson’s administration used military force to transform a contested borderland into part of a factious national domain. Within the field of military history, his research has focused on “small wars” involving irregular forces and U.S. defense policy.