Louis A. DiMarco retired as a Lieutenant Colonel in the United States Army after more than 24 years of active service as an armored cavalry officer. He now teaches military history at the US Army Command and Staff College. His military assignments include cavalry troop command, instructor at the US Army Armor School, and staff assignments at all levels from Division through Joint Headquarters. DiMarco’s civilian education includes a Bachelor of Science Degree from the United States Military Academy, West Point, NY, a Masters in Military Art and Science from the US Army Command and Staff College, Fort Leavenworth Kansas, a Masters of Arts Degree in International Relations from Salve Regina University, Rhode Island, and a Ph.D. in History from Kansas State University. LTC DiMarco has authored several important Army doctrinal manuals, numerous articles and two books: War Horse: A History of the Military Horse and Rider and Concrete Hell: Modern Urban Operations from Stalingrad to Iraq. His work has been published by the Association of the U.S. Army, the Combat Studies Institute, and a variety of professional journals including Armor, Military Review, Proceedings, the Small Wars Journal, Parameters, The Canadian Forces Journal, and the Global War Studies Journal. His book, Concrete Hell, has been translated into numerous foreign languages, used as a text at the US, German and Republic of Korea Staff and War Colleges, is listed on the Army Chief of Staff’s Professional Reading List and is considered a seminal work on this subject. He has lectured around the world to professional audiences on a variety of subjects including counter-insurgency, US Army history, urban operations, and future war trends.