Colonel, U.S. Army (retired) Len Fullenkamp is professor of military history and strategy at the Army War College. He also taught history at West Point. Len served two combat tours in Vietnam. He has taken numerous army officers on study trips to European battlefields, including the Normandy landings, the Battle of the Bulge and Hurtgen Forest. He has also led groups to Waterloo, the Somme, Verdun, and other Napoleonic and World War I battles.