Military Review English Edition November-December 2015 - Page 31

MARNE (Photo courtesy of the Library of Congress) Imperial German Army Col. Gen. Alexander von Kluck (fifth from the left) and his First Army staff, autumn 1914 Six Weeks in 1914 Campaign Execution and the Fog of War—Historical Lessons for the Military Professional John J. McGrath W orld War I in general and the so-called First Battle of the Marne in particular are still relevant to military operations today. There are many lessons that the modern military professional can draw from the first six weeks of the war, which was fought mainly between German forces and those of the allied French and British. Among the most important of these is that even if an army MILITARY REVIEW  November-December 2015 espouses mission command in its culture and doctrine, it can execute it poorly or in a manner that could make the methodology not only ineffective, but also counterproductive. The first Marne campaign was unique and paradoxical since it was a strategic loss for Germany in a situation where German forces won almost every tactical engagement. Analyzing how this happened offers 29