Duration Estimate II

Retired Major General “Spider” Marks was on CNN this morning. He did not buy into the estimate of Mosul being taken in two-three months.

I suspect the duration will be driven by three or four factors:

  1. How serious of a fight ISIL puts up in the areas in front of and around Mosul. I don’t think they will, as this is where they are going to get unfavorable exchanges and take considerable losses. So far it does not seem like they are putting up that serious of resistance.
  2. How many people they decide to leave behind in Mosul. In the Second Battle of Fallujah (2004) the insurgents may have left behind less than a thousand fighters. Don’t have the stats at hand for the other battles. I would be surprised if they leave more.
  3. How aggressive the Iraqi Army is. How hard do they work to finish this off. There is probably a trade-off between time and casualties, so there is a reason to take their time. On the other hand, political leaders usually prefer quick victories.
  4. What is their level of competence.
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Christopher A. Lawrence
Christopher A. Lawrence

Christopher A. Lawrence is a professional historian and military analyst. He is the Executive Director and President of The Dupuy Institute, an organization dedicated to scholarly research and objective analysis of historical data related to armed conflict and the resolution of armed conflict. The Dupuy Institute provides independent, historically-based analyses of lessons learned from modern military experience.

Mr. Lawrence was the program manager for the Ardennes Campaign Simulation Data Base, the Kursk Data Base, the Modern Insurgency Spread Sheets and for a number of other smaller combat data bases. He has participated in casualty estimation studies (including estimates for Bosnia and Iraq) and studies of air campaign modeling, enemy prisoner of war capture rates, medium weight armor, urban warfare, situational awareness, counterinsurgency and other subjects for the U.S. Army, the Defense Department, the Joint Staff and the U.S. Air Force. He has also directed a number of studies related to the military impact of banning antipersonnel mines for the Joint Staff, Los Alamos National Laboratories and the Vietnam Veterans of American Foundation.

His published works include papers and monographs for the Congressional Office of Technology Assessment and the Vietnam Veterans of American Foundation, in addition to over 40 articles written for limited-distribution newsletters and over 60 analytical reports prepared for the Defense Department. He is the author of Kursk: The Battle of Prokhorovka (Aberdeen Books, Sheridan, CO., 2015), America’s Modern Wars: Understanding Iraq, Afghanistan and Vietnam (Casemate Publishers, Philadelphia & Oxford, 2015), War by Numbers: Understanding Conventional Combat (Potomac Books, Lincoln, NE., 2017) and The Battle of Prokhorovka (Stackpole Books, Guilford, CT., 2019)

Mr. Lawrence lives in northern Virginia, near Washington, D.C., with his wife and son.

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