My Response To My 1997 Article

Shawn likes to post up on the blog old articles from The International TNDM Newsletter. The previous blog post was one such article I wrote in 1997 (he posted it under my name…although he put together the post). This is the first time I have read it since say….1997. A few comments:

  1. In fact, we did go back in systematically review and correct all the Italian engagements. This was primarily done by Richard Anderson from German records and UK records. All the UK engagements were revised as were many of the other Italian Campaign records. In fact, we ended up revising at least half of the WWII engagements in the Land Warfare Data Base (LWDB).
  2. We did greatly expand our collection of data, to over 1,200 engagements, including 752 in a division-level engagement database. Basically we doubled the size of the database (and placed it in Access).
  3. Using this more powerful data collection, I then re-shot the analysis of combat effectiveness. I did not use any modeling structure, but simply just used basic statistics. This effort again showed a performance difference in combat in Italy between the Germans, the Americans and the British. This is discussed in War by Numbers, pages 19-31.
  4. We did actually re-validate the TNDM. The results of this validation are published in War by Numbers, pages 299-324. They were separately validated at corps-level (WWII), division-level (WWII) and at Battalion-level (WWI, WWII and post-WWII).
  5. War by Numbers also includes a detailed discussion of differences in casualty reporting between nations (pages 202-205) and between services (pages 193-202).
  6. We have never done an analysis of the value of terrain using our larger more robust databases, although this is on my short-list of things to do. This is expected to be part of War by Numbers II, if I get around to writing it.
  7. We have done no significant re-design of the TNDM.

Anyhow, that is some of what we have been doing in the intervening 20 years since I wrote that article.

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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.
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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.
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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) , The Battle of Prokhorovka (Stackpole Books, Guilford, CT., 2019), The Battle for Kyiv (Frontline Books, Yorkshire, UK, 2023), Aces at Kursk (Air World, Yorkshire, UK, 2024), Hunting Falcon: The Story of WWI German Ace Hans-Joachim Buddecke (Air World, Yorkshire, UK, 2024) and The Siege of Mariupol (Frontline Books, Yorkshire, UK, 2024).
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Mr. Lawrence lives in northern Virginia, near Washington, D.C., with his wife and son.

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