20090529_Great_Wall_8125

Walls are all the rage now. According to various articles, Ukraine is planning on building a wall along its border with Russia. This is some 1200 miles and costs $200 million. It is not a wall, it is a actually a 2 meter (7 foot) tall fence, with a tank ditch 6 meters wide and 2-3 meters deep.

See:

http://www.rferl.org/contentinfographics/the-great-wall-of-ukraine/27573891.html

https://www.rt.com/news/258837-ukraine-fence-russian-border/

http://uatoday.tv/politics/lsquo-great-wall-of-ukraine-rsquo-russian-border-fortification-less-than-10-built-478829.html

http://www.thedailybeast.com/articles/2014/10/27/the-great-wall-of-ukraine.html

(Note: The Daily Beast article may not link).

We actually did do a chapter on the effectiveness of border barriers in America’s Modern Wars (Chapter Ten: Sanctuaries, Border Barriers and Population Resettlement). In our 83 examples there were 13 in which the counterinsurgency force utilized border barriers. Thus, barriers were present in approximately 16% of our cases.

  1. Indochina War (1946-1954)
  2. Algerian War (1954-1962)
  3. Vietnam II (1961-1964)
  4. Vietnam War (1965-1973)
  5. Namibia (1966-1989)
  6. Rhodesia II (1972-1979)
  7. Polisario Rebellion (1973-1991)
  8. Cambodia (1978-1989)
  9. USSR in Afghanistan (1979-1989)
  10. Kashmir (1988 – present)
  11. Second Intifada (2000-2005)
  12. Hamas War (2006)
  13. Hezbollah War (2006)

We conducted a statistical analysis of the relationship between outcome and the presence or absence of border barriers among the 83-case MISS dataset using Fisher’s Exact Test (see below).

 

Outcome by Presence/Absence of Border Barriers
Outcome Yes No Total
Blue 2 40 42
Gray 2 9 11
Red 9 21 30
Total 13 70 83

 

When we test the hypothesis about a nonrandom relationship between insurgency outcome and the border barriers factor in the two-by-three table above using Fisher’s Exact Test, the p-value is 0.0090. The data suggest strong evidence that the two factors may be associated.

We also tested the more specific hypothesis that the odds of a Blue outcome are different in the absence vs. the presence of border barriers by ignoring the gray observations in the testing procedure. The p-value from the Fisher’s Exact Test is 0.0045 in this case, which can be considered strong evidence in support of this hypothesis.

Thus, it appears that the tests confirm that border barriers have not been significant in combating insurgencies, based on the outcome. This is not unexpected, although it could perhaps be considered counterintuitive. Overall, the insurgents won 69% of the time when there was a border barrier vice 30% of the time when there was not one. We suspect that there is another factor in play here (for example: border barriers are usually built in response to large, intractable insurgencies).

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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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2 Comments

  1. What about border walls versus incursions or invasions? And defended walls versus lightly or undefended?

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