From the Special Operations Research Office (SORO). Read the source text of "Human Factors Considerations of Undergrounds in Insurgencies" here: https://books.

From the Special Operations Research Office (SORO). Read the source text of "Human Factors Considerations of Undergrounds in Insurgencies" here: https://books.google.com/books?printsec=frontcover&vid=LCCN66062974#v=onepage&q&f=false https://books.google.com/books?printsec=frontcover&vid=LCCN6... Find a more updated version here: https://www.researchgate.net/publication/333222899/figure/fig2/AS:760688574222338@1558373697874/Updated-version-of-the-SORO-pyramid-Tompkins-2013-6.png https://www.researchgate.net/publication/333222899/figure/fi...