Source
DOD publication titled 'Irregular Warfare, Version 1.0, September 2007' download via https://www.jcs.mil/Doctrine/Joint-Concepts/Joint-Concepts/
Direct link
https://www.jcs.mil/Portals/36/Documents/Doctrine/concepts/joc_iw_v1.pdf?ver=2017-12-28-162020-260
Archive
https://web.archive.org/web/20210219002920/https://www.jcs.mil/Portals/36/Documents/Doctrine/concepts/joc_iw_v1.pdf?ver=2017-12-28-162020-260