This thread provides methodological notes about what the map is & isn't. 1/
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Nov 2016: understandingwar.org/backgrounder/a…
Feb 2017: understandingwar.org/backgrounder/w…
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ISW detailed our methodology for assessing a VBIED versus other kinds of IEDs in 2013. 15/
understandingwar.org/sites/default/…
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