Waging Insurgent Warfare: Lessons from the Vietcong to the Islamic State

Since the end of World War II, there have been 181 insurgencies around the world. In fact, most modern warfare occurs in the form of insurgencies, including in such high-profile countries as Iraq, Syria, Libya, Afghanistan, and Ukraine. However, in spite of their prevalence, we still know relatively little about how insurgencies function. With more than three dozen violent insurgencies currently taking place today, a deeper understanding of insurgent groups is more important than ever.

In W...