U.S. Army Special Forces soldiers observe as Nigerien armed forces service members fire their weapons with the assistance of Illumination rounds during Exercise Flintlock 2017 in Diffa, Niger, March 9, 2017. Flintlock is a Special Operations Forces exercise geared toward building interoperability between African and western partner nations. (U.S. Army photo by Spc. Zayid Ballesteros)

How the Pentagon Uses a Secretive Program to Wage Proxy Wars

Exclusive documents and interviews reveal the sweeping scope of classified 127e operations.

The Intercept