Founded by Winston Churchill, their irregular warfare against the Germans helped to change the course of the war, and gave birth to modern black operations.

The annex was released in October. Struggle in the gray zone The US military defines irregular warfare as a "violent struggle among state and non-state actors for legitimacy and influence over the ...

Led by Dr. Daniel Byman, the Warfare, Irregular Threats, and Terrorism Program (formerly known as the Transnational Threats Project) conducts research and analysis on irregular and hybrid warfare, ...