It began more than two decades ago. On Sept. 20, 2001, President George W. Bush declared a “war on terror” and told a joint session of Congress and the American people that “the course of this conflict is not known yet its outcome is certain.”
In the two decades since, the 2001 Authorization for Use of Military Force has been formally invoked to justify counterterrorism (CT) operations - including ground combat, airstrikes, detention, and the support of partner militaries - in 22 countries, according to a new report by Stephanie Savell of Brown University’s Costs of War Project..