A Military Guide to Terrorism in the Twenty-First Century is a reference guide prepared under the direction of the
U.S. Army Training and Doctrine Command (TRADOC), TRADOC G2 as a capstone reference guide on terrorism. TRADOC G2 Handbook No. 1,
A Military Guide to Terrorism in the Twenty-First Century is prepared by the TRADOC G2. Understanding terrorism spans foreign and
domestic threats of nation-states, rogue states with international or transnational agents, and other actors with specific strategies,
tactics, and targets. This terrorism guide addresses foreign and domestic threats against the United States of America in a contemporary
operational environment (COE).