National Guard units are under the dual control of U.S. state governments and the U.S. federal government. State and territorial (32 U.S.C.) "Always Ready, Always There!" The majority of National Guard soldiers and airmen hold a civilian job full-time while serving part-time as a National Guard member.

The Insurrection Act of 1807 is the U.S. federal law that empowers the president of the United States to nationally deploy the U.S. military and to federalize the National Guard units of the individual states in specific circumstances, such as the suppression of civil disorder, of insurrection, and of armed rebellion ...