The
Air National Guard (
ANG), also known as the
Air Guard, is a federal military reserve force as well as the
militia air force of each U.S. state, the District of Columbia, the Commonwealth of Puerto Rico, and the territories of Guam and the U.S. Virgin Islands. It, along with each state's
Army National Guard component, makes up the
National Guard of each state and the districts, commonwealths and territories as applicable.