The classes of the militia are— (1) the organized militia, which consists of the National Guard and the Naval Militia; and (2) the unorganized militia, which

The classes of the militia are— (1) the organized militia, which consists of the National Guard and the Naval Militia; and (2) the unorganized militia, which consists of the members of the militia who are not members of the National Guard or the Naval Militia. Members of the militia are "all able-bodied males at least 17 years of age and,... under 45 years of age who are, or who have made a declaration of intention to become, citizens of the United States and of female citizens of the United States who are members of the National Guard.""