"In the US military, the Air National Guard (ANG), as part of the National Guard, is the organized militia of a particular US state.... Each state, territory, and the District of Columbia has an Air National Guard. As Federally-organized militia, Air National Guard units are liable to activation by the governor of the state in which the ANG unit resides. ..."
The National Guard has two branches, Air and Army National Guard.
We are title 32. Active duty AF and Navy are title 10 which basically states that they are under the Pres of US's authority, whereas title 32 is under the Governor of your State.