[4] Each adjutant general commands their state's Army and Air National Guard units which are not on federal active duty.
Two adjutants general, Puerto Rico and Texas, are also responsible for an air support component.
Some adjutant generals are responsible for oversight of the state's emergency management organization.
Some states have assigned their adjutant general the responsibility for overseeing homeland security.
Many hold federal rank as active duty general officers, but others may for a variety of reasons, including mandatory federal military retirement age, only hold general officer rank from their state.