Both components are part of the Arizona Department of Emergency and Military Affairs.

[3] When National Guard troops are called to federal service, the President serves as Commander-in-Chief.

"[4] The governor may call individuals or units of the Arizona National Guard into state service during emergencies or to assist in special situations which lend themselves to use of the National Guard.

A state defense force (SDF) is a military entity authorized by both federal statute and executive order.

The SDF comprises retired active and reserve military personnel and selected professional persons who volunteer their time and talents in further service to their state.