For the purposes of this chapter, the following definitions apply: (a)"Armed Forces" means the Army, Navy, Air Force, Marine Corps, Space Force, and Coast Guard. (b)"Military orders," with respect to a service member, means official military orders, or any notification, certification, or verification from the service member's commanding officer with respect to the service member's current or future military duty status. (c)"Military service" means, as to a member of the militia, full-time active