R.I. Gen. Laws § 30-1-3: Female members.

The governor may authorize the appointment or enlistment of female citizens of the state between the ages of eighteen (18) and forty-five (45) in the medical corps, nursing corps, and other noncombatant branches and services of the national guard or unorganized militia, and while so serving, they shall have the same status as male members of the non-combatant branches and services.