with respect to whom the period of service taken into account in determining the amount of the benefit under such defined benefit plan includes at least 15 years of service of the participant—
(I)#
as a full-time employee of any police department or fire department which is organized and operated by the State, Indian tribal government (as so defined), or any political subdivision maintaining such defined benefit plan to provide police protection, firefighting services, or emergency medical services for any area within the jurisdiction of such State, Indian tribal government (as so defined), or any political subdivision, or
(II)#
as a member of the Armed Forces of the United States.