Okla. Stat. tit. 11, § 11-50-111.2A: Purchase of service credit for time served with

Department of Defense or military.

A. A member of the System who terminates employment for the

purpose of performing service as a police officer on a contract

basis for the United States Department of Defense or for the State

Department of the United States in a war zone may purchase not to

exceed one (1) year of service credit for the period of time during

which the member performed services for either of such entities, or

any branch of the United States military or other entity operating

under authority of the Department of Defense or the State

Department, by making payment of all required employer and employee

contributions for the period of service during which the member was

so privately employed.

B. The contributions required by this section shall be paid by

the member within one (1) year of becoming reemployed by a

participating employer of the System.

C. Service credit purchased according to the provisions of this

section shall be counted for purposes of vesting, normal retirement

date, eligibility to participate in the Deferred Option Retirement

Plan and alternative to the Deferred Option Retirement Plan

authorized by Section 50-111.3 of Title 11 of the Oklahoma Statutes

and for purposes of computing the retirement benefit of the member.