For purposes of this subsection, "military service" means service in the Armed Forces of the United States by honorably discharged persons during the following time periods, as reflected on such person's Defense Department Form 214, as follows:
The service credit provided by this subsection shall be administered pursuant to subsections B through D of this section, including, but not limited to, only full-time active duty military service not for training-only purposes, unless discharged from active duty for a service-connected disability, as reflected on thevmember's Defense Department Form 214, shall be considered for prior service credit, and such prior service credit shall only be used in determining the member's retirement benefit but shall not be used in determining years of service for retirement, vesting purposes, or eligibility for participation in the Oklahoma Firefighters Deferred Option Plan.
Okla. Stat. tit. 11, § 49-138