5 CFR § 842.210
Military reserve technicians
November 4, 2020
(a) A military reserve technician as defined in 5 U.S.C. 8401(30) who is separated from civilian service because of ceasing to qualify as a member of a military reserve component after reaching age 50 and completing 25 years of service is entitled to an annuity.
(b) An annuity payable under paragraph (a) of this section commences on the day after separation.