Also known as: rr.
RR has various meanings in the Reserve category. Discover the full forms, definitions, and usage contexts of RR in Reserve.
All reserve members who receive retirement pay on the basis of their active duty and/or reserve service; those members who are otherwise eligible for retirement pay but have not reached age 60 and who have not elected discharge and are not voluntary members of the Ready Reserve or Standby Reserve. also active duty; Ready Reserve; Standby Reserve.
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