Q: What are the available annuity options for a federal employee with 19 years of service under the Foreign Service Retirement and Disability System (FSRDS) and an additional 21 years under the Civil Service Retirement System? A former spouse has an entitlement for the 19 years under FSRDS, and a current spouse has entitlement for the 21 years in CSRS. Is there an option for two separate annuity computations? Also, what are the various benefits included in a lump-sum payment from the Office of Personnel Management? A: If you don’t take steps to combine your service, you would be eligible…