FederalPensionAdvisors explains how to use the FERS Retirement Annuity Supplement Calculator to estimate your benefits before Social Security eligibility. This tool helps federal employees retiring before age 62 understand their income gap coverage. Learn how the FERS Retirement Annuity Supplement Calculator can guide your financial planning and support a smooth transition into retire... https://www.federalpensionadvisors.com/fers-supplement-calculator