The FERS Special Retirement Supplement (SRS) mimics a portion of Social Security income for eligible federal retirees who separate before turning 62. It is meant to “bridge the gap” between retirement and Social Security eligibility, but only specific retirees qualify. To be eligible, you must retire with an immediate pension, have at least 20–30 years of service depending on your age... https://www.federalpensionadvisors.com/post/fers-supplement-eligibility