Using the Rule of 55 for Bridge Income Before Social Security Many retirees use the TSP Rule of 55 as a financial bridge to cover living expenses before claiming Social Security benefits. Since delaying Social Security can increase monthly payments, retirees may choose to withdraw from their TSP first and claim Social Security later. This strategy helps maximize lifetime benefits whi... https://www.federalpensionadvisors.com/post/tsp-rule-of-55