Thrift Savings Plan

The Thrift Savings Plan is a defined contribution plan similar to a 401K

As a Federal employee or member of the uniformed services, you have the opportunity to participate in the Thrift Savings Plan (TSP), a retirement savings plan similar to 401(k) plans offered to private sector employees. The purpose of the TSP is to give you the ability to participate in a long-term retirement savings and investment plan.