The TSP is a retirement savings plan for civilians who are employed by the United States Government and members of the uniformed services. The Federal Retirement Thrift Investment Board, administers the Thrift Savings Plan (TSP).
TSP FORMS: http://www.tsp.gov/forms/formsPubs.shtml
TSP FACT SHEETS:
If you’re younger than 45, retirement seems far away. But you could be missing out on thousands of dollars in matching money from your agency right now if you aren’t contributing at least 5% of your salary to your Thrift Savings Plan account. TSP has launched the “Take FIVE for Your Future ” campaign to highlight the importance of saving early for retirement. This highly graphic, interactive website follows a sample employee as he increases his retirement savings.