Most service members set up their TSP at enrollment and never look back. But you can review and update your contribution rate, fund allocation, Roth vs. Traditional election, and beneficiary designation at any time, no restrictions, no waiting period. Here's exactly what to check and why each item matters for your retirement picture.

When you enrolled in the TSP, you made one of the most important financial decisions of your military career. Most service members made it in about 30 seconds, and never revisited it. Here's what the Roth vs. Traditional decision actually means, and how to know which one is right for you.