Why This Decision Matters More Than Most Veterans Think
When a service member separates, financial advisers often recommend rolling the TSP into an IRA. The motivation is not always the veteran's best interest. IRAs generate advisory fees; TSP accounts typically do not. That does not mean rolling is wrong. It means the decision deserves independent analysis rather than a default. The TSP has features that most IRAs cannot match, and the rollover is permanent — once you move the money out, you cannot put it back.
What the TSP Has That No IRA Can Match
Before deciding to roll, understand what you would be giving up. Three features of the TSP are genuinely unique:
1. The G Fund. The G Fund invests in special U.S. government securities and earns returns based on the weighted average yield of all Treasury securities with four or more years to maturity — with no risk of principal loss. It is not a money market fund (which yields much less). It is not available in any IRA, 401(k), or brokerage account. For veterans who want a stable, no-loss component in their portfolio that still earns meaningful returns, the G Fund is irreplaceable.
2. Expense ratios. The TSP's investment funds carry expense ratios as low as 0.048%. Most comparable mutual funds or ETFs in an IRA cost more, sometimes significantly. At a $500,000 balance, a 0.5% cost difference is $2,500 per year — compounding. The TSP wins on cost almost universally.
3. Creditor protection. TSP accounts have strong federal creditor protections. IRA protections vary by state and are subject to state-law limits. For veterans who have concerns about legal exposure or creditors, the TSP may offer stronger protection than an IRA.
What an IRA Has That the TSP Does Not
The reasons to roll are real. They are just different reasons than cost or safety.
1. Roth conversion access. The TSP does not allow in-plan Roth conversions. If you want to convert Traditional TSP money to Roth — which is often highly advantageous in the early retirement years when income is low — you must first roll to a Traditional IRA, then convert to Roth. This is the single strongest argument for a rollover, and it applies most powerfully in the years immediately after separation.
2. Investment flexibility. The TSP offers five core funds plus lifecycle funds. An IRA offers essentially unlimited investment options. If your investment strategy requires individual securities, sector funds, alternative assets, or specific bond strategies, the TSP cannot accommodate them.
3. Account consolidation. Veterans who also have civilian 401(k)s, IRAs, or other accounts may find consolidation simplifies their financial picture significantly. One account is easier to manage, rebalance, and do retirement income planning around.
"Rolling your TSP is like leaving the government's cafeteria plan for a restaurant. The restaurant has more on the menu. Whether that matters depends on what you were going to order."
The Roth Conversion Window: Why Timing Matters
Military retirees who separate in their 40s often enter what is effectively the lowest-tax window of their adult life. Their military pension replaces a portion of active-duty income, but total taxable income drops. Social Security has not started. RMDs are decades away.
This window — from separation to approximately age 63 — is ideal for Roth conversions. Every year, the retiree can move a calculated amount from Traditional IRA (or Traditional TSP rolled to IRA) to Roth, paying tax at a low bracket, and permanently exempting that money from future taxation and RMDs.
The TSP cannot execute this directly. A rollover to a Traditional IRA is the prerequisite. The decision is not "roll or stay" — it is "when do I want to begin the conversion clock?"
| Factor | Keep TSP | Roll to IRA |
|---|---|---|
| Expense ratios | Lowest available (~0.048%) | Higher (varies by fund) |
| G Fund access | Yes — unique, irreplaceable | No equivalent exists |
| Roth conversion | Not available in-plan | Full flexibility |
| Investment options | 5 core funds + lifecycle | Essentially unlimited |
| Creditor protection | Strong federal protection | State law varies |
| Consolidation | Separate account | Can consolidate with other IRAs |
A Decision Framework That Actually Works
The right answer is different for every veteran. These four questions surface it:
- Do I plan to do Roth conversions in the next 5–10 years? If yes, rolling now (or soon) starts the clock on the conversion window. If no, the TSP is competitive or superior.
- Do I want the G Fund? If you value a no-loss, bond-yielding component in your portfolio, keeping some or all TSP assets preserves it. You can roll only part of the TSP to an IRA.
- What investment strategy do I actually need? For most retirement accounts, three to five diversified index funds cover 90% of what matters. The TSP funds cover that. If your strategy requires more, roll. If it does not, the cost argument favors staying.
- How much complexity can I manage? Two accounts (TSP + IRA) is manageable. One is simpler. If consolidation reduces the chance of neglecting an account, that is a real benefit.
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The Partial Rollover Option
You do not have to roll all or nothing. Many veterans choose to roll a portion of their TSP — typically the Traditional balance they plan to convert to Roth — while keeping the remaining TSP balance (especially G Fund holdings) in place. The TSP allows partial rollovers. This approach preserves the G Fund and low-cost structure for the portion you are not converting, while giving you Roth conversion flexibility on the rest. It is a middle path worth modeling.
Educational purposes only. This article is general information and does not constitute personalized investment, tax, or legal advice. TSP rules, IRA limits, and tax law are subject to change. Always verify current rules with the Thrift Savings Plan (tsp.gov) and consult a qualified adviser before making rollover or conversion decisions. Sirmium Capital LLC is a registered investment adviser. Registration does not imply a certain level of skill or training.