TSP Matching Funds: Your Guide to the Blended Retirement System (BRS)

Last updated 5 months ago. Our resources are updated regularly but please keep in mind that links, programs, policies, and contact information do change.

The Blended Retirement System (BRS) represents a significant shift in how the U.S. military provides retirement benefits to service members. Introduced on January 1, 2018, BRS is the current retirement plan for individuals who entered the Uniformed Services on or after that date.

Understanding BRS Retirement and TSP Matching

This system blends elements of the traditional military pension with a modern defined contribution plan, the Thrift Savings Plan (TSP), which includes valuable government contributions.

The BRS combines two main retirement income sources:

• A defined benefit pension that provides lifetime monthly payments after 20+ years of service
• A defined contribution plan via the TSP with automatic and matching contributions from the Department of Defense (DoD)

Unlike the legacy “High-3” system, where retirement benefits were largely contingent on completing a 20-year career, BRS offers portable retirement savings that members can take with them even if they separate before reaching full retirement eligibility. This makes the TSP component, and especially the government matching funds, a cornerstone of retirement planning for service members under BRS.

What is the Thrift Savings Plan (TSP)?

The Thrift Savings Plan is a retirement savings and investment program designed specifically for federal government employees and members of the uniformed services, including the Ready Reserve. Established by Congress through the Federal Employees’ Retirement System Act of 1986, the TSP provides savings and tax benefits comparable to 401(k) plans offered by private corporations.

Overseen by the Federal Retirement Thrift Investment Board (FRTIB), an independent government agency, the TSP aims to help participants build financial security for their retirement years.

At its core, the TSP is a defined contribution plan. This means the amount of retirement income a participant ultimately receives depends on the contributions made to their account over their working years—both their own contributions and, if eligible, contributions from their employing agency or service—as well as the investment earnings accumulated over time.

Key TSP Advantages

Automatic Payroll Deductions: Contributions are conveniently deducted directly from paychecks.

Choice of Tax Treatments: Participants can choose between Traditional (pre-tax) contributions, which lower current taxable income and allow earnings to grow tax-deferred, and Roth (after-tax) contributions, where qualified distributions in retirement (including earnings) are tax-free. This provides valuable tax planning flexibility.

Low Expenses: The TSP is known for its very low administrative and investment expense ratios compared to industry averages. These low fees mean more of the participant’s money remains invested and working for them, which can significantly enhance long-term growth through compounding. For example, the 2024 expense ratio for the C Fund (Common Stock Index Investment Fund) was just 0.036%, meaning only 36 cents per $1,000 invested went toward expenses.

Diversified Investment Options: The TSP offers a range of investment choices to suit different risk tolerances and time horizons. These include five individual core funds (G, F, C, S, I Funds) spanning government securities, bonds, and domestic and international stocks, as well as professionally managed Lifecycle (L) Funds that automatically adjust their investment mix based on a target retirement date. A mutual fund window is also available for participants seeking broader investment flexibility.

Agency/Service Contributions: Eligible participants under the Federal Employees Retirement System (FERS) or the Blended Retirement System (BRS) receive automatic and/or matching contributions from their agency or service, further boosting savings.

The TSP serves as a vital component of the overall retirement package for federal employees and service members, significantly enhancing potential retirement income, particularly when participation begins early to maximize the benefits of compound earnings.

Understanding the Blended Retirement System (BRS)

The Blended Retirement System (BRS) officially took effect on January 1, 2018, marking a modernization of the U.S. military’s retirement structure. It applies automatically to all service members who entered service on or after that date. BRS integrates elements of the traditional military pension (a defined benefit) with a defined contribution plan centered around the Thrift Savings Plan (TSP), incorporating government contributions. This structure aims to provide retirement benefits to a larger portion of the force, recognizing that a majority of service members do not complete a full 20-year career.

Key Elements of BRS

Defined Contribution (Thrift Savings Plan – TSP): This is arguably the most significant change from the legacy system for many members. Under BRS, the DoD provides:

• Automatic 1% Contribution: An amount equal to 1% of the service member’s basic pay is automatically contributed to their TSP account by the DoD, generally starting after 60 days of service for new entrants.
• Matching Contributions: The DoD matches service member contributions up to an additional 4% of basic pay, starting after two years of service for new entrants. This means a member contributing 5% of their basic pay receives a total DoD contribution of 5% (1% automatic + 4% match).

Defined Benefit (Pension): For those who serve 20 years or more, BRS still provides a lifetime monthly pension. However, the calculation uses a reduced multiplier compared to the legacy High-3 system. The formula is: (Years of Creditable Service) x 2.0% x (Average of Highest 36 Months of Basic Pay). This results in a pension that is 20% lower than the High-3 system’s pension, which used a 2.5% multiplier. For example, at 20 years of service, the BRS pension is 40% of the high-3 average pay, whereas the legacy pension was 50%.

Continuation Pay: This is a one-time, mid-career cash bonus offered to eligible BRS members, typically between their 8th and 12th year of service. To receive it, members must agree to an additional service obligation, usually four years. The amount varies by service but is designed as a retention incentive, potentially helping to offset the impact of the reduced pension multiplier for career-minded individuals.

Lump-Sum Option: At retirement (after 20+ years of service), BRS members have the option to receive a portion of their estimated future pension payments as an upfront lump sum. They can choose either 25% or 50% of the discounted present value of their retirement pay. In exchange, their monthly pension payments are reduced (to 75% or 50%, respectively) until they reach the full Social Security retirement age (typically 67), at which point the pension reverts to the full amount. It’s important to note that this lump sum is calculated using a discount rate, which can significantly reduce the total amount received compared to taking the full monthly pension over a lifetime, and the lump sum itself is taxable.

The structure of BRS reflects a strategic shift by the DoD. By reducing the guaranteed lifelong pension and emphasizing the TSP component with government contributions, the system aims to manage long-term financial liabilities. It also provides valuable, portable retirement benefits through the TSP for the large majority of service members who separate before reaching the traditional 20-year retirement milestone, addressing a major limitation of the legacy system. This design places a greater emphasis on individual savings habits and investment decisions within the TSP to achieve long-term retirement security.

Eligibility: Who Gets BRS TSP Matching?

Eligibility for the Blended Retirement System (BRS), and consequently the associated Thrift Savings Plan (TSP) matching contributions, is primarily determined by a service member’s Date of Initial Entry into Military Service (DIEMS).

Mandatory BRS Coverage: All members of the Uniformed Services (Active Duty, Reserve, National Guard) with a DIEMS on or after January 1, 2018, are automatically enrolled in the BRS.

Opt-In Window (Closed): Service members with a DIEMS before January 1, 2018, were grandfathered into the legacy retirement system (typically the High-3 system). However, those with fewer than 12 years of service (or fewer than 4,320 retirement points for Reserve/Guard members) as of December 31, 2017, were given a one-time opportunity during calendar year 2018 to opt into the BRS. This opt-in window closed on December 31, 2018. Those who remained in the legacy system cannot switch to BRS now.

Re-entry: Specific rules apply for those who leave and later rejoin service, potentially offering another opt-in opportunity under certain conditions.

Crucially, eligibility for DoD TSP matching contributions is tied to being covered by the BRS. Members covered under the legacy High-3 retirement system, while able to contribute their own money to the TSP, do not receive any Agency Automatic (1%) or Agency Matching Contributions from the DoD. Similarly, federal civilian employees under the older Civil Service Retirement System (CSRS) generally do not receive TSP matching, whereas those under the Federal Employees Retirement System (FERS) do.

To receive TSP contributions (both employee and government), individuals must be actively employed in a federal civilian or uniformed service position and be in a pay status.

This clear eligibility distinction based primarily on the 2018 entry date creates two separate groups within the military regarding retirement benefits. BRS members possess a distinct advantage in their potential TSP accumulation due to the government contributions—the 1% automatic and up to 4% matching—which are unavailable to their counterparts remaining under the legacy High-3 system. This difference underscores the importance for BRS members to understand and leverage the TSP matching component fully.

The Mechanics of TSP Matching Under BRS

Understanding how the Department of Defense (DoD) contributes to a service member’s Thrift Savings Plan (TSP) account under the Blended Retirement System (BRS) is key to maximizing this benefit. There are two types of government contributions: Automatic (1%) Contributions and Matching Contributions.

Agency/Service Automatic (1%) Contribution

For all BRS participants, the DoD automatically contributes an amount equal to 1% of their basic pay to their TSP account each pay period. This is often referred to as the “Agency/Service Automatic (1%) Contribution.”

Key points about this contribution:

No Member Contribution Required: Service members receive this 1% contribution regardless of whether they contribute any of their own money to the TSP. It is provided by the DoD and is not deducted from the member’s pay.

Start Date: For members who entered service on or after January 1, 2018, these automatic contributions begin after 60 days of service. For those who opted into BRS before the 2018 deadline, the 1% contributions began shortly after their opt-in election.

Vesting: This 1% automatic contribution (and its earnings) is subject to a vesting period. Members must complete two years of service to become fully vested, meaning they gain full ownership of these funds. If a member separates before completing two years, these automatic 1% contributions and any associated earnings are forfeited.

Duration: These automatic contributions continue until the member completes 26 years of service.

Agency/Service Matching Contributions (Up to 4%)

In addition to the automatic 1%, BRS participants are eligible for DoD matching contributions based on their own contributions to their TSP account.

The matching formula works as follows:

• First 3% Contributed: Matched dollar-for-dollar (100% match).
• Next 2% Contributed (i.e., contributions between 3.01% and 5%): Matched at 50 cents on the dollar (50% match).

This means to receive the maximum possible DoD match of 4% of basic pay, a service member must contribute at least 5% of their own basic pay each pay period. When a member contributes 5%, the DoD contributes a total of 5% (1% automatic + 4% match), effectively doubling the member’s retirement savings effort for that portion of their pay.

Key points about matching contributions:

Member Contribution Required: Matching contributions are contingent on the service member making their own contributions. If a member stops contributing, the matching contributions also stop (though the automatic 1% continues).

Start Date: For members who entered service on or after January 1, 2018, eligibility for matching contributions begins after completing two years of service. For those who opted into BRS before the 2018 deadline, matching began immediately upon opting in.

Vesting: Matching contributions (and their earnings) received under BRS are immediately vested, meaning the member owns them as soon as they are deposited into the account. Note: This differs from the 2-year vesting requirement for the automatic 1% contribution.

Duration: Matching contributions continue as long as the member contributes (at least up to 5%) until they complete 26 years of service.

The following table illustrates how DoD contributions accumulate based on the percentage of basic pay a BRS member contributes each pay period, assuming they are eligible for both automatic and matching contributions:

This table clearly shows that contributing 5% unlocks the maximum 4% match, leading to a total 5% DoD contribution.

The specific timing requirements (60 days for the automatic 1%, 2 years for matching for new entrants) and the tiered matching structure create clear action points. Members need to ensure they are contributing at least 5% after the two-year mark to capture the full government match available to them.

Contribution Limits You Need to Know (2025)

While the government contributions are a significant benefit, there are limits imposed by the Internal Revenue Service (IRS) on how much an individual can contribute from their own pay to plans like the TSP each year. Understanding these limits is crucial, especially for those aiming to maximize their savings and the associated match.

Elective Deferral Limit (IRC § 402(g))

This is the maximum amount an employee can contribute across all their traditional (pre-tax) and Roth (after-tax) retirement plans (like TSP, 401(k)s) in a calendar year.

2025 Limit: $23,500

Agency/Service automatic and matching contributions do not count toward this limit. This limit applies only to the member’s own contributions from their pay.

Catch-Up Contribution Limit (IRC § 414(v))

Participants who are age 50 or older (or will turn 50 during the calendar year) can contribute an additional amount above the elective deferral limit.

2025 Limits:

• $7,500 for those ages 50-59 and age 64 or older
• $11,250 (a higher limit established by the SECURE 2.0 Act) for those turning ages 60, 61, 62, or 63 in 2025

Spillover Method: TSP uses a “spillover” method. Once a participant eligible for catch-up contributions hits either the elective deferral limit or the annual additions limit (see below), any further contributions automatically start counting toward their catch-up limit until that limit is reached. No separate election is needed.

Matching on Catch-Up: Catch-up contributions are eligible for agency/service matching, up to the standard 5% of basic pay threshold, unless the Annual Additions limit is reached first.

Future Change: Starting in 2026, participants whose prior-year wages exceed an IRS-defined threshold will be required to make all catch-up contributions as Roth contributions.

Annual Additions Limit (IRC § 415(c))

This is the overall maximum limit on the total amount of contributions that can be added to a participant’s account from all sources (employee contributions + agency/service automatic 1% + agency/service matching) in a calendar year, per employer.

2025 Limit: $70,000

Catch-up contributions do not count toward this limit.

This limit primarily affects higher-income earners or uniformed service members making significant contributions from tax-exempt combat zone pay.

Critical Impact for BRS: If a BRS participant hits the Annual Additions limit during the year, all further contributions must stop, including agency/service matching contributions, even if the member continues to contribute toward the catch-up limit.

The relationship between the elective deferral limit and matching contributions highlights a potential pitfall. Because matching is calculated per pay period based on employee contributions made in that pay period, contributing too much too early can cause a member to hit the $23,500 elective deferral limit before the end of the year. Once that limit is hit, employee contributions stop, and consequently, agency/service matching contributions also stop for the remaining pay periods. This results in forfeiting free government money. Therefore, careful planning is needed to spread contributions throughout the year to maximize both personal savings and the government match.

Vesting: Securing Your Retirement Funds

In the context of retirement plans like the TSP, “vesting” refers to the process of gaining full ownership rights to the contributions made by an employer (in this case, the DoD). Once vested in certain funds, those funds belong to the service member, even if they leave military service. Understanding the vesting rules under BRS is crucial, as not all government contributions become yours immediately.

Here is the vesting schedule for different types of contributions within a BRS TSP account:

Employee Contributions: Any money a service member contributes from their own pay, along with any earnings on those contributions, is always 100% vested immediately. This money belongs to the member from day one.

Agency/Service Matching Contributions: For BRS participants, any matching contributions received from the DoD (the dollar-for-dollar match on the first 3% contributed and the 50% match on the next 2%), along with earnings on those matching funds, are also vested immediately upon being deposited into the account. Note: This applies to matching funds received under BRS rules; eligibility to receive matching for new entrants begins after two years of service.

Agency Automatic (1%) Contributions: This is the key contribution type with a time requirement. The automatic 1% of basic pay contributed by the DoD (and its earnings) requires the service member to complete two years of military service before becoming vested.

What happens if you leave service before vesting?

If a BRS member separates from military service before completing the required two years, they are not vested in the Agency Automatic (1%) Contributions. These 1% contributions, along with any earnings they generated, will be removed from the member’s TSP account and forfeited back to the TSP. The forfeited funds are then used by the TSP to help cover the plan’s administrative expenses. However, the member will always keep their own contributions and the vested matching contributions (if any were received after the two-year mark) and all associated earnings.

It is also important to note that vesting periods are specific to the type of service. Time spent in federal civilian service does not count towards the vesting requirement for a uniformed services TSP account, and military service time does not count towards vesting in a civilian TSP account.

The two-year vesting requirement for the automatic 1% contribution acts as a “cliff.” Before the two-year mark, the member has 0% ownership of these funds; at the two-year mark, ownership jumps to 100%. While BRS is designed to provide portable benefits earlier than the legacy system, this vesting rule means that the full government contribution package offered under BRS (the 1% automatic plus potential matching) isn’t fully secured until the service member reaches this two-year milestone. This subtly encourages members considering early separation to remain in service for at least two years to retain all government contributions made to their TSP.

BRS vs. High-3: Understanding the Retirement Plan Differences

For service members planning a career of 20 years or more, understanding the fundamental differences between the Blended Retirement System (BRS) and the legacy High-36 (or “High-3”) retirement system is critical. While BRS offers advantages for shorter careers via the TSP, the comparison for long-term retirees involves trade-offs.

Here’s a direct comparison focusing on members completing 20+ years of service:

Pension Calculation (Defined Benefit)

High-3: Provided a monthly pension calculated as: (Years of Service) x 2.5% x (Average of Highest 36 Months of Basic Pay). At 20 years, this equaled 50% of the high-3 average pay; at 30 years, 75%.

BRS: Provides a monthly pension calculated as: (Years of Service) x 2.0% x (Average of Highest 36 Months of Basic Pay). At 20 years, this equals 40% of the high-3 average pay; at 30 years, 60%.

Difference: The BRS pension multiplier is lower, resulting in a guaranteed monthly pension payment that is 20% smaller than the High-3 pension for the same rank and years of service.

Thrift Savings Plan (TSP) Component (Defined Contribution)

High-3: Members could contribute their own money to the TSP, but there were no automatic or matching contributions from the DoD. Any TSP balance was solely based on the member’s own contributions and investment earnings.

BRS: Includes automatic 1% DoD contributions (after 60 days, vested after 2 years) and DoD matching contributions of up to 4% (eligible after 2 years, vested immediately) when the member contributes at least 5%. This provides a significant government-funded boost to the member’s TSP account.

Portability for Shorter Careers

High-3: Offered no government-provided retirement benefit if a member separated before completing 20 years of service. Any TSP funds were solely the member’s own contributions and earnings.

BRS: The TSP component (including vested DoD contributions) is portable. Members who separate before 20 years can take their vested TSP balance with them, providing a retirement asset even without qualifying for the pension. This is a major advantage for the majority (~80-85%) of service members who do not serve a full 20 years.

Other Features

High-3: Did not include Continuation Pay or a Lump-Sum pension option.

BRS: Includes Continuation Pay (a mid-career bonus for an additional service commitment) and a Lump-Sum Option at retirement (allowing retirees to take a discounted portion of their pension upfront for reduced monthly payments). These features are exclusive to BRS.

The core trade-off for a potential 20+ year retiree under BRS is clear: they accept a smaller guaranteed monthly pension in exchange for receiving substantial government contributions to their TSP account throughout their career. Whether BRS ultimately provides a greater total retirement income than High-3 for a full career retiree is not guaranteed and depends heavily on several factors:

• Individual TSP Contributions: The BRS member must consistently contribute at least 5% of their basic pay for most of their career to maximize the DoD matching funds.
• Investment Performance: The long-term growth of the TSP account is subject to market fluctuations and the member’s investment choices. Higher returns are needed to potentially make up for and exceed the lower pension amount.
• Time Horizon & Compounding: The earlier contributions are made and the longer they have to grow, the greater the potential TSP balance.

BRS introduces an element of market risk and requires more active financial planning and engagement from the service member compared to the more passive, fully government-funded High-3 pension. The potential exists for BRS to yield higher overall retirement wealth, but it is not automatic and relies on disciplined saving and sound investment strategy over decades.

The Impact of TSP Matching: Why It’s Crucial for Your Future

The introduction of government matching contributions to the Thrift Savings Plan (TSP) under the Blended Retirement System (BRS) is more than just a minor tweak; it’s a fundamental enhancement with significant long-term financial implications. Understanding the power of these matching funds is crucial for every BRS participant.

At its simplest, TSP matching is effectively “free money” provided by the DoD. When a BRS member contributes a portion of their own pay, the government adds extra money to their account, up to a certain limit. Failing to contribute enough to receive the full match—specifically, contributing at least 5% of basic pay—means leaving this valuable government money unclaimed.

The true impact of these matching funds becomes apparent when combined with the principle of compound growth. Compounding occurs when the earnings generated by investments are reinvested and then begin to generate their own earnings. Over long periods, this effect can lead to exponential growth in an investment account.

The TSP website illustrates this powerfully: $1 invested could potentially grow to $10 over 35 years, assuming a reasonable average rate of return (based on historical L Fund performance), without any additional contributions. Now consider the impact of the match:

• The DoD automatically contributes 1% of basic pay, even if the member contributes nothing. This 1% starts compounding immediately (once eligibility begins).
• When a member contributes 5% to get the full 4% match, the total contribution becomes 10% of their basic pay (5% from member + 5% from DoD). This effectively doubles the amount of money working and compounding for the member’s future, compared to just their own 5% contribution. That initial $1, when matched, becomes $2 working for the member, potentially growing to $20 over 35 years instead of just $10.
• Starting contributions early maximizes the time horizon for compounding to work its magic. The longer the money is invested, the more significant the impact of both the matching funds and the compound earnings becomes.

The TSP matching provided under BRS is often more generous than typical 401(k) matching in the private sector. Combined with the TSP’s inherently low fees, this makes the TSP a highly effective retirement savings vehicle for BRS members.

The structure of BRS, incorporating automatic enrollment (at 5% for those entering/re-entering since October 1, 2020), automatic 1% DoD contributions, and matching contributions, creates a robust default pathway toward building retirement savings. This is a significant improvement over the pre-BRS era, where TSP participation was often lower. However, simply relying on defaults is not enough to fully optimize retirement outcomes. Active engagement—ensuring contributions are at least 5%, monitoring limits, and making appropriate investment choices—is necessary to harness the full power of TSP matching and compounding within the BRS framework.

Strategies: How to Get the Most Out of Your TSP Match

Maximizing the benefits of the Thrift Savings Plan (TSP) matching contributions under the Blended Retirement System (BRS) requires a proactive approach. Simply being enrolled isn’t enough; specific actions can ensure service members capture the full value offered by the government. Here are key strategies:

Contribute at Least 5% of Your Basic Pay

This is the most critical action. To receive the maximum DoD matching contribution (which is 4% of basic pay), BRS members must contribute at least 5% of their own basic pay each pay period. Contributing less than 5% means receiving less than the maximum match and leaving free government money on the table.

Combined with the automatic 1% DoD contribution, contributing 5% results in a total of 10% of basic pay going into the TSP account (5% from the member, 5% from DoD). Contribution elections can be made or adjusted through the member’s service-specific payroll system (e.g., myPay for Army, Navy, Air Force; Direct Access for Coast Guard).

Spread Contributions Throughout the Year (Avoid Hitting Limits Early)

While contributing as much as possible is generally good, hitting the annual IRS elective deferral limit ($23,500 for 2025) before the final pay period of the year can be detrimental to receiving the full match.

Agency/Service Matching Contributions are calculated based on the employee contributions made each pay period. If a member hits the annual limit mid-year, their employee contributions stop, and consequently, their matching contributions also stop for all remaining pay periods in that year. This means potentially losing out on hundreds or thousands of dollars in matching funds.

It’s generally better to contribute consistently throughout the year to ensure matching is received on every possible paycheck.

Use the TSP Contribution Calculator

To avoid hitting the contribution limit prematurely, the official TSP website offers a helpful tool: the “How much can I contribute?” calculator.

By inputting current contribution details and remaining pay periods, this calculator helps determine the specific dollar amount to contribute each pay period to reach (but not exceed) the annual limit by year-end. This facilitates spreading contributions evenly and maximizing the match received throughout the entire year.

Leverage Catch-Up Contributions (If Age 50 or Older)

Service members turning age 50 or older in a calendar year are eligible to make additional “catch-up” contributions above the regular elective deferral limit. For 2025, the catch-up limit is $7,500 for those ages 50-59 and 64+, and a higher limit of $11,250 applies for those turning ages 60, 61, 62, or 63.

These catch-up contributions automatically begin via the “spillover” method once the regular limit is reached. Importantly, these catch-up contributions can still receive the agency/service match (on up to a 5% of basic pay per period) unless the overall Annual Additions limit ($70,000 for 2025) is hit first.

Those eligible for the higher $11,250 limit should remember to adjust their contribution rate down at the start of the year they turn 64, as they will revert to the lower $7,500 catch-up limit, and failing to adjust could cause them to hit the limit early and miss matching funds.

Implementing these strategies requires periodic attention. Contribution percentages may need review and adjustment, especially when pay changes occur or as one approaches the annual contribution limits. The goal is to consistently contribute at least 5% each pay period throughout the year, utilizing catch-up contributions if eligible and desired, without hitting the annual limits so early that valuable matching funds are forfeited.

Official Resources for More Information

Navigating retirement benefits can be complex, but numerous official resources provide detailed information, tools, and support for understanding the Blended Retirement System (BRS) and Thrift Savings Plan (TSP) matching. Utilizing these authoritative sources is essential for making informed decisions.

Thrift Savings Plan (TSP) Official Website

This is the primary source for all things TSP.

• Account Management: Access your account, view balances, change investments, and manage beneficiaries via “My Account”
• Contribution Information: Details on contribution types, current contribution limits, and the contribution calculator
• Fund Information: Details on individual funds (G, F, C, S, I), Lifecycle (L) Funds, performance data, and expense ratios
• Publications and Forms: Access to official booklets (e.g., TSPBK08 Summary of the TSP, TSPBK25 Vesting), fact sheets (e.g., TSPFS07 Annual Limits, TSPFS08 Military Return to Civilian Service), and forms
• Life Events & Withdrawal Info: Guidance on taking loans or withdrawals

Military OneSource

Offers comprehensive support for service members and families, including financial counseling and BRS resources.

• BRS Guide: Detailed explanation of the Blended Retirement System
• Retirement Calculators: Tools to estimate retirement benefits under various plans via military retirement calculators

DoD Military Compensation Website

The official Department of Defense source for pay and benefits information, including BRS.

• BRS Information Page: Central hub for BRS details, fact sheets, and FAQs at blendedretirement
• BRS Calculators: Includes the official BRS Comparison Calculator (comparing BRS vs. High-3) and other retirement estimation tools at calculators. Note: The BRS Comparison Calculator may provide approximations.
• Uniformed Services Guide to BRS: A detailed PDF guide

Defense Finance and Accounting Service (DFAS)

Manages military pay and provides information on retirement calculations.

• Retirement Pay Estimation: Information on how different retirement plans calculate pay via estimate

Service-Specific Resources (Example: Army)

Individual services may offer tailored resources.

• MyArmyBenefits: Provides BRS information and calculators specific to Army personnel (BRS Page; BRS Comparison Calculator)

Financial Readiness (FINRED) Program Materials

Training resources often available through military portals or learning sites (e.g., Joint Knowledge Online – JKO) provide courses and fact sheets on BRS and TSP topics like vesting.

Internal Revenue Service (IRS)

The definitive source for annual contribution limits and tax rules related to retirement plans.

• Contribution Limits: Official announcements for 401(k)/TSP limits (e.g., 2025 limits) and Cost-of-Living Adjustments

While this list provides key starting points, service members are also encouraged to consult with personal financial managers or counselors available through their installation or Military OneSource for personalized guidance. Given the volume of information, focusing initially on TSP.gov for account specifics, Military OneSource for general BRS understanding, and the DoD BRS calculators for personalized estimates can provide a structured approach to learning more.

Our articles make government information more accessible. Please consult a qualified professional for financial, legal, or health advice specific to your circumstances.