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Temporary Duty Assignments – Understanding Your Pay & Benefits While on TDY Orders

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TDY is the three-letter acronym that often leaves servicemembers and families confused. Get to know the various types of Temporary Duty Assignment (TDY) or Temporary Assignment Duty (TAD) to keep your finances and sanity from teetering into the red when you are on TDY orders.

Fully  understanding your military assignments and benefits is the benchmark of a seasoned servicemember. Pay increases or decreases, what per diem covers, and whether or not family members could or should accompany are all factors to fully grasp before going TDY.

Three Types of Military Orders

There are three primary types of military orders:

• Permanent Change of Station (PCS)
• Temporary Duty Assignment (TDY)

Of the three, TDY orders are likely the most complex, as they can be issued as an add-on to additional orders like a PCS. In addition to complexity, TDY orders also offer the most flexibility for servicemembers and their dependents to determine how they will handle assignments, placing them in a location anywhere from just a few days to six months.

There are likely dozens of situations where TDY may be issued. Some examples include additional schooling, career specialties that require frequent travel, or completing special assignments for the military. In nature, the assignments are meant to be short in duration and non-permanent.

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Financial Considerations of TDY Orders

The financial characteristics of TDY are perhaps the most important piece to understand. Consider TDY orders to be similar to travel for professional civilian jobs (like conferences). The organization, in this case, the military, will authorize a certain dollar amount per day called “per diem” for everyday expenses such as food, lodging, and transportation. Essentially, additional TDY pay on top of your regular pay is an additional fixed budget given to you per day. It is the servicemember’s responsibility to budget adequately.

You may be eligible for per diem even if you are temporarily assigned in the same state as your current duty station depending on the situation.

While on assignment, it is critical to keep the following receipts so you can have them validated for reimbursement upon return.

• Meal receipts
• Taxi/Uber/shuttle expenses
• Any travel costs like flights, subway, etc.
• Daily mileage totals (if you are traveling in your own vehicle)
• Incidental expenses or any unexpected costs directly related to daily operations

According to the Department of Defense , “A Service member ordered to a U.S. installation must use adequate and available Government quarters.” This means that if lodging is available, you will likely be required to stay in military housing, such as the barracks, or in installation hotels or accommodations. While exceptions to policy (ETP) do happen, it is largely dependent on a host of factors.

Exceptions to Policy (ETP)

Let’s say, for example, that following his commission , a soldier receives TDY orders to Basic Officer Leaders Course (BOLC) which requires a six-month stay. The soldier has a family and would prefer they accompany him to the training and he requests to stay in off-installation accommodations for the duration of the training course.

While it is not guaranteed, this is a strong case for ETP to be considered. Off installation accommodations would offer greater flexibility to find budget-friendly options within per diem that also include benefits such as on-site laundry and kitchenettes.

When overages or excessive fees are incurred or circumstances constitute an exception to policy, the Authorizing Official (AO) will need to pre-approve the charges before they will be reimbursed. You may not be reimbursed if you are not given pre-authorization, so it is essential to communicate prior to making decisions that will incur costs.

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Per Diem – What is Covered on TDY Orders?

Knowing what is not covered in per diem is just as important as knowing what is.

The military will not cover alcohol purchases in stores or in restaurant establishments. If a servicemember chooses to consume alcohol with their meal, a separate receipt would likely be the best choice, additionally, any charges will be the full responsibility of the individual. Additionally, when deciding to consume alcohol, a full understanding of what hours are considered on and off duty is the responsibility of the servicemember.

Family Separation Allowance (FSA) is an additional benefit offered to servicemembers when they are on assignment away from their family greater than 30 days. It is important to note that if a servicemember’s family accompanies the active duty member for the entire duration of the TDY, FSA would not be considered. However, FSA benefits do apply when dependents visit the servicemember for less than 30 consecutive days.

The eligibility for FSA may be extended to National Guard and wounded warriors, depending on the type, length, and restrictions of the TDY assignment.

Meal rates are based upon location, just like in the civilian world. Speaking with the Authorizing Official (AO) before going TDY to get a precise dollar amount for per diem is highly recommended. A portion, but not always the full amount of gratuity is also included in travel-related expenses.

An often-forgotten component of TDY rates includes factoring in “included” meals provided by the conference or government in your stay. If two out of three meals will be provided, rates may be reduced per day as well as any additional meals. Religious or dietary requirements are an exception to the policy if the traveler meets all requirements. All servicemembers should speak with their local Authorizing Official, command, and financial office to ensure they are fully up to speed.

Going TDY can provide an interesting change of pace and has the potential to put some extra cash in your pocket depending on your budget and personal preferences. If you are someone who likes to cook for yourself in a kitchenette you can save some money. But if you are expected to attend formal functions, eating out often, TDY can get expensive. With a little planning, your TDY experience can be a good one.

About Post Author

Samantha Peterson

Samantha Peterson is a regular contributor for military publications such as The Military Wallet, Military Families Magazine, We Are The Mighty and more. She feels passionately about telling compelling stories and crafting captivating narratives. Living life one PCS at a time, she’s travel schooling her children while tackling careers in the nonprofit and environmental sector all as military life allows.

Featured In: Samantha’s writing has been featured in We Are The Mighty, Military Families Magazine, InDependent, Reserve + National Guard Magazine, and other publications.

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• General Military Questions

Military TDY: Temporary Duty Assignment Explained

The U.S. Armed Forces issue different types of military travel orders to personnel.

Your military travel orders pertain to changes in your duty location and the duration, and may also impact your military pay.

Military TDY (Temporary Duty) is one common type of military travel order .

Get all your questions answered about Temporary Duty (TDY) status and what you can expect to experience with this type of order.

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Table of Contents

What is TDY?

The U.S. Military has three primary types of military travel orders:

• Permanent Change of Station (PCS)
• Temporary Duty (TDY)
• Deployments Orders

It is important to keep in mind that the three types of military assignment orders are not the same and each has its own characteristics.

Your military orders may affect how long you serve at the post, the specific location, and special duty pay.

Temporary Duty (TDY) is defined by the Department of Defense as:

Duty at one or more locations, away from the permanent duty station (PDS), under an order, providing for further assignment or pending further assignment, to return to the old PDS or to proceed to a new PDS.

Military branches under the U.S. Armed Forces have different references for Military TDY, like TAD (temporary additional duty) or TCS (temporary change of station).

However, they all mean basically the same thing that your military orders are temporary.

The primary difference between Military TDY and other orders is that it grants authorization for a service member to perform work away from the permanent duty station.

The Department of Defense requires the label Military TDY (or one of its variants) to approve travel pay, per diem, and coverage of other expenses to assist the soldier.

Since the assignment is temporary, the service member can expect a shorter stay than a permanent station assignment, however, the length of the orders may vary.

The individual details of TDY orders are fleshed out with each commitment.

The specifics of your Military TDY outline expected duration, amount of travel pay, coverage of expenses, housing and food support, transportation, and other forms of assistance.

How long is a TDY?

Military TDY is temporary for military orders, so the length is generally not longer than 180 days.

Temporary duty orders may range anywhere from a few days to a half year.

Long-term TDY is any orders which specify longer than 30 days.

TDY per diem rates depend on the location you have orders for. It will also include reimbursement for lodging, meals, and incidentals. 

Use this calculator to determine how much you can expect to receive. 

Military TDY is a stark contrast from Permanent Duty Assignments and Deployments, which have commitments of several months or years.

The Department of Defense authorizes TDY through Joint Travel Regulations.

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Is TDY considered a deployment?

Technically there is a difference between a temporary duty assignment (TDY) and Deployment, even though they are both military orders.

Deployments are similar to military TDY, except that the service member is assigned to a specific operation.

Therefore, deployments usually reference combat operations that take place overseas.

When most civilians think of military orders, they commonly associate everything with being deployed, though that’s not always the case based on the actual military definition.

Deployment refers to assigning military personnel from a home station to somewhere outside the continental United States.

Mobilizations are also classified as deployments under the Department of Defense guidelines.

How does a TDY differ from a deployment?

The biggest difference between deployments and temporary duty assignments is the length of the orders.

Military TDY is short-term, with even longer stints requiring less than a half year of commitment.

On the other hand, deployments are typically longer and involve assignments outside the United States.

Additionally, deployments involve assignments to specific operations and usually in combat situations.

However, both types of military orders have similarities.

For example, military personnel must leave their home station for a different location under each type of order.

Military TDY is not always as serious as deployments.

For instance, a temporary duty assignment could mean nothing more than attending school, conferences, or a military-sponsored event.

Or it could pertain to a regular part of military duty where frequent travel is mandatory and the service member hopes to receive some form of compensation for their travel exs.

There are cases where military personnel earn TDY status even when working in the same geographic area as the home base to justify lodging and meal expenses associated with the duty.

Soldiers also rely on military TDY for house hunting and other searches when considering a new permanent change of station or out-processing from military service.

Can I go with my husband/wife on a TDY?

One of the many perks of temporary duty assignments is that you can occasionally bring along the family.

The same is not true of deployments where it would put your spouse or other family members in danger.

If given the chance to bring along a spouse for your temporary duty assignment, you should welcome the opportunity, but keep in mind that pier diem rates are only calculated for the service member.

Military personnel often spend months away from family and friends, so having a unique opportunity like this to spend with a loved one is rare and special.

MilitaryShoppers.com put together a great resource on the topic.

It explains the pros and cons of tagging along with a significant other while he or she is on TDY.

The most important thing to keep in mind is that while you can live with your spouse while on temporary duty assignment, his or her time is still limited and it might drain your budget quickly.

Other than that, it’s an enticing opportunity to catch up after potentially months of separation.

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Will I get paid extra during a TDY?

Despite having to leave your home station, there is nothing more rewarding than a little extra pay in freedom.

It is exactly what temporary duty assignments provide to service members.

In fact, the reason that military personnel may request or seek TDY is the opportunity to put more in their wallet.

Military TDY usually grants per diem pay, which helps cover lodging, meals, and incidental expenses.

You get a set per diem pay regardless of what you actually spend each day on daily expenses.

As a result, if you budget accordingly, you can earn extra cash by pocketing whatever per diem you don’t spend on daily living expenses.

What kind of accommodations can I expect during a TDY?

The accommodations of temporary duty assignments are nothing to brag about yet offer incentives that most military personnel don’t get to enjoy.

For example, the potential opportunity to take your significant other along with you when TDY is a major advantage for some.

Military personnel may get the opportunity to stay at furnished apartments or long-term stay hotels.

Long-term stays help save you money on your per diem since you can cook your own meals as opposed to dining out all of the time.

Furnished apartments may also include laundry and other housing services to save even more money.

Service members on TDY may also request a cash advance of 60-80% of the total value.

It helps cover move-in costs as opposed to spending out of their own pocket.

Some military organizations deem anything over 30 consecutive calendar days. 

For this reason, it allows partial reimbursement of living expenses prior to concluding the assignment.

Military TDY, or temporary duty assignments, refer to relatively short-term military travel orders away from a home station.

Temporary duty assignments range from a couple of days to under six months.

Military TDY is a good thing for soldiers despite the travel arrangements, as it helps cover lodging, food, and transportation regarding the orders.

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Military TDY: What it is, How it Works, and What to Expect

Table of Contents

What is military tdy, how does military tdy work, what to expect during military tdy.

Military TDY is a common term used in the United States military to refer to temporary duty assignments that require service members to leave their home station and travel to a different location for a short period of time. In this article, we'll take a closer look at what military TDY is, how it works, and what service members can expect when they are assigned to TDY.

Military TDY, or Temporary Duty, is a type of assignment that requires service members to travel away from their home station for a period of time ranging from a few days to several months. TDY can be for a variety of reasons, including training, special assignments, temporary duty with other units or organizations, or for mission-related travel.

Military TDY can be initiated by a service member's unit, a higher headquarters, or by a specific mission requirement. Once a service member is selected for TDY, they are typically provided with orders that outline the purpose of the TDY, the location they will be traveling to, the duration of the assignment, and any other special instructions or requirements.

When traveling for TDY, service members are typically provided with transportation to and from their TDY location, as well as lodging, per diem for meals, and any other necessary support. While on TDY, service members are expected to perform the duties assigned to them and follow all applicable military regulations and policies.

When assigned to TDY, service members can expect to be away from their home station for the duration of the assignment. Depending on the location of the TDY, service members may be required to travel by commercial airline, military aircraft, or ground transportation. Upon arrival at their TDY location, service members will typically check in with their sponsor or point of contact and receive a briefing on the local area and any specific requirements or restrictions.

Service members will be responsible for performing the duties assigned to them during the TDY, which may include training, operational missions, or support functions. While on TDY, service members are expected to maintain a professional appearance and conduct themselves in accordance with military regulations and policies.

Military TDY is a common type of assignment in the United States military that requires service members to travel away from their home station for a temporary period of time. TDY can be for a variety of reasons, including training, special assignments, and mission-related travel. Service members selected for TDY can expect to receive orders outlining the purpose, location, and duration of the assignment, as well as any special instructions or requirements. While on TDY, service members are expected to perform the duties assigned to them and follow all applicable military regulations and policies.

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How to Prepare for Temporary Duty (TDY) Assignments: A Guide for Service Members and Their Families

• July 12, 2024

Embarking on a temporary duty assignment can be an exhilarating opportunity, not only for career growth but also for personal exploration. Whether you’re headed to a bustling city or a remote military base, preparation is key to making the most of your experience. In this guide, we’ll walk you through essential steps to ensure you’re fully prepared, from administrative necessities to personal comforts.

• What is TDY?

A temporary duty assignment (TDY) is a specific assignment or task that requires military personnel to temporarily relocate to perform duties at a location other than their permanent duty station. These assignments are often necessary when certain skills, expertise, or hands-on participation are required at a different location for a limited period. 

The duration of a TDY is determined by the specific needs of the assignment, ensuring service members have adequate time to complete their tasks without a permanent change of station. This temporary relocation not only helps fulfill mission-critical objectives but also provides personnel with opportunities to gain new skills and experiences.

• Different Types of TDY

There are many reasons why a service member may receive a TDY. The most common reasons include:

• Training and Development: Attending specialized military training programs, workshops, or seminars to enhance skills or acquire new qualifications that are essential for an individual’s role but cannot be conducted at their home station.
• Operational Support: Augmenting a unit or department to assist in disaster relief efforts, participate in joint military exercises with allied forces, or provide additional manpower during major events or security operations.
• Project-Specific: Contributing expertise to a specific project or initiative that requires specialized knowledge or skills.
• Audits and Inspections: Conducting financial audits, compliance reviews, or safety inspections at military bases to ensure adherence to standards and regulations.
• Meetings and Conferences: Participating in policy development meetings, strategy planning sessions, or international conferences that require direct interaction with others.
• Research and Fieldwork: Performing scientific research, environmental monitoring, or collecting geological samples in specific locations that are critical to the research objectives.
• Prepare Your Home and Family for Your TDY

TDYs can be an emotionally and logistically taxing process for spouses and families. Below are some strategies to help you prepare. 

• Emotional Preparation

We live in a digital world; use it to your advantage. Stay connected with family and friends who won’t be joining you via social media, calls, video calls, and texts. Doing this regularly will help you and your family maintain a sense of normalcy. 

Even though TDYs are only temporary, making connections is crucial for feeling comfortable and supported in your new space. If possible, establish relationships with other spouses and personnel. It’s likely they have also experienced a TDY and may be able to offer some guidance. Look for community groups, volunteer opportunities, and recreational sports leagues to grow your social support network.

• Logistical Management

Moving can be stressful and chaotic if you don’t plan ahead, especially if you’re changing time zones. Try to prevent some of this turbulence by establishing a routine for your family. This includes meal times, social time, family time, errands, and more. Doing this will provide your family with stability. Meal planning or batch cooking can also help with this.

Depending on the length of your TDY, you may need someone to check on your house while you’re gone. Find a trusted friend, relative, coworker, or neighbor who is willing to take responsibility for keeping your place clean and in good condition. If you’ll be gone for more than a week or two, be sure to remove any perishable food items from your house before leaving. 

• 3. Financial Planning

Before leaving for a TDY, ensure that your finances are in order. Automate payments as much as possible, set a budget, make a plan for paying any bills while you’re away, and talk to your landlord or provider about utility management. At the very least, there are steps you can take to minimize utility costs, such as turning off heating and air systems and unplugging all devices and appliances. Be sure to cancel or pause any subscriptions you won’t use while you’re away, like streaming services, meal kits, gym memberships, cable, and internet. 

When it comes to insurance, contact your agent for advice on managing your policies. Ask if a change of address is necessary and how it will affect your policy. Also, provide your insurer with any new contact information to ensure they can reach you if necessary. If your provider allows it, consider adding a secondary insured who will remain local to your policies. This person will be able to contact your provider to get information, make changes, or contest claims for you if necessary. This is especially beneficial for those who are relocating to areas with different time zones, as your provider’s hours of operation may not be conducive or convenient. 

If you have auto insurance and your vehicle will not be used during your TDY, talk to your insurer about putting your policy in vacation status. This will keep your car protected against loss or damage while reducing your monthly payments. Avoid canceling your policy, as some states require you to maintain minimum coverage.

• 4. Planning for Children

Talk to your children about the TDY, what it means, and how it will affect the family. Open communication can help them better adjust to the change and feel more secure. TDYs can be frightening for children, so it’s crucial to create a plan, communicate the plan, and stick to it.

If your children are going with you, it’s a good idea to keep a calendar of school events, assignments, and extracurricular activities. This helps you manage your time effectively and ensures your children remain engaged and active. You should also make childcare arrangements as soon as possible. Even if one parent won’t be working during the TDY, it’s important to have an established childcare plan in case of emergencies, social events, and unexpected events.

If your children will not be joining you, establish a robust childcare plan. This plan should include who will be taking care of them, how you will provide financial support, creating lists of important information like doctors, medications, and allergies, making school arrangements, creating a will that establishes guardianship, and scheduling regular video calls to stay connected. 

• 5. Pet Considerations

Unfortunately, your furry family member probably won’t be allowed to go on your TDY, so you’ll need to put a plan in place for them as well. Find a trusted caregiver—a relative, friend, neighbor, boarding facility, or sitter—to be responsible for your pet. Provide them with your veterinarian’s information, preferred food, routines, and any medications. 

Reach out to your veterinarian and inform them of your situation. If possible, consider leaving a credit or debit card on file for the vet to charge after your pet visits. If this isn’t possible, discuss with your caregiver how you will financially support your pet while you’re away. 

• Resources for TDY Families

You don’t have to navigate the uncertainties of your TDY alone; there are countless resources you can access for support, including:

• Family Readiness Groups (FRGs): The military organizes these groups to support families. FRGs provide information, assistance, and activities to help families cope with the challenges of military life.
• Spouse Clubs: Many bases have spouse clubs that offer a range of activities, from social events to volunteer opportunities. These clubs are a great way to meet other spouses, share experiences, and receive mutual support.
• Military OneSource : This online resource offers free, confidential support and information 24/7 for military members and their families. Services include counseling, help with child care, personal finance, education, and more.
• Installation Family Support Centers: These centers provide various assistance programs, including relocation services, financial management classes, employment assistance, and family counseling.
• Online Communities: Numerous online platforms and forums exist where military spouses connect, share advice, and offer support to each other worldwide. Find them through a quick Google search or on your preferred social media platform.

As you gear up for a Temporary Duty Assignment, remember that thorough preparation can make all the difference. Utilize the strategies and resources available to support military families, stay connected, and maintain a stable home environment. Embrace this opportunity for growth and new experiences, knowing you’ve set a solid foundation that keeps your family secure and supported. With these preparations in place, you’re ready to handle any challenges that come your way during the TDY.

Ready to secure peace of mind for your next TDY? Protect what matters most with American Fidelity Life Insurance. Our tailored policies ensure that no matter where your duties take you, your family’s financial future is safeguarded. Don’t wait for uncertainty—take action today and enjoy the confidence that comes with knowing you’re covered. Contact us today to find the perfect plan for your military lifestyle.

• Common TDY Questions

How do I submit TDY claims?

To submit TDY claims, gather all relevant receipts and documentation. Fill out the official TDY claim form provided by your administrative office or online portal. Then, submit the completed form and necessary documents as directed.

Is TDY the same as deployment?

TDY is not the same as a deployment. TDY is a temporary duty assignment. It is short-term and for specific tasks or training. Deployment is a longer-term assignment, typically overseas, and is focused on operational missions or combat.

Do you get paid on TDY?

Yes, you receive your regular pay during a TDY. You may also be eligible for per diem allowances to cover meals, lodging, and incidental expenses related to the TDY.

Can I go with my spouse on TDY?

Yes, spouses can typically go on TDY with service members. However, this may depend on the type of assignment.

Can you take leave while on TDY?

You can take leave during a TDY, but it requires approval from your commanding officer or supervisor. The leave must align with the operational commitments and not interfere with the purpose of the TDY.

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Military TDY: An In-Depth Look at Temporary Duty Assignments

Temporary Duty (TDY) is a fundamental component of military life, yet its nuances are not widely understood outside the military community. In this article, we'll unravel the details of Military TDY, discussing its nature, purpose, and the accommodations service members can avail during these assignments.

Understanding Military TDY

TDY, an acronym for "Temporary Duty," is a term used in the United States military to refer to a service member's temporary assignment to a location other than their permanent duty station. These assignments can range anywhere from a few days to several months, depending on the nature of the task. TDY assignments are a regular part of military life and can serve various purposes, from attending a training course or conference to participating in specific missions or projects.

The Purpose of TDY Assignments

The principal aim of TDY assignments is to fulfill temporary requirements or skill gaps that cannot be met by personnel at the permanent duty station. These assignments allow the military to efficiently allocate resources and personnel based on the changing needs and demands of different locations and tasks. Additionally, TDY assignments provide service members with opportunities for professional development and exposure to different aspects of military operations.

TDY Benefits and Per Diem Allowances

To compensate for the costs associated with temporary relocations, the military provides service members with TDY benefits, often in the form of per diem allowances. These allowances are designed to cover the expenses of lodging, meals, and incidental costs incurred during the TDY assignment. The rate of per diem varies depending on the location of the assignment and the duration of the TDY. It's important to note that these allowances are separate from the service member's regular pay and allowances.

TDY Accommodations and Housing

When on a TDY assignment, service members have various housing options available to them. These range from staying on base in military quarters to off-base options such as hotels, furnished apartments, and private accommodations. The choice often depends on the availability, duration of the assignment, and personal preference. Many service members are opting for private accommodations, such as those offered by Downtown Military Living, as these often provide more comfort, privacy, and a home-like environment.

The Challenges and Opportunities of TDY Assignments

While TDY assignments can be challenging due to the temporary nature of the relocation and the potential for disruption to family life, they also present opportunities for personal and professional growth. Service members have the chance to experience different locations, work on diverse tasks, and connect with colleagues from other units. Despite the challenges, many service members view TDY assignments as a rewarding and integral part of their military career.

Military TDY is a dynamic and multifaceted aspect of military life, offering both challenges and opportunities for service members. Understanding the intricacies of TDY assignments, including the provisions for TDY allowances and accommodations, can help service members and their families navigate these temporary relocations more effectively. Whether you're a service member preparing for a TDY assignment or a civilian seeking to understand more about military life, we hope this article has provided valuable insights into the world of military TDY.

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PCS, TDY and Deployments

Written by Veteran.com Team

There are several different types of military orders one can receive. They directly affect the service member’s duty location, the duration of that duty and how the service member is to be paid. These orders include Permanent Change of Station (PCS), Temporary Duty (TDY, TAD or other designation depending on the branch of service), and Deployments.

These three separate types of orders are not interchangeable. Depending on the nature of your military service, the orders may have specific implications about time served, special duty pay, per diem pay, and other compensation.

Temporary Duty Orders

What are Temporary Duty Orders? The Navy defines Temporary Duty Orders as, “duty at one or more locations, away from the permanent duty station (PDS), under an order, providing for further assignment or pending further assignment, to return to the old PDS or to proceed to a new PDS.”

Different Acronyms for The Same General Purpose: TDY Orders Across The Services

The Navy has Temporary Duty orders and Temporary Additional Duty orders. Official communications from the Navy official site refer to TAD as the Navy version of TDY.

Temporary Duty orders are known as TDY orders in the Air Force and the United States Army. The Army has other categories similar to TDY orders. Temporary Change of Station (TCS) orders authorize duty in a similar way to TDY orders.

The United States Marine Corps also uses TDY, but includes something called Long-Term TDY for orders authorizing duty at another location for longer than 30 days.

TDY Orders and Their Variants Are Subject to Regulation Changes

The basic distinguishing factor about TDY orders and their variants (TCS, TAD, etc.) is that these orders are designed to authorize duty in a location away from the service member’s duty station or assignment on a temporary basis.

TDY orders are required because Department of Defense regulations authorizing travel pay, per diem, and other expenses must be justified by official military orders to a specific location for a specific purpose. The documentation of the duty authorization, related expenses, and the results of the duty are required as a typical part of the process.

All other details are subject to change by government regulations. This includes the duration of authorized TDY travel and duty, the amount of travel pay or other money permitted to the service member, and how lodging and transportation are handled during the period of duty.

Do a Google search on the phrase “TDY rules” and you will find a staggering amount of information. Some old and outdated data, but some new and featuring changes or adjustments to areas mentioned above.

 What TDY, TAD, and TCS Orders Are Used For

There are hundreds of examples of typical use of Temporary Duty orders.  TDY status is used for professional military education such as Airman Leadership School or Navy Chief Petty Officer training. It may also be used as a regular part of military duty where frequent travel is required.

For example, pilots flying missions from a stateside base to duty in an overseas location may require TDY orders. Emergency medical evacuation teams sent to an operating location away from the military member’s assignment could also require the use of TDY orders.

TDY status may be required even when working in the same basic geographic area as the military member’s home base . If there is duty required at another base, TDY orders may be needed to justify lodging or meal requirements associated with that duty, where applicable.

TDY or TAD orders can be cut for purposes that strictly benefit the military member. There is something called Permissive TDY that can be used for house hunting in connection with a new assignment or in conjunction with outprocessing from military service.

This practice is common especially among those making a permanent change of station move with family members. TDY for house hunting allows a transition from one assignment to the next without excessive use of personal leave while trying to find a place to live.

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Deployment Orders

Deployment orders are different than TDY orders for a variety of reasons. One of those reasons is that deployments are conducted for a specific purpose. They normally involve either training, combat operations, or some other type of mission with a specific activity.

Some branches of the service use the phrase “deployment” interchangeably with TDY, PCS, etc. But the most precise use of the term for our purposes is the traditional one. Deployments are usually to “forward” locations whether for training purposes (a simulated or actual forward deployed area for the training), combat, etc.

Why Deployment Orders Are Different Than TDY Orders

Deployment orders are subject to their own rules and regulations. They are handled differently than PCS or TDY orders. Deployments normally happen in groups. So an individual soldier, sailor, airman, or marine will get deployment orders along with a group of others going to the same place. Group processing into and out of the deployment area of operations will likely be required.

Deployment Time Limits, Pay Issues

Deployments usually have a maximum time for “boots on the ground.” Traditionally, in recent decades, 179 days is a typical deployment length. The reason for this arbitrary number has much do to with the way this type of duty is categorized.

A military member sent out to a forward location for longer than 179 days would need to have that duty time recharacterized as a Permanent Change of Station move rather than a TDY or deployment. Some are confused by the need for jargon to define all this until they learn that how the military handles certain pay and allowances. It may depend on the status of the military member as being on TDY, PCS, or involved in a deployment.

TDY orders may involve a per diem payment for meals, funds for lodging, etc. A deployment presupposes that no such expenses are necessary, except for specifically defined circumstances listed in the orders.

For example, if commercial travel is required for a portion of the deployment, those expenses would be reimbursed. Such is the case if authorized on the orders or if the orders have been amended after the fact to authorize such expenses.

Deployments may trigger the authorization for hazardous duty pay or other payments, where applicable. TDY orders would not. A permanent change of station move (see below) would also include payments and authorizations that are not available under either TDY or deployment orders.

Unique Deployment Considerations: Stop Loss

Because of the nature of deployments (compared to PCS orders and TDY / TAD/ TCS orders), certain issues come up in connection with them that aren’t relevant to PCS or TDYs. One of those is the use of something called Stop-Loss . This is a practice where military members are not permitted to leave military service at the end of their military commitment due to mission demands.

Stop Loss can affect deployments because troops who get orders to deploy may (or may not) be at the end of a current enlistment. The military may choose to deploy these service members anyway and adjust the separation date accordingly. This is usually not done arbitrarily. Career fields who are vulnerable for stop loss action are normally identified/notified in advance of a deployment or potential deployment. Stop loss is not always invoked, but when it is there is usually a high demand or shortage involved for certain types of career fields or duty.

Those with approaching separation dates who are concerned about stop loss and its ability to affect the service member’s plans should discuss their questions with the unit orderly room, command support staff, or personnel office.

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Permanent Change of Station Orders

A Permanent Change of Station (PCS), also commonly referred to as a reassignment or sometimes (depending on the branch of service) as a “deployment” (but not a “real” deployment to a combat zone or forward location) is a totally different set of circumstances.

PCS orders authorize certain kinds of travel pay which is not permitted under other types of orders. For example, a service member may be authorized to claim mileage, lodging expenses associated with the PCS move, and there may be a provision for permissive TDY orders for house hunting.

PCS Orders, Pay, and Allowances

PCS orders essentially change the service member’s pay and allowances in some cases. Any cost of living allowance paid at the previous duty station, any housing allowances, and authorization for separate rations will change depending on policies at the gaining command or base.

By comparison, a set of TDY orders does not change any of these things. Hence the phrase “temporary duty” implying that the service member has NOT been reassigned to a new command. Deployments also do not touch the servicemember’s current assignment, etc. PCS orders indicate a more permanent (hence the name) relocation than temporary duty or deployments.

PCS Orders Can Include Family Members

PCS orders are also different than TDY and deployment orders because PCS moves affect the entire military family , where applicable. In some cases the orders will specify an “accompanied tour” and may name the family members in the orders. In others the service member may be reassigned as a “geographic bachelor” and not have the family accompany the service member.

Compare that to most TDY orders which are for service members only (or DoD civilians, etc.) and deployments which never authorize family members to accompany the soldier, sailor, airman, or marine.

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Temporary Duty (TDY) Travel Policy

This directive describes the U.S. General Services Administration’s (GSA) policy on the authorization and payment of travel expenses for TDY travel within the Continental United States (CONUS) and non-foreign areas. It contains standards, instructions, and procedures governing the authorization and payment of transportation, per diem, and miscellaneous expenses for employees on official travel in connection with the programs and operations of GSA and conforms with the Federal Travel Regulation (FTR), Executive Orders, appropriate statutes, decisions of the Civilian Board of Contract Appeals (CBCA), and determinations of the Administrator of General Services. This directive provides agency policy regarding travel allowances as required by FTR part 301-70.

Scope and Applicability

• This directive applies to all GSA organizations, programs, and personnel, including all Services, Staff Offices, and Regions. This Order applies to the Office of the Inspector General (OIG) to the extent that the OIG determines it is consistent with the OIG’s independent authority under the Inspector General Act and does not conflict with other OIG policies or the OIG mission. This Order applies to CBCA to the extent that the CBCA determines it is consistent with the CBCA’s independent authority under the Contract Disputes Act and applicable Federal Court decisions and does not conflict with other CBCA policies or its mission.
• This directive supplements the FTR and is issued under the authority of the FTR.  Supervisors, approval authorities, and employees must still consult the FTR to ensure compliance with the regulations and internal GSA policies not specifically addressed in this supplement. Employees should consult the other internal policies referenced herein for additional guidance on those specific topics.
• Any regional or other directives related to the authorization and approval of official travel, or reimbursement of travel-related expenses, must be cleared in advance through the Office of Travel and Charge Card Services, Office of Administrative Services (OAS).

Cancellation

This Order cancels and supersedes OAS 5700.1B, Temporary Duty (TDY) Travel Policy.

Responsibilities

The Office of Travel and Charge Card Services is responsible for developing travel policy for GSA employees and for individuals authorized to travel at GSA’s expense.

The following changes have been made to the Order:

• Chapter 1, Part 3, paragraph 11 is revised by replacing “HRM 6010.1B” with “HRM 6010.1C.”
• Chapter 3, Part 1, paragraph 2 is revised to provide guidance encouraging employee use of commercial rail service over air travel or long-distance automobile travel under certain conditions and for other technical changes. 
• Chapter 3, Part 3, paragraph 18a is revised to provide guidance encouraging employees to select a zero-emission vehicle (ZEV) when authorized to utilize a Government-furnished automobile.
• Chapter 3, Part 3, paragraph 19 is added to provide guidance on selecting ZEVs when authorized to utilize rental cars during TDY and for other technical changes.
• Chapter 3, Part 3, paragraph 23a is revised to provide guidance recommending the selection of ZEVs when utilizing transportation network companies (TNCs).
• Chapter 3, Part 3, paragraph 25 is added to provide guidance encouraging employees to utilize public transportation in and around the TDY location.
• Chapter 34, Part 3, paragraph 26 is added to provide guidance on maximizing ridesharing when TDY.
• Appendix A is revised to add the definition of “zero-emission vehicle”.

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PER DIEM LOOK-UP

1 choose a location.

Error, The Per Diem API is not responding. Please try again later.

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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.

Rates for foreign countries are set by the Department of State.

2 Choose a date

Rates are available between 10/1/2022 and 09/30/2025.

The End Date of your trip can not occur before the Start Date.

Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained.

Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."

Per diem localities with county definitions shall include "all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties (unless otherwise listed separately)."

When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality.

What is TDY?

If you’ve spent any time in the military or around someone in the military, you know acronyms are used all the time. This can be confusing and overwhelming when you’re not sure what a certain acronym means.

One acronym you’ll most likely hear at some point is “TDY.” If you’ve asked yourself, “What is TDY?” I can help you out. In this article, I’ll explain what TDY means, a different type of TDY, and what TDY is in the Army and the Air Force.

What Does TDY Mean?

Let’s start with the question, “ What does TDY mean? ” At its most basic definition, TDY stands for temporary duty . You might have been expecting three words since the acronym has three letters but that’s not the case for this one, it’s just temporary duty.

So, what does temporary duty mean? Temporary duty is anytime a military employee is assigned to serve somewhere other than their permanent duty station, which is where they are permanently based. The service member almost always goes back to their permanent duty station when the TDY orders are complete.

TDY orders are generally less than six months and almost all expenses for the service member are covered. This includes lodging and travel as well as a daily per diem rate. Per diem pay is designed to cover meals and many other incidental expenses.

There are a lot of variations of TDY and different regulations for the various types of temporary duty. Let’s take a look at one of those.

What is Permissive TDY?

One variation of TDY is permissive TDY. “What is permissive TDY?” might be a question you have to ask your spouse when it’s time to move. That’s because one of the most common times permissive TDY is used is when a military member receives orders to a new duty station.

Permissive TDY allows a service member to take leave without being charged for it. The difference between permissive TDY and regular TDY is that the military doesn’t cover any expenses.

A military member can request permissive TDY anytime after they’ve received their new orders. The squadron commander is usually the one responsible for approving or denying the permissive TDY request.

Since no expenses are covered with permissive TDY, many use it when they travel from their old base to their new base. Others, though, might use it for house hunting before leaving the duty station and dragging their whole family across the country with nowhere to live.

There are a couple of other instances where permissive TDY might be used:

• Participating in professional development activities
• Terminal leave for job or house hunting
• What is a TDY in the Military?

A TDY in the military is when a service member receives a temporary duty assignment as we discussed above. They get specific military orders to a specified location for a specified job.

Don’t confuse TDY orders with deployments. They may seem the same since the service member is most likely away from their home base but there are some differences.

Take a look at some of those differences:

• Deployments are put on for a specific purpose.
• Deployments generally involve training or combat operations.
• TDY is not generally combat related.
• Deployment and TDY orders each have their own rules and regulations.
• Deployments usually affect a group of people. TDY orders are normally individual.

So, next time you ask yourself, “What is a TDY in the military?” think temporary, individual, and a specific job.

What Does TDY Stand for?

As we’ve seen, TDY stands for temporary duty. There’s no clear indication where the “y” in the acronym comes from, perhaps from the word “duty.”

You’ll hear some people refer to it as “temporary duty assignment” but according to the DOD Dictionary of Military and Associated Terms, TDY simply stands for temporary duty.

What is TDY in Army?

TDY in the Army is a temporary assignment for a soldier away from their normal duty station. This could be for a couple of days, a couple of weeks, or months. Here are some examples of TDY orders in the Army:

• Specialized training away from a soldier’s normal duty station.
• Regularly scheduled exercises away from the normal duty station.
• Training schools away from the normal station when promoted in rank or a change in jobs.

The above examples are not the only instances where TDY orders are used but they are the most common. The Army may also choose to send a soldier on TDY orders to a different base when that soldier can benefit that base or unit in some way.

Remember, when a soldier is on TDY orders, they are entitled to pay for travel, lodging, meals, and other expenses.

What is TDY in Military Terms?

Life would be much easier if acronyms were universal across all branches of the military but unfortunately, that’s not the case. The acronym TDY is used in the Army, Air Force, and Coast Guard but it’s a different acronym for the Navy and Marines.

So, what is TDY in military terms? The same definition of TDY generally holds true across the branches whether the acronym is the same or not. It’s still a temporary duty assignment.

The Navy and Marines refer to these temporary assignments as “temporary additional duty” orders or TAD. These orders are still considered duty at a location away from the service member’s permanent duty station and the service member is still entitled to the same financial benefits.

What is TDY in the Air Force?

If you’re in the Air Force, TDY is the same general idea as if you were in the Army. The locations may be different but it’s still temporary duty orders sending you somewhere other than your permanent duty station for some period of time.

The following are the reasons the Air Force outlines for TDY orders:

• Requirements for the service member’s next permanent change of station (PCS) assignment
• Administrative reasons
• Manning assistance

The Air Force limits the lengths of TDYs for Airmen attending training courses to less than 20 weeks. If a course or combination of courses in the same location is longer than 20 weeks, it’s considered a PCS.

Just as in the Army, service members in the Air Force are reimbursed for travel, lodging, meals, and many other expenses.

Pay While on TDY

The million-dollar question for many military families when they receive any type of new orders is “How do these orders affect our pay?”

The good news is, in most cases, there’s no negative effect on your pay and you might even see a positive effect if the service member doesn’t use all of their per diem. Since the orders are temporary, that means there is no change to a service member’s housing allowance or any other pay related to location.

What’s Covered With TDY Orders?

Issuing TDY orders allows the military to compensate the service member for various expenses related to the trip. As we’ve mentioned, lodging and travel are covered when a service member receives TDY orders (unless it’s permissive TDY) but these reservations must be financially reasonable.

The military uses the phrase “travel responsibly” meaning the service member should use the same thought with the money they spend while TDY as a prudent person would if they were paying.

For example, travel and lodging reservations must be made through the Department of Defense or DoD travel system. Lodging through the system is normally on base. If lodging on base isn’t available, a DoD preferred hotel or lodging is the next best option.

That means there are no all-inclusive resorts or first class seats while on TDY orders unless you’re paying for them yourself.

The per diem rate a service member receives depends on the location of their TDY orders. Per diem is a daily rate designed to cover meals and can vary depending on whether they stay on or off base. If they’re staying on base and a galley option is available, the service member will likely receive partial per diem.

Either way, it’s possible the service member can come home with some extra money if they watch how they spend it while on TDY.

Now that you know what a TDY is, you can chime in the next time it comes up in conversation and not feel too lost.

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