NavyInstallation guide

Navy Support Facility Diego Garcia

Chagos Archipelago · British Indian Ocean Territory. Mission, community context and official resources for your next step.

LocationChagos Archipelago
Country / territoryBritish Indian Ocean Territory
Map categoryNavy
Core facts reviewed2026-09-30
View saved comparisonArrival checklist

Expanded guide researched 2026-10-12. Prepared by LockLeed International from the official sources linked throughout this guide.

Navy Support Facility Diego Garcia at a glance

Navy Support Facility Diego Garcia supplies logistical and installation support to U.S. and allied forces in the Indian Ocean. Its official mission describes support that can reach across several geographic command areas, reflecting the island's role in a wider chain of overseas sustainment. The facility supports different mission requirements rather than a single publicly defined ship or aircraft unit.

The U.S. support presence followed a 1966 agreement with the United Kingdom, with Navy Seabees beginning construction in 1971. A major construction program reached completion in 1986. The facility's remote island setting makes official command resources especially important for understanding an assignment. Researching Diego Garcia therefore brings together the history of its construction and the logistical and community services that sustain personnel at an isolated overseas location.

Also searched as: NSF Diego Garcia, NAVSUPPFAC Diego Garcia, Diego Garcia.

Sources: Diego Garcia mission and vision; Diego Garcia installation history

Mission and major activities

  • Provides logistics and shore support for U.S. and allied forces in the Indian Ocean.
  • Supports requirements extending across multiple geographic command areas.

Sources: Diego Garcia mission and vision

History and identity

The U.S. support presence followed a 1966 agreement with the United Kingdom. Navy Seabees began construction in 1971, and a major construction program reached completion in 1986.

Sources: Diego Garcia installation history

Location and community

Diego Garcia is a remote island in the Indian Ocean.

Sources: Diego Garcia installation history; NSF Diego Garcia official installation introduction

Plan for an unaccompanied island assignment

Diego Garcia’s installation accommodation profile states that there is no family housing and that orders to the facility are unaccompanied. This is the most important distinction for a newcomer reading a general overseas-base guide. The Navy locates the installation in the Chagos Archipelago of the Indian Ocean, a very different setting from an urban shore base. Questions to confirm: which gaining command handles the member, what approved travel instructions have been issued, and which home-location support contacts will the family use? Do not convert a member’s island assignment into a household relocation plan without explicit official direction.

Official sources: Diego Garcia unaccompanied accommodation; Naval Support Facility Diego Garcia

The sponsor arranges more than a welcome message

The Diego Garcia sponsorship profile says the gaining-unit sponsor sends a welcome package, arranges unaccompanied-housing reservations and provides arrival information. It asks the newcomer to supply accurate contact and itinerary details. Questions to confirm: has the sponsor acknowledged the final travel plan, is the accommodation reservation confirmed, and who is the alternate contact if a connection changes? Keep the current welcome package accessible outside shipped baggage. A remote arrival gives sponsorship a practical role in connecting the journey with accommodation and check-in, rather than merely introducing the member to future colleagues.

Official sources: Diego Garcia sponsorship

Private quarters and shared facilities are different things

The official accommodation profile describes furnished unaccompanied quarters with private living and bathroom space, alongside shared lounges and cooking facilities in enlisted accommodation. It distinguishes officer-quarter kitchenettes from enlisted arrangements. The practical point is to ask about the assigned room type before deciding what to pack. Questions to confirm: what is supplied, what cooking equipment is permitted, and which personal items fit the room? A private room does not imply that every domestic activity has a private facility. Obtain the current resident rules directly rather than assuming a standard apartment layout from a generic lodging description.

Official sources: Diego Garcia unaccompanied accommodation

Separate immediate baggage from later personal-property shipments

The installation’s personal-property profile provides a contact route for move questions and recommends separating unaccompanied baggage, household goods and items left in storage. That decision is especially relevant when the accommodation is already furnished and the destination is an isolated island facility. Questions to confirm: what is needed for the first days, which shipment is actually authorized, and what can remain stored at home? Confirm limits and timing with the responsible move office and sponsor. The public guide is useful for framing the questions, while the member’s orders and current shipping advice determine the actual arrangement.

Official sources: Diego Garcia personal-property planning; Diego Garcia unaccompanied accommodation

Published addresses and access

Use the destination label below to distinguish visitor access, a service office and postal mail. A published address does not authorize entry. Confirm current access, sponsorship, appointments and reporting instructions with the official office before travelling.

Service office: Fleet and Family Support Office

Building 141, Navy Support Facility Diego Garcia, British Indian Ocean Territory

Entry requires approved area clearance. Coordinate authorized travel and the exact on-island reporting destination with the sponsor; this is an on-island service building.

Navy Support Facility Diego Garcia | Military & Family Support Center Programs & Services | MilitaryINSTALLATIONS

Address source checked 2026-10-08

Mailing only: Fleet and Family Support Office mailing address

PSC 466, Box 18, AP 96595

Postal routing only; do not use the PSC/Box address as a physical arrival destination.

Navy Support Facility Diego Garcia | Military & Family Support Center Programs & Services | MilitaryINSTALLATIONS

Address source checked 2026-10-08

The official support-office contact combines an on-island building locator with separate PSC/Box postal routing. No numbered public street or general visitor entrance was verified.

Official directions or arrival contact

Before you arrive

Planning for this location

Use current command guidance to prepare for the transport and support requirements of a remote island assignment.

Use these questions with your sponsor or gaining organization. They are a starting point for planning, including assignments, courses and training periods that differ from a routine permanent change of station.

  1. Confirm the organization, duration and reporting instructions shown on your orders. Ask which office handles your arrival.
  2. Clarify lodging and housing arrangements before booking. Ask about availability, required approvals and how to handle a late arrival.
  3. For an overseas assignment, ask your sponsor about family travel authorization, required documents, medical screening, pets and vehicle shipment before making reservations.
  4. Coordinate household goods and personal travel with the appropriate transportation office. Keep orders, receipts and important family records together.
  5. Make a short list of contacts for medical care, schools, childcare and family support, where applicable to your assignment.

Official overseas moving resources   Housing allowance information

Sources: Diego Garcia installation history

Resources for service members and families

Start with the official resources for Navy Support Facility Diego Garcia and ask which services your household can use. For a training site, rotational location or Reserve component assignment, confirm arrangements with your unit rather than assuming the services of a large residential installation are available.

Housing and family support

Find housing, relocation assistance, childcare and school liaison contacts for the correct installation or support community.

Find official contacts

Spouse employment

Review federal spouse hiring guidance and ask the local family support office about employment resources.

Review spouse hiring guidance

Military health coverage

Review official TRICARE moving guidance for your plan and contact your provider or contractor about care during your move.

Review TRICARE moving guidance

VA care after service

Locate VA facilities near the community where you plan to live after service. Confirm your eligibility and appointments with the provider.

Find VA locations

Personalized moving checklist

Build a moving checklist for your household using the official Plan My Move tool.

Create your moving checklist

From this mission to your next career

The mission at Navy Support Facility Diego Garcia suggests the following areas to consider when describing your experience. These are LockLeed career suggestions based on the public mission, not a list of vacancies or qualifications held by everyone assigned here.

Remote logisticsFacilities maintenanceTransport supportSupply operations

Write down the equipment, systems, processes and teams you personally supported. Add a specific result you can discuss publicly, then match that evidence to the civilian role you want. Keep operational details and sensitive information out of your application.

Translate your experience

Turn your MOS, AFSC or rating into civilian job titles and resume language. Adjust the result to reflect your actual work.

Use the MOS translator

Prepare your resume

Build a clear resume around skills, outcomes, credentials and the roles you want next.

Open Resume Studio

Plan your transition

Organize your separation timeline and discuss official requirements with your transition counselor.

Open the separation planner

Find federal opportunities

Search current announcements and read the location, hiring path and qualifications in each posting.

Search USAJOBS

Official transition resources   Explore SkillBridge programs

Official contacts and installation services

Use the named official resource for this installation or its support community. A directory link does not establish service eligibility, availability or a reporting location. Confirm arrangements with the office or your gaining organization.

arrival

Diego Garcia sponsorship

Sponsor, welcome package and unaccompanied-housing reservation guidance.

Open official resource
housing

Diego Garcia unaccompanied accommodation

Installation-specific accommodation scope and room arrangements.

Open official resource
arrival

Diego Garcia personal-property planning

Personal-property office and shipment-planning information.

Open official resource

Research note: Official CNIC and Military OneSource indexed content reviewed. The Navy’s public location label is retained without drawing conclusions about sovereignty or treaty changes.

Your Navy Support Facility Diego Garcia arrival checklist

A starting checklist from LockLeed. Adapt these questions to your orders and assignment; training, temporary and rotational visits can have different arrangements. Check off completed tasks, save progress on this device, or print the checklist. Your browser’s print menu also lets you save a PDF.

Guide: https://lockleed.com/bases/nsf-diego-garcia

0 of 9 tasks complete. Progress is kept for this visit until you choose Save progress.

Official personalized moving checklist

Only completed task IDs and this base ID are saved locally when you choose Save progress. No personal notes, orders or location coordinates are stored or sent.

Frequently asked questions

Where is Navy Support Facility Diego Garcia?

Navy Support Facility Diego Garcia is listed in this guide at Chagos Archipelago, British Indian Ocean Territory. The map point is approximate. For arrival and reporting information, use official resources and your orders.

What is Navy Support Facility Diego Garcia known for?

Provides logistics and shore support for U.S. and allied forces in the Indian Ocean. Supports requirements extending across multiple geographic command areas.

What should I confirm before arriving?

Use current command guidance to prepare for the transport and support requirements of a remote island assignment.

How can I prepare for a civilian career from here?

Start with your own military occupation and experience. Use the MOS translator, resume builder and separation planner, and discuss your timeline with the official transition counselor. LockLeed helps candidates pursue direct-hire civilian roles at no cost to the candidate.

Does Diego Garcia have government family housing?

The official accommodation profile says no family housing is available and describes the installation’s orders as unaccompanied. Confirm the member’s specific assignment and home-location family-support plan through the gaining command before making travel commitments.

Official sources: Diego Garcia unaccompanied accommodation

Who should confirm my Diego Garcia room before arrival?

The sponsorship profile assigns the gaining-unit sponsor a role in making unaccompanied-housing reservations. Give the sponsor accurate itinerary and contact information and obtain confirmation of the actual arrangement before travel.

Official sources: Diego Garcia sponsorship

Sources and editorial notes

Installation facts above are drawn from the official sources below. Career suggestions and planning questions are LockLeed editorial guidance. Use official offices for current policies, eligibility and arrangements.

  1. Diego Garcia mission and visionSupports: overview, mission
  2. Diego Garcia installation historySupports: overview, local context, planning note, history
  3. NSF Diego Garcia official installation introductionSupports: local context
  4. Diego Garcia unaccompanied accommodationSupports: expanded guide and official services
  5. Diego Garcia sponsorshipSupports: expanded guide and official services
  6. Diego Garcia personal-property planningSupports: expanded guide and official services
Shared planning and career resources

Reviewed 2026-09-30. This independent guide is not affiliated with or endorsed by the U.S. Department of Defense. Map points are approximate and are not routing or reporting instructions.