DTMO · DoD OCONUS Per Diem

Joint Region Marianas (Naval Base), Guam OCONUS Per Diem Rates (DTMO)

Effective date: April 1, 2025 Last updated: October 1, 2025
Lodging (per night)
$179
Local meals
$99
Incidentals
$25
Maximum per diem
$303
Lodging + meals + incidentals

Historical rate trend

Joint Region Marianas (Naval Base) rate history — Max per diem ($/day). Query any past effective date directly via the API.

Effective date Lodging M&IE Max per diem
Jul 1, 2026 $179 $124 $303
Mar 1, 2025 $179 $124 $303
Jan 1, 2025 $159 $124 $283
Oct 1, 2024 $179 $124 $303
Feb 1, 2023 $159 $124 $283
Jan 1, 2023 $159 $96 $255
Oct 1, 2022 $159 $124 $283
Sep 1, 2019 $159 $96 $255
Jan 1, 2019 $159 $87 $246
Oct 1, 2018 $159 $96 $255
Jul 1, 2015 $159 $87 $246
Mar 1, 2015 $159 $84 $243
Oct 1, 2014 $159 $87 $246
Page of · 13 rows

How this rate is used

This DTMO per diem rate is the Department of Defense ceiling for lodging, meals and incidental expenses for DoD travelers (military and civilian) on TDY in Joint Region Marianas (Naval Base), guam. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($59) applies when some meals are provided in kind.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/dtmo/perdiem/oconus/US-GU?city=Joint%20Region%20Marianas%20(Naval%20Base)"
Sample response
{
  "effective_date": "2025-04-01",
  "results": [
    {
      "iso_code": "US-GU",
      "local_incidental": 25,
      "local_meal_rate": 99,
      "location": "Joint Region Marianas (Naval Base)",
      "lodging": 179,
      "maximum_perdiem": 303,
      "proportional_meal_rate": 59
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Joint Region Marianas (Naval Base) rate FAQ

What is the OCONUS per diem rate for Joint Region Marianas (Naval Base), Guam?

The current maximum DTMO OCONUS per diem for Joint Region Marianas (Naval Base), Guam is $303 per day — $179 for lodging, $99 for local meals and $25 for incidentals.

What is the proportional meal rate for Joint Region Marianas (Naval Base)?

The proportional meal rate for Joint Region Marianas (Naval Base) is $59 per day, used when some meals are furnished.

When did the Joint Region Marianas (Naval Base) per diem rate last change?

The rate shown reflects the latest DTMO publication. The historical table above lists prior maximum per diem values back to Oct 1, 2014.

Source & methodology

Effective period
Effective Apr 1, 2025 (published Jul 2026)
Last updated
July 1, 2026

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.