Active US Military Bases in South Korea
South Korea hosts 6 U.S. military bases or major installations in the current MilitaryINSTALLATIONS overseas directory. This guide keeps the details brief so you can quickly see where each location is and what it supports.
US Military Bases in South Korea
U.S. forces in South Korea support a mix of training, logistics, aviation, fleet, headquarters and regional missions. The installations below are grouped by service branch.
Army Bases in South Korea
U.S. Army locations here support soldiers, readiness, training, logistics and day-to-day garrison services.
USAG Daegu
USAG Daegu is an active U.S. military location in Daegu. Its main role includes army logistics and garrison support.
| Branch / organization | Army |
|---|---|
| Location | Daegu |
| Country | South Korea |
| Main operations | Army logistics and garrison support |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
USAG Humphreys
USAG Humphreys is an active U.S. military location in Pyeongtaek. Its main role includes major army headquarters, logistics and community support.
| Branch / organization | Army |
|---|---|
| Location | Pyeongtaek |
| Country | South Korea |
| Main operations | Major Army headquarters, logistics and community support |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
USAG Yongsan-Casey
USAG Yongsan-Casey is an active U.S. military location in Seoul / Dongducheon area. Its main role includes army garrison and operational support.
| Branch / organization | Army |
|---|---|
| Location | Seoul / Dongducheon area |
| Country | South Korea |
| Main operations | Army garrison and operational support |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
Air Force Bases in South Korea
U.S. Air Force locations here support flying missions, readiness, logistics and regional operations.
Kunsan Air Base
Kunsan Air Base is an active U.S. military location in Gunsan. Its main role includes fighter aviation and readiness.
| Branch / organization | Air Force |
|---|---|
| Location | Gunsan |
| Country | South Korea |
| Main operations | Fighter aviation and readiness |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
Osan Air Base
Osan Air Base is an active U.S. military location in Pyeongtaek area. Its main role includes air combat, command, surveillance and readiness.
| Branch / organization | Air Force |
|---|---|
| Location | Pyeongtaek area |
| Country | South Korea |
| Main operations | Air combat, command, surveillance and readiness |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
Navy Bases in South Korea
U.S. Navy locations here support ships, aviation, logistics and personnel across the region.
Commander Fleet Activities Chinhae
Commander Fleet Activities Chinhae is an active U.S. military location in Changwon / Jinhae. Its main role includes naval logistics and fleet support.
| Branch / organization | Navy |
|---|---|
| Location | Changwon / Jinhae |
| Country | South Korea |
| Main operations | Naval logistics and fleet support |
| Public contact | Use the installation’s official MilitaryINSTALLATIONS contact listing for the current office number |
| Status | Active |
Frequently Asked Questions
How many active US military bases are in South Korea?
This guide includes 6 current base or major installation entries for South Korea from the MilitaryINSTALLATIONS overseas directory.
Which U.S. military branches have bases in South Korea?
The current entries include Navy, Air Force, Army.
Are U.S. military bases in South Korea active?
Yes. The locations in this guide are listed as current overseas installations. Individual missions and unit assignments can change over time.
Can civilians visit U.S. military bases in South Korea?
Access is controlled. Visitors normally need authorization and valid identification, and rules can differ by installation and host-country requirements.
Why can military-base totals for South Korea differ?
Some sources count small sites, tenant units or separate facilities differently. This article uses major entries in the current MilitaryINSTALLATIONS directory for a consistent count.