51 OG Osan AB, ROK U.S. Air Force Custom Patches

The 51st Operations Group is the most forward deployed USAF Operations Group in the world, providing combat ready aircraft for the close air support, air strike control, counter air, interdiction, theater airlift, and communications in the defense of the Republic of Korea. The group's World War II predecessor unit, the 51st Fighter Group. was activated in January 1941, nearly a year before American entered World War II. The 51st Operations Group is the most forward deployed USAF Operations Group in the world, providing combat ready aircraft for the close air support, air strike control, counter air, interdiction, theater airlift, and communications in the defense of the Republic of Korea.

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