News Release: Osan Airman death Published Feb. 10, 2015 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- An Airman from the 51st Civil Engineer Squadron died here in a non-duty related incident, Feb. 9. The cause of death is currently under investigation. The name of the Airman is being withheld until 24 hours after the notification of the next of kin.