Osan exercises Emergency Management Published May 23, 2011 By Staff Sgt. Daylena Gonzalez 51st Fighter Wing, Public Affairs OSAN AIR BASE, Republic of Korea -- Osan responders practiced a newly drafted humanitarian evacuation plan during an Emergency Management Exercise here May 23. The scenario was fairly familiar...Japan experienced a devastating earthquake making it necessary for Americans stationed there to evacuate the region. A plane full of evacuees was simulated by children from Osan Middle School. (U.S. Air Force Photo by/Staff Sgt. Daylena Gonzalez)