Security Forces keep Osan safe during readiness exercise Published Nov. 16, 2011 By Senior Airman Adam Grant 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- Members of the 51st Security Forces Squadron scan their sectors for opposing forces Nov. 14, 2011, during Beverly Bulldog 11-03, a peninsula-wide operational readiness exercise. The exercise allows Airmen to demonstrate their ability to complete the mission in a simulated hostile environment while executing their primarily duties. (U.S. Air Force photos/Senior Airman Adam Grant)