A U.S. Air Force combat rescue officer and three pararescuemen prepare simulated casualties for transport before loading them onto an HH-60 Pave Hawk helicopter during a mass casualty training scenario as part of exercise Pacific Thunder 2012 near Osan Air Base, South Korea, Oct. 18, 2012. A U.S. Air Force combat rescue officer and three pararescuemen prepare simulated casualties for transport before loading them onto an HH-60 Pave Hawk helicopter during a mass casualty training scenario as part of exercise Pacific Thunder 2012 near Osan Air Base, South Korea, Oct. 18, 2012. SHARE: Download: Full Size (2.49 MB) Tags: photo essays Credit: VIRIN: 835464-Y-IOO55-312.jpg Photo Gallery