A 31st Rescue Squadron pararescueman performs alternate insertions and extractions from a 33rd Rescue Squadron HH-60 Pave Hawk during a combat search and rescue training scenario for Exercise Pacific Thunder 2012 at Osan Air Base, South Korea, Oct. 12, 2012. The exercise provides rescue squadron Airmen with a much-needed training environment that prepares them for real-world scenarios. (U.S. Air Force photo/Staff Sgt. Sara Csurilla)