A 33rd Rescue Squadron HH-60 Pave Hawk casts a shadow over a mountain in the Republic of Korea during combat search and rescue training During Pacific Thunder 2012. Pacific Thunder is an annual two-week exercise where members of the 33rd and 31st Rescue Squadrons met up with the 25th Fighter Squadron and multiple other units at Osan Air Base, ROK, to test Combat Search and Rescue tactics to prepare for real-world emergency situations.