The base in which the 66th Rescue Squadron is stationed hosts which air combat exercises?
66th Rescue Squadron: The 66th Rescue Squadron is stationed at Nellis Air Force Base, Nevada, where it operates HH-60 Pave Hawk aircraft conducting search and rescue and combat search and rescue missions. Nellis Air Force Base:  Nellis hosts air combat exercises such as Exercise Red Flag and close air support exercises such as Green Flag-West flown in "Military Operations Area (MOA) airspace".
Exercise Red Flag