Nellis Air Force Base is a United States Air Force installation in southern Nevada․ 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＂‚ associated with the nearby Nevada Test and Training Range （NTTR）․ The base also has the Combined Air and Space Operations Center-Nellis․ The USAF Air Demonstration Squadron is the air demonstration squadron of the United States Air Force （USAF）․ The Thunderbirds‚ as they are popularly known‚ are assigned to the 57th Wing‚ and are based at Nellis Air Force Base‚ Nevada․ This world wasn't made for any teams‚ and is free use․