what is nellis afb icao
Nellis Air Force Base. Nellis Air Force Base (Nellis colloq.) is a United States Air Force installation in southern Nevada with military schools and more squadrons than any other USAF base. [citation needed] 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).