Where is the designated Superfund site, which is the home to multiple squadrons, located?
Yuma International Airport:  The airfield is located three nautical miles (6 km) south of the central business district of Yuma, a city in Yuma County, Arizona, United States. Marine Corps Air Station Yuma: Marine Corps Air Station Yuma or MCAS Yuma (ICAO: KNYL, FAA LID: NYL) is a United States Marine Corps air station which is the home to multiple squadrons of AV-8B Harrier IIs of the 3rd Marine Aircraft Wing, Marine Aviation Weapons and Tactics Squadron 1 (MAWTS-1), Marine Test and Evaluation Squadron 22 (VMX-22) and Marine Fighter Training Squadron 401 (VMFT-401), an air combat adversary squadron of the 4th Marine Aircraft Wing of the Marine Corps Reserve. Marine Corps Air Station Yuma:  It is a designated Superfund site due to a number of soil and groundwater contaminants, including asbestos.
Yuma County, Arizona