Question: What United States Marine Corps air station which is the home to multiple squadrons of AV-8B Harrier IIs is located at the Yuma National Airport? 
Related documents: [0]  [DOC] 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. It is a designated Superfund site due to a number of soil and groundwater contaminants, including asbestos. [END] 
[1]  [DOC] Yuma International Airport (IATA: YUM, ICAO: KNYL, FAA LID: NYL) is a joint use airport with civilian and military flight activity operated in conjunction with the U.S. Marine Corps via the Marine Corps Air Station Yuma. 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. It is mostly used for military aviation, but is also served by one commercial airline and one aeromedical Medevac company as well as being used for general aviation activities. [END] 
Answer: 
Marine Corps Air Station Yuma
Marine Corps Air Station Yuma