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? 
Sentence (from "Yuma International Airport"): 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.
Relevant evidence: Yes