Sentence: 'Senate aides said eight of the troubled tankers are based at the 161st Refueling Wing in Arizona , home state of Senate Commerce Chairman John McCain , R-Ariz. , an outspoken critic of the Air Force 's plan to recapitalize its tanker fleet.continue . .', Argument/Subject 1: 'arizona', Argument/Subject 2: 'john mccain'
be home state of