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.
 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).
 The base also has the Combined Air and Space Operations Center-Nellis.
The 65th Aggressor Squadron is an inactive United States Air Force unit.
 It was last assigned to the 57th Adversary Tactics Group at Nellis Air Force Base, Nevada.
The 65th Bombardment Squadron is an inactive United States Air Force unit.
 It was last assigned to the 43d Bombardment Wing at Carswell Air Force Base, Texas, where it was inactivated on 31 January 1970.
The 527th Space Aggressor Squadron (527 SAS) is a non-flying United States Air Force unit assigned to the 57th Adversary Tactics Group.
 The 527 SAS is stationed at Schriever Air Force Base, Colorado, being a Geographically Separated Unit (GSU) of the 57 ATG, which is stationed at Nellis AFB, Nevada.
The 26th Space Aggressor Squadron (26 SAS) is a unit of the United States Air Force located at Schriever Air Force Base, Colorado.
 It is part of the 926th Group and is the Reserve Associate of the 527th Space Aggressor Squadron.
The 2nd Troop Carrier Squadron is an inactive United States Air Force unit.
 It was last assigned to the 65th Troop Carrier Group.
 It was inactivated at Mitchel Air Force Base, New York on 1 April 1953.
Marine Aircraft Group 41 (MAG-41) is a United States Marine Corps reserve aviation unit based at Naval Air Station Joint Reserve Base Fort Worth, Texas that is currently composed of one F/A-18A+ squadron, one KC-130T squadron, an aviation logistics squadron, as well as detachments from wing support and air control squadrons.
 Following decommissioning of Marine Aircraft Group 46 in 2009, MAG-41 also assumed command responsibility for the geographically separated Northrop F-5F aggressor squadron based at Marine Corps Air Station Yuma, Arizona and a Boeing Vertol CH-46 squadron HMM-764 based at Edwards Air Force Base, California.
 HMM-764 transitioned to the MV-22B in 2013 and relocated to MCAS Miramar.
The 64th Aggressor Squadron is a United States Air Force unit.
 It is assigned to the 57th Adversary Tactics Group at Nellis Air Force Base, Nevada.
The 65th Air Division (65th AD) is an inactive United States Air Force organization.
 Its last assignment was with United States Air Forces in Europe, assigned to Seventeenth Air Force, being stationed at Lindsey Air Station, Germany.
 It was inactivated on 30 June 1991.
The 18th Aggressor Squadron is a subordinate unit of the 354th Fighter Wing based at Eielson Air Force Base in Alaska, and flies the Block 30 General Dynamics F-16C/D aircraft.

Question: What Unites States Air Force installation was last assigned the 65th Aggressor Squadron?
Answer: Nellis Air Force Base