Question: In which county is this Air National Guard facility of the Ohio Air National Guard, where 166th Air Refueling Squadron is located, found? 
Context: The 134th Air Refueling Wing (134 ARW) is a unit of the Tennessee Air National Guard, stationed at McGhee Tyson Air National Guard Base, Knoxville, Tennessee.  If activated for federal service, the Wing is gained by the United States Air Force Air Mobility Command.  The 134th Air Refueling Wing's KC-135 mission is to provide air refueling and airlift, as directed by the Secretary of Defense.  It has been stationed at McGhee Tyson Airport since December 1957, though the ANG facility at the airport has been redesignated several times.  Their radio callsign is "Soda" Rickenbacker Air National Guard Base (1942–present) is an Air National Guard facility of the Ohio Air National Guard located near Lockbourne in southern Franklin County.  The base was named for the famous early aviator and Columbus native Eddie Rickenbacker.  It is the home of the United States Air Force's 121st Air Refueling Wing (121 ARW), which serves as the host wing and is an Air National Guard (ANG) unit operationally-gained by the Air Mobility Command (AMC). The 106th Air Refueling Squadron (106 ARS) is a unit of the Alabama Air National Guard 117th Air Refueling Wing.  It is assigned to Birmingham Air National Guard Base, Alabama and is equipped with the KC-135R Stratotanker aircraft. The 166th Air Refueling Squadron (166 ARS) is a unit of the Ohio Air National Guard 121st Air Refueling Wing located at Rickenbacker Air National Guard Base, Columbus, Ohio.  The 166th is equipped with the KC-135R Stratotanker. The 117th Air Refueling Squadron (117 ARS) is a unit of the Kansas Air National Guard 190th Air Refueling Wing located at Forbes Field Air National Guard Base, Topeka, Kansas.  The 117th is equipped with the KC-135R Stratotanker. The 145th Air Refueling Squadron (145 ARS) is a unit of the Ohio Air National Guard 121st Air Refueling Wing located at Rickenbacker Air National Guard Base, Columbus, Ohio.  The 145th is equipped with the KC-135R Stratotanker. The 126th Air Refueling Squadron is a unit of the 128th Air Refueling Wing of the Wisconsin Air National Guard stationed at General Mitchell Air National Guard Base, Wisconsin.  The 126th is equipped with the KC-135R Stratotanker. McGhee Tyson ANGB is the home of the 134th Air Refueling Wing (134 ARW) of the Tennessee Air National Guard, an Air Mobility Command (AMC) gained unit which functions as the host wing for the installation.  Other tenants of the base include the 119th Command and Control Squadron the I.G. Brown Air National Guard Training and Education Center, Air National Guard Band of the South, and the 1st Squadron, 230th Armored Cavalry Regiment's Army Aviation Support Facility of the Tennessee Army National Guard, operating several OH-58 Kiowa Warrior helicopters. The 174th Air Refueling Squadron (174th ARS) is a unit of the Iowa Air National Guard 185th Air Refueling Wing.  It is assigned to Sioux City Air National Guard Base, Iowa and is equipped with the KC-135R Stratotanker aircraft. The 99th Air Refueling Squadron is part of the 6th Air Mobility Wing at MacDill Air Force Base, Florida, but is stationed at Birmingham Air National Guard Base, Alabama.  It is an Active Associate Unit, an active duty component attached to the Alabama Air National Guard's 117th Air Refueling Wing.  The 99th Air Refueling Squadron works with, supports and flies the 117th Air Refueling Wing's Boeing KC-135R Stratotanker aircraft.
Answer: Franklin County