K. I. Sawyer Air Force Base, Gwinn, MI (1954)
Built as K.I. Sawyer airport (1948) → K. I. Sawyer Air Force Base (1954) → Closed (1995) Reverted to public airport.
Built by: U.S. Air Force
Military Use: U.S. Air Defence Command, 473rd Fighter Group.
Received rail service from the Chicago & Northwestern line from Escanaba to Negaunee.