High Quality Content by WIKIPEDIA articles! The Octave Chanute Aerospace Museum, the largest aviation museum in Illinois, occupies part of the grounds of the decommissioned Chanute Air Force Base in Rantoul, Illinois. It and the base were named for Octave Chanute, railroad engineer and aviation pioneer. The museum is dedicated to the life and works of Chanute, the former air base, the history of aviation in the state of Illinois, and hosts an annual air show.