Naval Air Station Glenview or NAS Glenview was an operational U.S. Naval Air Station from 1923 to 1995. Located in Glenview, Illinois, a suburb of Chicago, the air base primarily operated training aircraft as well as seaplanes on nearby Lake Michigan during World War II. Reconfigured as a Naval Air Reserve base following World War II, NAS Glenview supported Naval Air Reserve, Marine Air Reserve/4th Marine Aircraft Wing, and U.S. Army Reserve 244th Aviation Group as well as an active duty Coast Guard Air Station.