Receiving the Defense Secretary's approval on 21 July, the Air Force directed the Corps of Engineers to proceed with construction.

As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.

During 1960 Calumet AFS joined the Semi Automatic Ground Environment (SAGE) system, feeding data to DC-14 at K. I. Sawyer AFB, Michigan.

In addition to the main facility, Calumet operated the following AN/FPS-18 Gap Filler sites: The 665th Radar Sq was inactivated[1] and replaced by the 665th Air Defense Group in March 1970.

In August 2021 a group of Michigan Technological University alumni purchased the facility and surrounding land with plans to remediate environmental issues and development into a tourist destination.

[4] This article incorporates public domain material from the Air Force Historical Research Agency Further reading