Prior to becoming a Canadian Forces Station in1967, the station was known as 47 Radar Squadron Gypsumville. In early 1969, the station was operationally phased into the BUIC II program. Also that year Pineimuta International Airport (as it was dubbed) was constructed at the station. This arrangement was better than blocking off a portion of the gravel Highway 6 that separated the domestic from the operations site. The local government District of Grahamdale is still using the 2,700 by 45 foot gravel runway today as a municipal airport.
Gypsumville initially served the 23rd NORAD Sector at Duluth, then transferred to the 24th NORAD at Malmstrom in December 1969. In August 1984, the radar site number changed to R-26 to reflect its association with the Canada West ROCC. At the end of December 1986, the height finder was shut down for good, followed the search radar in March 1987 and the station was closed out by 17 July, 1987. The height finder had been part of the former CFS Falconbridge radar site.
One other unit that had its origins at Gypsumville was 733 Communications Detachment. The unit was originally formed as part of 47 Radar Squadron. A portion of No. 3 Communications unit was re-designated 733 Communications Squadron in April 1965 and took over functional control of 47 Radar Squadron. The historical role of Gypsumville is perpetuated through a FPS-507A Height-Finder, officially dedicated as a Radar Monument on 19 September 1986.
--The NBC Group - Don Nicks, John Bradley, Chris Charland.