This sparked rumours and speculation among the local inhabitants, including one that the RCAF was building air defence weapons in a huge underground hangar.

At the same time, 1 AC&W Squadron was re-designated 1 Air Defence Control Centre and remained as such until its disbandment, as the Montreal NORAD Sector, on 15 September 1962.

The station terminated manual operations on 15 September 1962 when it was SAGE capable, and began to report to the Bangor Sector at Topsham AFS, Maine.

The aircraft would leave the Cartierville Airport and proceed to the testing area under positive control of Lac St. Denis.

In March 1972, CFS Lac St. Denis became a detachment of the North Bay-based Air Weapons Control and Countermeasures School (AWC&CS).

The old concrete shell, graffiti-covered and in desolate state after fires and water infiltration, is often visited by paintball and Airsoft enthusiasts.