42 Radar Squadron42 Radar Squadron is a unit of the Canadian Forces under the Royal Canadian Air Force. The squadron operates the AN/TPS-77 radar system from CFB Cold Lake in Alberta, Canada.WWW canada.ca/fr/force-aerien...History42 Aircraft Control and Warning Squadron of the Royal Canadian Air Force became operational in June 1955. The squadron was originally tasked with providing radar control to the CF-100s flying in the vicinity of RCAF Station Cold Lake. In October 1962, 42 AC&W Squadron as 42 Radar Squadron became part of the Semi-Automated Ground Environment system, as part of the 28th NORAD Region.