"Airbus CC-150 Polaris Second-hand Airbus A310 transports purchased in 1992 for use as a strategic transports and air-to-air tankers to replace the Boeing CC-137. Two have been converted to tankers and are designated the CC-150T. One is permanently configured for VIP transport; five aircraft operated by 437 Squadron based at 8 Wing Trenton, Ontario." https://en.wikipedia.org/wiki/Royal_Canadian_Air_Force
