built Airbus A330 Multi Role Tanker Transport aircraft (MRTT) and for the conversion of five used A330-200s in a quest to strengthen Canada’s continental defence capabilities. The current contract has an order value of approximately CAD $3 billion or 2.1€ billion (excluding taxes).

Known as the Strategic Tanker Transport Capability (STTC), this new fleet of aircraft will replace the aging CC-150 Polaris (A310 MRTT), operated by the Royal Canadian Air Force (RCAF). The existing A310 fleet is being used to perform air-to-air refueling (AAR) operations, as well as personnel and cargo airlift, medical evacuations, as well as strategic transport of Government of Canada officials.