Canada negotiating purchase of aerial surveillance system with Swedes instead of American competitor  CTV NewsOttawa picks Sweden’s Saab early-warning aircraft tech over U.S. contenders  The Globe and MailCanada will buy surveillance plane from Sweden’s Saab, Carney says  Global NewsCanada to buy Swedish early warning planes rather than US model  ReutersBombardier Statement on Government of Canada Intention Regarding New Airborne Early Warning & Control Fleet  Toronto Star