The tail of an Air Canada Boeing 787-8 Dreamliner aircraft is seen at a hangar at the Toronto Pearson International Airport in Mississauga, Ont., on February 9, 2017. Air Canada has signed an agreement with Drone Delivery Canada Corp. to help market drone delivery services. Under the deal, Air Canada Cargo will market and sell drone delievery services across Canada, on routes where the company has regulatory approval. THE CANADIAN PRESS/Mark Blinch