Canadian Flyers are a group of Canadian pilots who have been flying since the early 1900s. They are known for their skill and bravery in the air, and have been involved in many historic events such as the Battle of Britain and the D-Day landings. The term 'Canadian Fliers' is often used to refer to these brave pilots, and the crossword solution GEESE is a reference to the iconic Canadian Goose, which is a symbol of Canada and its aviation history.