The Royal Flying Corps, which included many Canadian flyers, carried out aerial reconnaissance and photography of enemy positions leading up to the Battle of Vimy Ridge and provided artillery spotting before and during the battle. Several Canadian airmen were killed in the days before and after the battle. In this undated file photo, CF-100 Canucks fly over the Canadian War Memorial at Vimy Ridge in France. PHOTO: DND Archives,PCN-1392
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