Caption on the back reads: "Petawawa, Ont. ‐ A scene at the alien internment or concentration camp which is located near Petawawa. Behind the barbed wire barricades of military internment camps like this are hundreds of enemy aliens ‐ Nazi Germans ‐ who after investigation have been certified by the Minister of Justice as likely to be dangerous if left at large. These Nazi Germans will be kept in these camps for the duration of the war. Since the declaration of war Canada has established three internment camps all operated under the rules of a Geneva convention which regulates the treatment and care of war prisoners. this picture is from the forthcoming March of Time film, "Canada at War."