The Santerre Plateau on the Western Front of the Great War saw some of the war's bloodiest battles, including Verdun and the Somme.
Cambrai, like Amiens in this story, was a town in the highly contested territory in the Western Front of the Great War.
During the Great War, a pool of aviators was kept in Ayr, Scotland, and deployed from there to units in France like the Camel squadrons in this story.