Armed Forces; World War, 1914-1918; World War, 1914-1918; France; Verdun, Battle of, Verdun, France, 1916; Aisne, Battle of, Aisne, France 1917; Chemin des Dames, Battle of, Chemin des Dames, France 1917; Marne, Second Battle of, Marne, France 1918; Battles