"The Hundred Days Offensive, August-november 1918" Battle of St Quentin Canal (Saint-Quentin). Prisoners with American escort (30th Division) resting in the foreground. In the background, four 8th Battalion, Tank Corps, Mark V Tanks with 'cribs' on their roofs. These were attached to the 5th Australian Division, Fourth Army Front, near Bellicourt, 29th September 1918.