Australian soldiers in Singapore dig defences plus scenes of destruction after Japanese raids.
German prisoners of war dig trench.
British infantry digging trenches behind smoke screen.
Footage of French soldiers on the Western Front with General Gamelin.
British and French troops working together in France at the start of the war in 1939.
Men of the Royal Engineers show off skills at crossing rivers and blowing things up.
General Post Office workers show off new equipment to help them in their job. Bletchley.