Tank F4 at the Tank Driving School during the special training for the Battle of Cambrai at Wailly, 21 October 1917. Over 400 tanks were gathered for that training.
Walking the Western Front
A Churchill tank of 79th Armoured Division uses a Churchill Ark to scale a sea wall during trials near Saxmundham, 11 March 1944. H36593 - PICRYL - Public Domain Media Search Engine Public Domain Search
Western Front (World War I) - New World Encyclopedia
Western Front, World War I, Definition, Battles, & Map
1918: spring offensive and advance to victory - 1918: Spring
The Western Front 1917 - 1918 (Hardback) – The Tank Museum
The British Army in North-west Europe 1944-45 BU3322 - PICRYL - Public Domain Media Search Engine Public Domain Image
Deutsche Panzer: German Tanks in World War I (1917-1918) – RZM
An M1-A2 Abrams tank is in a warehouse being upgraded - PICRYL - Public Domain Media Search Engine Public Domain Search
Warfare 1917-1918 (USA) International Encyclopedia of the First