Bryn Hammond is the Head of Collections at the Imperial War Museum, a Military Historian and author. His PhD thesis undertaken at the University of Birmingham was on 'The Theory and Practice of Tank - Other Arms Co-Operation on the Western Front, 1916-1918'. His first degree was in Medieval & Modern History.
IMAGE: An early model British Mark I "male" tank, named C-15, near Thiepval, 25 September 1916. The tank is probably in reserve for the Battle of Thiepval Ridgewhich began on 26 September. The tank is fitted with the wire "grenade shield" and steering tail, both features discarded in the next models.