Official photograph showing a 6-inch Mark VII gun of the Royal Garrison Artillery in action near Hedauville, Somme, during the German Offensive Battle of Rosières (Operation Michael). Taken by 2/Lt David McLellan on the 26th March 1918. The gunners can be seen in action as the huge gun points towards a ridge line.

From a collection of 20 official photographs of Front Line related activity from World War One (1914-1918). From the collection of the Christopherson family.