C Company, Section 4, Heavy Section Machine Gun Corps (HSMGC) . On 15th September 1916. Like many other tanks, it broke down. It was repaired by the afternoon and tried to catch up with the advancing units. It had to be abandoned on the battlefield on 16th November 1916 after it ditched and could not get out.

"Somme" Battle - 15 Septmber 1916.