A British-Chinese soldiers of CLC repairing British Mark IV tank engines, Teneur in France 1918

A British-Chinese soldiers of the Chinese Labour Corps repairing
British Mark IV tank engines at the Central Workshop, Teneur in France.

The British Mark IV, the most produced British tank of World War I, was the mainstay of the Tank Corps during the crucial 1918 offensives.

In April 1918, a Mark IV achieved the world's first tank-versus-tank victory when it knocked out a German A7V near Villers-Bretonneux