Comparing: Tetrarch vs. D1

Developed in 1936 by the Vickers-Armstrong company, with a total of 177 vehicles in two basic modifications the Tetrarch Mk I and the Tetrarch Mk ICS manufactured from 1941 through 1942. In 1942 twenty vehicles were delivered to the U.S.S.R. under Lend-Lease, of which 19 fought on the Eastern Front until October 1943.

Development was started in 1929. Mass production was launched in 1930, with 160 vehicles manufactured by 1935. A total of 152 tanks fought in France. Eighteen vehicles were captured by the German Army and used for training purposes.