British Light Tanks Mk I to Mk VI

The Light Tank Mark I of 1930 was the first light tank to be ordered into production for the British Army, although only a very small number were produced, and the type was used for experiments and trials
The Light Tank Mark IA was the second light tank to be ordered by the British Army, and was a slightly improved version of the Mark I.
The Light Tank Mark II was the first light tank to be produced in significant numbers for the British Army, although only sixteen of the basic Mark II were produced, alongside 29 Mark IIAs and 21 Mark IIBs.
The Light Tank Mark IIA was the designation given to twenty nine Mark IIs built by the Royal Ordnance Factory at Woolwich during 1931.
The Light Tank Mark IIB was the designation given to twenty one Mark IIs built by Vickers-Armstrong during 1931.
The Light Tank Mark III was a slightly modified version of the Mark IIA, produced by the Royal Ordnance Factory at Woolwich.
The Light Tank Mark IV was the last two-man light tank to be produced for the British Army, and the first in which the armoured hull was used as the chassis
The Light Tank Mark V was the first three-man light tank to be produced for the British Army, after a series of two-man tanks.
The Light Tank Mark VI was the most numerically important light tank to see service with the British Army, with 1,682 produced in four versions between 1935 and 1940.