From muddy trenches to steel beasts and sky bombers, these cross sections reveal the hidden worlds inside WW1’s most iconic ...

In WW1 tank occupants would need to get out to have a brew, which was a very bad idea. Submarines WW1 was the first time that submarines were effectively used.

The six-tonne tank, installed in the LeBreton Gallery, was among about 250 M1917s acquired from the United States as “scrap metal” in 1940 by Canadian Colonel F.F. Worthington.

David Willey, curator of the Tank Museum, said: “Bert was one of the characters we focused on in our exhibition to mark the 100th anniversary of the first tanks.

WWI birthed many unusual war machines, such as the colossal Russian Tsar Tank. This failed experiment was one of the largest tanks in history.

More than 20,000 people attended Tankfest 2017 at the end of June to see everything from an original WWI French tank to the very latest British tank, the Challenger II, in action.

He is one of the most decorated soldiers celebrated in the Tank Museum’s WW1 exhibition: Tank Men. The display follows the stories of eight men through WW1 and beyond.