Soldiers launched potatoes, plates and fruit at a sergeant major during an epic food fight.
Footage shows more than 100 troops from the Royal Tank Regiment firing their food at the Non-Commissioned Officer on Monday.
They were celebrating the anniversary of the Battle of Cambrai in 1917, which involved the first large-scale use of massed tanks in conflict.
British forces attacked German lines in northern France with 476 distinctive Mark IV tanks.
The regiment continues to commemorate the battle to this day.
It marked a turning point in military tactics, and fully revealed the attacking potential of tanks.
The soldiers were served ‘gunfire’ cocktails of black tea and rum by their commanders.
They were then later served lunch, when the food fight erupted.
It was filmed and put on social media site Fill Your Boots.
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