"Winston Churchill uses a radio set in the turret of a Churchill Mk I tank during a demonstration at the Vauxhall plant at Luton, 23 May 1941." The Prime Minister Winston Churchill talks by wireless telephone from the turret of a Churchill I during a demonstration of the tank at Vauxhall's at Luton, England, on 23 May 1941. He wears a beret of the Royal Tank Regiment.