"The crew of an A Squadron, 43rd Battalion, Royal Tank Regiment, 33rd Brigade, Churchill Mk II tank on the turret discussing plans of operations round a map".
IWM
Imperial War Museums : <a rel="nofollow" class="external free" href="https://www.iwm.org.uk/collections/item/object/205188288">https://www.iwm.org.uk/collections/item/object/205188288</a>