Cruiser Mk IV (left) and Light Tank Mk VIB (‘Athos’ of ‘A’ Squadron) of 3rd County of London Yeomanry, 1st Armoured Division, during an exercise at Arundel in Sussex, 5 February 1941.
The scout car in the background belongs to 22nd Armoured Brigade Headquarters.
© IWM (H 7028)
https://www.iwm.org.uk/collections/item/object/205197374
Even though this is relatively local to me, it took a while to track down the exact location.