RAF FIGHTER COMMAND 1940 (HU 104504) The CO of No. 66 Squadron, Sqn Ldr Rupert Leigh, climbs into his Spitfire Mk I, R6800 LZ-N, at Gravesend, September 1940. Copyright: © IWM. Original Source: http://www.iwm.org.uk/collections/item/object/205230030