27434443

AVRO 683 LANCASTER. (ATP 11384B) Type 464 (Provisioning) Lancaster, ED825/G, at Boscombe Down, Wiltshire, during handling trials with the Aeroplane and Armament Experimental Establishment. One of some twenty aircraft specially built to carry the ‘Upkeep’ weapon on Operation CHASTISE, ED825/G was delivered to No 617 Squadron RAF at Scampton as a spare aircraft on 15 May 1943, but was subsequently flown on the raid by Flight Lieut… Copyright: © IWM. Original Source: http://www.iwm.org.uk/collections/item/object/205125316
http://charlesmccain.com/2017/11/astounding-courage-dambusters-breach-critical-german-dams/