Watch: Last British Dambuster - 'I'd do it again'published at 16:41 Greenwich Mean Time 17 January 2018
As the RAF reaches its centenary, the last surviving British Dambuster, Lincolnshire-born George "Johnny" Johnson, has shared his experiences with a younger recruit.
The famous raid, which flew from RAF Scampton in Lincolnshire on 17 May 1943, saw experimental bouncing bombs used to break two important dams deep within Nazi Germany.
Nineteen planes and 133 men took part in what was codenamed Operation Chastise, with eight planes lost and 53 crew killed: