On the night of 16-17 May 1943, the RAF's 617 Squadron carried out an audacious bombing raid attacking dams serving the Ruhr valley, leaving German factories and mines badly damaged.

Alfred Roy Ker, though not serving in 617 Sqn, was one of the thousands of young men that served as operational aircrew in Bomber squadrons during the course of the war.

Help us to commemorate the 80th anniversary of this daring raid, and all those that have served both past and present by sponsoring our cycle ride.