A menu from the celebratory dinner hosted by A.V. Roe & Co. Ltd. at the Hungaria Restaurant on 22 June 1943. The menu is signed by 19 members of 617 Squadron including Guy Gibson twice. Note the title!

To commemorate the 65th anniversary of the "Dambusters" Raid the Royal Air Force Museum in conjunction with the Newsdesk Media Group has produced a new book "Breaching The German Dams - Flying into History" which uncovers elements of hidden history crucial to the success of 617 Squadron's attack on the German Dams in May 1943. To order your copy go to the Museum Shop.
RAF Museum Shop