Pass issued to Barnes Wallis allowing him access to RAF Manston and to observe the trials of the UPKEEP mine at Reculver Bay, Kent. During this period seven tests were carried out at Reculver and two at nearby Broadstairs.

X001-2371/026
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