Authors: Michael Gannon
Professor Patrick M. S. Blackett.
Lotte Meitner-Graf
Squadron Leader Humphrey de Verde “Sammy” Leigh, inventor and developer of the airborne Leigh searchlight.
Imperial War Museum
A Leigh Light fitted to the wing of a Coastal Command Liberator.
Imperial War Museum
On 14 May, PBY-5A “K” of the U.S. Navy VP-84 Squadron from Fleet Air Base in Iceland dropped this Top Secret Mark XXIV Mine (acoustic homing torpedo) on a diving U-boat in 6o°10'N, 31°52'W. The drop was made from
220
feet. The torpedo failed to find its target.
Imperial War Museum
On 15 May, Wing Commander Wilfrid Oulton, flying Halifax “M” of 58 Squadron, dropped six depth charges on U
-266
(Kptlt. Ralf von Jessen), the most successful U-boat in the Battle for ONS.5. The boat sank by the stern, the bows completely vertical, as shown here in a mirror photograph that also shows the aircraft’s tail wheel.
Imperial War Museum