Men working in a Royal Air Force bomb store, 12 November 1941. 'X' men of the RAF. 40,000 lb bombs about to the leave the dump for an aerodrome. This picture...shows some of the early-type 'blockbusters' being made ready in an underground store-room for their first and last trip to Germany'. RAF explosives officers were known as 'X' men.
© NMeM / Daily Herald Archive / Science & Society Picture Library