Working around the clock and in all weather conditions the ground crew knew from the size of the bombs they were loading, this was going to be a very special operation for the Lancaster crews of 9 Squadron. Brainchild of Barnes Wallis, The "Tallboy" bomb weighed in at an impressive 12,000Ib. On this occasion in November 1944 the crews and aircraft are being readied for departure to Lossiemouth or Kinloss on route to sink the “Tirpitz” laying at anchor near Tromso in Norway.
Signed by a pilot, flight engineer, bomb aimer and a wireless operator/air gunner. All from 9 Squadron.