Dambusters

• H Searby, Guy Gibson and Squadron Leader P Ward-Hunt

  H Searby, Guy Gibson and Squadron Leader P Ward-Hunt

  Guy Gibson (centre) was posted on 21 March 1943 to command the newly-formed No. 617 Squadron RAF at Scampton, Lincolnshire

• Rehearsals at Reculver bombing range

  Rehearsals at Reculver bombing range

  617 Squadron practise dropping the 'Upkeep' weapon at Reculver bombing range. Dr Barnes Wallis is on the extreme left of the group.

• Operation Chastise

  Operation Chastise

  Wing Commander Guy Gibson (in door of aircraft) and his crew board their Avro Lancaster bomber for No. 617 Squadron's raid on the Ruhr Dams, 16 May 1943.

• Breach in the Mohne Dam

  Breach in the Mohne Dam

  Aerial reconnaissance (vertical) photograph showing the breach in the Mohne Dam caused by No 617 Squadron, Royal Air Force's raid on 16 May 1943.

• Morning of 17 May 1943

  Morning of 17 May 1943

  Surviving members of 617 Squadron (except those who had gone to bed) stand at the entrance of the Officers' Mess at Scampton, Lincolnshire, after breakfast