IWM caption : Wing Commander G J "Chopper" Grindell (centre), Commanding Officer of No. 487 Squadron RNZAF, standing with his two flight commanders in front of a Lockheed Ventura at Methwold, Norfolk. On his left is the 'A' Flight commander, Squadron Leader T Turnbull, and on his right is the commander of 'B' Flight, Squadron Leader L H Trent, who, on 3 May 1943 led the Squadron in a disastrous daylight attack on the power station at Amsterdam. Ten of the eleven aircraft participating were shot down, including that of Trent who was captured. In 1945 he was awarded the Victoria Cross when the story of his outstanding leadership and determination during the raid became known.