Wilfred Greville Clouston was a New Zealander who joined the RAF in 1936 and by 1940 was a flight lieutenant on 19 Sqn. In the last days of May 1940 h shot down an He 111, a Bf 109, a Do 17 and two Ju 87. /in June he added another 109 and got a DFC. Flying a Spitfire experimentally fitted with two 20mm cannon, he destroyed a 109, a 110, a Do 17 and a Ju 88 during August and September. In 1942, when a wing commander, he was captured by the Japanese. His total score was 12.