formation, this had caused the collision. Despite the incident, he was Gazetted on 13 May and given temporary command of the squadron while Dutton was injured. While at 452 Finucane became a popular commander and encouraged a more relaxed atmosphere, which he believed would help him get more out of the Australian pilots. He was now in command of 23 pilots, 16 fighters and 130 ground crew. The squadron re-equipped with Mk. II's in May 1941 and Finucane was assigned serial P8038, formerly of No. 303 Squadron RAF, on 21 May. It was the first of four Spitfires to carry the Shamrock emblem as his personal insignia. Jimmy Firth, his airframe rigger and 'Speedy' Moore, a Canadian engine fitter, were attempting to put an outline of the design on. Poorly done, it attracted the attention of Maurice Pownhall a professional in Lithography. Using green dope he completed the emblem on the forward left part of the cockpit fairing panel. Finucane approved and the Shamrock stayed. On 11 July 1941 Fighter Command conducted Circus Number 44. 12 Group flew as the lower echelon with Spitfire squadrons 452, 65 and 266. Two 11 Group wings from RAF Biggin Hill encompassing 72, 92 and 609 Squadrons and the incomplete RAF Kenley wing with 485 and 602. There was so much competition in the squadron to fly on its first Circus operation that Finucane had to draw lots. The squadron re-fuelled at West Malling after staging down to the coast through England. Flying as the middle-squadron at 18,000 ft Finucane's flight crossed the coast east of Dunkirk at 14:45 GMT. Over Poperinghe the wing split into four groups and headed to Cassel. The sole charge was a Bristol Blenheim of No. 60 Group RAF which was to act as a decoy. Five miles west of Lille at 15:00 GMT they were engaged by elements of Jagdgeschwader 2 and JG 26. Finucane engaged 8 Bf 109s and other units engaged three flights of 10 Bf 109s in total. Finucane was able to position himself behind a straggler after firing 90 rounds the Bf 109 was hit and the pilot bailed out. Fighter Command claimed seven destroyed, two probably destroyed and seven damaged for three Spitfires. Circus 45 took place 40 minutes later. Finucane's success was the first victory for the squadron. Kenley Wing On 21 July 452 was moved to Kenley on a plateau near