 However, during the Dunkirk evacuation it operated a detachment from RAF Hawkinge, but in July it was transferred to RAF Aldergrove in Northern Ireland, where it remained throughout the Battle of Britain on defensive duties.In July 1941 it moved to RAF Ballyhalbert and remained there until September 1941, when it returned to England and began offensive sweeps.On 19 August 1942, the squadron took part in a preparatory attack as part of the Dieppe Raid.