On 17 June 1941 242 Squadron took part in Circus 14, a late afternoon attack by 23 Bristol Blenheim bombers on Lille in northern France, escorted by 19 Hurricanes and Supermarine Spitfires.
On 17 June 1941 242 Squadron took part in Circus 14. This was a late afternoon attack on Lille in northern France by 23 Bristol Blenheim bombers of 18,105 110 Squadrons escorted by 19 Hurricanes and Supermarine Spitfires.