No. 214 Squadron RAF (of No. 100 group based at RAF Oulton at Aylsham, England, United Kingdom), established in Nov 1943, flew the first operational sortie with their Fortress Mk. III (SD) aircraft. These were extensively modified B-17G aircraft fitted out with electronic countermeasures and radar jamming devices. This Squadron would fly more than 1,000 sorties up to May 1945 losing just eight aircraft on operations
