Boulton Paul Defiant

The Boulton Paul Defiant was a British fighter aircraft and bomber interceptor used early in the Second World War. The Defiant was designed and built by Boulton Paul Aircraft as a "turret fighter" and served with the Royal Air Force. Contemporary with the Royal Navy's Blackburn Roc, the concept of a turret fighter was somewhat similar to the First World War-era Bristol Fighter. In practice, the Defiant was found to be vulnerable to the Luftwaffe's more agile, single-seat Messerschmitt Bf 109 fi ...