After the original designer RJ Mitchell died in 1937, his successor Joe Smith developed the fighter to make it faster and more powerful. In 1940 Hitler sent 2,600 Luftwaffe fighters and bombers to ...
As noted by the BattleOfBritain1940 website: “Even with greater defensive firepower, the Do 17 proved vulnerable to RAF fighters and ... in service with the Luftwaffe for the remainder of ...