On July 25th our defences accounted for 28 German raiders, with the loss of only five of our fighters, and this was no isolated achievement: on July 11 we brought down 23; the next best was 21 shot down on July 20. On July 29 the enemy made a fierce attack on Dover, losing seventeen planes in the short space of half an hour. Since the first mass raids on Britain (June 18) 249 Nazi aircraft had been destroyed up to July 29, an average of nearly six a day. August 1940
