At the outbreak of World War II ... Britain broke out on July 10, 1940, Spitfires accounted for 370 of the 2,000 aircraft in the RAF. Equipped with up to eight .303-inch Browning machine guns ...

According to most historical records and accounts, World War II ... aircraft became stronger, faster, and more evasive. Armored vehicles became heavier, with thicker armor. And guns became more ...

Anti-aircraft guns were also built to try to limit the potential damage the German bombers could cause. It became clear that Britain ... the war effort. Learning from the lessons of World War ...