In the early 1930s there was a general consensus, particularly among the bomber cadre that Giulio Douhet was right, and that the bomber would always get through to the target, no matter what. On the other side of this discussion were the fighter jocks, who KNEW that shooting down bombers would be simple, and that their superior aircraft, skill and airmanship would always overcome whatever stratagems and defenses the bomber barons could devise. The answer to these arguments was a compromise, a fighter with enough range to accompany the bombers and enough firepower to defeat the enemy fighters.
Most major air forces came to this conclusion also. The results were: