If you don't have time to properly aim at close range use your middle finger on the trigger and index finger alongside the barrel to point at target. He also includes the "cup & saucer" grip for good measure. No wonder they lost.
They lost for alot of reasons. But I am curious about the middle finger aiming thing....
US had massive advantages in WW-II when it came to guns... (most Americans had/grew up around guns during the WW-II era.