Zeroing Day

1942:

taken from this more comprehensive film:

Today:

I guess yelling at recruits 25 meters away with a mug of coffee is considered "coaching"...

Gunnery/Musketry

1935:
https://www.youtube.com/watch?v=gKc-qyql19g

1944:

1960s

What machine gun gunnery is supposed to look like.

Today:

Who needs sights anyway?

However, this 1971 classic remains my favorite official Army training film of all time.

SHARP was invented after 1971, obviously...